{"id":167765,"url":"https://alion.io/job/atkinsrealis-controls-system-accis-engineer","title":"Controls System ACCIS 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":"B","score":84,"open_postings":427,"ghost_share":0.002,"stale_share":0.637,"repost_share":0.009,"time_to_fill_p50_days":42,"computed_at":"2026-10-29T05:49:05Z"}},"role":"DevOps","role_family":"DevOps","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":["Mississauga, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":61000,"max_usd":127000,"period":"year","method":"role_country_seniority_unknown","sample_n":259},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Java","optional":false},{"name":"SQL","optional":false},{"name":"UML","optional":false},{"name":"Verification & Validation","optional":false},{"name":"SQLite","optional":true},{"name":"VMWare","optional":true}],"status":"live","first_seen_at":"2026-07-30T00:00:00Z","employer_posted_date":"2026-09-01","last_verified_at":"2026-10-29T19:02:02Z","board_verified":true,"closed_at":null,"days_open":91,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":91},"description":"Job Description\nOverview\nControls System ACCIS Engineer will support Computer Systems Engineering department which is responsible for digital instrumentation and control equipment for projects involving control, monitoring, and operator displays in the nuclear island for our existing customers and new builds. We are responsible for digital system design, equipment selection and procurement, and all software activities. This is a developmental position, and all duties will be carried out under general supervision of Technical Lead.\nYour role\nExecute software engineering tasks including software requirements specification, software design description, coding, verification, testing, documentation and development of safety related real time software for projects involving new CANDU nuclear power plant architectures/designs and/or retrofits to existing nuclear plants and installations.\nThe Advanced Control Center Information System is a SCADA software used in plant display systems and HMIs. This software runs on the QNX operating system and is programmed in C & C++. Develop software and scripts using a variety of programming languages/toolsets/environments including but not limited to POSIX- operating system, Java, SQL, XML, Visual Studio, Eclipse Platform, IEC61131-3 languages, LabVIEW.\nParticipate in conceptual design of safety/control systems to define system requirements, computer system architecture/design, product /tool technologies and evaluate system performance and reliability.\nEvaluate computer vendor products and prepare procedures/guides for implementing such products into computer software design, development and V&V processes.\nPrepare requirements and develop tools for test/development systems as needed for production of safety critical software.\nInterface with various engineering disciplines, suppliers, and other divisions within the company.\nManage assigned work effectively, including prioritizing, executing, managing schedule and budget and reporting to meet project goals.\nPreparation of system/software change request for modifications to existing systems/software.\nAbout you\nHonours degree in a relevant field of engineering from a university of recognized standing.\nSoftware development experience for QNX Operating System 7.0+ and developing GUI applications using QT 5 & 6 is required.\nExperience with Object Oriented Design and UML is highly desirable.\nExperience with using and configuring static code analyzers (linting tools) is highly desirable.\nExperience with databases such as MyQSL, SQLite, or PI is desirable.\nExperience with virtualization and tools such as VMWare is desirable.\nExperience with industry and/or international I&C/software standards is considered an asset.\nStrong background in computer hardware is considered 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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