Senior Infrastructure Software Engineer Jobs

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations Atlanta, US Austin, US Denver, US New York, US Seattle, US Washington DC, US Amsterdam, Netherlands London, UK Applications will be accepted until November 19, 2026. About the role Quicksilver is Cloudflare’s globally distributed key-value store. It replicates our data all around the world, over tens of thousands of servers and over 500 data centers. It handles all kinds of network conditions and serves billions of keys per second. I

WHAT IS BOX? Box (NYSE:BOX) is the leader in Intelligent Content Management. Our platform enables organizations to fuel collaboration, manage the entire content lifecycle, secure critical content, and transform business workflows with enterprise AI. We help companies thrive in the new AI-first era of business. Founded in 2005, Box simplifies work for leading global organizations, including JLL, Morgan Stanley, and Nationwide. Box is headquartered in Redwood City, CA, with offices across the United States, Europe, and Asia. By joining Box, you will have the unique opportunity to continue driving our platform forward. Content powers how we work. It’s the billions of files and information flowing across teams, departments, and key business processes every single day: contracts, invoices, employee records, financials, product specs, marketing assets, and more. Our mission is to bring intelligence to the world of content management and empower our customers to completely transform workflows across their organizations. With the combination of AI and enterprise content, the opportunity has never been greater to transform how the world works together and at Box you will be on the front lines of this massive shift. WHY BOX NEEDS YOU: Box IT End User Services' primary role is to provide technical services and support to all employees world-wide. We provide major services such as: desktop and audio video support, new hire on-boarding, advanced application configuration and event support. Our vision is to deliver end user solutions, capabilities and experiences that bring out the ultimate potential of every employee. Our team values: Be passionate to deliver great service, pursue growth and development, and build a positive team spirit. The Senior IT Support Engineer will join a global team comprised of the most talented IT professionals in the industry. As a Senior Support Engineer, you will manage and resolve an array of mobile, desktop,

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The Consumer Platform team owns the mobile app foundation that makes Roblox feel fast, fluid, and reliable for millions of players and is dedicated to delivering superior performance, reliability, and user experience on all platforms Roblox runs on. This team is building a seamless and engaging user interface that facilitates intuitive interactions, and maintains high performance & reliability standards. We're hiring an exceptional Senior iOS engineer to help us push the bar even higher. You will: Shape & improve the iOS experience on Roblox Lead architecture and implementation on a large, evolving Swift/Objective-C codebase Push the platform forward by adopting the latest iOS, hardware, and iOS capabilities. Partner deeply with product, design, and data science You have: 3+ years of leading the design and delivery of mobile features at scale. BS/MS in Computer Science, Engineering, or equivalent experience. Deep, hands-on expertise in Swift and Objective-C, with a real point of view on modern iOS architecture (Swift Concurrency, SwiftUI/UIKit interop, modularization). Experience working in very large codebases with many contributors. You know how to ship safely, instrument we

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Experience LiveOps builds the runtime tools creators use to operate and tune their live experiences — without shipping a code release. Our surfaces include Remote Configs (targeted, scheduled, and AI-assisted configuration), A/B Experimentation with real metrics and early harm detection, audience Segmentation , and Open Cloud / public APIs that expose all of it programmatically. As a Software Engineer on the team, you’ll work full-stack — across our backend services and the creator-hub web app (TypeScript/React) — to ship features that let every creator run live-ops the way large studios do: safely, and at platform scale. You’ll own meaningful pieces from day one and work closely with senior and principal engineers, our PM, and design. Join us and give the entire creator community live-ops superpowers. You Will: Build and ship features across ELO’s config, experimentation, and segmentation surfaces — backend services and the creator-hub UI. Own projects end-to-end (spec → launch) with support from senior/principal engineers on the team. Partner with PM, design, DSA/Discovery, and Data Platform to deliver high-quality, w

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. THE WORK: As a Senior Staff Security Engineer focused on AI Security, you will be Ripple's deepest technical expert at the intersection of artificial intelligence and security. This is a purpose-built, high-impact individual contributor role that spans two critical mandates: securing AI systems that Ripple builds and operates, and harnessing AI to make Ripple's security function faster, smarter, and more scalable. You will lead the technical strategy for AI security across the agentic SDLC, define and operationalize guardrails for LLM and agentic AI adoption, and build AI-powered security tooling in close partnership with the broader organization to embed AI security into how Ripple operates every day. You will also shape Ripple's external posture on AI security, contributing to industry standards, regulatory discussions, and Ripple's published security practices. WHAT YOU’LL DO: Drive the AI Security technical strategy and roadmap, defining how Ripple secures its AI systems, governs agentic workflows, and embeds security controls into the AI development lifecycle from day one. Design and implement security controls for LLM-integrated and agentic AI systems, including sandboxing, identity and permission scoping, runtime monitoring, and containment of autonomous agent actions that exceed authorized scope. Own AI security across the Controlled Agentic SDLC, establ

