Job Description
** Johnson Service Group (JSG) is a nationally recognized professional staffing and recruiting firm that is looking for an degreed Mechanical Engineer SR to fill a eighteen-month contract assignment in the Birmingham, AL area. This is a temporary position.
On Site only.
New Candidates only.
Please send me your resume to lmccarron@jsginc.com
Rates: $84.00- $86.00 per hour
Per diem is available if you qualify
US Citizenship required.
This position may require some bending, lifting, climbing, prolonged sitting, prolonged walking, walking on gravel or crawling when necessary.
Job Title: Mechanical Engineer SR 3
Work Location: Birmingham, AL
We are currently pursuing Extended Power Uprates (EPU) for PWR and BWR units. For these projects we are currently developing Design Input Requests (DIRs) to support analysis by external Architect-Engineer firms to assess the plant under EPU conditions to support the license amendment and potential plant modifications. We will be receiving Task Reports detailing the results of these analyses which will undergo validation through owner acceptance. We are seeking experienced nuclear professionals who can provide technical support throughout the project lifecycle.

Minimum Required Experience
Bachelor's degree in Engineering or related technical discipline preferred.
5+ years of commercial nuclear power plant experience.
Strong understanding of nuclear plant systems, operations, engineering, or licensing processes.
• Ability to work effectively in a multi-disciplinary environment supporting EPU-related activities.
• Familiarity with nuclear plant systems, design processes, operations, or licensing.
• Strong technical writing and communication skills
• Experience at another Boiling Water Reactor (BWR) or Pressurized Water Reactor (PWR) facility.
• Direct involvement in a Power Uprate (EPU or other uprate project) at a commercial nuclear plant.
• Demonstrated understanding of engineering, operations, or licensing considerations associated with power uprate implementation.
The ideal candidate would possess several of the following qualifications:

SNC Fleet Experience
• Previous experience supporting Plant Hatch operations, engineering, design, licensing, or modifications.
• Previous experience supporting Plant Vogtle Units 1-2 operations, engineering, design, licensing or modifications.
• Familiarity with plant systems, procedures, and configuration management processes in the SNC fleet.

Operations Background
• Prior experience in nuclear plant operations, including system operation, troubleshooting, procedure use, and plant response.
• Ability to evaluate engineering changes from an operational perspective.

Engineering Design / Systems Engineering
• Experience preparing or reviewing engineering analyses, calculations, design changes, design input documents, or technical reports.
• Strong systems engineering background with knowledge of plant system interactions and performance.
• Experience with power uprate projects particularly in Engineering and Design Basis.

Licensing Experience
• Experience supporting nuclear licensing activities, regulatory evaluations, or NRC submittals.
• Understanding of licensing impacts associated with plant modifications and power uprate projects.

If SNC experience is not available, candidates with the following background would also be highly desirable:

• Experience at another Boiling Water Reactor (BWR) or Pressurized Water Reactor (PWR) facility.
• Direct involvement in a Power Uprate (EPU or other uprate project) at a commercial nuclear plant.
• Demonstrated understanding of engineering, operations, or licensing considerations associated with power uprate implementation.

Experience & Requirements:
20+ years of related experience.
An accredited bachelor's degree in mechanical engineering
A professional engineer license is desired.

Skillsets and Expertise
• Significant experience with design of new construction and/or retrofit of power generation or heavy industrial facilities
• The ability to take the lead role for detailed design activities
• Extensive knowledge of mechanical engineering design principles
• Proficiency with applicable codes, standards and regulatory requirements
• Experience in development, preparation and checking of P&IDs
• Experience with overall design and layout of piping systems
• Pipe sizing and routing, material selection
• Pipe support design
• Equipment selection
• Preparation of inquiry packages/data sheets
• Specification of tanks, pumps, and balance of plant equipment
• Experience with hydraulic calculations.
• Pipe-Flo (or similar software) experience is preferred
• Significant working knowledge of processes equipment including piping, valves (manual/control/relief), pumps, pressure vessels, and heat exchangers
• Experience with relief valve and control sizing
• The ability to build effective relationships with plant staff, design engineering staff and/or vendors.

Job responsibilities include
• Mechanical engineering designs on small and medium retrofit, environmental and new generation projects
• Leading in conducting mechanical design activities including pipe sizing and routing
• Material selection
• Pipe support design
• Valve selection
• P&ID development
• Equipment layout
• Equipment specifications
• Hydraulic calculations
• Developing datasheets for valves and other equipment
• Providing technical direction to designers
• Developing project scopes
• Schedules and budgets
• Making sound independent decisions with minimal information
• Assisting in checkout and startup of systems when necessary

Is this position supporting a government-related project? No
Does this position require driving (excluding commute)? Yes
Does this position require personal protective equipment (PPE)? No
Estimated Start Date: 09/29/2026
Estimated Duration of Job Assignment: 03/31/2028

JSG offers medical, dental, vision, life insurance options, short-term disability, 401(k), weekly pay, and more. Johnson Service Group (JSG) is an Equal Opportunity Employer. JSG provides equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, marital status, protected veteran status, or any other characteristic protected by law. #D650