Mechanical Engineer

Job Title: Mechanical Engineer

Job Description

This role involves developing mechanical and physical concepts, designing, and supporting the development of processes to create or identify systems, structures, and components (SSCs) for use in nuclear products or facilities, with a focus on nuclear safety.

Responsibilities

• Develop and refine mechanical/physical concepts and designs.
• Identify, collect, and document applicable requirements and design basis.
• Plan and perform analyses to assess SSCs to ensure they meet technical specifications.
• Perform computations using hand calculations and analytical tools.
• Specialize in areas such as Structural Design, Thermal Hydraulics, Thermosystems, and Mechanical Design.
• Perform structural analysis for reactor components using FEA simulation software and engineering judgment.
• Provide heat transfer, fluid mechanics, and particulate mechanics analysis.
• Develop, test, and verify CFD models for reactor licensing basis.
• Conduct system-level thermodynamic analyses and process design.
• Support sizing and analysis of components like heat exchangers and pumps.
• Develop reactor and plant control philosophy and implement in simulations.
• Create and maintain CAD-generated engineering models of reactor SSCs.
• Write and develop design documentation.
• Develop Verification and Validation plans for analytical tools.
• Provide independent and acceptance reviews of engineering deliverables.

Essential Skills

• Bachelor’s degree in mechanical engineering or related discipline from an accredited institution.
• Proficiency with engineering hand calculations.
• Experience in thermodynamics, mechanical design, or structural analysis.
• Use of 1D flow-solvers and CFD analysis codes.
• Hands-on experience in developing and delivering hardware or manufacturing processes.
• Experience with CAD and PLM software.
• Analytical experience with structural FEA software.

This is a Contract position based out of Oak Ridge, TN.

The pay range for this position is $40.00 - $80.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Oak Ridge,TN.

This position is anticipated to close on Mar 30, 2026.

Diversity, Equity & Inclusion

At Actalent, diversity and inclusion are a bridge towards the equity and success of our people. DE&I is embedded into our culture through:

• Hiring diverse talent
• Maintaining an inclusive environment through persistent self-reflection
• Building a culture of care, engagement, and recognition with clear outcomes
• Ensuring growth opportunities for our people

Actalent is an equal opportunity employer.

About Actalent

Actalent is a global leader in engineering and sciences services. For more than 40 years, we’ve helped visionary companies advance their goals. Headquartered in the United States, our teams span 150 offices across North America, EMEA, and APAC—with four delivery centers in India led by 1,000+ extraordinary employees who connect their passion with purpose every day.

Our Bangalore, Hyderabad, Pune, and Chennai delivery centers are hubs of engineering expertise, with core capabilities in mechanical and electrical engineering, systems and software, and manufacturing engineering. Our teams deliver work across multiple industries including transportation, consumer and industrial products, and life sciences. We serve more than 4,500 clients, including many Fortune 500 brands. Learn more about how we can work together at actalentservices.com.