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Senior Sales Engineer to join our team. This is a Texas based role, reporting to the Sales Engineering Manager for the Americas Field Sales team in the South Enterprise department. You will be responsible for architecting technical solutions that directly address and resolve critical customer pain points. You will serve as a technical advisor throughout the sales cycle, ensuring that Zscaler solutions are perfectly aligned with customer goals and technical requirements. What you’ll do (Role Expectations) Creating and delivering technical product presentations to prospective customers where you will promote the value proposition of Zscaler products Gathering customer technical requirements to ensure proposed solutions will meet customer goals and needs Leading product evaluations and custom product configurations Running Proof of Value from start to finish, as the technical and industry expert Co

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. THE WORK: As a Senior Staff Security Engineer focused on AI Security, you will be Ripple's deepest technical expert at the intersection of artificial intelligence and security. This is a purpose-built, high-impact individual contributor role that spans two critical mandates: securing AI systems that Ripple builds and operates, and harnessing AI to make Ripple's security function faster, smarter, and more scalable. You will lead the technical strategy for AI security across the agentic SDLC, define and operationalize guardrails for LLM and agentic AI adoption, and build AI-powered security tooling in close partnership with the broader organization to embed AI security into how Ripple operates every day. You will also shape Ripple's external posture on AI security, contributing to industry standards, regulatory discussions, and Ripple's published security practices. WHAT YOU’LL DO: Drive the AI Security technical strategy and roadmap, defining how Ripple secures its AI systems, governs agentic workflows, and embeds security controls into the AI development lifecycle from day one. Design and implement security controls for LLM-integrated and agentic AI systems, including sandboxing, identity and permission scoping, runtime monitoring, and containment of autonomous agent actions that exceed authorized scope. Own AI security across the Controlled Agentic SDLC, establ

About the Role Support Operations is one of our core operations teams, responsible for making sure that when things go wrong, there's always someone there to make it right. The team designs, manages, and operates a large and growing global network of support centers, with the goal of delivering a world-class customer experience every time. We're looking for an experienced Workforce Planner to help develop and scale our support lines of business. This role is central to planning monthly, daily, and hourly staffing levels, and to keeping hiring plans current so we consistently deliver best-in-class service. You'll play a key part in improving forecast accuracy, reporting, and how we plan around floor staff utilization and efficiency — for a 24/7/365 organization, wherever it operates. You're excited about this opportunity because you will… Capacity planning Build and maintain support capacity plan models at the monthly, weekly, and interval level, using a quantitative model to determine the staff required to service forecasted volumes Match staffing supply to required staff to ensure efficient service level attainment, and make hiring, ramp, and staff-reduction recommendations Keep capacity plans and assumptions accurate, current, and aligned to source-of-truth headcount data, auditing regularly for accuracy Ensure alignment from the smallest site/team level of detail up through the broader org-wide capacity plan Maintain documentation of planning methodology, assumptions, and processes, and continually improve the planning tools, models, and templates themselves Forecasting & scenario planning Forecast incoming contact volume using historical and benchmark data, tracking deviations between forecast and actuals on a regular cadence Build, update, and present "what-if" scenarios to evaluate potential changes and support upcoming initiatives, as well as annual, half-year, and quarterly planning scenarios for long-range and financial planning Build and validate capac

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. The Strategic Finance team is responsible for providing data-driven insights to inform strategic, financial, and operational decision-making across the company. We are seeking a Senior Associate to support the go-to-market efforts of our International organization, which brings Toast’s platform to restaurants outside the U.S. You’ll partner directly with International sales, marketing, and onboarding leaders, building the topline and expense forecasts for each market and the reporting that tracks them against plan. The work is hands-on and close to the numbers, and it’s also where the strategic questions get answered: how each market performs, what drives unit economics, and where the business can operate more efficiently. This is a high-impact role at the center of Toast’s international expansion, with regular exposure to senior and cross-functional leadership. A day in the life (Responsibilities) Serve as a finance business partner to International go-to-market leadership, supporting market investment and resourcing decisions Run the budget and forecast cycle for International, partnering with budget owners to track spend against plan, refresh topline and expense projections through the quarter, and surface risks early Manage headcount planning and tracking across the International organization, spanning Sales, Onboarding, and Marketing, including capacity models, hiring plans, and reconciliation of actuals Deliver monthly and quarterly reporting and analysis for International financials and KPIs, ensuring key issues, risks, and business drivers are understood and highlighted Use unit economics such as LTV/CAC to pinpoint what’s driving results and where there’s room to improve Conduct ad-hoc analyses, modeling, and deep dives into strategic issues to improve decision-making Commu

