{"id":2119884,"url":"https://alion.io/job/extrac-machine-learning-engineer","title":"Machine Learning Engineer","company":{"id":4333564,"name":"ExTrac","domain":"extrac.ai","url":"https://alion.io/company/extrac","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"junior","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":58000,"max_usd":151000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":8},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Machine Learning","optional":false}],"status":"live","first_seen_at":"2026-09-29T16:13:25Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-12T04:41:45Z","board_verified":true,"closed_at":null,"days_open":12,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":12},"description":"About ExTrac\nExTrac is a decision intelligence company used by governments, defence organisations, financial institutions, and corporates operating in complex, fast-moving environments. Our capabilities fuse curated data sources, domain-specific AI, and deep human expertise to transform information overload into clear, actionable foresight.\nOur ambition is to become the analytical backbone that organisations rely on when geopolitical uncertainty becomes an opportunity or a strategic risk. More at extrac.ai.\nThe Role\nLocation: Hybrid (In-office in London, minimum 2 days per week)\nWe are looking for an ML Engineer to join ExTrac's Machine Learning team, which owns our modelling capabilities end to end.\nYou will work with software engineering and product design to understand requirements, contribute to agentic systems for large-scale analysis of the geopolitical landscape, and help train and evaluate domain-specific models for the problems our customers face. Alongside domain experts, you will help translate research into practical solutions for analysts operating at the frontier of their field.\nIn this role, you will own well-defined components end-to-end and collaborate on broader technical decisions, working alongside senior engineers, with support on the more ambiguous or open-ended parts of a problem. You will take projects from prototype through to reliable production deployment.\nWe look for people who enjoy challenging problems, keep learning and build systems that scale. We value low ego, genuine ownership and a passion for applying AI to high-stakes intelligence challenges.\nWhat the job involves\nDesigning systems that balance research velocity with product and production constraints\n\nHelp shape technical decisions on model selection, training approaches, evaluation and deployment for well-defined components\n\nBuild and ship production-ready components, combining research rigour with pragmatic engineering\n\nTake projects from early exploration through to reliable deployment\n\nApply high standards for architecture, code quality, evaluation and research practices\n\nYou should apply if\nYou like using machine learning to solve challenging problems in a complex domain\n\nYou enjoy working closely with product, design and the analysts who use what you build, translating their feedback into technical decisions\n\nYou're energised by hands-on work with model serving (small models and LLMs), agent orchestration and retrieval systems\n\nYou care about engineering fundamentals: writing code that's clean and maintainable, not just code that works\n\nYou are comfortable with a fast-paced environment and clear ownership\n\nWhere this role can take you\nThis role positions you at the frontier of applied AI for high-stakes decision-making, giving you the chance to help shape production agentic systems that influence real geopolitical and organisational outcomes.\n\nDepending on your interests, this role can open paths into specialised domain AI, technical leadership and lasting impact in the decision-intelligence space.\n\nRequirements\nDue to the nature of our work and the clients we support, applicants must be eligible to obtain UK security clearance. We are currently only able to consider applicants who are nationals of a NATO member state, Australia, or New Zealand.\n2+ years of professional software engineering experience, with experience owning well-defined features or components end-to-end within a larger system\n\nTechnical excellence (contributing to production systems, research that was used, or hands-on ownership of well-defined components in an early-stage role)\n\nSome hands-on experience with model serving (small models and LLMs), agent orchestration or retrieval systems\n\nDeveloping rigour in evaluation and benchmarking, with support from senior engineers\n\nStrong engineering fundamentals: ability to write clean, maintainable code\n\nComfort with a fast-paced environment and clear ownership of well-defined work\n\nExposure to modern coding agents and interest in effective workflows\n\nDesirable\nEarly-stage start-up experience\n\nBuilding agentic tools and harnesses\n\nWorking on domain-specific modelling problems\n\nClear writing, systematic thinking and strong communication\n\nInterview Process\nInitial Intro Interview - 30 Minutes\n\nTechnical Assessment - 45 minutes\n\nSystem Design Assessment - 45 minutes\n\nFounder interview - 30 Minutes\n\nBenefits\nCompetitive salary based on skills and experience.\n\nA generous benefits package, including Private Medical Health Insurance and enhanced pension contributions.\n\nEnhanced parental leave and a workplace nursery scheme.\n\n£500/year education budget with more expensive items (like conferences) covered with manager approval.\n\n33 days of leave across the year inclusive of bank holidays.\n\nFlexible working, hybrid: minimum 2 days per week in our central London office.\n\nExTrac AI provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, colour, religion, sex, national origin, age, disability, genetic information, sexual orientation, gender identity, or gender expression. We are committed to a diverse and inclusive workforce and welcome people from all backgrounds, experiences, perspectives, and abilities.\nExTrac AI is committed to a fair and transparent hiring process. We confirm that this advertisement is for an active, existing open role within our organisation. Please be advised that we may use artificial intelligence-driven tools to assist our recruitment team in screening, assessing, and selecting candidates for this position but all hiring decisions will be made by a member of our team.","description_format":"text","description_chars":5651,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Health insurance","Parental leave","Workplace nursery"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-08T23:54:59Z"}],"visa":[],"liveness":{"score":76,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.84,"p_room":0.9,"age_days":12,"expected_fill_days":29,"reasons":["conf:2","velocity","win:mid","comp:junior"],"computed_at":"2026-10-12T06:55:09Z"},"pay":null,"html_url":"https://alion.io/job/extrac-machine-learning-engineer","json_url":"https://alion.io/job/extrac-machine-learning-engineer.json","meta":{"generated_at":"2026-10-12T07:03:39Z","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":11336,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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":4333564},"rest":"https://alion.io/mcp/rest/get_company?id=4333564"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fextrac-machine-learning-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%2Fextrac-machine-learning-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%2Fextrac-machine-learning-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/extrac-machine-learning-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fextrac-machine-learning-engineer"}]}