Security Officers Jobs

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com . Reddit's Transport and Site Defense teams build and operate foundational infrastructure behind one of the largest sites in the world. These teams own how requests enter Reddit, how services discover and talk to each other, how traffic moves across clusters and clouds, and how Reddit protects itself from DDoS attacks, scrapers, bots, and other undesired traffic. We are looking for a Staff Software Engineer to join the Site Defense team within Reddit’s Infrastructure organization. Site Defense is responsible for protecting Reddit at internet scale—serving as the first line of defense against DDoS attacks, automated abuse, large-scale scraping, and other network-level threats. This is a high impact role that sits at the intersection of distributed systems, networking, security, and applied machine learning. You will design and own the critical infrastructure that safeguards Reddit’s data from large scale attacks. You will: Design, build, and operate high-scale, low-latency systems that protect Reddit from DDoS attacks, bots, and automated abuse. Analyze, develop and evolve ingress-level defenses across CDN, edge, and internal infrastructure layers. Build systems to detect, score, and mitigate malicious traffic in real time at per-request and per-user granularity Partner closely within Infrastructure and with Security, and internal Safety teams to balance security, performance, and user experience Mentor junior engineers in their professional growth. Contribute to the team’s ML-at-Ingress initiatives, including experimentin

Who we are At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work , and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. . Hiring and how we work We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! Also, while we are a remote-first company, you may be asked to report in person on an ad-hoc basis for team gatherings, functional off-sites or customer meetings. . See yourself at Twilio Join the team as Twilio’s next Strategic Account Executive. About the job This position is needed to sell into high value prospects and customers. This person will play a key role in further growing the business across EMEA with a particular focus on Southern Europe. The candidate will be responsible for managing fast growing customers in the region. Focused mainly on Product cross and up-sell and GP growth, as well as sourcing net new opportunities within a set of accounts. Responsibilities In this role, you’ll: Servicing the fastest growing customers in the region. Growing our revenue and gross profit share of wallet within your key account list. Opening doors to the purchase of Twilio’s products and services - including voice, messaging, email, contact centre, account security software. Maintaining the highest levels of customer satisfaction. Create pricing proposals, negotiating terms and managing the contract process. Selling solution

Principal Consultant (Senior Manager) – Operational Resilience & Cyber Risk Location: London (Hybrid) | Practice Area: Finance, Risk, Regulatory & Financial Crime | Type: Permanent Build resilience where it matters most across cyber, technology, and third-party risk The Role Capco is seeking experienced Principal Consultants in Operational Resilience and Cyber Risk to join our growing Finance, Risk, Regulatory & Financial Crime (FRRF) capability. In this senior role, you'll lead complex client engagements across financial services and energy, advising on regulatory expectations such as PRA and DORA while driving the design and implementation of robust resilience frameworks. You'll play a key role in shaping client strategy, leading transformation programmes, and contributing to capability growth. You'll also leverage approved AI tools and AI-enabled ways of working to enhance analysis, accelerate insight generation, and improve delivery while applying responsible AI practices and appropriate human oversight. What You'll Do Lead operational resilience assessments, scenario testing, and control implementation programmes, identifying opportunities to leverage AI-enabled workflows and automation to strengthen resilience outcomes. Advise clients on regulatory readiness across PRA, DORA, and other resilience frameworks, translating regulatory expectations into practical transformation strategies and sustainable operating models. Oversee cyber risk, third-party risk, and vendor resilience assessments, using AI-enabled analytics where appropriate to strengthen risk identification, prioritisation, and decision-making. Design and implement governance models, dashboards, Important Business Services (IBS), Impact Tolerance (ITOL), and reporting frameworks, ensuring robust governance, validation, and oversight where AI-assisted tools are utilised. Lead cyber and technology resilience transformation initiatives, including tooling, cloud security, and control enhanceme

