Senior Process/Chemical Engineer - Remote

Job Description Overview We are seeking a Senior Process/Chemical Engineer – Energy – Remote. This remote position is based out of our Oak Ridge, TN office. Your role AtkinsRéalis US Nuclear is the subsidiary of AtkinsRéalis focused on serving government and commercial clients within the Nuclear sector in the United States. We are focused on being recognized as a premier nuclear solutions company in the United States, delivering engineering, operations, and project management services. Serves both legacy and new build nuclear clients who are designing, building, upgrading, operating and maintaining nuclear power generation and fuel cycle assets. We are a growing business, building on the foundation of our US government fuel cycle business, our international position as an Original Equipment Manufactor (OEM) and nuclear reactor technology provider, and our world-wide nuclear new build and legacy nuclear fleet maintenance experience. Executes Small Modular Reactor and nuclear fuel cycle facility projects. Develops and conceptualizes system architecture, flow diagrams, and piping/instrumentation diagrams (P&IDs) for nuclear facilities, auxiliary systems, or fuel cycle models. Performs rigorous evaluations to ensure that systems, structures and components maintain chemical safety, criticality controls, radiation shielding, and defense-in-depth principles under normal and off-normal conditions, including accident scenarios. Ensures that all engineering designs align with local, state, and federal standards, including DOE or NRC regulations. You select, test, and specify mechanical components, valves, and vessels to ensure they withstand highly regulated and hazardous environments. Evaluates test or validation data to improve the efficiency of existing nuclear facilities. Develops key design deliverables such as Process drawings, Process Flow Diagrams and Process & Instrumentation Diagrams/Engineering Flow Diagrams. Prepares, checks and/or approves calculations including mass, energy and flow balances, and pipe and equipment sizing. Prepares engineering documents such as specifications for process equipment. Ensures that design deliverables are of a high standard and compliant with relevant standards, regulations and customer specific standards, including nuclear quality assurance standards. Ensures that design consultants and sub-contractors deploy suitably qualified and experienced personnel. Produces documentation that is technically accurate, grammatically correct, correctly formatted and professionally presented. Develops resolutions to complex problems or technical issues and ensure necessary change control is implemented. Works independently receiving only minimal guidance. May act as a resource for other colleagues with less experience. Performs other duties as assigned. About you Bachelor's degree in Chemical Engineering or related field. Minimum of five (5) years post-baccalaureate experience. Previous experience providing engineering support to nuclear facility design, construction or operations. Strong communication skills in a challenging, multi-tiered environment. Strong organizational skills. Knowledge of key NRC regulations, design codes and standards for commercial nuclear facilities required. Knowledge in the use of related design software codes, including process simulation software. Professional Engineering (PE) License preferred. Design of Commercial and Department of Energy nuclear reactor projects. Design of Commercial and Department of Energy nuclear fuel cycle facilities. Nuclear Steam Supply System (NSSS) Original Equipment Manufacturer (OEM) experience. Must be a U.S. citizen in order to be considered. Rewards & benefits At AtkinsRéalis, our values—Safety, Integrity, Collaboration, Innovation, and Excellence—are more than just words. They are the foundation of who we are and how we work. These principles shape our culture, guide our decisions, and inspire us to create an environment where every team member feels empowered to grow, succeed, and make a meaningful impact. Depending on your employment status, AtkinsRéalis benefits may include medical, dental, vision, company-paid life and short- and long-term disability benefits, employer-matched 401(k) with 100% vesting, employee stock purchase plan, Paid Time Off, leaves of absences options, flexible work options, recognition and employee satisfaction programs, employee assistance program, and voluntary benefits. You can review our comprehensive benefits page here . About AtkinsRéalis We'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. Find out more. Additional information Expected compensation range is between $90,000-$150,000 annually depending on skills, experience, and geographical location. Are you ready to expand your career with us? Apply today and help us shape something extraordinary. AtkinsRéalis is an equal opportunity, Drug-Free employer EOE/Veteran/Disability Please review AtkinsRéalis’ Equal Opportunity Statement here . AtkinsRéalis cares about your privacy and is committed to protecting your privacy. Please consult our Privacy Notice our Careers site to know more about how we collect, use and transfer your Personal Data. By submitting your personal information to AtkinsRéalis, you confirm that you have read and accept our Privacy Notice. Note to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency. https://careers.atkinsrealis.com/recruitment-agencies #LI-Remote Worker Type Employee Job Type Regular At AtkinsRéalis , we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.