Jobs in United Kingdom

Systems Architect in United Kingdom

181 active opportunities · Updated October 2026

Explore current systems architect jobs across United Kingdom. Filter by work mode, employment type, experience, department, date posted and distance.

S
📍 United Kingdom· Full-time
✓ High-confidence listingCompany trend -97.1%

From $400K/yr

Quick readStrong listing-quality and freshness signals

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. Observe by Snowflake brings AI-native observability to the Snowflake AI Data Cloud helping engineering and data teams debug, optimize, and understand systems operating at massive scale. Modern systems don’t break at GB/day they break at TB/day. Traditional, index-based observability tools weren’t built for this world. Observe by Snowflake unifies telemetry and business data, applies AI to connect context automatically, and reduces time to resolution from hours to minutes. We’re entering the next phase of growth: scaling to $1B in the next 5 years. We’ve moved successfully upmarket into complex enterprise deals, larger ACVs, and strategic customer relationships. This is a high-impact role for a seller who wants to operate at the intersection of AI, data infrastructure, and modern engineering and help define a new category. WHAT YOU’LL DO Own full-cycle enterprise sales, from self-sourced pipeline through close Build and convert pipeline in a high-velocity, high-ACV environment (now ~$400K+ enterprise deals) Lead technical, consultative conversations around AI-driven observability and data strategy Sell into engineering, SRE, and data leaders solving problems at TB-scale Drive $500K plus land-and-expand motions with multi-million dollar growth potential Work cross-functionall

TI
📍 Manchester, United Kingdom
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About THG Ingenuity THG Ingenuity is a fully integrated digital commerce ecosystem, designed to power brands without limits. Our global end-to-end tech platform is comprised of three products: THG Commerce, THG Studios, THG Fulfilment. Each represents a single, unified solution, overcoming challenges and taking brands direct-to-consumer. Our client portfolio includes globally recognised brands such as Coca-Cola, Nestle, Elemis, Homebase, and Proctor & Gamble. About the Role As Maintenance Lead, you’ll play a central role in keeping our fulfilment operation running safely, efficiently and reliably. Working closely with the Engineering and Facilities Site Manager, you’ll lead the site’s planned and reactive maintenance activity while shaping the technical agenda and building a culture of continuous improvement. This is a high-impact leadership role for an experienced engineer who enjoys balancing the demands of a fast-moving operation with the opportunity to develop long-term reliability strategies. You’ll use modern maintenance systems and techniques to improve equipment availability, reduce recurring failures and help our engineering teams perform at their best. What you’ll be doing Support the development and delivery of the site’s maintenance strategy. Lead a reliability-focused approach using TPM, RCA, RCM and FMEA. Deliver monthly improvement plans that increase equipment reliability and availability. Use CMMS data and failure analysis to identify root causes and deliver lasting solutions. Coordinate the response to live plant issues, ensuring risks are managed and actions are followed through. Own effective weekly and monthly maintenance planning, including preventative maintenance compliance and backlog management. Monitor, analyse and report weekly and monthly KPIs, ensuring results are shared with key stakeholders. Coordinate planned maintenance outages and engineer

AuditingRecruitment
W
📍 London, England, United Kingdom· Full-time· Remote
✓ High-confidence listingCompany trend +37.5%
Quick readStrong listing-quality and freshness signals

🚀 About WRITER WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transformation. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Valued at $1.9B and backed by industry-leading investors including Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is rapidly cementing its position as the leader in enterprise generative AI. Founded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. 📐 About the role Join WRITER's security team as a staff detection and response engineer and help protect the AI infrastructure that's transforming how the world works. You'll build sophisticated detection systems that identify attacks targeting our AI platform, training data, and model deployments while creating automated response capabilities that scale with our explosive growth. This isn't just traditional security work – you're defending cutting-edge AI/AGI systems against adversaries who are evolving their tactics as fast as AI itself advances. This role combines hands-on security engineering with strategic thinking to stay ahead of novel threats that don't exist in textbooks yet. You'll be the operational arm of our security function, translating threat intelligence into real-time detections, coordinating incident response across multiple teams, and hunting for sophisticated attacks across GPU clusters and distributed training environments. If you're excited by the challen

