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Principal Subject Matter Expert Jobs (NOW HIRING)

WMD Subject Matter Expert

Charlottesville, VA ยท On-site

$90K - $189K/yr

WMD Subject Matter Expert Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% ...

Principal Infrared Sensor Technology Subject Matter Expert 9,550 - 21,008 $ Job Title: Principal Infrared Sensor Technology Subject Matter ExpertJob Category: EngineeringTime Type: Part timeMinimum ...

Cloud Subject Matter Expert Location: Arlington, VA Security Clearance:Secret Duties and Responsibilities The Cloud Subject Matter Expert (SME) supports this Transportation Security Administration ...

The Subject Matter Expert I (SME I) full-time position supports the headquarters staff for a U.S. Federal agency and its stakeholders. In support of the agency's mission, the SME I is a tactical ...

Subject Matter Expert II [Domain: (Analytical, organic or inorganic chemistry experience with extensive knowledge of cosmetics manufacturing industry)] Location: DMV (On-site in metro-based area ...

Description We are seeking a motivated Common Aviation Command and Control System (CAC2S) Subject Matter Expert to join our team supporting the United States Marine Corps. In this role, you will ...

$120K - $155K/yr

Overview Brandes Associates, Inc. (BAI), a defense contractor, is seeking a Subject Matter Expert with 10+ years of experiencefor our expanding workforce supporting current and evolving technical ...

Subject Matter Expert

New York, NY ยท On-site

$150K - $250K/yr

As a Subject Matter Expert, you will be looking to use your legal background to accelerate your career in a new direction. The role will be varied, sitting at the intersection between the product ...

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Principal Subject Matter Expert information

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$36.5K

$109.4K

$182K

How much do principal subject matter expert jobs pay per year?

As of Sep 10, 2026, the average yearly pay for principal subject matter expert in the United States is $109,393.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,000.00 and $125,000.00 per year, depending on experience, location, and employer.

What cities are hiring for Principal Subject Matter Expert jobs?

Cities with the most Principal Subject Matter Expert job openings:

What states have the most Principal Subject Matter Expert jobs?

States with the most job openings for Principal Subject Matter Expert jobs include:

What are popular job titles related to Principal Subject Matter Expert jobs?

For Principal Subject Matter Expert jobs, the most frequently searched job titles are:

Infographic showing various Principal Subject Matter Expert job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 58% Full Time, 24% Part Time, 1% Temporary, and 16% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $109,393 per year, or $52.6 per hour.

Subject Matter Expert II

West Mifflin, PA โ€ข On-site

Boston Government Services, LLC
Business Management Consultingย โ€ขย 51 - 200 employees

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 7 days ago


Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Subject Matter Expert II

Full Time West Mifflin, PA, US

Boston Government Services, LLC. (BGS) is seeking for a Subject Matter Expert II to support our clients inBettis Atomic Laboratory, West Mifflin, PA.

BGS is an engineering, technology, and security firm helping to advance missions of national importance for government programs, national laboratories, national security facilities, nuclear operations, and complex projects. We support clients at every stage, from strategic planning and program management to the execution of engineering and technical activities. We work to attract and retain the best talent because the best talent delivers the best results for our clients. Our capabilities are based on our experience in complex, secure, and highly regulated environments. We leverage our experience and capabilities to provide mission-driven solutions tuned to our client's mission needs and strategic direction.

We are passionate about our culture! At BGS, we hire people who will bring their whole self to work each day because we value operating with openness and inclusivity, welcoming and respecting all. BGS cares for each employeeโ€™s well-being by offering a comprehensive benefit package and providing a culture of exciting work, excellence, and fun.

If you align with BGSโ€™ company values and culture, we would love for you to explore opportunities to join our growing team by checking out the job description below!

BGS is hiring a Subject Matter Expert (SME) II to support the Department of Energy Environ/mental Management Consolidate Business Center (DOE-EMCBC) - Bettis Atomic Laboratory in West Mifflin, PA. The candidate will have recognized expertise in a specific field recognized by the DOE and familiarity with applicable Codes and Standards. Recognition as evidenced by the following areas of expertise: project management, design and performance, technical development, Deactivation and Decommissioning of nuclear sites, coordination and facilitation of meetings, field and safety preparedness, recovery and shipment of a sealed source for radiological liability purposes, preventive maintenance, management of engineering staffs and teams, maintenance of nuclear legacy facilities, procurement and operation of heavy-duty industrial equipment and machinery, Must possess above average proficiency in Microsoft Word, strong organizational skills, and excellent oral and written communication skills.