Managing Principal / Director – Cyber & Operational Resilience Location: London (Hybrid) | Practice Area: Finance, Risk, Regulatory & Financial Crime | Type: Permanent Lead large-scale cyber and operational resilience transformation across the financial services industry The Role Capco is seeking experienced Managing Principals / Directors to join our Cyber & Operational Resilience capability. In this senior leadership role, you'll act as a strategic advisor and delivery lead, partnering with leading financial institutions to design and implement end-to-end resilience solutions. You'll play a critical role in shaping client strategy, leading complex transformation programmes, and driving growth across our Risk practice. You'll also champion AI-enabled ways of working, helping clients and teams responsibly adopt approved AI tools, automation, and data-driven insights to strengthen resilience, improve decision-making, and accelerate delivery while maintaining appropriate governance and human oversight. What You'll Do Lead large-scale cyber and operational resilience programmes, including regulatory alignment with PRA, DORA, and global resilience frameworks, identifying opportunities to leverage AI-enabled workflows and automation to enhance client outcomes. Oversee resilience assessments across operational and technology landscapes, including third-party and vendor risk, using AI-enabled analytics where appropriate to strengthen risk identification, resilience, and decision-making. Define and implement resilience frameworks, governance models, controls, and reporting mechanisms, ensuring robust governance, validation, and responsible AI practices where AI-supported capabilities are adopted. Drive cyber resilience strategy, including cyber posture assessments, security architecture, cloud security initiatives, and the responsible application of AI to improve resilience capabilities. Lead business development, proposition creation, and strategic client growt

Onbe, a fast-growing FinTech, bringing innovation to a rapidly growing global marketplace, stands for “on behalf.” Because that’s exactly how we work: on behalf of our clients, as their comprehensive payments partner. We transform the way payments are imagined — as an opportunity for innovation, a source of insight to customers, and a way to connect with partners around the globe! Summary: We are looking for a Software Development Engineer with deep hands-on experience using AI coding agents as a primary development method. In this role, AI-assisted coding will be embedded throughout the daily engineering lifecycle: analyzing legacy systems, translating requirements into designs, generating and refactoring Java code, creating unit and integration tests, producing documentation, troubleshooting defects, and accelerating migration into independently deployable microservices. You will be expected to demonstrate proficiency with tools such as coding agents, prompt-driven development, and AI-generated test automation—not simply familiarity with them. Alongside strong Java and production engineering skills, you must be able to provide effective context to AI tools, review and improve their output, identify security and reliability risks, and take full ownership of the resulting production code. The target environment includes Java 21+, Spring Boot 3, Azure, REST APIs, event-driven integration, Docker, Kubernetes, and automated delivery. Responsibilities Design, develop, and operate production-grade Java microservices using Java 21 or higher and Spring Boot 3. Partner with a core group of internal SMEs and an external vendor to decompose legacy Java and SQL monolith capabilities into independently deployable, domain-oriented services. Serve as one of the long-term owners of the resulting domain service(s) once the vendor engagement concludes — driving its architecture, reliability, and evolution going forward. Bring fresh, modern engineering perspective to legacy code and

ABOUT BASETEN Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F , led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to ship AI products. THE ROLE The largest, most demanding enterprises run on Baseten, and they bring exacting requirements for how people, services, and agents access the platform. This is the founding role for our identity and authorization team within enterprise engineering. You'll own the identity and access layer of the Baseten platform: the authorization model, credential systems, and admin experiences that enterprise IT teams use to govern access for organizations like Harvey, HubSpot, and Notion. You'll design and build Baseten's fine-grained authorization system from the ground up to support the workflows customers depend on today while giving them cleaner, more precise ways to manage access as the platform grows. Authorization at Baseten requires low-latency permission checks at high request volume, consistent contracts and behaviors across the product suite, and strong security guarantees for mission-critical, highly regulated workloads. EXAMPLE INITIATIVES Recent and upcoming work in this area: Fine-grained authorization for users, service accounts, and agentic workloads: per-resource permissions at the organization, team, and workload scope to support both common workflows and complex enterprise access policies Programmatic authentication allowing high-compliance customers to connect service principles securely via short-lived, workload-based credentials Agent credentials that grant an agent exactly the access it needs for the gi

