NOTE: This is a 40 hour/week contract position expected to last through 2027. Work may be performed remotely within the contiguous United States, with travel as needed for business needs. POSITION SUMMARY: Plant Systems Engineering team focuses on the design and integration of the Balance of Site (BOS) systems in the power plant utilizing Seine Client SMRs. Mechanical Engineer in Plant Systems Engineering develops design requirements for the BOS mechanical systems and provides oversight and technical support to Seine’s Client design partners in developing the system designs for projects. The engineer will work closely with multi‑discipline teams (both internal and external) to resolve design challenges, plans and execute work to support project scope. ESSENTIAL DUTIES AND RESPONSIBILITIES: Supports the development of design requirements and the integration of BOS system designs into the overall plant architecture Provides technical oversight and support to Seine’s Client design partners in developing the BOS system designs for projects. Prepares and reviews technical documents as required to support project work. Plans, organizes, and performs complex assignments in a team environment. Engages and collaborates with internal and external stakeholders to promote effective coordination of design activities and resolution of technical problems. Performs other duties as assigned. Quality Assurance: Commits to the understanding and implementation of quality assurance regulations, standards, and guidelines of 10 CFR 50 Appendix B, 10 CFR 21, and NQA-1. MINIMUM SKILLS, QUALIFICATIONS AND ABILITIES: Education/Certification: A minimum of a B.S. degree in Mechanical Engineering or other related engineering and technical disciplines from a four-year accredited college or university is required. An active PE license in applicable engineering discipline is desirable but not required. Experience: Minimum 5 years of relevant full-time professional experience, or minimum 3 years with an advanced degree. Specific areas of knowledge and experience desired, but not limited to the following: Design and operation of balance of plant process and fluid systems (e.g., HVAC, radioactive waste systems, feedwater, main steam, water systems, etc.) and mechanical components (e.g., pumps, valves, heat exchangers, steam turbines, condensers, piping, etc.), preferably in the nuclear power plant or other industrial facility Understanding of thermal-fluid systems, hydraulic analyses, and heat balance model Understanding of NRC regulations and guidelines related to nuclear systems, radioactive waste systems, and balance of plant systems Understanding of applicable industry codes and standards, and best practice guidelines such as ASME BPVC, EPRI, etc. Experience in preparation and review of engineering design work products such as P&IDs, process flow diagrams, system hydraulic and equipment sizing calculations, design specifications, equipment specifications, engineering reports and studies, etc. Experience reviewing and managing engineering deliverables from contractors, suppliers, and consulting organizations Industry Requirements: Eligible to work under Department of Energy 10 CFR Part 810. | 
