{"id":2640093,"url":"https://alion.io/job/leonardo-principal-product-security-engineer-2","title":"Principal Product Security Engineer","company":{"id":54177,"name":"Leonardo","domain":"leonardo.com","url":"https://alion.io/company/leonardo-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":91,"open_postings":19,"ghost_share":0,"stale_share":0.579,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-10-21T05:46:15Z"}},"role":"Security","role_family":"Security","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Southampton, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":84000,"max_usd":150000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":25},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ISO 27001","optional":false}],"status":"live","first_seen_at":"2026-10-14T00:00:00Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-22T02:30:29Z","board_verified":true,"closed_at":null,"days_open":8,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":8},"description":"Job Description:\nYour Impact\nWould you like the opportunity to work on some of the UK's most progressive defence programmes, influencing the security of ground-breaking technologies that will help protect national security for years to come? In return, you'll join a collaborative team of experts committed to technical excellence and continuous advancement.\nOur Integrated Sensors and Protection Systems (ISP) Design Integrity team is looking for a Principal Security Engineer to secure the next generation of defence protection systems. Working closely with engineering specialists, you'll ensure that security is embedded throughout the product lifecycle, helping to develop resilient, compliant and threat-resistant solutions that protect our customers and their missions.\nYour responsibilities will include:\nDefining and managing product security requirements, providing expert guidance to integrated project teams on security standards, methodologies and best practice.\nDeveloping and implementing security processes, tools and protocols that enable our technologies to stay ahead of evolving threats.\nProducing and maintaining key security artefacts, including Risk Assessments, Threat Analyses and Remediation Action Plans.\nDriving security assurance activities throughout the full product lifecycle, ensuring solutions are secure by design, compliant and operationally resilient.\nSupporting the continuous improvement of security engineering capability, processes and ways of working across the business.\nCollaborating with security specialists, including Product Cyber Resilience Managers and the Head of Product Security, to deliver effective security assurance and risk management.\nWhat you’ll bring:\nPractical experience of ISO27001/27004/27005 and NIST Risk Management Framework (RMF).\nExperience of supporting a security risk management system for highly regulated products based on recognised frameworks such as aerospace, nuclear, automotive, rail or oil and gas.\nUnderstanding and appreciation of the Engineering development lifecycles and how the Product Security specialism aligns.\nAbility to interpret Penetration Test Reports and support remediation action.\nAwareness of UK Government Assurance Processes.\nThis is not an exhaustive list, and we are keen to hear from you even if you might not have experience in all the above. The most important skill is a good attitude and willingness to learn.\nSecurity Clearance\nThis role is subject to pre-employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). An additional range of Personnel Security Controls referred to as National Security Vetting (NSV) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). For more information and guidance please visit: https://careers.uk.leonardo.com/gb/en/security-and-vetting\nWhy join us\nAt Leonardo, our people are at the heart of everything we do. We offer a comprehensive, company-funded benefits package that supports your wellbeing, career development, and work-life balance. Whether you're looking to grow professionally, care for your health, or plan for the future, we’re here to help you thrive.\nTime to Recharge: Enjoy generous leave with the opportunity to accrue up to 12 additional flexi-days each year.\nSecure your Future: Benefit from our award-winning pension scheme with up to 15% employer contribution.\n Your Wellbeing Matters: Free access to mental health support, financial advice, and employee-led networks championing inclusion and diversity (Enable, Pride, Equalise, Armed Forces, Carers, Wellbeing and Ethnicity). \nRewarding Performance: All employees at management level and below are eligible for our bonus scheme.\nNever Stop Learning: Free access to 4,000+ online courses via Coursera and LinkedIn Learning.\nRefer a friend: Receive a financial reward through our referral programme.\nTailored Perks: Spend up to £500 annually on flexible benefits including private healthcare, dental, family cover, tech & lifestyle discounts, gym memberships and more.\nFlexible working: Flexible hours with hybrid working options. For part-time opportunities, please talk to us about what might be possible for this role.\nFor a full list of our company benefits please visit our website.\nLeonardo UK operates a grade-based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.\nLeonardo is a global leader in Aerospace, Defence, and Security. Headquartered in Italy, we employ over 53,000 people worldwide including 8,500 across 9 sites in the UK. Our employees are not just part of a team-they are key contributors to shaping innovation, advancing technology, and enhancing global safety.\nAt Leonardo we are committed to building an inclusive, accessible, and welcoming workplace. We believe that a diverse workforce sparks creativity, drives innovation, and leads to better outcomes for our people and our customers. If you have any accessibility requirements to support you during the recruitment process, just let us know.\nBe part of something bigger - apply now!\n#LI-LS2\nPrimary Location:\nGB - SouthamptonContract Type:\nPermanentHybrid Working:\nHybrid","description_format":"text","description_chars":5440,"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":["Equity","Flexible schedule","Gym membership","Hybrid work"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["C4ISR","Defense Manufacturing","Aircraft Manufacturing"],"lifecycle":[{"event":"open","at":"2026-10-15T18:40:36Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Secondment Worker, Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Secondment Worker; Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-10-21T06:25:45+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":65,"band":"ok","label":"Likely open","p_open":1,"p_active":0.652,"p_room":1,"age_days":7,"expected_fill_days":21,"reasons":["conf:1","stale_co","wave","velocity","win:early","comp:brand"],"computed_at":"2026-10-21T05:46:15Z"},"pay":null,"html_url":"https://alion.io/job/leonardo-principal-product-security-engineer-2","json_url":"https://alion.io/job/leonardo-principal-product-security-engineer-2.json","meta":{"generated_at":"2026-10-22T02:41:05Z","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":2225,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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":54177},"rest":"https://alion.io/mcp/rest/get_company?id=54177"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fleonardo-principal-product-security-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%2Fleonardo-principal-product-security-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%2Fleonardo-principal-product-security-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/leonardo-principal-product-security-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fleonardo-principal-product-security-engineer-2"}]}