About Graphcore Graphcore is a global leader in artificial intelligence computing systems. We design advanced semiconductors and data center hardware that deliver the specialized processing power needed to advance AI while improving the efficiency required for broad adoption. As part of SoftBank Group, Graphcore belongs to a family of companies developing some of the world's most transformative technologies. Our AI Engineering Campus in Austin plays an important role in building the future of AI computing. The Opportunity As Technical Services Director, you will lead the teams that operate and evolve Graphcore's engineering labs, high-performance computing (HPC) platforms, and data center environments globally. You will be accountable for reliable, secure, cost-effective infrastructure that supports demanding engineering, AI, silicon-development, and validation workloads. This role combines people leadership, infrastructure strategy, operational excellence, capacity and financial planning, procurement, and program delivery. You will partner with Engineering, Information Technology, Security, Finance, Facilities, Supply Chain, customers, and external suppliers. The position is based onsite in Austin and requires travel to company facilities, data centers, and supplier locations, including international travel. What You'll Do Lead, recruit, mentor, and develop the systems administration, lab operations, and technical services teams responsible for the facility supporting global Engineering and Research and Development. Own the reliability, efficiency, protection, safety, supportability, and continuous improvement of engineering labs, HPC systems, and infrastructure facilities. Establish service levels, operating standards, escalation paths, performance measures, monitoring, observability, automation, ticketing, and configuration-management practices. Translate engineering and customer requirements into infrastructure roadmaps, capacity p

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. About the Cash Forecasting team: Cash Forecasting is our AI-amplified treasury solution that helps CFOs and treasury teams move beyond error-prone spreadsheets to achieve real-time cash visibility and predictive accuracy. The platform integrates seamlessly with major ERPs and banking systems to automatically capture, categorise, and analyse transactional data across multiple currencies and business units. Leveraging our proprietary GSmart AI technology, the solution continuously learns from historical cash flows, sales data, and treasury information to automatically select optimal forecasting algorithms and improve accuracy by over 30%. You'll work on sophisticated Ruby on Rails and React software that turns diverse financial data into clear analysis, giving customers sharp insight and forecasting through intuitive dashboards. This is a critical platform moving over $100 billion in daily cash flow for enterprise customers across 40+ countries, built to hold enterprise-grade security and scalability at that scale, every single day. What You’ll Do: Design, build, and maintain backend services and APIs that power the Cash Forecasting platform, while remaining comfortable picking up frontend work when the task calls for it Work across a large, sophisticated, multi-tenant SaaS codebase, writing code that's built to scale across enterprise customers and their data Own

🚀 We’re on a mission to make money work for everyone. We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as personal and business bank accounts, we offer joint accounts , accounts for 16-17 year olds , a free kids account and credit cards in the UK, with more exciting things to come beyond. Our UK customers can also save , invest and combine their pensions with us. With our hot coral cards and get-paid-early feature, combined with financial education on social media and our award winning customer service, we have a long history of creating magical moments for our customers! We’re not about selling products - we want to solve problems and change lives through Monzo ❤️ 📍Dublin, Ireland | 💰 €92,000 - €116,000, Incentive Awards tied to your performance ➕ benefits | Hear from the team ✨ ⭐ Our Risk team We are looking for an Operational, Technology and Information Security Risk Senior Manager in the second line of defence to provide independent oversight, challenge and advisory support on the effectiveness of our operational, technology, resilience and information security risk management practices across the EU. You will be a key member of the second line risk management team and work closely with senior stakeholders across first line technology, information security and operational resilience, to ensure risks are proactively identified, assessed, monitored, and managed in line with Monzo's risk management framework and appetite. This role requires a proactive and strategic mindset, strong technology risk management expertise, and a deep understanding of operational resilience and digital banking operations. This role reports to the Director of Operational Risk, Monzo Europe. The role you are applying for is a Controlled Function within the meaning of the Central Bank Reform Act, 2010.

