{"id":935137,"url":"https://alion.io/job/thought-machine-senior-site-reliability-engineer-2","title":"Senior Site Reliability Engineer","company":{"id":7206,"name":"Thought Machine","domain":"thoughtmachine.net","url":"https://alion.io/company/thought-machine","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":88,"open_postings":10,"ghost_share":0,"stale_share":0.3,"repost_share":0,"time_to_fill_p50_days":75,"computed_at":"2026-11-02T06:13:15Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":114000,"max_usd":229000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":61},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Chef","optional":false},{"name":"Configuration Management","optional":false},{"name":"GCP","optional":false},{"name":"Go","optional":false},{"name":"Jaeger","optional":false},{"name":"Kubernetes","optional":false},{"name":"Prometheus","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-09-15T12:41:28Z","employer_posted_date":"2026-09-28","last_verified_at":"2026-11-03T03:02:14Z","board_verified":true,"closed_at":null,"days_open":48,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":48},"description":"Thought Machine's mission is bold - to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology.\nWe have grown rapidly in the past few years - growing our team to more than 550 individuals across offices in London, New York, Singapore, Sydney and our newly established Engineering Hub in Lisbon. We have raised more than £500m in funding and our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more.\nWe have created a culture that enables our team to produce the best work in the industry while ensuring we have fun along the way. We're regularly cited as having a fantastic workplace culture and have been recognised by Sifted magazine as having one of the highest Glassdoor ratings for a UK fintech company and the industry's most generous employee share package. Named one of the world's most innovative fintechs by Global Finance Magazine, we were also recognised by the Financial Times as one of Europe's fastest-growing companies for two consecutive years-and a UK Best Employer for 2026.\nThought Machine’s Site Reliability Engineers are the guardians of mission-critical systems for the world's most influential financial institutions. As a member of our elite, globally distributed team, you'll be entrusted with running and maintaining the robust production infrastructure that powers our customers' cutting-edge Core Banking and Payments platforms. This is an opportunity to make a tangible impact on the global financial landscape while collaborating with brilliant minds to solve complex engineering challenges.\nThis role will be part of the Site Reliability Engineering team at Thought Machine HQ in London, tackling the challenges of automating complex fleet management operations, mentoring team members, promoting communities of best practice within engineering as well as designing operational processes that provide effective interfaces between Thought Machine and our SaaS customers.\nThe SRE team is deeply involved in tackling the technical challenges of executing Thought Machine’s growth ambitions - expect to be working with senior stakeholders in the organisation and with our customers, and working on programmes and initiatives that are critical to the success of the company.\nDuties:\nSupporting the product engineering teams in building highly fault-tolerant, scalable applications by participating in design discussions, engaging in RFCs and code reviews.\n\nExecuting various department strategies - contributing to the design and scoping work for team members around disaster recovery, backup, redundancy and capacity planning activities.\n\nBeing part of a global on-call rotation responsible for identifying and fixing bottlenecks in SaaS customer environments.\n\nRegular maintenance of production systems that host Vault products.\n\nDriving the evolution of our SaaS products by defining and designing features that foster exceptional reliability and an unparalleled user experience.\n\nImplementing and regularly testing DR strategies to ensure the highest level of resilience and fault tolerance of the platform.\n\nMaintain and promote high-quality written documentation of assets, processes and runbooks that are used by the team in their day-to-day operations,\n\nWorking with your Manager in growing team members in their technical skills as well as their understanding of Vault Products.\n\nRequirements:\nYou have a track record of delivering high-impact projects with focus on long-term scalability, ensuring that human intervention scales sub-linearly with usage growth.\n\nYou possess an up-to-date understanding of design patterns relevant to hosting and networking architectures.\n\nYou proactively champion product development, driven by a desire to build truly exceptional products, not just solve immediate challenges.\n\nYou’re a high-agency individual who can independently drive projects to completion by effectively scaling your individual output with the appropriate delegation of work to team members.\n\nYou have a strong background working in either Python, Golang having used one of these programming languages to execute a significantly sized project or initiative.\n\nYou have experience working with Kubernetes or other container orchestration systems.\n\nYou have experience with automation/configuration management, e.g. Terraform, Puppet, Chef, Ansible.\n\nYou have expertise in one or more of the following areas: Database Administration, Networking, Observability Tools (such as Prometheus, Jaeger) or automation infrastructure.\n\nYou have extensive experience working with either GCP or AWS.\n\nBenefits:\nHighly competitive salary\n\nPension plan (match up to 5%)\n\nLife insurance - three times annual salary\n\nCompetitive maternity (six months fully paid) and paternity leave (four weeks fully paid)\n\nShared parental leave (matched to our maternity leave for the same point in time)\n\n25 days holiday and bank holidays\n\nFlexible working hours\n\nCycle-to-work scheme\n\nElectric car scheme\n\nSeason ticket loan\n\nAccess to outstanding learning materials and courses\n\nSports and hobby clubs, subsidised by Thought Machine\n\nAll the latest tech you need\n\nStart the day properly with fresh fruit and cereals\n\nHuge range of healthy (and not-so-healthy) snacks, smoothies and drinks\n\nA talented and experienced team as your colleagues\n\nAn environment where we encourage learning and progress\n\nTwo charity days a year\n\nWeekly food pop-up\n\nWe actively hire candidates who demonstrate technical excellence in their field and welcome people of all ages and backgrounds, providing everyone with equal access to professional development. You are encouraged to apply even if your experience doesn't accurately match the job description. We also encourage applications from those with different abilities, including candidates with ADHD, autism, dyslexia or dyspraxia.","description_format":"text","description_chars":6143,"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":["Flexible schedule","Life insurance","Parental leave","Professional development"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Software & Embedded Finance"],"lifecycle":[{"event":"open","at":"2026-09-15T14:08:25Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker","cap_exempt":false,"checked_at":"2026-10-31T06:23:40+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":73,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.813,"p_room":0.9,"age_days":47,"expected_fill_days":75,"reasons":["conf:0","win:mid"],"computed_at":"2026-11-02T06:13:15Z"},"pay":null,"html_url":"https://alion.io/job/thought-machine-senior-site-reliability-engineer-2","json_url":"https://alion.io/job/thought-machine-senior-site-reliability-engineer-2.json","meta":{"generated_at":"2026-11-03T04:21:32Z","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":5941,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-04T00:00:00Z"}},"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":7206},"rest":"https://alion.io/mcp/rest/get_company?id=7206"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fthought-machine-senior-site-reliability-engineer-2"},{"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%2Fthought-machine-senior-site-reliability-engineer-2"},{"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%2Fthought-machine-senior-site-reliability-engineer-2"},{"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/thought-machine-senior-site-reliability-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fthought-machine-senior-site-reliability-engineer-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":935137}},{"tool":"search_jobs","arguments":{"company":"thoughtmachine.net","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":935137},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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