{"id":3941180,"url":"https://alion.io/job/l3harris-technologies-senior-systems-engineer-4","title":"Senior Systems Engineer","company":{"id":177017,"name":"L3Harris Technologies","domain":"l3harris.com","url":"https://alion.io/company/l3harris-technologies","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":100,"open_postings":53,"ghost_share":0,"stale_share":0.019,"repost_share":0.038,"time_to_fill_p50_days":21,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Fareham, 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":[{"name":"IBM DOORS","optional":false},{"name":"DoDAF","optional":true},{"name":"MBSE","optional":true},{"name":"Verification & Validation","optional":true}],"status":"live","first_seen_at":"2026-11-06T00:00:00Z","employer_posted_date":"2026-11-06","last_verified_at":"2026-11-09T12:23:19Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Job Title - Senior Systems Engineer\nJob Location - Portchester, UK\nJob ID - 47276\nAbout this opportunity and L3Harris UK\nOperating at 9 sites in the United Kingdom, L3Harris supports Britain's mission to secure and strengthen the country by delivering sovereign innovation across the space, air, land, sea and cyber domains.\nL3Harris in Portchester arepart of our Maritime UK business - a leading global supplier of integrated marine control systems and simulation products for warships, submarines and high-end commercial marine vessels worldwide. Our Maritime UK business has four UK location and together we are powering the Royal Navy’s adoption of autonomous surface vehicle technology as well as delivering autonomous capability to UK ports, harbours and offshore energy service providers.\nWe are seeking an experienced Senior Systems Engineer to play a key role in the delivery of an innovative maritime autonomy programme. In this position, you will lead the engineering strategy and technical execution required to develop and deliver an autonomous vessel solution, ensuring alignment with business objectives, customer requirements, and established engineering processes.\nAs a Senior Engineer, you will lead a small, multidisciplinary team and drive programme success across cost, schedule, quality, and technical performance. You will work closely with Programme and Project Managers to develop new business opportunities, define technical solutions, support bids and cost estimates, and oversee delivery planning.\nThis is an opportunity to lead the development of cutting-edge autonomous maritime capability, working at the forefront of defence and advanced technology. You'll have the autonomy to shape technical direction, influence programme outcomes, and collaborate with experts across multiple engineering disciplines while delivering solutions that make a real operational impact.\nYou will act as the primary engineering interface with customers, providing technical leadership throughout the programme lifecycle while proactively managing risks, resolving issues, and communicating progress through meaningful performance metrics.\nA few of our employee benefits are:\n37.5 hour working week\nHybrid working where possible, three days onsite per week\nHalf day finish on a Friday\n25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days \nPrivate medical insurance with optional family cover\nPension scheme of up to 8% employer contribution\nLife Assurance 4x salary (flexible up to 10x) \nGroup income protection\nFlexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover, cycle to work scheme, travel insurance and electric car scheme\nEmployee Family Assistance Program providing mental health and wellbeing support \nProfessional membership reimbursement (discretionary) \nWhat the role will involve\nThe responsibilities of your role will include the following:\nLead the engineering strategy and technical delivery of a complex maritime autonomy programme.\nManage and mentor a cross-functional engineering team to achieve programme objectives.\nEnsure compliance with engineering governance, business processes, and industry standards.\nCollaborate with Programme and Project Managers to define technical scope, delivery plans, and resource requirements.\nSupport business development activities, including bid leadership, solution development, and cost estimation.\nMonitor programme performance and provide regular reporting on technical progress, risks, opportunities, and issues.\nServe as the primary customer point of contact for engineering and technical matters.\nDrive effective systems engineering practices throughout the project lifecycle.\nWhat you’ll bring\nThe role requires the following experience and skills:\nProven experience leading engineering teams within complex defence, maritime, aerospace, or highly regulated environments.\nStrong planning, communication, stakeholder management, and coordination skills.\nExcellent understanding of systems engineering principles, including: System context and boundaries, Interfaces and interactions, System hierarchies and decomposition and System partitioning and complexity management\nDemonstrable experience with requirements engineering, including requirements elicitation, analysis, validation, and management.\nExperience working within Defence programmes and applying Systems Engineering best practices.\nStrong proficiency in engineering tools, including: IBM DOORS (essential) and experience with System Architect and/or IBM Rhapsody would be advantageous.\nExperience leading the technical delivery of bids, proposals, or capture activities.\n\nDesirable Experience\nBackground in Software Engineering.\nExperience applying Model-Based Systems Engineering (MBSE) approaches and methodologies.\nKnowledge of architectural frameworks such as MODAF and DoDAF.\nBroad engineering awareness with the ability to support and understand adjacent disciplines, including: Safety Engineering, Electromagnetic Compatibility (EMC), Integrated Logistics Support (ILS), Verification & Validation, Systems Integration\nImportant to know\nApplicants who accept a conditional offer of employment must meet the requirement of right to work in the UK and must meet eligibility requirements for access to classified information and will be subject to government security 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