Operational Resilience & Cyber Risk Consultant - all levels Location: Glasgow & Edinburgh (Hybrid) | Practice Area : Financial Crime, Risk, Regulation, Finance Transformation | Type: Permanent Build resilience where it matters most: cyber, tech, and third-party risk The Role Capco is seeking Operational Resilience and Cyber Risk professionals to join our growing FRRF capability. You’ll work across the financial services and energy sectors, advising clients on regulatory expectations like PRA and DORA, designing robust resilience frameworks, and implementing controls to close exposure gaps. This is a great opportunity to deliver mission-critical change and support high-value transformation programmes. What You’ll Do Deliver operational resilience assessments, scenario testing, and control implementations Support regulatory readiness across PRA, DORA, and other frameworks Evaluate cyber posture, third-party exposure, and vendor resilience Define and implement governance models, dashboards, and reporting mechanisms Guide tooling implementation and support cyber/tech resilience transformations What We’re Looking For Experience in operational resilience, cyber risk, and third-party risk across FS or Energy sectors Practical knowledge of IBS/ITOL calibration, scenario testing, and process mapping Ability to analyse and implement regulatory change and control remediation Strong collaboration skills to lead multi-disciplinary discussions across the business Clarity in communication, capable of engaging with stakeholders at all levels Bonus Points For Experience leading complex, multi-stream resilience or cyber transformation projects Background in cloud security assessments or cyber tooling implementation Familiarity with vendor risk assessments, remediation, and third-party governance Exposure to regulatory change projects and resilience reporting frameworks For senior candidates: mentoring, people management, and proposition development Why Join Capco Delive

PagerDuty (NYSE:PD) is a leader in Digital Operations Management. In an always-on world, organizations of all sizes trust PagerDuty to help them deliver a perfect digital experience to their customers, every time. Teams use PagerDuty to identify issues and opportunities in real time and bring together the right people to fix problems faster and prevent them in the future. Over 13,000 organizations (including 60 of Fortune 100) rely on PagerDuty to succeed with Digital Transformation, Cloud Migration, and DevOps Modernization. Notable customers include GE, Cisco, Genentech, Electronic Arts, Cox Automotive, Netflix, Shopify, Zoom, DoorDash, Lululemon and more. We are expanding rapidly as a platform for Digital Operations Management using AI/ML and Automation and growing our adoption by Development, IT, Customer Service, Security, and other teams across the organization. As a Site Reliability Engineer I on the Core Infrastructure team in our Atlanta office, you'll help build and operate the foundational infrastructure that powers PagerDuty's real-time digital operations platform. Our systems support millions of events and alerts daily, enabling customers to detect, respond to, and resolve incidents quickly and reliably. You'll work at the intersection of platform evolution and operational excellence, building and evolving foundational network, compute, and ingress infrastructure while scaling and hardening existing systems. Your work will directly impact the reliability, scalability, and security of the services our customers rely on to keep their businesses running as PagerDuty continues to grow across products, regions, and customer use cases. Key Responsibilities ● Support and improve foundational infrastructure, including networking, compute platforms, Kubernetes clusters, and ingress/traffic management systems. ● Contribute to the reliability and scalability of PagerDuty's core platform by hardening existing systems and supporting the rollout of new infrastructure

PagerDuty (NYSE:PD) is a leader in Digital Operations Management. In an always-on world, organizations of all sizes trust PagerDuty to help them deliver a perfect digital experience to their customers, every time. Teams use PagerDuty to identify issues and opportunities in real time and bring together the right people to fix problems faster and prevent them in the future. Over 13,000 organizations (including 60 of Fortune 100) rely on PagerDuty to succeed with Digital Transformation, Cloud Migration, and DevOps Modernization. Notable customers include GE, Cisco, Genentech, Electronic Arts, Cox Automotive, Netflix, Shopify, Zoom, DoorDash, Lululemon and more. We are expanding rapidly as a platform for Digital Operations Management using AI/ML and Automation and growing our adoption by Development, IT, Customer Service, Security, and other teams across the organization. As a Site Reliability Engineer II on the Core Infrastructure team in our Atlanta office, you'll help build and operate the foundational infrastructure that powers PagerDuty's real-time digital operations platform. Our systems support millions of events and alerts daily, enabling customers to detect, respond to, and resolve incidents quickly and reliably. You'll work at the intersection of platform evolution and operational excellence, building and evolving foundational network, compute, and ingress infrastructure while scaling and hardening existing systems. Your work will directly impact the reliability, scalability, and security of the services our customers rely on to keep their businesses running as PagerDuty continues to grow across products, regions, and customer use cases. Key Responsibilities ● Support and improve foundational infrastructure, including networking, compute platforms, Kubernetes clusters, and ingress/traffic management systems. ● Contribute to the reliability and scalability of PagerDuty's core platform by hardening existing systems and supporting the rollout of new infrastructur