W
📍 London, England, United Kingdom· Full-time· Remote
✓ High-confidence listingCompany trend +37.5%
Quick readStrong listing-quality and freshness signals

🚀 About WRITER WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transformation. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Valued at $1.9B and backed by industry-leading investors including Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is rapidly cementing its position as the leader in enterprise generative AI. Founded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. 📐 About the role We’re seeking a highly skilled fullstack software engineer to join our engineering team building advanced AI-driven agent systems that execute autonomous workflows, orchestrate multi-step tasks, and extend human capacity across enterprise applications. In this role, you’ll play a key part in designing, building, and scaling next-generation AI agents that integrate with enterprise data and services to solve real-world problems. You will collaborate with cross-functional teams to turn complex agent concepts into production-ready systems. 🦸🏻‍♀️ What you'll do Design, implement, and maintain scalable, secure agent-driven services and systems that autonomously accomplish tasks using modern AI frameworks. Develop and enhance robust infrastructure and high-throughput APIs, focusing on core agent capabilities such as memory, communication channels, skills, intelligent decision logic, security and workflow management. Integrate agent capabilities with backend services

TypeScriptPythonReactAWS
TI
📍 Manchester, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About THG Ingenuity THG Ingenuity is a fully integrated digital commerce ecosystem, designed to power brands without limits. Our global end-to-end tech platform is comprised of three products: THG Commerce, THG Studios, THG Fulfilment. Each represents a single, unified solution, overcoming challenges and taking brands direct-to-consumer. Our client portfolio includes globally recognised brands such as Coca-Cola, Nestle, Elemis, Homebase, and Proctor & Gamble. About the People Team and the role The People Team supports the full employee journey at THG Ingenuity, from attracting and welcoming new colleagues through to development, payroll, employee relations and leaving the business. As an Apprentice People Services Assistant, you will join our People Services team and gain practical experience across a wide range of people administration activities. You will work closely with experienced colleagues, managers and employees, developing your knowledge of HR systems, processes and employment practices while completing your apprenticeship. This is an excellent opportunity for someone who is organised, approachable and keen to build a career in HR. As an Apprentice People Services Assistant, you will: Support the People Services team with day-to-day HR administration. Help collect and check new starter information and documentation. Support the onboarding and induction process for new employees. Maintain accurate electronic employee records and personnel files. Assist with monitoring probation periods and preparing relevant reports. Help respond to general queries from managers and employees, escalating more complex questions when needed. Support the leaver process, ensuring information is recorded accurately and on time. Assist with preparing resignation confirmations and other employee correspondence. Support the preparation of change of terms letters, ensuring information is accurate and approved. Update the HR system to reflect changes to

GitRestAIGo
TI
📍 Northwich, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About THG Ingenuity THG Ingenuity is a fully integrated digital commerce ecosystem, designed to power brands without limits. Our global end-to-end tech platform is comprised of three products: THG Commerce, THG Studios, THG Fulfilment. Each represents a single, unified solution, overcoming challenges and taking brands direct-to-consumer. Our client portfolio includes globally recognised brands such as Coca-Cola, Nestle, Elemis, Homebase, and Proctor & Gamble. What’s the role? Job Title: CX Apprentice - Data Reports to: CX Analytics and Performance Director Apprenticeship: Data Analyst Level 4 Duration: 12-18 months, subject to learner progress + End Point Assessment Role Purpose To support the Customer Service department in turning core operational data into clear, actionable insight — covering everything from divisional headcount and budgets through to CS performance metrics, carrier claims and returns — helping the business understand performance and identify where the customer experience can be improved. Key Responsibilities Support core CS operational performance reporting across the department, including divisional headcount, budgets and key performance metrics such as CSAT and APH. Collect, clean and validate data from multiple internal and external sources across CX/CS operations, including carrier claims, returns (e.g. ZigZag), post-dispatch communications and customer contact systems. Build and maintain dashboards and reports (e.g. Power BI) tracking department-wide CS metrics, from workforce and budget data to claims and returns performance. Write and run SQL queries to extract and manipulate data from relational databases in support of departmental reporting. Identify trends and patterns across headcount, budget, claims, returns and delivery data, flagging root causes and opportunities for improvement. Support CS leadership and wider teams with ad hoc analysis to inform decision-making, resourcing

