IT Systems Engineer
About this role
We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale.With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together. LangChain is a place where your contributions can shape how this technology shows up in the real world.Today, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. We have 100M+ monthly open source downloads, 6,000+ active LangSmith customers, and 5 of the Fortune 10 use LangSmith in production (+ 35% of the Fortune 500 overall), including teams at Klarna, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, LinkedIn, Monday.com, Nvidia, and Bridgewater.About the roleWe are seeking our second IT Engineer to join our growing team in San Francisco. Our team laid the foundation for IT at LangChain, and this role is critical to helping us mature and scale that foundation as the company grows. You'll bring deep technical expertise to our fleet management and SaaS administration, with room to shape how we manage our fleet, identity, SaaS stack, and the automation that runs the business. The ideal candidate brings startup experience, thrives in ambiguity, loves a good problem, and is excited to build scalable systems that support our global team. What You'll DoInfrastructure & AutomationBuild and maintain our IT infrastructure and tech stack that scales with LangChain’s rapid growthDrive automation initiatives to reduce toil and improve efficiency using scripts, APIs, and workflow toolsImplement monitoring and documentation practices that enable operational excellenceClient Platform EngineeringReimagine how we deploy, configure, and manage our Mac fleet. MDM (Iru) is the foundation, not the entire solution however.Design and build a secure, reliable, and maintainable desktop environment that replaces our current patchwork of one-off scripts with version-controlled, testable, and repeatable systemsOwn our approach to custom security controls and application deployment across the fleet, so updates and configuration changes are consistent and easy to roll out at scaleBuild the fleet management systems now so they hold up as headcount, and the fleet, keep growingSecurity & Identity ManagementDrive our identity strategy, implementing secure, scalable access controls following the principle of least privilegeIdentify and implement security enhancements across our SaaS stackPartner with our Security team to drive improvement of our enterprise security postureSaaS AdministrationAdminister and optimize our growing SaaS stack, managing provisioning, access controls, and lifecycle managementBecome IT's central administrator for LangSmith, our own product, developing deep fluency in its administration surfaceBuild automated workflows for LangSmith administration using its API paired with our automation tooling, reducing manual, toil-heavy admin workHelp IT stay fluent across the internal tools we run and support, including the LLM Gateway. Another LangChain product.Core IT OperationsProvide support to employees globally across hardware, software, networking, and IT toolsDeliver great onboarding experiences for new hires, ensuring they have the right hardware, access, and setup so they can be productive from day one What You'll Bring5+ years of experience in IT engineering and systems administrationDeep proficiency with Okta and Okta WorkflowsFluency in at least one general-purpose programming language (Python, JavaScript, or similar) with demonstrated ability to write production-quality scripts and automationVersed in the us of REST APIs, webhooks, and API authentication methods; you should be comfortable reading API documentation and building integrations between systemsDemonstrated ability to build meaningful automations that reduce manual work and improve IT operationsHands-on experience with IaC using Terraform to manage and provision IT infrastructure and applications, and comfort applying changes within an existing Terraform codebaseExperience using coding agents (e.g. Claude Code) as part of your day-to-day engineering workflow to build and ship automation fasterStrong experience with a modern tech stack that includes Google Workspace, Slack, Notion, Claude, ChatGPTSolid understanding of MDM platforms, and ideally experience going beyond baseline MDM with fleet/configuration management tooling to manage a fleet's security and application needsExperience administering a large or complex SaaS stack, ideally including internal or AI/LLM-based productsStrong networking fundamentals (TCP/IP, DNS, VPNs, firewalls, switching, wireless, LAN/WAN) Annual salary range: $150,000-$170,00 USD Compensation Philosophy:We offer competitive compensation that includes base salary, variable compensation for relevant roles, meaningful equity, benefits, and perks. Actual compensation and offerings will vary based on role, level, and location. Team members in the EU, UK, and APAC receive locally competitive benefits aligned with regional norms and regulations.BenefitsBenefits include medical, dental, and vision coverage, flexible vacation, a 401(k) plan, meals on in-office days in the US and more.
What this role is, and what else it is called
Employers in the UK advertise this kind of work as Systems Engineer, Infrastructure Engineer, Cloud Engineer and System Engineer too, so it is worth searching more than one wording. It is a mid-level Cloud & IT Infrastructure role in the UK, advertised without a stated working pattern, which is worth asking about.
About hiring at Langchain
Langchain has 18 other live technology roles on its careers page, across Software Engineering, Cloud & IT Infrastructure and UX, UI & Digital Design. Of those, 0% are advertised as fully remote and 11% as hybrid. Elsewhere in its adverts Langchain asks for TypeScript, React, PostgreSQL, Kubernetes and AWS. See all Langchain roles, salaries and stack.
How this role compares to the market
1,968 live UK roles list Python right now, from 583 employers. The median advertised salary is £80,000; 30% are advertised as remote. Browse Python roles.
1,265 live UK roles list JavaScript right now, from 507 employers. The median advertised salary is £50,000; 33% are advertised as remote. Browse JavaScript roles.
Market figures are today's snapshot of live UK roles on employer careers pages; see hiring trends.
Technologies mentioned
Detected on Langchain's careers page. ProdReady Recruitment lists this vacancy as an aggregator and is not the employer; applications go to the employer's own site.