Are you an experienced security professional with a strong background in Information Assurance, Security by Design, and project security risk? Do you want to work on genuinely complex, high-stakes products in an environment where your expertise will be valued and your career actively developed?    We're working with a specialist, highly respected technology business to find a Product Security Engineer to join their team. This is a hybrid role with a minimum of 2 days per week on site — though the nature of the work means there will be weeks where full on-site presence is required.    This role is open to candidates ideally based in Surrey or secondary Dorset.    Important: This role requires SC Security Clearance. Applicants must be UK born, UK nationals.    What you'll be doing:    Undertaking project security risk analysis and ensuring security deliverables are developed and delivered in line with customer requirements Developing and implementing Product Security Policies aligned to SbD principles Chairing internal and external project security reviews and working groups Producing and delivering project documentation in line with Information Assurance frameworks Contributing manpower estimates to the bid process Working closely with engineering, product development and QA teams to embed security best practice throughout the product lifecycle Supporting the wider Supportability function as required    What we're looking for — essential:    Proven experience in project security planning and implementation (e.g. NIST 800 series) Experience delivering project documentation using Security by Design (SbD) principles Strong background in Information Assurance — RMADS, SbD documentation, CESG Good Practice Guides Experience in security risk assessment methodologies (e.g. NCSC) Able to work autonomously and adapt quickly to changing project demands Excellent communication, literacy, and MS Office skills SC cleared or eligible to obtain SC clearance    Nice to have:    Risk Management or DevSecOps experience Knowledge of TEMPEST or Electromagnetic Compatibility Familiarity with Defence Security Standards (Def Stan , JSP440, Security Policy Framework) Background in Defence, MoD, or serving military    What's in it for you:    Up to 24 additional holiday days per year via paid overtime or TOIL Private medical care — access to 50+ private clinics and hospitals nationwide Christmas closedown — most staff off from 24th December to 2nd January Competitive employer-matched pension scheme Company tech provided — laptop, mobile and home office equipment Salary sacrifice schemes — bikes, tech and more Gym discounts (plus onsite gym) Flexible core hours: 09:30–12:00 & 14:00–16:00 Committed investment in training, upskilling, and career development Relocation package available    This is a rare opportunity to join a business offering genuine vertical and lifecycle exposure — you shape the direction of your own career here.