Accessibility Links

Search for jobs

Or browse jobs

Mechanical Engineer

  • Job reference: AE-000199
  • Sector: Energy, Nuclear
  • Location: Oak Ridge
This vacancy has now expired

Why not...

We're committed to:
Transforming the potential of existing and new infrastructure and technology to improve lives through safer, cleaner and smarter energy.

If you're interested in providing clients with:

Power, Nuclear, Renewables and Future Energy expertise

We want to talk to you!
Our talented teams design complex new schemes, assure the longevity and integrity of existing infrastructure and deliver trusted, innovative advice critical to the success of the global energy market.

Power and electrical
Expertise in thermal generation and power networks is helping our clients address the need for secure, affordable and renewable energy sources. There's a world of opportunities here for people who want to start or develop their career in this exciting sector.

Our mission is to improve lives through nuclear energy, providing clients with nuclear new build, fuel enrichment, nuclear design, generation, decommissioning, waste management and defense.

We've got experts who offer all kinds of solutions in all aspects of offshore renewable energy technology. And we're passionate about spearheading the move towards a low carbon economy - we'll do it by making clean energy sources safe, reliable and cost effective. There’s plenty of potential to apply your skills in this fast moving market.
Atkins is one of the world’s most respected design, engineering and project management consultancies. We build long-term trusted partnerships to create a world where lives are enriched through the implementation of our ideas.

We work together across an international network of offices. This means that wherever in the world a project is being delivered, our clients benefit from industry-leading expertise, as well as a dedicated local contact. We understand the importance of having deep roots in the community; knowing and understanding local requirements, practices and culture. This allows us to be true collaborative partners with our clients, so that together, we can tackle complex projects and enhance communities throughout the U.S. and around the world.

Making a positive impact on the built and natural environment takes more than just skill - it takes heart. If you put your heart into everything you do, come join our team.
On joining the Atkins’ Nuclear business, you’ll be an integral part of a team specializing in taking on the most challenging engineering projects and opportunities from technical leadership to project management. Existing relationships with major clients offer us a stimulating variety of work within a team which is rapidly developing to meet the challenge of sustainable growth and innovation in the energy industry.

Atkins Nuclear Solutions US is currently seeking a Mechanical Engineer to join the nuclear team in Oak Ridge, TN.

Job Description

Engineer shall assist the Project Office in performing a comprehensive review of the Contractor’s final design and provide documented feedback regarding the design’s adequacy.

Performs a variety of engineering calculations using traditional engineering methods to document compliance with project and code requirements, which may include stress calculations, limits and fits and equipment sizing.

Generates and is fully conversant with drawings, layout drawings, arrangement, assembly and detail drawings, specifications and data sheets.

Assists in the preparation and approval of design documents and plant modifications, including supervision of designers in document development in accordance with approved procedures, processes and design requirements.

Provides technical expertise and guidance to develop, manage and implement engineering analysis, activities and programs to identify and resolve equipment and system problems.

Familiar with national codes and standards appropriate to the Mechanical Engineering discipline.

Ensures relevant design criteria, specifications, practices, procedures and codes and site design and safety and licensing basis are used in preparation of design media.

Interfaces with staff, within the team and supporting sub-contractors to ensure work is completed in a safe and efficient manner, ensuring that safety is an integral element embodied in equipment design and specification.

Works in multi-discipline teams on project-based work and ensures integration of design across multiple disciplines.

Performs checking to ensure accuracy of design media in accordance with company policies and procedures and client expectations.

Works to assigned schedules ensuring the accuracy, completeness and timeliness of work and initiates corrective measures to overcome delays.

Understands, complies and is responsible for working to environmental health and safety policies and procedures and attends meetings as required. Provides supervision and leadership to members of the design team, commensurate with seniority.

Recommends new equipment, concepts and techniques to improve performance, simplify design, reduce costs, correct design flaws or to comply with changes in client requirements, codes or regulations.

Staff will be required to provide stand-alone design review reports and integrate their reports into the overall UPO FDR reports. All reports wil use the standard UPO documentation formats.

Documentation would include comments, interview notes, issue statements, conclusions and sections of the overall UPO FDR assessment report.

Support a comprehensive review of the contractors final design and provide documented feedback regarding the design adequacy. At a summary level, the final design review seeks to verify that the program can be safely operated and will be able to meet the Key Performance Parameters (KPPs) stated in the program requirements document (PRD). A detailed FDR review plan will be prepared, approved and implemented.

Documents to be reviewed include but are not limited to: design analysis calculations, safety integrity level calculations, piping & instrument drawings, ventilation & instrumentation diagrams, DOORS input design and testing, model primary input documents, piping & instrumentation diagrams, design criteria, 3D models, quality level determinations, material requisitions, equipment and material specifications, procurement documents, commercial grade dedication plans, program and system requirement documents (redacted), facility interlock controls and safety basis documents.

Provides technical, program analysis, or engineering support and in-depth Subject matter expertise.

Serves in a key technical role.

Develops, reviews, and provides technical guidance regarding policies, plans, orders, and documentation.

Conducts research, performs analyses, and provides input to reports, plans, and briefings.

Work performed under this task may require the contractor and its personnel to gain access to classified and restricted DOE/NNSA data, systems, and facilities. For this reason, the contractor personnel may be required to obtain and maintain and possess a DOE/NNSA Q Clearance.

Job Requirements/Skills

Must be able to interface with government program representatives on high-level technical and project issues.

Ability to successfully make quick decisions and meet goals while working under severe time constraints

Demonstrated ability to be creative with a keen attention to detail

Strong communication skills

Advanced computer skills, including the use of Mechanical Equipment design software and Microsoft Office

Detailed knowledge in functional discipline and its practical application

Detailed knowledge of industry codes and regulations

Required Experience

12 years of experience in Engineering

Experience working on nuclear design and construction projects.

Experience working within the Dept. of Energy Complex

Must demonstrate the ability to review design calculations, drawings, specifications and requirements to determine validity of the project design.

Must demonstrate relevant experience in mechanical systems.


Bachelor's degree required, Advanced degree preferred

Preferred Experience

Expert knowledge on the preparation of critical design (CD) packages and compliance with DOE O 413.3B requirements and processes is preferred

14 years of industry related experience

Knowledge and experience with technologies and systems expected to be used at UPF or from other DOE projects

Knowledge and experience of uranium processing


None required but PE preferred

Due to current law, and in conjunction with the advertised position’s scope of work, candidates that are Non-US citizens are required to be submitted for further approval to the NNSA before being considered for hiring purposes. In addition, any candidates with dual citizenship in the US and another country must undergo further review for approval by the NNSA. Proof of citizenship will be requested upon receipt of application/resume.
Atkins offers its employees a robust rewards package which includes: a competitive salary; a broad benefits package including medical/RX, dental, vision, life, disability, legal, hospitalization and other valuable voluntary options; generous time-off programs; flexible work schedules; 401(k) with employer match; professional and career development opportunities through our corporate university, as well as a highly-regarded tuition reimbursement program; and an unmatched culture focused on client-service, quality, and tireless pursuit of excellence in all we do. Atkins is an EOE/Minorities/Females/Vet/Disability employer committed to diversity in the workplace. Atkins is a drug free workplace.

Please view Atkins Equal Opportunity Statement here:

Our people