Senior Engineer
RSI EnTech, LLC
Company Overview
RSI provides full-service environmental and nuclear solutions supporting clients through all phases of cleanup, nuclear operations and security, and facility lifecycle management. Built on a strong foundation of collaboration and a people-first culture, RSI delivers safe, technically sound solutions that help clients achieve mission success in the nation's most complex environments.
RSI is part of the ASRC Industrial Services family of companies unified by purpose to deliver safe, reliable solutions to our clients’ unique challenges. We are committed to providing technically superior service, adding value at every stage, and leaving things better than we found them.
Job Summary:
We are seeking an experienced engineer to support the Y-12 Project Management Office (PMO) in monitoring and assessing the technical quality, progress, and execution of major capital construction projects. This role provides independent engineering oversight throughout project planning, design, procurement, construction, testing, and commissioning activities, with significant involvement supporting the Lithium Processing Facility (LPF) project.
The successful candidate will serve as a technical resource to project management personnel, participate in design reviews, evaluate engineering solutions, and design changes, support the Request for Information (RFI) process, and provide objective assessments of project execution and technical risk.
Requirements and Education:
- Bachelor’s degree in engineering from an accredited institution.
- Minimum 10 years of engineering experience supporting large construction or capital projects exceeding $10 million in value.
- Minimum 5 years of experience supporting nuclear, chemical, or similarly regulated industrial facilities.
- Demonstrated oral and written communication skills, including the ability to effectively brief senior management and technical stakeholders.
- Self-motivated, initiative-taking professional capable of working independently in a dynamic project environment.
- Engineering Review and Technical Assessment
- Evaluate engineering analyses, designs, specifications, calculations, and design changes for technical adequacy, regulatory compliance, and conformance with engineering standards and project requirements.
- Analyze complex technical issues and evaluate alternative solutions to support effective decision-making and risk mitigation.
- Serve as a technical resource in support of project planning, execution, and problem resolution activities.
- Design Oversight and Configuration Management
- Monitor engineering and design activities throughout project development, including participation in 30%, 60%, and 90% design reviews.
- Assess design products for quality, completeness, constructability, and compliance with applicable codes, standards, and project requirements.
- Evaluate configuration management processes to ensure design integrity and control throughout the project lifecycle.
- Project Execution Oversight
- Monitor procurement, fabrication, construction, installation, testing, and commissioning activities to verify compliance with approved design requirements and quality standards.
- Support assessment of contractor engineering processes, technical performance, and project execution practices.
- Systems Engineering and Quality Assurance
- Working knowledge of systems engineering principles, including requirements development, requirements flow-down, interface management, verification, and validation.
- Working knowledge of quality assurance requirements applicable to nuclear facilities, including implementation of NQA-1 principles in design, procurement, construction, and testing activities.
- Working knowledge of applicable engineering codes, standards, and regulatory requirements.
- Engineering Experience
- Demonstrated experience developing or reviewing facility, process, utility, and support-system designs, including drawings, calculations, specifications, design modifications, and test documentation.
- Recognized engineering professional capable of exercising sound technical judgment with a high degree of autonomy and responsibility.
- Experience performing technical evaluations, studies, investigations, and analysis supporting project or facility operations.
Preferred Requirements and Education:
- Experience supporting Department of Energy (DOE), National Nuclear Security Administration (NNSA), Nuclear Regulatory Commission (NRC), or other federal capital projects.
- Experience with nuclear safety and safety basis documentation, including hazard analysis, documented safety analysis (DSA), technical safety requirements (TSRs), fire hazard analysis, and criticality safety analysis.
- Deep design engineering experience associated with major facility or process-system projects.
- Experience supporting project management, engineering, or owner organizations in oversight roles.
- Willingness to support a broad range of PMO activities and special assignments as project needs dictate.
Clearance and Health Regiments
- Criminal Background Check
- Pre-placement Drug Screening
EEO Statement
RSI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, gender, color, age, sexual orientation, gender identification, national origin, religion, marital status, ancestry, citizenship, disability, protected veteran status, or any other factor prohibited by applicable law.
