{"id":3023679,"url":"https://alion.io/job/atkinsrealis-senior-safety-computer-engineer","title":"Senior Safety Computer Engineer","company":{"id":8926,"name":"AtkinsRéalis","domain":"atkinsrealis.com","url":"https://alion.io/company/atkinsrealis","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":86,"open_postings":416,"ghost_share":0.002,"stale_share":0.563,"repost_share":0.007,"time_to_fill_p50_days":44,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","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":["Mississauga, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":64000,"max_usd":109000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":500},"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Assembly","optional":false},{"name":"Fortran","optional":false},{"name":"Verification & Validation","optional":false}],"status":"live","first_seen_at":"2026-10-20T00:00:00Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-24T07:38:40Z","board_verified":false,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Job Description\nOverview\nAtkinsRéalis is one of Canada's largest private sector nuclear engineering groups. We have been providing a wide range of services to the nuclear industry in Canada and around the world since for more than 60 years. We are proud to be the steward of Canadian CANDU nuclear technology.\nYour role\nProvide technical guidance and leadership to Computer Systems Engineering staff at lower grade levels and/or other technical employees.\nSupervise, co-ordinate and review work of engineers and support employees.\nPrepare requirements and preliminary designs for digital equipment systems such as the plant-wide communications network.\nPrepare requirements and develop tools for test/development systems as needed for the production of safety critical software.\nExecute software engineering tasks including software requirements specification, software design descriptions, coding, verification, testing, and documentation.\nEvaluate computer vendor products and prepare processes and procedures for implementing such products into the computer software design, development and V&V processes.\nAssist in planning activities associated with design, verification and testing of computerized safety, control and monitoring systems.\nAssist in preparation of work-scopes, design and quality requirements, and design plans for the various stages of computer systems development.\nParticipate in the concept design of safety, control and monitoring computer systems to define the system requirements, computer architecture, product/tool technologies and evaluate system performance and reliability.\nAssist in preparation of guides and procedures following international standards for work practices related to quality software for safety applications in the nuclear industry.\nDevelop software and scripts using a variety of programming languages/ toolsets/ environments including, but not limited to: IEC 61131-3 languages, C, C++, Varian / SSCI-890 Assembler, Fortran, Pascal, Visual Studio, LabView, XML, Photon.\nTest script development using in-house scripting languages.\nUpdate and/or prepare Computers Engineering design documents including software requirements specifications, software design descriptions, and software manuals.\nInterface with various engineering disciplines, suppliers, and other divisions within the company.\nDevelop cyber security processes and documentation related to project activities (procurement, design, etc), and identification of vulnerabilities / controls for specific end-devices. Cyber security activities may require supplemental security clearances.\nDeliver technical presentations accurately and effectively.\nManage assigned work effectively, including prioritizing, executing, managing schedule and budget, and reporting, to meet project goals.\nAbout you\nRelevant Honours degree in computer or electrical engineering from a university of recognized standing.\nEligible to be registered as a Professional Engineer in the province of Ontario\nMinimum 12-15 years of experience in a computer controls environment is preferred \nFamiliarity or experience with software design/development based on documented industry or international guidelines/standards is an asset.\nDemonstrate good technical skills and problem-solving capabilities and be able to seek practical solutions to engineering problems.\nDemonstrate good interpersonal skills and the ability to work in a multidisciplinary team environment.\nExcellent written and oral communication skills.\nRewards & benefits\nExplore the rewards and benefits that help you thrive - at every stage of your life and your career at AtkinsRéalis in Canada.\nEnjoy competitive compensation, employee recognition, and a brilliant range of flexible benefits you can tailor to your health, wellbeing, financial and lifestyle needs.\nMake the most of diverse opportunities for training and professional development to grow your skills and expertise.\nAnd take advantage of our hybrid working culture and generous time-off policies to balance a fulfilling career with your personal life.\nBe rewarded. Find out more.\nAbout AtkinsRéalis\nWe're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.\nFind out more.\nAdditional information\nAtkinsRéalis cares about your privacy. AtkinsRéalis and other subsidiary or affiliated companies of AtkinsRéalis (referred to throughout as “AtkinsRéalis”) are committed to protecting your privacy. Please consult our Privacy Notice on our Careers site to know more about how we collect, use, and transfer your Personal Data.\nBy submitting your personal information to AtkinsRéalis, you confirm that you have read and accept our Privacy Notice.\nAppropriate accommodation will be provided upon request throughout the recruitment and hiring process as required by Company policy and the Accessibility for Ontarians with Disabilities Act (AODA).\nSuccessful applicants will be notified about AtkinsRéalis’ accommodation policies at the time the employment offer is extended, and the information will be shared with new personnel during the onboarding process.\nWorker Type\nEmployeeJob Type\nRegularAt AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. 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