For more than 30 years, SonicWall has delivered a partner-first unified cybersecurity portfolio that helps SMBs, MSPs, and IT teams consolidate network security, endpoint security, security service edge (SSE), and threat response across hybrid environments. By bringing connected technology, real-time threat intelligence, automation, and expert services together, SonicWall helps organizations simplify security operations, achieve better security outcomes, and lower total cost of ownership. Backed by a global ecosystem of more than 17,000 partners, SonicWall delivers enterprise-grade protection built for SMB and mid-market realities. For more information, visit www.sonicwall.com or follow us on X, LinkedIn , Facebook , and Instagram . Senior Technical Program Manager – Software & Hardware What You’ll Do The Senior Technical Program Manager will work with globally distributed cross-functional teams of Product Management, Software, Hardware, QA, Sales, Marketing, and others to plan, execute, and launch new SonicWall software and network security products. You are responsible for managing the product lifecycle from concept to market launch while maintaining program schedules, budget, scope, and quality. This includes working with external labs and internal teams to achieve regulatory and other government/security certifications. This position reports to the Director of Program Management and is located in Pune, India. Who You Are You are an authority in the development and manufacturing of cybersecurity software and hardware appliances in the network security field. You are a leader who steers a cross functional team to achieve a common set of goals. You possess: Strong program management skills in the definition, planning, execution, and launch of new cybersecurity products. Deep experience leading cross-functional teams&

Celonis is the trusted platform to industrialize Enterprise AI. At our core is the Celonis Context Model — which combines process data, business knowledge, and intelligence into a living digital twin of the enterprise that AI can actually understand, turning AI's operational blind spots into operational clarity. World's leading companies trust Celonis and its global ecosystem of partners to make their AI agents, people, systems, and processes work together, achieving transformational outcomes. We believe there's a massive opportunity to unlock global productivity and sustainability by giving AI the context to understand how every business process really works. Join our mission to make processes work for people, companies, and the planet. The Team: Product marketing at Celonis is strategic, scrappy, and tight-knit. We value leading with empathy in our interactions, working closely with each other and other teams (often deliberately delivering projects as mini teams or co-leads of two), giving back together, and making things as simple as possible. Each product marketer is the CMO of their product domain and focused on four pillars: Defining and executing product positioning, messaging, and launches Enabling and supporting the go-to-market and marketing teams Informing product strategy Driving product adoption and success. The Role: We’re looking for someone who loves technology and products, and knows how to turn complex ideas into clear, compelling stories. You’ll own our CIO narrative and offering, while also working with Corporate Development & Partnerships on strategic technology partners including OpenAI, Microsoft, and Oracle. Reporting to the Senior Director of Product Marketing for Platform, you’ll work closely with Product, Customer Transformation, Sales, Presales, Marketing, and our partners to shape positioning, joint value propositions, and go-to-market strategy. The work you’ll do: Product Positioning Create product positioning and messa

As an Enterprise Sales Engineer, you'll partner with Sales to help customers understand the value of Datadog and how it solves their most important technical and business challenges. You'll lead technical evaluations, deliver compelling demos, and guide customers through the journey from discovery to successful adoption. You'll act as a trusted advisor, bridging business goals with technical solutions, and play a key role in winning new business and expanding existing accounts. At Datadog, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace to ensure our Datadogs can create a work-life harmony that best fits them. What You’ll Do: Own the sales process in partnership with Account Executives by leading and shaping the technical strategy across opportunities from PG to Closed Won Lead customer discovery to uncover technical challenges, business goals, and success criteria, then translate those needs into tailored Datadog solutions Deliver engaging product demos, technical presentations, and workshops that connect platform capabilities to customer outcomes Project manage technical evaluations (POVs) end-to-end: scoping use cases and requirements, defining success criteria, building a project plan with clear timelines, and holding all participants accountable to the process Identify and cultivate technical champions within customer accounts, empowering them to advocate for Datadog adoption and drive consensus internally Participate actively in structured product and engineering field feedback sessions, serving as the technical voice of the customer to help shape product direction Maintain operational excellence by ensuring activity, deal progress, and customer interactions are accurately documented and up to date in related systems Collaborate cross-functionally with Product, Support, and GTM teams to address customer needs and resolve technical blockers Who