SQLGitRestAI
TI
📍 Warrington, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About THG Ingenuity THG Ingenuity is a fully integrated digital commerce ecosystem, designed to power brands without limits. Our global end-to-end tech platform is comprised of three products: THG Commerce, THG Studios, THG Fulfilment. Each represents a single, unified solution, overcoming challenges and taking brands direct-to-consumer. Our client portfolio includes globally recognised brands such as Coca-Cola, Nestle, Elemis, Homebase, and Proctor & Gamble. Google x THG Warehouse – Transport Coordinator Based at THG Omega , this role will be responsible for ensuring the successful execution of the operation between the THG Operations teams and the Transportation 3PLs (Carriers) and keeping accurate records of all products shipped. This role will also support cross-functional duties as described below. The main objective of this role is to be a one stop shop and coordinate the day to day execution of Inbound, warehouse processing, and outbound activities across all channels, engaging with THG, Carrier and Google Teams cross-functional teams to ensure a smooth operation. B2B Outbound Coordination Manage K&N OOR by coordinating daily pickups. ● This role will serve as a primary point of contact for the daily operations of THG B2B Outbound Operation and the relationship with Transportation carriers [KN]. This role will be the principle point of contact between K&N,THG B2B Ops and Warehouse Teams. ● Ensuring the OOR is up to date and trouble shoot any discrepancies between it and THG systems ● Whilst manually operating the execution of Google B2B Operations, this role will coordinate the daily coordination of pickup of goods from THG, including monitoring the accuracy of the data flow and physical handover of goods. ● Ensure system documents match physical orders and are correctly uploa

GitAIGoWarehouse
PG
📍 Bristol, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. Join us and be a member of the team that tests the development tools used to create every PlayStation® game. This is a great opportunity to continue a career in Software Testing, working on industry leading development tools and being mentored by experts in their field. What you’ll be doing Developing tests for new applications, new features and regressions. Developing test strategies with application teams. Automating tests as part of our continuous integration systems. Investigating issues and creating reproducible test cases. Conducting manual, exploratory testing. Reporting test results clearly (including performance and coverage). Developing tooling to help reduce test time and ease test execution. Make suggestions and recommendations for improvements to help shape the finished product. Collaborate with global, cross-functional teams in a multicultural environment to develop organisation-wide test strategies and infrastructure. Mentoring peers, sharing best practices, and influencing quality engineering approaches. What we are looking for 5+ years experience in developing tests for software applications. Experience of automating tests. A good understanding of software testing techniques. Good C# programming skills. Understanding of C++. Experience in triaging

PythonLinuxRestAI
DC
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Agents have changed the game for software delivery and efficacy. Diligent is the leading GRC platform in the world, and we are racing ahead to take the agents show on the road and work with the customers where they work . The FDE function will lead the change on how we embed AI agents into some of the world’s most complex governance, risk and compliance environments. This is not a support or consultancy role. It is a builder role, for someone who is equally comfortable reading a failing agent trace, running a discovery workshop with a bank’s internal audit team, and translating what they find into a production-grade agentic solution. You will be building AI agents for GRC professionals , not assistants that surface suggestions, but agents that own complex, multi-step workflows end to end . Agents that customers can hand a task to and trust it will come back done. Closing the gap between a promising prototype and something a company Board and ELT depends on is a completely . Here’s a breakdown of what you’ll do Embed directly with major enterprise customers (global banks, regulated corporates) across EU and US ; sitting wi th internal audit teams, risk functions, compliance and governance professionals to understand their real workflows and devise agentic solutions to intelligently automate them creating tremendous efficacy and efficiencies for our customers. Run agent-focused discovery workshops, rapidly prototype agentic solutions, and test them with practitioners; distinguishing between workflows that need an agent and those that need a button. Source, integrate, and move data between enterprise systems as part of live customer implementations — understanding the real data landscape customers operate in and building reliable pipelines to support it . Take agents from prototype t