- ...Senior Vacuum Systems Engineer Join an advanced technology programme developing next-generation laser-based uranium enrichment systems. This is a rare opportunity to work at the forefront of nuclear innovation, designing highly specialised vacuum and gas handling systems...SeniorFull timeRelocation package
- ...Senior Mechanical Design Engineer Location: Onsite in Oak Ridge, TN Clearance: Ability to obtain and maintain a DOE Q clearance Job Summary The Senior Mechanical Design Engineer in FMD provides mechanical engineering expertise to support the design and execution...Senior
- ...Electrical Engineer (Instrumentation & Embedded Systems) Cryomagnetics, Inc. | Oak Ridge, TN | Full-time, on-site About Cryomagnetics We've built superconducting magnets and cryogenic systems in Oak Ridge for more than 40 years. Our systems end up in universities...SeniorFull timeWork at officeWorldwideDay shift
- ...Roles and Responsibilities Perform structural engineering and design for complex nuclear and industrial facilities. Develop and evaluate structural systems with a focus on seismic qualification, seismic isolation, and dynamic analysis. Perform structural calculations...SeniorContract work
- ...AMETEK is a leading global provider of differentiated electronic instruments and electromechanical devices. The Senior Electrical Engineer will be responsible for the electronic design and development of Ortec brand nuclear instrumentation and measurement systems used...SeniorLocal area
- Description The Senior Quality Engineer is responsible for implementing, monitoring, and improving the Quality Management System (QMS) and related QA processes to support organizational productivity and customer satisfaction. This role involves data analysis, corrective...SeniorContract workWork experience placementWork at office
- ...Senior Quality Engineer Primary Location US-TN-Oak Ridge ID 2026-4817 Category Quality Assurance/Quality Control Position Type Regular Full-Time Remote No Overview Longenecker & Associates (L&A), a Geosyntec...SeniorFull timeContract workFor contractorsRemote work
- ...Navarro Research and Engineering is recruiting for a Senior Mechanical Design Engineer in Oak Ridge, TN. Navarro Research & Engineering is an award-winning federal contractor dedicated to partnering with clients to advance clean energy and deliver effective solutions...SeniorContract workTemporary workFor contractors
$109k - $175k
...Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence,... ...for our customers and communities. We are currently seeking a Senior Civil Engineer to support our Oak Ridge, TN office. The Senior...SeniorHourly payContract workFor contractorsWork at officeLocal areaRemote work- Kforce has a clienty in Oak Ridge, TN that is seeking a Senior Mechanical Engineer responsible for design, layout, installation, and maintenance of piping systems and associated supports. This role will support the overall design and analysis of mechanical components,...SeniorTemporary work
- ...Job Description Electrical Engineer (Instrumentation & Embedded Systems) \n Cryomagnetics, Inc. | Oak Ridge, TN | Full-time, on-site \n About Cryomagnetics \n We've built superconducting magnets and cryogenic systems in Oak Ridge for more than 40 years. Our...SeniorFull timeWork at officeWorldwideDay shift
$160k - $180k
...Senior Reactor Fuel Engineer – Irradiation & Fuel Qualification Oak Ridge, TN | $160K–$180K | Relocation Available Lead the Experimental Program Behind Advanced Reactor Fuel Qualification The Opportunity Take ownership of the irradiation, post-irradiation...SeniorRelocation$84.76k - $129.5k
...full-time (5 days/week) on-site position at TRISO-X Fuel Fabrication Facility in Oak Ridge, Tennessee. This is a senior level mechanical engineering position that will provide you with a variety of interesting and challenging responsibilities. We are looking for...SeniorHourly payFull timeLocal areaWorldwideFlexible hours- Kforce has a client in Oak Ridge, TN that is seeking a Senior Structural Engineer. Responsibilities: * Designing, developing, testing, and overseeing the construction and maintenance of infrastructure projects * Overall design and analysis of safety and non-safety related...SeniorTemporary work
- ...Job Description Job Description OVERVIEW PROCESS is currently seeking one individual for the position of Senior Energetics Materials Process Lead Engineer to perform process engineering and design projects related to both government (Dept of Defense) and commercial...SeniorWork at office
$160k - $180k
...Senior Fuel Design Engineer Oak Ridge, TN | $160K–$180K | Hybrid | Relocation Available Shape the Fuel Design Behind an Advanced Nuclear Reactor The Opportunity If you’re an experienced design engineer seeking greater technical ownership, this role puts you...SeniorRelocationRelocation package$90k - $173k