The MongoDB Atlas team is a diverse group of contributors working together to help our users manage MongoDB at global scale. We are responsible for MongoDB Atlas: our database as a service offering and fastest growing product which allows users to deploy fault-tolerant, globally distributed MongoDB clusters in just minutes. We're seeking a Senior Engineer to join the Atlas Identity and Access Management (IAM) team. IAM is a platform and a product team. We serve internal engineers by providing them a secure and durable suite of services, and we serve external customers by providing them user facing features and products. We are the owners of Atlas’ authentication (OAuth, SSO, Federated Identity) and authorization (RBAC, ABAC) systems, along with many others. The IAM team’s mission is to enable customers to securely build their applications with Atlas through our best in class user experience. The Federal Risk and Authorization Management Program (FedRAMP) is a US government-wide program that provides a standardized approach to security assessment, authorization, and continuous monitoring for cloud products and services. Our FedRAMP program requires that anyone who is accessing customer data or metadata inside the Authorization Boundary be a US Citizen on US Soil. We are looking to speak to candidates who are based in New York City, NY for our hybrid working model. Role Responsibilities Design, architect, build, and deliver core pieces of IAM Lead projects from specification to delivery Mentor and grow other team members Improve our codebase, best practices, and design principles Define your top priorities and focuses, communicate them, and execute against them Lead and contribute to complex technical projects and initiatives Candidate Profile 5+ years experience of software engineering, primarily focused on backend systems Proficient in a modern compiled programming language (Java, Go, C#, C++, etc.) Willingness to learn JavaScript and/or TypeScript along with modern

As Senior Data Scientist for Engineering Systems you will work independently alongside sharp, generous, and pragmatic engineers from Server Query, Atlas Clusters, and Release Quality, among other teams. Together, we tackle problems spanning resource scaling across the Atlas fleet, safe feature rollout to MongoDB clusters, automated incident response and query engine performance. Join the Platform Data Science team and help us research, prototype and ship machine learning features for MongoDB’s core server, query engine and Atlas, our database-as-a-service cloud offering. We are looking to speak to candidates who are based in Dublin or Cork for our hybrid working model. What You'll Do Partner with Server Query, Atlas Clusters, Release Quality and other engineers to embed algorithmic rigor and optimization into resource scaling, release-safety and monitoring systems across the fleet and inside query engine Deliver production-ready, thoroughly tested statistical and ML algorithms with well-identified limitations that deliver measurable business impact, not just an impressive-sounding methodology Own the full feedback loop: instrument model architecture with the metrics needed to track performance and create dashboards in collaboration with our stellar analytics team, collect feedback from users and metrics to diagnose issues or opportunities, and iterate accordingly Deliver thoughtful, kind code reviews to your peers and act as a core contributor to internal packages, tooling, and team processes that increase developer productivity Measures of Success In 3 months, you’re familiar with our workflow, have an elementary understanding of our product and what teams we work with. You have delivered small-to-medium improvements to our project portfolio In 6 months, you’ve delivered one feature you researched and prototyped from scratch and demonstrated its impact on business metrics of your choice In 12 months, you've established a track record of shipping ML-driven improveme

As an Enterprise Sales Engineer, you'll partner with Sales to help customers understand the value of Datadog and how it solves their most important technical and business challenges. You'll lead technical evaluations, deliver compelling demos, and guide customers through the journey from discovery to successful adoption. You'll act as a trusted advisor, bridging business goals with technical solutions, and play a key role in winning new business and expanding existing accounts. At Datadog, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace to ensure our Datadogs can create a work-life harmony that best fits them. What You’ll Do: Own the sales process in partnership with Account Executives by leading and shaping the technical strategy across opportunities from PG to Closed Won Lead customer discovery to uncover technical challenges, business goals, and success criteria, then translate those needs into tailored Datadog solutions Deliver engaging product demos, technical presentations, and workshops that connect platform capabilities to customer outcomes Project manage technical evaluations (POVs) end-to-end: scoping use cases and requirements, defining success criteria, building a project plan with clear timelines, and holding all participants accountable to the process Identify and cultivate technical champions within customer accounts, empowering them to advocate for Datadog adoption and drive consensus internally Participate actively in structured product and engineering field feedback sessions, serving as the technical voice of the customer to help shape product direction Maintain operational excellence by ensuring activity, deal progress, and customer interactions are accurately documented and up to date in related systems Collaborate cross-functionally with Product, Support, and GTM teams to address customer needs and resolve technical blockers Who