TypeScriptPythonAWSGit
DC
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Position Overview We are seeking a transformative Senior Director, Talent Acquisition to lead the overall recruiting function and deliver a high-impact, modern, and scalable hiring experience across the organization. In this role, the successful candidate will partner closely with senior business leaders and HR stakeholders to align hiring priorities, shape workforce plans, and support business growth through innovative, data-driven talent strategies. This leader will oversee end-to-end recruitment strategy and operations, guide team performance, and drive process improvements that strengthen hiring outcomes, scalability, speed, and quality of hire. A key focus of the role will be leading the successful implementation and optimization of Workday Recruiting and related processes, while advancing the use of AI-enabled recruiting tools, automation, talent intelligence, and analytics to improve sourcing effectiveness, decision quality, operational efficiency, and candidate experience. The ideal candidate is an AI-forward talent acquisition leader who brings strong leadership, stakeholder management, strategic thinking, and communication skills, along with deep expertise in recruiting operations, team development, talent analytics, recruiting technology, and enterprise process transformation. They will bring experience leading large-scale systems and process change, including Workday implementation or optimization, as well as a thoughtful approach to the responsible use of AI and technology across the hiring lifecycle. They will also bring a fresh and creative approach to attracting top talent and play a key role in advancing and strengthening our employer brand in the market. Key Responsibilities Lead the global Talent Acquisition function across a broad team or portfolio, with accountability for recruiting strategy, delivery, team capability, technology adoption, and performance against hiring goals. Partner closely with senior business leaders, HR

AWSGitAIGo
G
📍 Cambridge, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About Graphcore At Graphcore, we’re building the future of AI compute. We’re a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack - from silicon and software to infrastructure at datacenter scale. As part of the SoftBank Group, backed by significant long-term investment, we are delivering key technology into the fast-growing SoftBank AI ecosystem.To meet the vast and exciting AI opportunity, Graphcore is expanding its teams around the world.We are bringing together the brightest minds to solve the toughest problems, in a place where everyone has the opportunity to make an impact on the company, our products and the future of artificial intelligence . Job Summary Join our dynamic Software Infrastructure team and take a pivotal role in scaling and managing our infrastructure. You will develop essential tools and services that empower our broader software team. Your contributions will enhance the build, test, deployment, and productisation processes of our Machine Learning Software components. Work with our High-Performance Computing (HPC) AI platforms and gain invaluable experience in distributed systems The Team The Software Infrastructure team provides critical platforms and services for software development teams across the business. Our responsibilities include managing the CI platform and services, build engineering, component integration, and packaging and release systems. We operate in squads, fostering a culture of service ownership and empowerment for our engineers. We focus on long-term engineering solutions and strive to eliminate toil wherever possible. Responsibilities and Duties Develop, own, and maintain tools and services to support AI research and engineering teams Deploy and maintain services with Kubernetes and Docker Manage our Cloud Infrastructure using tools such as Terraform Candidate Profile Essential:

PythonJavaAWSDocker
W
📍 London, England, United Kingdom· Full-time· Remote
✓ High-confidence listingCompany trend +37.5%
Quick readStrong listing-quality and freshness signals

🚀 About WRITER WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence. And we're proving it's possible – through powerful, trustworthy AI that unites IT and business teams together to unlock enterprise-wide transformation. With WRITER's end-to-end platform, hundreds of companies like Mars, Marriott, Uber, and Vanguard are building and deploying AI agents that are grounded in their company's data and fueled by WRITER's enterprise-grade LLMs. Valued at $1.9B and backed by industry-leading investors including Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is rapidly cementing its position as the leader in enterprise generative AI. Founded in 2020 with office hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London, our team thinks big and moves fast, and we're looking for smart, hardworking builders and scalers to join us on our journey to create a better future of work with AI. 📐 About the role Join WRITER's security team as a staff detection and response engineer and help protect the AI infrastructure that's transforming how the world works. You'll build sophisticated detection systems that identify attacks targeting our AI platform, training data, and model deployments while creating automated response capabilities that scale with our explosive growth. This isn't just traditional security work – you're defending cutting-edge AI/AGI systems against adversaries who are evolving their tactics as fast as AI itself advances. This role combines hands-on security engineering with strategic thinking to stay ahead of novel threats that don't exist in textbooks yet. You'll be the operational arm of our security function, translating threat intelligence into real-time detections, coordinating incident response across multiple teams, and hunting for sophisticated attacks across GPU clusters and distributed training environments. If you're excited by the challen

PythonAIGoRust
N
📍 Remote, United Kingdom· Remote
✓ Quality checkedCompany trend -100%