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role We're hiring Cyber Evaluations Engineers to build and run the evaluations that measure cyber-relevant capabilities and safeguard robustness in our models. You'll design new evals, run per-release robustness testing, and dig into data on jailbreaks and prompt bypasses to understand where our safeguards hold up and where they don't. You'll also design many of the probes that detect cyber abuse in production and help shape the overall detection architecture alongside the policy team. Key responsibilities Design and run capability, uplift, and safety evaluations to assess cyber-relevant risk in new models Execute per-release safeguard-robustness testing ahead of major model launches Analyze evaluation results and communicate findings clearly to the team and to stakeholders Design, prototype, and tune detection probes for cyber misuse Work with the cyber policy team to turn policy lines into a layered, robust abuse-detection architecture, and measure its precision and coverage over time Build and maintain internal tooling used to run and score evaluations Collaborate with policy and engineering partners to translate eval findings into safeguard improvements Minimum qualifications Experience building or running evaluations, benchmarks, or test suites for software or ML systems, including delivering results on short, fixed timelines Hands-on cybersecurity experience (e.g., CTF participation, vulnerability research, exploit development, or security research) Proficiency in Python Strong ability to communicate evaluation results with multiple cross-functional stakeholders or potential policy stakeholders Preferred qualific

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. At Ripple, we're building a world where value moves like information does today. It's big, it's bold, and we're already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you're ready to see your impact and embrace meaningful challenges, join us, and build real world value. Every payment, every custody operation, and every line of code at Ripple runs on the infrastructure our platform teams build. We operate a multi-cloud, Kubernetes-native environment spanning multiple regions and regulatory jurisdictions, engineered for the availability and security standards our financial institution customers expect — and for the developer velocity our engineers need. The systems this organization owns are the substrate for everything Ripple ships. We have a big vision and the ambition to match. We are seeking the same in engineering leaders. You see infrastructure not as plumbing but as leverage: the difference between an engineering organization that ships weekly and one that ships continuously, between a platform that survives a regional outage and one that d

Zeal is an AI-enabled software consultancy purpose-built for Fortune 1000 companies, and we’re now part of Livefront . We help companies navigate technology to drive business outcomes by attracting, retaining, and growing exceptional talent and empowering them to use innovative technologies and process frameworks. We’re a values-driven technology company grounded in kindness, generosity, and integrity. Our mission is to build a place where our employees love their future and where clients trust us to deliver what we promise: to improve their business through technology. Love your future. We’re looking for an outstanding Agentic Engineer to join our team. Who you are You are a pragmatic, hands-on engineer who has built and shipped agentic AI systems into production. You understand that getting an agent to work is only part of the challenge. You know how to build systems that continue to work safely and reliably with real data, enterprise security requirements, and meaningful consequences when something goes wrong. You communicate clearly with clients and technical peers, make thoughtful architectural decisions, and are comfortable explaining why an agent behaved the way it did. You have strong software engineering fundamentals and the judgment to recognize when an agent is the right solution and when a simpler, deterministic approach is better. What you will be doing Work directly with clients to understand complex business problems and translate them into scalable, production-ready agentic AI solutions. Design and implement multi-step agent systems, including orchestration, tool and function calling, task decomposition, and, when appropriate, multi-agent coordination. Build integrations between agents and enterprise systems by exposing APIs as tools, implementing MCP servers, and developing structured tool contracts. Design evaluation frameworks, guardrails, grounding and citation checks, and human-in-the-loop workflows that identify and manage agent failures