Careers – Longenecker & Associates


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Engineer (Chemical, Electrical, and Mechanical)

Job Title
Engineer (Chemical, Electrical, and Mechanical)
Job ID
Aiken,  SC 29808
Other Location
Longenecker & Associates (L&A) seeks a motivated Engineer to contribute to our mission supporting our work at
Savannah River Mission Completion in Aiken, SC.

L&A is a woman-owned small business and trusted partner enabling critical missions across the U.S. Department of Energy (DOE) complex for more than 30 years. We contribute to DOE’s nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts.

L&A is unconditionally committed to mission success and the well-being of employees, the nation and the environment. Our team members are passionate about building a healthier environment for generations to come. We are a community that interfaces and effectively communicates with all levels of management and government. If you have a passion for excellence, seek opportunities to engage in mission critical work, and consistently exceed expectations, apply now to join our professional family.

The Engineer will provide support to
our mission supporting our work at Savannah River Mission Completion. This support will be for the Liquid Waste project through the US Department of Energy's Office of Environmental Management (DOE EM). 
Support is needed across multiple engineering disciplines. We are seeking candidates in Electrical I&C, Chemical, and Mechanical. Selected candidates will work in the facility engineering group supporting all projects (DWPF, SWPF, Tank Farms, and SDU). 

The main duties include, but are not limited to:
  1. Provide support to the facility engineering staff as a field / system engineer for facility operations.
  2. Interface and coordinate with other engineering disciplines (e.g., Project Engineer, Process Engineer Design Authority, etc.), maintenance, and operations and the DOE customer rep to support system operations.
  3. Design and upgrade facility systems and components.
  4. Review and approve system design changes / modifications.
  5. Oversight of assigned system operations, testing, and maintenance.
  6. Review changes to the plant configuration (i.e., modifications, design change notices) to determine impact to design of the facility, safety basis assumptions or analysis, facility operations, and facility operating procedures.
  7. Ensuring operation of assigned system is within established operating limits and safety analysis.
  8. Implement and work to the authorization basis documents in a nuclear facility.
  9. Perform or assist with hazard analysis of assigned system.
  10. Adhere to and implement client’s Conduct of Engineering (COE) Program.
  11. Perform Engineering Evaluations of equipment and systems for performance, safety, and deficiencies.
  12. Perform calculations and develop engineering calculation reports.
  13. Provide system health reports, design studies, (e.g., root cause analysis, new design development), identify life-cycle cost reductions, and assist with developing integrated technical positions and recommendations for customer approval.
  14. Provide support to resolve any corrective actions or deficiency identified in the corrective action tracking system related to engineering assignments.
  15. Develop design details, design or analysis calculations, specifications, safety documentation, etc. that incorporate the applicable design and national code requirements, including nuclear safety requirements, as applicable.
  16. Interface and coordinate with other engineering disciplines (e.g., Project Engineer, Process Engineer, Design Authority, etc.), maintenance, and operations and the customer to support system operations.
Bachelor’s Degree or greater in Engineering. 

  • 3-10 years of Engineering experience. Acceptable fields include: Chemical, Electrical, and Mechanical. 
  • Ability to obtain and maintain a DOE Q Clearance with Weapons Data access.
  • Ability to work in a diverse work environment,
  • Satisfactory results of a pre-employment screening, which includes a background check and drug screening.
  • Ability to fulfill and promote L&A core values.

Desired Qualifications 
  • DOE experience is preferred. 
  • Design Authority experience preferred. 
  • Field Engineering experience preferred. 

Savannah River Mission Complete - Aiken, SC. Positions will be on-site.  

Successful candidates will be able to perform the essential functions of the job with reasonable accommodation. This job posting reflects management’s assignment of essential functions and the descriptions listed do not restrict management’s right to assign or reassign duties and responsibilities to this job at any time. 

Work Hours:
A 40-hour work week is scheduled consisting of a 4/10 schedule. 

As an L&A employee, you will be eligible for a competitive salary as well as a comprehensive benefits package including healthcare (medical and dental), 401K plan, and paid time off. We believe in investing in our employees beyond compensation and as an L&A employee, you will have access to in-house training, career pathing, mentoring, award programs, tuition reimbursement and much more.

L&A is an Equal Opportunity Employer and all qualified applicants will receive consideration for employment regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin, age, or status as a qualified individual with a disability or protected veteran.

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