{"id":3784228,"url":"https://alion.io/job/mass-systems-engineer-system-lead","title":"Systems Engineer - System Lead","company":{"id":4372552,"name":"MASS","domain":"mass.co.uk","url":"https://alion.io/company/mass-co-uk","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Eploy","truth_index":{"grade":"A","score":89,"open_postings":6,"ghost_share":0,"stale_share":0.333,"repost_share":0.167,"time_to_fill_p50_days":34,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-11-04T04:19:57Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-07T10:41:08Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Systems Engineer - System Lead - Porton Down (SP4) - Permanent - Full Time\nSalary: £45,000-£60,000 DOE\n25 days' annual leave (inclusive of up to 3 days December shutdown)\nThe option to buy or sell up to 5 days' annual leave\nTwo pension schemes to choose from\nPrivate Medical and Dental Insurance, with discounts for additional family members\nLife Assurance scheme up to 4x salary\nMultiple savings schemes\nElectric/Hybrid Car Leasing scheme\nCycle to Work scheme\nRetail discounts\nContinuous Professional Development support\nAnnual Wellness Allowance\nAbout the role\nAre you an experienced Systems Engineer or technical specialist with recent, hands-on experience of complex defence, aerospace or military aviation systems? Do you enjoy getting into the technical detail, analysing system performance and helping resolve complex engineering challenges?\nAt MASS, you'll join our team and work directly on-site with our customer, Dstl, at Porton Down (SP4), 5 days a week, supporting a range of specialist Defensive Aids System (DAS) capabilities.\nIn this role, you'll work broadly across three technical supplier areas: Infrared (IR) Threat Warning, Directed Infrared Countermeasure (DIRCM) and the overall DAS Controller. Working alongside the Senior Leads responsible for each area, you'll provide technical support and deputise where required, helping maintain a detailed understanding of the systems, their performance, integration and technical challenges.\nThis is a technically focused role, where your engineering knowledge, analytical skills and ability to interpret complex technical information will be key. You'll work closely with Dstl, MOD stakeholders, industry partners and platform integration teams, contributing to technical investigations, test and evaluation, assurance and informed decision-making.\nThe role also involves some travel within the UK to liaise with stakeholders across MOD and industry.\nWhat you'll be doing\nYou'll apply your systems engineering and technical analysis experience across a variety of activities, supporting the three capability areas and working closely with the relevant Senior Leads.\nDevelop and maintain a sound technical understanding of the IR Threat Warning, DIRCM and DAS Controller capabilities, including their architectures, interfaces and performance.\nSupport the Senior Leads across the three technical supplier areas, deputising where required.\nReview technical specifications, engineering documentation and test evidence, identifying issues, risks and areas requiring further investigation.\nWork with Dstl, industry suppliers and MOD stakeholders to understand technical developments, challenges and opportunities.\nSupport platform integration activities, technical investigations and the resolution of engineering challenges.\nContribute to laboratory testing, field trials, test and evaluation and technical assurance activities.\nAssess system performance against technical requirements and operational needs.\nAnalyse technical and operational data, drawing conclusions and producing clear recommendations.\nPrepare technical reports, briefings and presentations to communicate findings and support decision-making.\nCapture technical knowledge and lessons learned to support effective knowledge sharing across the team.\nHow you'll support us\nYour technical expertise and analytical approach will help MASS and Dstl understand system performance, identify potential risks and make informed decisions. You'll play an important part in supporting the development, integration and assurance of specialist defence capabilities.\nThe invaluable experience you'll bring, to help us achieve more\nWe're looking for someone with recent, hands-on technical experience of complex defence, aerospace or military aviation systems. You'll have the ability to investigate technical challenges, interpret complex information and apply your knowledge across different systems and capabilities.\nEssential experience\nSignificant recent experience in systems engineering, systems integration, test and evaluation, technical analysis, assurance or a related technical discipline.\nTechnical knowledge relevant to DAS, electronic warfare, defensive aids, threat warning, countermeasures or a closely related defence or aerospace capability.\nDemonstrable technical depth in at least one relevant area, such as systems engineering, test and evaluation, technical analysis, systems assurance, integration or performance assessment.\nA good understanding of the air domain, including platforms and threat systems.\nExperience working with complex defence, aerospace, military aviation or other high-technology systems.\nUnderstanding of system architectures, interfaces and integration challenges.\nExperience reviewing technical specifications, engineering documentation and/or test evidence.\nExperience supporting testing, trials, verification, validation, analysis or technical assurance activities.\nStrong analytical and problem-solving skills, with the ability to interpret technical information and produce clear reports and recommendations.\nGood communication and stakeholder engagement skills, with the confidence to work alongside technical specialists and industry partners.\nDesirable experience\nExperience working with MOD or defence industry programmes.\nExperience supporting platform integration activities.\nUnderstanding of systems engineering lifecycle processes.\nExperience in operational analysis, performance assessment or technical risk management.\nExperience working across multiple technical systems or supplier environments.\nSecurity requirements\nAs this role involves working on secure projects with Dstl, there are a couple of requirements we need you to meet:\nYou must be a UK National and eligible to work in the UK.\n You must be eligible to obtain and maintain UK Government Security Check (SC) clearance.\nWho is MASS?\nMASS is an independent technology company trusted by highly secure organisations to deliver advanced digital services that manage data and keep information safe. With our heritage in defence, we bring extensive security expertise to organisations where protecting information and maintaining resilience are essential.\nWe work closely with our customers, combining technical expertise with innovative thinking to deliver tailored, agile and resilient solutions. Our people are at the heart of what we do, bringing the skills and experience needed to help our customers navigate complex challenges and stay ready for digital transformation.\nWellbeing is an important part of our culture. We want our people to feel supported and able to thrive, which is why we offer a range of wellbeing initiatives, including mental health first aiders and access to our extensive Employee Assistance Programme.\nMASS is an equal opportunities employer. We value the different skills, experience and perspectives our people bring, and aim to create a friendly and inclusive workplace where everyone feels valued and has the opportunity to make a real impact.\nApply today to see how working for MASS could work for you!\nSkills\nGeneral Skills - ELECTRONIC WARFARE, General Skills - SYSTEMS ENGINEER, General Skills - SYSTEMS ENGINEERING, General Skills - DOCUMENTATION","description_format":"text","description_chars":7221,"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","Dental insurance","Professional development"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Government","Military"],"lifecycle":[{"event":"open","at":"2026-11-05T02:46:38Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"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":"2026-11-07T07:57:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":34,"reasons":["conf:3","velocity","win:early"],"computed_at":"2026-11-07T05:47:08Z"},"pay":null,"html_url":"https://alion.io/job/mass-systems-engineer-system-lead","json_url":"https://alion.io/job/mass-systems-engineer-system-lead.json","meta":{"generated_at":"2026-11-07T12:03:58Z","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":13030,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"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":4372552},"rest":"https://alion.io/mcp/rest/get_company?id=4372552"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmass-systems-engineer-system-lead"},{"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%2Fmass-systems-engineer-system-lead"},{"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%2Fmass-systems-engineer-system-lead"},{"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/mass-systems-engineer-system-lead\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmass-systems-engineer-system-lead"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3784228}},{"tool":"search_jobs","arguments":{"company":"mass.co.uk","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3784228},"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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