Join Our Mission

At Omega Technical Services, every role supports a mission that matters. Whether you're advancing national security, driving innovation in nuclear infrastructure, or supporting critical DOE and DoD operations, you’re part of something bigger here.

Omega Technical Services is seeking a highly motivated Mechanical Principal Engineer to support ongoing operations in Greenville, SC and Houston, TX.

• Provide technical direction to assigned engineers
• Conduct construction document reviews as required
• Plan, organize, and coordinate process / mechanical engineering and multi-disciplined team / design projects while engaged in the planning, design and construction phases of engineering projects including project startup
• Prepare and review calculations and specifications relating to Piping and Instrumentation Diagram (P&ID) development.
• Demonstrate design experience in areas such as, but not limited to mechanical systems and equipment design
• Generate and review the accuracy of design / evaluation calculations, and specifications
• Familiarity with computer aided drafting applications is required

• Bachelor of Science in Chemical or Mechanical Engineering with a minimum of fifteen (15) years of experience (nuclear preferred) in design, estimating, specification preparation, construction document preparation, and related phases of engineering

• Candidate must be a U.S. Citizen
  
• Satisfactory results of a pre-employment screening, which includes a drug and breath alcohol test, along with a Motor Vehicle Record check
  
• Candidate must be able to obtain and maintain a DOE Security Clearance
• Must have a working knowledge of federal (including Department of Energy Orders), state, and local codes and standards applicable to mechanical engineering design

• Possession of an active DOE/DoD clearance within the past two (2) years is preferred
• Previous DOE/NNSA work experience
• Professional Engineer License preferred, but not required

Omega Technical Services is a Service-Disabled Veteran-Owned Small Business and a trusted partner to the Department of Energy, Department of Defense, and other commercial clients, supporting mission-critical projects that shape national security and technological innovation. Our culture is defined by leadership, initiative, and trust. Our values drive meaningful outcomes and long-term impact.

At Omega Technical Services, you’ll work alongside elite subject matter experts who thrive on being challenged, innovation, and collaboration. We offer competitive pay, comprehensive benefits including medical, dental and vision insurance; short and long term disability insurance; 401(k) with a company match; AD&D insurance, paid time off, and holiday pay.  *Based on eligibility requirements. 

When you join Omega Technical Services, you’re not just starting a job, you’re building a career that honors the past, powers today’s progress, and accelerates the most vital missions of tomorrow.

Omega Technical Services is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment regardless of race, color, religion, sex, national origin, age, disability, or veteran status.