We are seeking a highly technical and strategic Developer Relations Manager to join our team, with a focus on engaging developer ecosystems across emerging technology domains. In this pivotal role, you will work directly with software solution providers, developers, and industry professionals to foster the adoption of NVIDIA’s advanced AI and computing platforms. The ideal candidate brings a blend of deep technical expertise and commercial go-to-market experience, combined with a passion for developer advocacy and a talent for communicating how NVIDIA technology can solve complex, real-world challenges. NVIDIA is seeking a senior Developer Relations leader to accelerate the integration of NVIDIA technologies across the Energy & Utilities ecosystem in EMEA. This role will focus primarily on the electric power and utilities industry , working with leading software vendors, technology partners, utilities, engineering companies, and energy infrastructure providers to help integrate NVIDIA accelerated computing, AI, simulation, digital twin, and edge technologies into industry software platforms and solutions. The ideal candidate combines strong energy industry domain expertise , technical depth, partner engagement experience, and the ability to identify and develop strategic opportunities with Independent Software Vendors (ISVs). Approximately 80% of the role will focus on utilities, electrical power systems, grid software and related ISVs , with approximately 20% supporting Oil & Gas and adjacent energy applications . What You'll

N
📍 Remote, United Kingdom· Remote
✓ Quality checkedCompany trend -100%

We are seeking a highly technical and strategic Account Manager, Developer Relations to join our team, with a focus on engaging software companies and developer ecosystems across emerging technology domains. In this pivotal role, you will work directly with a small, strategic set of software solution providers (and their developers) to champion the adoption of NVIDIA’s advanced AI and computing platforms. Your mission is to partner with software companies to build AI agent-powered tools and integrate AI into their products making use of the NVIDIA platform, including open models and software frameworks and libraries. The ideal candidate brings a blend of deep technical expertise, experience in technical account management, and combines these with a passion for developer advocacy, business development and a talent for communicating how NVIDIA technology can solve complex, real-world challenges. What You'll Be Doing Establish relationships (both technical and business) at every level with a small set of strategic, regionally important software companies, and develop and implement a strategy to integrate the NVIDIA platform into these company’s products. Develop and maintain deep technical expertise in agentic AI systems, open models, data science applications, and GPU-accelerated computing. Serve as the trusted technical advisor, problem solver, and champion for the developers within the software companies you support, collaborating with cross-functional partners to drive adoption of NVIDIA technologies. Accelerate critical software company workloads by demonstrating and integrating the NVIDIA software stack (tools, libraries, SDKs, open models, NIMs, and blueprints) into partner products, platforms, and pipelines. Guide partners through onboarding and integrati

P
📍 London, England, United Kingdom
✓ Quality checked

ABOUT THE ROLE We are seeking a highly organized, proactive, and detail-oriented Coordinator, International Events to join our team. In this role, you will support the planning, coordination, and physical execution of our international live events roadmap across active markets. Sitting at the intersection of event operations, member engagement, and brand execution, you will partner closely with the Senior Manager to bring high-impact global activations to life. Reporting directly to the Senior Manager, International Events, you will own essential operational workflows from building event web pages and managing ticketing platforms to tracking expenses, handling vendor logistics, and supporting on-site execution. If you thrive in a fast-paced environment, love bringing brand experiences to life, and take proactive ownership of your work, this role is for you. YOUR DAILY IMPACT AT PELOTON Assist across all phases of event planning and execution, including venue sourcing, vendor coordination, resource management, AV technicians and other suppliers Build and manage event web pages, workflows, and guest management systems (RSVP/ticketing platforms) across multiple teams Serve as the primary point of contact for member inquiries, managing event-related communication channels (pre and post event) and delivering top-tier customer service to our community Develop, update, and maintain detailed event timelines and detailed run-of-show schedules and operational documentation to ensure cross-functional alignment and on-time delivery Oversee event registration workflows and attendee record-keeping, ensuring clear communication and smooth access for VIPs, media, and general guest and members Provide hands-on, on-site support during activations - managing setup, assisting staff, overseeing guest check-in, troubleshooting live issues, and ensuring a seamless experience for members and attendees Assist in tracking line-item expenses, processing vendor invoices, and providing regular

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