...Job Description Overview We are seeking a Senior Piping Engineer to join our team in a fully remote capacity. This position is aligned with our Oak Ridge, TN office and offers the opportunity to contribute to innovative nuclear and commercial projects. The ideal...SeniorPermanent employmentFull timeTemporary workWork at officeRemote workFlexible hours$90k - $173k
...Job Description Overview We are seeking a Senior Structural Engineer to join our team in a fully remote capacity. This position is aligned with our Oak Ridge, Tennessee office and offers the opportunity to contribute to complex nuclear and commercial infrastructure...SeniorFull timeTemporary workWork at officeRemote workFlexible hours- ...Principal Mechanical Engineering Specialist - Nuclear We are seeking an experienced Principal Mechanical Engineering Specialist to lead the mechanical design, scale-up and industrialisation of highly specialised vacuum and process equipment within an advanced technology...Full timeFor contractors
- ...demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a...SeniorFor contractorsWork at officeLocal areaWorldwideHome officeFlexible hours
$160k
...Principal Mechanical Engineering Specialist - UF6 Separator Design & Industrialization Key Responsibilities ~ Lead the design, build, scale-up, and industrialization of a specialized vacuum system at the core of our CRISLA UF6 enrichment process. ~ This role will...Full timeFor contractorsRelocation packageMonday to Friday- ...project and contract management for Professional, Technical, Engineering, IT and Support Services. We offer full benefits to include: Medical... ...Off, 401K - Company Matched. Duties This position is a senior level position where the incumbent is fully responsible for...SeniorFull timeContract workWork at office
- Position: Senior Electrical Design EngineerLocation: Onsite in Oak Ridge, TNClearance: Ability to obtain and maintain a DOE Q clearanceJob SummaryThe Senior Electrical Design Engineer in FMD provides electrical engineering expertise to support the design and execution of...Senior
$150k - $170k
...your expertise sits at the intersection of statistics, uncertainty quantification, materials qualification, and safety-critical engineering, this role offers the opportunity to apply it to a next-generation nuclear fuel program. NANO Nuclear Energy is seeking a Principal...Relocation- ...for consideration.The Field Intelligence Operations Division invites candidates to apply to join the team as a Senior High Performance Computing (HPC) Engineer for Classified Computing to lead the design, implementation, and management of HPC systems within a classified...SeniorWork at officeRelocation packageFlexible hours
- Requisition Id 16991 Overview:The Field Intelligence Operations Division (FIOD) of the National Security Directorate (NSSD) is seeking a Senior Engineer for a Classified High Performance Computing (HPC) Storage & Infrastructure role, helping shape the secure, high-performance...SeniorWork at officeRelocation packageFlexible hours
- ...deliver the essential building blocks of nuclear power—enabling cost-effective, safe, and secure energy for the world.The Supply Chain Engineer supports Standard Nuclear's manufacturing and engineering organizations by translating technical requirements into executable...Permanent employmentWork at office
- ...The I&C Engineer will be responsible for supporting the instrumentation and controls (I&C) through detailed design, build and testing of the I&C according to the design requirements. Responsibilities I&C design for process systems (controls, instrumentation, data...Temporary workWork at office
- ...8, Burns & McDonnell is an award-winning firm specializing in engineering, architecture, construction, environmental, and consulting services... ..., communities, and individual wealth. We truly are owners.The Senior Civil Engineer will lead civil design project teams in Oak...SeniorFor contractorsWork at officeLocal areaRemote workFlexible hours
- ...8, Burns & McDonnell is an award-winning firm specializing in engineering, architecture, construction, environmental, and consulting services... ..., communities, and individual wealth. We truly are owners.The Senior Mechanical Engineer will work on project teams in Oak Ridge,...SeniorFor contractorsWork at officeLocal areaRemote workFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Engineer. Be the first to apply!
- senior devops engineer remote Oak Ridge, TN
- senior vmware engineer Oak Ridge, TN
- senior implementation project manager Oak Ridge, TN
- senior consulting engineer Oak Ridge, TN
- senior collaboration engineer Oak Ridge, TN
- senior manager accenture Oak Ridge, TN
- senior international accountant Oak Ridge, TN
- senior human factors engineer Oak Ridge, TN
- senior scientific director Oak Ridge, TN
- senior ux designer remote Oak Ridge, TN