Responsibilities:

  • Duties include, but are not limited to: Manage and direct the daily tasks required to perform ongoing support of design.
  • Construction, startup and/or operations/ maintenance activities of complex high technology systems or projects.
  • Render opinions on engineering, management, and/or technical issues.
  • Provide recommendations to project design and construction teams in specific areas of expertise.
  • Provide independent reviews and assessments in areas of specialized expertise.
  • Provide guidance to project teams in delivering results on project.
  • Apply and enforce work standards, assigns schedules.
  • Review work quality.
  • Communicate goals, objectives, and policies of the organization to staff.
  • Coordinate with the functional organizations.
  • May supervise entry level personnel within the project organization.

Requirements:

  • Masterโ€™s degree in engineering, science or relevant technical field of study.
  • 20+ years of experience in Project Management Support.
  • Experience in working and effectively communicating with all levels of staff and contractors.
  • Must be a U.S. citizen.
  • Must be eligible to obtain and maintain a security or clearance badge.

Location/Work Arrangement:

  • This position is a fully onsite position at Bettis Atomic Laboratory, West Mifflin, PA.

BGS offers a competitive total compensation package to eligible employees. Benefits include Health, Dental, Vision, Life Insurance, Paid Vacation, 401K, Long and Short-Term Disability.

EEO:

BGS is an Equal Opportunity/Affirmative Action employer. All qualified applicants are encouraged to apply and will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status.

Exclusive Agreement Disclaimer:

BGS has standing contracts with federal agencies throughout the United States. We require an affirmative exclusive agreement to represent all candidates to our clients. By submitting this application, you are consenting to allow BGS to represent you as a candidate for the role in which you are applying.

Boston Government Services, LLC. (BGS) is seeking for a Subject Matter Expert II to support our clients inBettis Atomic Laboratory, West Mifflin, PA.

BGS is an engineering, technology, and security firm helping to advance missions of national importance for government programs, national laboratories, national security facilities, nuclear operations, and complex projects. We support clients at every stage, from strategic planning and program management to the execution of engineering and technical activities. We work to attract and retain the best talent because the best talent delivers the best results for our clients. Our capabilities are based on our experience in complex, secure, and highly regulated environments. We leverage our experience and capabilities to provide mission-driven solutions tuned to our client's mission needs and strategic direction.

We are passionate about our culture! At BGS, we hire people who will bring their whole self to work each day because we value operating with openness and inclusivity, welcoming and respecting all. BGS cares for each employeeโ€™s well-being by offering a comprehensive benefit package and providing a culture of exciting work, excellence, and fun.

If you align with BGSโ€™ company values and culture, we would love for you to explore opportunities to join our growing team by checking out the job description below!

BGS is hiring a Subject Matter Expert (SME) II to support the Department of Energy Environ/mental Management Consolidate Business Center (DOE-EMCBC) - Bettis Atomic Laboratory in West Mifflin, PA. The candidate will have recognized expertise in a specific field recognized by the DOE and familiarity with applicable Codes and Standards. Recognition as evidenced by the following areas of expertise: project management, design and performance, technical development, Deactivation and Decommissioning of nuclear sites, coordination and facilitation of meetings, field and safety preparedness, recovery and shipment of a sealed source for radiological liability purposes, preventive maintenance, management of engineering staffs and teams, maintenance of nuclear legacy facilities, procurement and operation of heavy-duty industrial equipment and machinery, Must possess above average proficiency in Microsoft Word, strong organizational skills, and excellent oral and written communication skills.

Responsibilities:

  • Duties include, but are not limited to: Manage and direct the daily tasks required to perform ongoing support of design.
  • Construction, startup and/or operations/ maintenance activities of complex high technology systems or projects.
  • Render opinions on engineering, management, and/or technical issues.
  • Provide recommendations to project design and construction teams in specific areas of expertise.
  • Provide independent reviews and assessments in areas of specialized expertise.
  • Provide guidance to project teams in delivering results on project.
  • Apply and enforce work standards, assigns schedules.
  • Review work quality.
  • Communicate goals, objectives, and policies of the organization to staff.
  • Coordinate with the functional organizations.
  • May supervise entry level personnel within the project organization.

Requirements:

  • Masterโ€™s degree in engineering, science or relevant technical field of study.
  • 20+ years of experience in Project Management Support.
  • Experience in working and effectively communicating with all levels of staff and contractors.
  • Must be a U.S. citizen.
  • Successful drug screening.
  • Must be eligible to obtain and maintain a security or clearance badge.

Location/Work Arrangement:

  • This position is a fully onsite position at Bettis Atomic Laboratory, West Mifflin, PA.

Benefits:

BGS offers a competitive total compensation package to eligible employees. Benefits include Health, Dental, Vision, Life Insurance, Paid Vacation, 401K, Long and Short-Term Disability.

EEO:

BGS is an Equal Opportunity/Affirmative Action employer. All qualified applicants are encouraged to apply and will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status.

Exclusive Agreement Disclaimer:

BGS has standing contracts with federal agencies throughout the United States. We require an affirmative exclusive agreement to represent all candidates to our clients. By submitting this application, you are consenting to allow BGS to represent you as a candidate for the role in which you are applying.

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