{"id":1948963,"url":"https://alion.io/job/alten-senior-embedded-c-engineer-5","title":"Senior Embedded C++ Engineer","company":{"id":52934,"name":"ALTEN","domain":"alten.com","url":"https://alion.io/company/alten-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":76,"open_postings":75,"ghost_share":0,"stale_share":0.96,"repost_share":0,"time_to_fill_p50_days":25,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","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":{"min":40000,"max":60000,"currency":"GBP","period":"year","gross":null,"usd_annual":79170},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"Embedded C","optional":false},{"name":"Ada","optional":true},{"name":"C","optional":true},{"name":"CI/CD","optional":true}],"status":"live","first_seen_at":"2026-10-06T08:26:22Z","employer_posted_date":"2026-10-06","last_verified_at":"2026-10-12T17:12:00Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.\nOur teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world-today.\nJoin us and start building tomorrow’s world today!\n Join our team as a Senior Embedded Software Engineer and contribute to the development of mission-critical embedded software used within defence and other highly regulated engineering environments. You will work on complex real-time systems where software robustness, determinism, and safety assurance are essential.\nThis role offers the opportunity to apply deep embedded C++ expertise in high-integrity programmes, supporting the delivery of reliable software solutions within demanding, process-driven environments.\nLocation: London\nOn-site: 4 days per week\nSeniority: Senior (8+ years’ experience)\nClearance: Candidates must be willing and eligible to obtain SC clearance.\nKey Responsibilities\nDesign, develop, and maintain embedded C++ software for real-time, mission-critical systems\nContribute to development within safety-regulated environments, following high-integrity software practices\nDevelop and integrate low-level software components and system interfaces\nSupport unit, integration, and system-level testing to ensure deterministic and reliable behaviour\nCollaborate with systems, electronics, and test engineers to integrate software into complex platforms\nProduce clear and traceable technical documentation suitable for regulated engineering environments\n Required Skills\nStrong experience with embedded C++ (C++11/14/17 or later)\nProven background delivering software in defence, safety-critical, or regulated environments\nSolid understanding of real-time software constraints and deterministic behaviour\nExperience contributing to verification, validation, and requirements traceability activities\nFamiliarity with configuration management and development lifecycle tooling\nStrong debugging and problem-solving ability within complex systems\nSoft Skills & Collaboration\nClear and confident communicator across multi-disciplinary teams\nDetail-oriented, quality-driven mindset\nStrong ownership of technical delivery and accountability\nComfortable operating in process-heavy, high-assurance programmes\nRequired Qualifications\nBachelor’s or Master’s degree in Software Engineering, Computer Science, or related discipline, or a relevant technical military background with equivalent hands-on experience.\nCandidates must be eligible to hold UK SC security clearance.\nDesirable Skills\nExposure to safety-critical standards such as DO-178 or equivalent\nExperience with Ada within high-integrity or regulated systems\nKnowledge of MISRA C/C++ or secure coding practices\nFamiliarity with automated testing, static analysis, or CI/CD pipelines\n Why join us?\nWe bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.\nAt ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.\nJoin a passionate team and help build tomorrow, today.\nIn short you get:\nA personalised career path and a rewarding management style \nA huge diversity of engineering projects and industries\nPrivate Medical Insurance\nCycle & Tech Scheme \nEmployee assistance programme\nLife insurance & Pension Scheme\nSocial atmosphere, regular gatherings & team buildings\nFlexible way of working (role dependent)\nWe are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. \nALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. \nThis role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . 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