{"id":1159809,"url":"https://alion.io/job/assystem-instrumentation-and-control-engineer-commissioning","title":"Instrumentation and Control Engineer - Commissioning","company":{"id":5278,"name":"Assystem","domain":"assystem.com","url":"https://alion.io/company/assystem","size_band":"5000+","is_staffing_agency":true,"is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":179,"ghost_share":0,"stale_share":0.994,"repost_share":0,"time_to_fill_p50_days":26,"computed_at":"2026-09-24T05:45:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bridgwater, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":39000,"max_usd":94000,"period":"year","method":"role_country_seniority_unknown","sample_n":259},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-09-23T10:24:12Z","employer_posted_date":"2026-09-23","last_verified_at":"2026-09-24T20:51:18Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"About Assystem\nAt Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Switchers blend historical engineering expertise with cutting-edge digital technologies to drive this change. Join us in revolutionizing the energy sector and making a significant global impact.\nWhy Join the Community of Switchers?\nBe part of one of the top three largest independent nuclear engineering companies globally. At Assystem, you'll contribute to groundbreaking projects that push the boundaries of innovation and engineering excellence. Join a community committed to driving forward the future of energy.\n You will lead commissioning activities for complex instrumentation and control systems across critical nuclear plant systems.\nWorking within your future team, you will support safe, compliant system delivery through integrated commissioning phases.\nSupport installation and commissioning preparation for complex I&C systems\nExecute onsite commissioning tests across plant systems and equipment\nReview commissioning procedures and identify continuous improvement opportunities\nAssess as-built installation status against approved engineering design documentation\nCollaborate with multidisciplinary teams supporting effective system handover activities\nEnsure commissioning activities comply with nuclear safety and licence requirements\nRecord commissioning data, test results, defects, and performance observations\nAssess commissioning risks and implement appropriate mitigation strategies throughout activities\nSupport calibration, maintenance, and testing of instrumentation and actuator systems\nPerform contractor surveillance ensuring commissioning quality and procedural compliance\n Degree or HNC qualified within a relevant engineering discipline\nExperience commissioning systems within nuclear, power, petrochemical, or heavy industry sectors\nStrong practical instrumentation knowledge including impulse pipework and primary measurement elements\nExperience commissioning pneumatic, hydraulic, and motor operated valve systems\nKnowledge of process measurement methods including pressure, temperature, level, and flow\nExperience interfacing with DCS, PLC, and plant protection systems\nPractical understanding of calibration methods, standards, and commissioning best practices\nExperience commissioning and maintaining safety relief valve systems within industrial environments\nStrong communication skills conveying technical information clearly across multidisciplinary teams\nAbility to set up, test, and troubleshoot complex I&C systems safely\n Additional information\nJoin us at Assystem and be part of a global team delivering some of the most exciting and complex engineering projects in the world. This is your chance to shape the UK’s energy future while developing your expertise in a unique environment.\nBenefits include:\nHybrid Working Opportunity\nFlexible working hours\nPension scheme (8% company contribution / 4% personal contribution)\n25 days’ paid annual leave + bank holidays + option to buy or sell days\nProfessional fees reimbursed\nEmployee referral scheme\nCompetitive Sick Pay - Support when you need it\nIncome Protection & 3x Salary Death-in-Service Cover\nFree Digital Gym Access - Expert-led fitness classes\n24/7 Employee Support Line - Mental health, financial & legal help\nWe are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter!\nBring your unique contributions and help us shape the future\nNOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.\nWe are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.","description_format":"text","description_chars":4459,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Annual leave","Flexible schedule","Hybrid work"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-23T23:14:51Z"}],"liveness":{"score":38,"band":"fade","label":"Fading","p_open":1,"p_active":0.379,"p_room":1,"age_days":0,"expected_fill_days":26,"reasons":["conf:6","agency","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-09-24T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/assystem-instrumentation-and-control-engineer-commissioning","json_url":"https://alion.io/job/assystem-instrumentation-and-control-engineer-commissioning.json","meta":{"generated_at":"2026-09-25T03:25:46Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":3758,"day_limit":5000,"remaining_today":1242,"minute_limit":60,"resets_at":"2026-09-26T00:00:00Z"}}}