{"id":2808933,"url":"https://alion.io/job/ensek-senior-platform-engineer","title":"Senior Platform Engineer","company":{"id":4446195,"name":"ENSEK","domain":"ensek.com","url":"https://alion.io/company/ensek","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Nottingham, United Kingdom"],"countries":["GB"],"hiring_countries":["GB"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":76000,"max_usd":145000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":8},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Amazon EKS","optional":false},{"name":"Crossplane","optional":false},{"name":"GitHub Actions","optional":false},{"name":"GitOps","optional":false},{"name":"Least Privilege","optional":false},{"name":"Platform Engineering","optional":false},{"name":"Terraform","optional":false},{"name":"AWS","optional":true},{"name":"Kubernetes","optional":true}],"status":"live","first_seen_at":"2026-05-20T07:47:39Z","employer_posted_date":"2026-05-20","last_verified_at":"2026-10-18T16:58:11Z","board_verified":true,"closed_at":null,"days_open":151,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":151},"description":"About ENSEK\nENSEK builds the cloud-native SaaS software that’s transforming how energy retailers operate, innovate and manage at scale.\nWe help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI-driven insight, all underpinned by modern, cloud-native architecture.\nENSEK is at an exciting inflection point as we scale at pace towards new international horizons. If you’re driven by solving complex, real-world problems and want to build modern technology that accelerates the global energy transition, you’ll feel right at home with us.\nAbout the role\nThe Platform Engineer III is an experienced engineer who delivers high-quality, scalable platform services while contributing significantly to infrastructure design, developer experience thinking, and delivery practices. Operating with a high level of autonomy, this role demonstrates strong platform engineering fundamentals, participates in shaping architectural decisions, and supports engineering teams in achieving predictable, value-led delivery. The Platform Engineer III applies advanced capability across Product, Delivery, and Engineering, helping uplift peers and contributing to ENSEK’s platform-first engineering culture.\nKey responsibilities:\nPeople & Conduct\nDemonstrate a mature growth mindset, routinely seeking feedback and acting on it to drive improvement.\n\nModel ownership and accountability, supporting peers in developing the same behaviours.\n\nFacilitate constructive debate and foster an inclusive, psychologically safe environment.\n\nShow resilience and adaptability in dynamic and challenging situations\n\nProduct\nUnderstand internal developer needs and platform strategy, using insights to drive technical decisions.\n\nUse platform metrics and developer feedback to inform conversations, challenge assumptions, and propose improvements.\n\nEvaluate platform approaches with commercial awareness, identifying cost-efficient infrastructure options.\n\nClearly articulate platform value and enable engineering teams to understand and adopt it.\n\nDelivery\nBreak down large platform initiatives into incremental, testable slices that unlock early learning and value.\n\nContribute to accurate estimation and planning, highlighting risks and dependencies.\n\nPromote agile ways of working and challenge behaviours that hinder flow and predictability.\n\nCommunicate clearly, simplify complex platform concepts, and produce golden path documentation so teams can self-serve.\n\nEngineering Practices\nWrite high-quality, maintainable infrastructure-as-code and platform tooling aligned to ENSEK standards (e.g. Terraform, Crossplane, Helm).\n\nContribute to platform architectural discussions; propose cloud-native design options with strong reasoning, including EKS, GitOps, and self-service patterns.\n\nApply test-first approaches and contribute to robust testing strategies for platform tooling and infrastructure changes.\n\nImprove observability, alerting, and operational practices across platform services to ensure reliability for all engineering teams.\n\nAdvocate secure coding and infrastructure practices, including least-privilege access and supply chain hygiene, ensuring compliance with ENSEK’s policy.\n\nEngineering Community\nShare platform knowledge widely, contribute to guilds, and elevate engineering and infrastructure standards.\n\nMentor junior engineers, support skill development across the team, and help onboard engineering teams onto platform capabilities and golden path tooling.\n\nParticipate in platform and community improvement initiatives, champion golden path adoption, and uphold ENSEK engineering values.\n\nExperience required:\nKey Skills\nProduct Skills\nDeveloper Focus: Applies internal engineering team insight to shape platform delivery and technical decisions.\n\nInsight Driven: Uses platform metrics and developer feedback to challenge assumptions and propose alternatives.\n\nCommercial Awareness: Understands infrastructure cost implications and identifies value-optimising platform solutions.\n\nDelivery Skills\nAgility: Breaks down complexity; supports effective refinement and estimation.\n\nSimplicity: Communicates clearly; identifies opportunities to simplify processes and solutions.\n\nEngineering Skills\nCode & IaC: Writes high-quality, well-structured code and infrastructure-as-code; provides meaningful feedback in reviews across Terraform, Crossplane, and GitHub Actions.\n\nDesign: Contributes to platform system design, demonstrating understanding of cloud-native architecture, EKS cluster patterns, and self-service infrastructure.\n\nOperations: Builds production-ready software and continuously improves operational practices.\n\nSecurity & Compliance: Follows and promotes secure development standards.\n\nSoft Skills\nGrowth Mindset\n\nOwnership\n\nPsychological Safety\n\nChallenge & Support\n\nResilience\n\nCompany Benefits\n25 days’ holiday + bank holidays\n\nOption to buy or sell 5 extra annual leave days per year\n\nVitality Health Insurance, including private healthcare, virtual GP access, mental-health support and wellbeing perks (50% off gym memberships-Virgin Active, Nuffield, PureGym)\n\nPensionwith5% matched contribution\n\nRegular team-wide and company-wide events\n\n2 volunteering days per year to give back\n\nRemote-first working environment with offices in London and Nottingham","description_format":"text","description_chars":5348,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Annual leave","Gym membership","Health insurance"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-18T08:37:11Z"}],"visa":[],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.243,"p_room":0.28,"age_days":151,"expected_fill_days":29,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-18T17:37:33Z"},"pay":null,"html_url":"https://alion.io/job/ensek-senior-platform-engineer","json_url":"https://alion.io/job/ensek-senior-platform-engineer.json","meta":{"generated_at":"2026-10-18T17:37:33Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":22620,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4446195},"rest":"https://alion.io/mcp/rest/get_company?id=4446195"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fensek-senior-platform-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fensek-senior-platform-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fensek-senior-platform-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/ensek-senior-platform-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fensek-senior-platform-engineer"}]}