{"id":949278,"url":"https://alion.io/job/harris-computer-platform-software-engineer","title":"Platform Software Engineer","company":{"id":2223,"name":"Harris Computer","domain":"harriscomputer.com","url":"https://alion.io/company/harris-computer","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":77,"open_postings":38,"ghost_share":0,"stale_share":0.921,"repost_share":0,"time_to_fill_p50_days":31,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United Kingdom"],"countries":["GB"],"hiring_countries":["GB"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":50000,"max_usd":121000,"period":"year","method":"role_country_seniority_unknown","sample_n":424},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"Apache Solr","optional":false},{"name":"AWS","optional":false},{"name":"AWS CDK","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"CircleCI","optional":false},{"name":"Claude Code","optional":false},{"name":"CloudFormation","optional":false},{"name":"Configuration Management","optional":false},{"name":"Copilot","optional":false},{"name":"Cursor","optional":false},{"name":"Db2","optional":false},{"name":"Docker","optional":false},{"name":"FastAPI","optional":false},{"name":"GCP","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Platform Engineering","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Windows","optional":false},{"name":"ZooKeeper","optional":false}],"status":"live","first_seen_at":"2026-09-15T23:13:46Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T16:15:46Z","board_verified":true,"closed_at":null,"days_open":55,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":55},"description":"i2 Group, aHarris Computer company, is seeking aPlatformSoftware Engineer on a full-time, permanent, remote basis with a monthly requirement of attending the i2 Group offices in Cambridge.\nThe Role\nThe Platform team solves one of the harder problems in software delivery: getting the same product to work correctly on a developer's laptop, a cloud cluster, a multi-node on-premise deployment, and a fully air-gapped system. None of those environments are ones we control once deployed, and loose intent produces different results on each of them. The job is deciding precisely what has to be true everywhere, and then building it.\nAlongside customer-facing delivery, the team builds the internal platform capabilities that let our R&D teams self-serve infrastructure and software. It is our second priority and the area where our AI-first workflows have moved fastest.\nWe are a small team, working closely with Architects, UX Designers, and Product Managers. We are looking for engineers who can define, design, and build platform capabilities, rather than simply maintain them.\nHow We Work\nWe are AI-first. The bottleneck has shifted from writing to thinking, the AI writes the code, you own the decisions that shape it. If you have worked this way before, you'll recognise the workflow immediately. If you haven't, it's a shift in how you think about your time. Your focus is on the decisions, not the code that expresses them.Deep expertise in a specific tool stack matters less than it once did. What counts is knowing what good looks like - enough domain awareness to write a meaningful spec, ask the right questions, and develop an instinct for where AI helps, where it misleads, and when not to trust it.\nWhether you come from an AI-first background or a platform engineering background, you are welcome here. The AI-first developer brings rigour and reasoning; the platform engineer brings domain knowledge and an instinct for what good looks like. Either way, we'll help you get there.\nWhat You'll Be Doing\nThe precision described above is not a separate activity from delivery - it is how we deliver. In practice the role covers:\nDesigning, building, and maintaining the software and tooling used to deploy, configure, and operate i2's products across desktop, single-box, on-premise, and cloud targets\n\nBuilding production-grade container images and the interfaces they expose to hosting platforms\n\nOwning the deployment and upgrade story for stateful distributed components, including recoverypaths from shapes already shipped to customers\n\nDelivering releases to customers across diverse and often restricted environments, and supporting the upgrade paths from what is already in the field\n\nDeveloping internal platform capabilities that let R&D teams self-serve infrastructure and software\n\nMaintaining and improving CI/CD pipelines and internal developer tooling\n\nInstrumenting deployments and the delivery pipeline so that decisions are made on data\n\nContributing to architectural decisions, validating that what gets built matches what was specified, and owning the quality of AI-generated output\n\nOwning the testing strategy for deployments\n\nWhat We're Looking For\nThe things we care most about are the ones that are hardest to teach: a spec-first way of working, design thinking, and the judgement to know when something that looks right is not.\nSpecifically:\nYou can take a vague requirement, interrogate it, record the decision and its trade-offs, and define the test that would prove it wrong\n\nYou can decompose a system into components with clear responsibilities, decide where a boundary belongs, and be concrete about what crosses it and how it is authenticated\n\nYou are AI-first or ready to commit to it - not just willing to try it alongside your existing workflow\n\nCloud deployment and Infrastructure-as-Code - you have built deployments on a major cloud and understand the tooling\n\nYou have the judgement to recognise when AI output is wrong - a plausible implementation that quietly violates a security invariant, or a port that looks correct and is not\n\nYou are comfortable working in technologies and deployment topologies you have not encounteredbefore, and you learn them quickly\n\nThe technical depth we look for sits alongside those traits, not above them. We want experience in platform or software engineering in a commercial environment - enough exposure to deployment and operational concerns to write meaningful specs and validate AI output against them:\nExperience shipping software to structurally different deployment targets; you understand why they differ, not just that they do\n\nContainer technology: you have built and shipped production-grade images, not just run them locally\n\nCloud deployment and Infrastructure-as-Code: you have worked with AWS and understand the tooling\n\nApplication security: you understand trust boundaries, identity models, and secrets handling\n\nCI/CD pipelines: you have built and maintained them, not just consumed them\n\nYou can work effectively with engineers, architects, and non-technical stakeholders\n\nThe role may require UK national Security Check (SC) vetting;\ncandidates must be eligible for and willing to undergo this if needed.\n\nBachelor's degree in software engineering or a related discipline, or equivalent experience\n\nWhat You'll Work With\nThese are the technologies you will be working with day to day:\nAI coding tools (e.g. GitHub Copilot, Claude Code, Cursor) as the primary development workflow\nAWS today, with Azure and Google Cloud planned\nInfrastructure as code: AWS CDK and CloudFormation\nCI/CD with CircleCI and internal developer tooling\nDocker and production image pipelines\nDeployment tooling for Windows and Linux, including desktop installer and packaging\nApache Solr, ZooKeeper, DB2, SQL Server, Postgres\nAnsible for configuration management\nPython\nHelpful, But Not Required\nKubernetes\n\nAWS or Azure certification in one or more disciplines\n\nFastAPI, React, or TypeScript, for internal developer tooling and portals\n\nAbout i2 Group\ni2 Group is the global leader in advanced visual analysis solutions. We empower analysts and investigators to discover, create, and disseminate actionable intelligence to combat threats including crime, terrorism, war, and fraud. Our software helps analysts transform data in real time, enabling customers to detect, disrupt, and defeat sophisticated threats across law enforcement, fraud and financial crime, military defence, and national security.\nBenefits\nSalary: £45,0000 - £65,000\n\n25 days holiday + 5 Personal Days leave + bank holidays\n\nPrivate health and dentalcare\n\nEmployee share options\n\nAnnual Lifestyle Reward amounting £325 per annum/pro rata.\n\nSupporting Your Application\nOur recruitment process comprises interviews and, at times, a written exercise, an assessment day, and/or a presentation. As an equal opportunities employer, we want to do all we can to make this a positive experience for you. 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