{"id":1500422,"url":"https://alion.io/job/ultra-pcs-senior-software-engineer","title":"Senior Software Engineer","company":{"id":1959480,"name":"Ultra PCS","domain":"ultra-pcs.com","url":"https://alion.io/company/ultra-pcs","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":75,"open_postings":7,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cheltenham, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":82000,"max_usd":160000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":107},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"Linux","optional":false},{"name":"RTOS","optional":false},{"name":"Rust","optional":true}],"status":"closed","first_seen_at":"2026-04-16T00:00:00Z","employer_posted_date":"2026-04-16","last_verified_at":"2026-10-10T22:48:08Z","board_verified":false,"closed_at":"2026-10-10T22:48:08Z","days_open":177,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":177},"description":"We are Ultra Precision Control Systems\nUltra PCS is a leading developer of mission and safety critical equipment in the defence and aerospace industry. Our team of experts are at the heart of our success, which is why we are dedicated to fostering a safe working environment and a positive culture where every staff member feels valued and respected.\nWe solve our customers' problems, providing engineering solutions to safety and mission critical challenges in the air and on the ground. Our solutions can be found in the latest military aircraft and vehicles, in civil aircraft, and in unmanned vehicles.\nWe help to ensure our customers get to where they need to be safely, achieve their objectives and keep on going back.\nFlexible Working\nWherever possible, we will consider a variety of working options to suit your lifestyle, whether that be hybrid home/office working, flexible working and part or full time employment. It's the 'innovating' and 'empowering' values that we ASPIRE to be. We welcome the challenge to work in new ways and have trust in you when getting the job done because we recognise, our business is our people.\nJob Description\nUltra-PCS is seeking a talented C/C++ Software Engineer who has experience in embedded software development, passionate about learning software and keen to join dynamic team.Ultra PCS is a leader in providing solutions for aerospace and defence systems. We are seeking an experienced Software Engineer to join our team. We are searching for a dynamic highly skilled Software Engineer with a wide breadth of skills who is interested in applying those skills and furthering their development skillset on a variety of software projects.\nAs a Senior Software Engineer, you will be expected to derive requirements, produce software architecture, develop test specifications, perform coding, debugging and testing on a variety of platforms from microcontrollers, to asymmetric multi-processor systems. You will participate in all phases of full software development lifecycle. This role will suit a self motivated developer who is keen to take on a new challenge and who has a variety of programming languages and keen to learn new skills.\nKey Responsibilities:\nSoftware Development:\nRequirements definition, design, development, and verification for a variety of integrity levels, from safety critical to proof of concept.\nCoding to internal coding standards and ensuring high quality robust solutions.\nConduct design and code reviews to maintain high-quality standards.\nDebugging in embedded environments.\nRequired Skills and Experience\nTechnical Expertise:\nHigh proficiency in C and C++ and cross compiling and debugging on embedded targets.\nEmbedded Linux knowledge (Yocto, Buildroot)\nProficiency in real-time software design and RTOS concepts.\nCI/CD workflow. Experience with Git, Containerised development environments, CI/CD\nFamiliarity with debugging tools, hardware interfaces, and safety analysis techniques.\nPersonal Attributes:\nStrong organizational skills with the ability to collaborate in a wider team.\nExcellent communication skills, capable of effectively liaising with technical and non-technical stakeholders.\nDesirable Qualifications:\nWorking Knowledge of Rust\nExperience with aerospace systems or similar high-reliability domains.\nFamiliarity with other safety-critical standards (e.g., ARP4754, ARINC 653, DO-254, DO-248).\nUnderstanding of hardware/software integration and hardware-in-the-loop (HIL) testing.\nBenefits:\nEvery employee is critical to our success and as such we offer a range of flexible employee benefits along with career development opportunities.\nFlexible working within core working hours\n25 days holiday (185 hrs) with the option to buy/sell 5 days (37 hrs) plus bank holidays.\n4 times your annual salary in life assurance\nFlexible benefits package\nPension Scheme - Less than 5 years' service up to 5.5% employer contributions, 5 years' service + up to 7.5% employer contributions. \nSports and Social club\nSupportive and friendly working environment with regular team events\nYou couldn’t be joining the team and Ultra at a more exciting time. Therefore if this sounds of interest, please follow the application process.\nNationality Requirements\nCandidates must be able to work in the UK without restrictions in accordance with UK National Law and be prepared to successfully undertake an appropriate level of UK National Security Vetting according to UK Government National Security Vetting criteria.\nDiverse & Inclusive Employer\nUltra PCS is an equal opportunities employer that values diversity, inclusion, equity and equality. Underpinned by our values, behaviours, and policies, we want you to feel empowered to be your best and authentic self.\nWe promote a workplace that welcomes people from all backgrounds and cultures; believing that this will increase our diversity of thinking, and ultimately ensure we continue delivering on our commitments to our customers.\nWe do not discriminate based on race, religion, colour, national origin, gender identity, sexual orientation, age, marital status, veteran status, or disability status and welcome applications from all candidates.","description_format":"text","description_chars":5174,"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"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Electrical & Electronic Engineering","Defense Manufacturing","Data Entry & Processing"],"lifecycle":[{"event":"open","at":"2026-09-30T03:44:53Z"},{"event":"close","at":"2026-10-10T22:48:08Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"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":"2026-10-10T06:21:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":null,"pay":null,"html_url":"https://alion.io/job/ultra-pcs-senior-software-engineer","json_url":"https://alion.io/job/ultra-pcs-senior-software-engineer.json","meta":{"generated_at":"2026-10-11T04:42:53Z","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","counted_by":"address","units_charged":1,"used_today":3699,"day_limit":5000,"remaining_today":1301,"minute_limit":60,"resets_at":"2026-10-12T00:00:00Z"}},"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":1959480},"rest":"https://alion.io/mcp/rest/get_company?id=1959480"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fultra-pcs-senior-software-engineer"},{"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%2Fultra-pcs-senior-software-engineer"},{"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%2Fultra-pcs-senior-software-engineer"},{"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/ultra-pcs-senior-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fultra-pcs-senior-software-engineer"}]}