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How much do nnsa jobs pay per year?

As of Jun 5, 2026, the average yearly pay for nnsa in the United States is $91,799.00, according to ZipRecruiter salary data. Most workers in this role earn between $64,500.00 and $111,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Nnsa position, and why are they important?

To thrive as an NNSA employee (National Nuclear Security Administration), you should have a strong background in engineering, physics, or a related technical field, often requiring a relevant degree and security clearance eligibility. Familiarity with nuclear safety protocols, risk assessment tools, and government compliance systems is essential. Strong analytical skills, attention to detail, and effective communication help distinguish exceptional candidates in this position. These abilities are crucial for ensuring the safe management of nuclear materials and supporting national security objectives.

What are some typical daily responsibilities for someone working at the NNSA?

Employees at the NNSA may focus on tasks such as monitoring nuclear materials, performing safety assessments, developing technical reports, and ensuring compliance with federal policies. Daily responsibilities often include collaborating with other government agencies, contractors, and scientific teams to maintain the security and reliability of the nation’s nuclear stockpile. You may be involved in project management, emergency response planning, or policy development, depending on your specific role. The work environment typically emphasizes teamwork, precision, and strict adherence to safety and security standards.

What is an NNSA job?

An NNSA job refers to a position within the National Nuclear Security Administration (NNSA), a U.S. government agency responsible for maintaining and securing the nation’s nuclear weapons stockpile, preventing nuclear proliferation, and responding to nuclear and radiological emergencies. NNSA jobs span a range of roles, including engineering, cybersecurity, policy analysis, and national security operations. Employees work in laboratories, field offices, and headquarters to support national defense and global security efforts. These positions often require security clearances and specialized expertise in science, technology, or security disciplines.

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Nnsa jobs near you

Cost Estimate Auditor - NNSA Defense Programs

Excelligent LLC

Washington, DC • On-site

$48 - $110/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 25 days ago

Job description

At Excelligent, a trusted partner for organizations that require exceptional performance and accountability in addressing complex challenges, we are always on the lookout for talented and dedicated professionals to join our team. We offer a supportive and dynamic work environment that prioritizes the professional development and well-being of our employees because we recognize their critical role in our operations.
Excelligent employees are supported through training programs, tuition reimbursement, and mentorship opportunities aimed at building expertise and advancing careers. Additionally, we also provide wellness programs, mental health resources, flexible work options, and competitive benefits packages to promote employee well-being. Our benefits package includes:
  • Paid Time Off (PTO): Enjoy a generous PTO package to recharge and maintain work-life balance.
  • Health, Dental, and Vision Insurance: Coverage options to support you and your family. Company paid life insurance as well as short- and long-term disability are also provided.
  • 401(k) with Match: We offer a 401(k) plan with company matching to help you plan for your future.

Job Summary: The Cost Estimate Auditor will serve as a key member of the Cost Estimating and Program Evaluation (CEPE) Independent Cost Estimate (ICE) team, providing rigorous, independent analysis of cost estimates submitted by NNSA Management & Operating (M&O) contractors across the nuclear weapons enterprise. This role evaluates cost, schedule, and risk assumptions for major weapons system programs and ensures alignment with the GAO Cost Estimating and Assessment Guide, CEPE ICE processes, and established parametric methodologies.
The ideal candidate brings hands-on experience with nuclear weapons programs, deep analytical capability, and a strong understanding of risk and uncertainty analysis, including how discrete risk events and probabilistic modeling influence Management Reserve (MR) development.
Key Responsibilities:
  • Audit and independently evaluate cost estimates submitted by M&O sites for nuclear weapons modernization and sustainment programs
  • Apply the GAO Cost Estimating and Assessment Guide, CEPE ICE processes, and CEPE parametric databases to assess estimate quality, completeness, and realism
  • Review Basis of Estimate (BOE) documentation for traceability, defensibility, and alignment with technical baselines
  • Analyze cost, schedule, and technical assumptions to identify gaps, inconsistencies, or unsupported methodologies
  • Evaluate risk and uncertainty analyses, including distributions, correlations, and integration of risk events into MR development
  • Use CEPE and industry-standard tools to independently develop MR calculations for comparison against M&O submissions, validating the appropriateness of risk event treatment and uncertainty ranges
  • Conduct cross-site comparisons to ensure consistency across the weapons enterprise
  • Prepare audit findings, briefings, and recommendations for CEPE leadership and program stakeholders
  • Collaborate with program analysts, engineers, and risk managers across assigned M&O sites to clarify assumptions and validate data inputs
  • Develop Independent Cost Estimates (ICEs) and Independent Cost Reviews (ICRs) for major acquisition milestones
  • Maintain awareness of evolving weapons program requirements, design changes, and enterprise-wide cost drives

Required Qualifications:
  • Active DOE Q-clearance (or equivalent national security clearance)
  • Bachelor's degree in engineering, finance, economics, operations research, or a related field
  • 5+ years of experience supporting nuclear weapons programs, national security programs, or DOE/NNSA M&O environments
  • Demonstrated experience in cost estimating, cost analysis, or cost auditing for complex technical programs
  • Strong understanding of risk management, including uncertainty modeling, Monte Carlo analysis, and risk event quantification
  • Experience evaluating or developing Management Reserve (MR) and understanding how risk events influence MR sizing
  • Familiarity with parametric cost models and databases
  • Ability to interpret technical program documentation, schedules, and system design information
  • Strong communication skills, including the ability to present complex analytical findings to senior leadership

Preferred Qualifications:
  • Experience working directly with NNSA M&O contractors (e.g., LANL, SNL, LLNL, Y-12, Pantex, KCNSC, SRS)
  • Prior participation in Independent Cost Estimates (ICEs) or Independent Cost Reviews (ICRs)
  • Knowledge of nuclear weapons lifecycle phases, stockpile modernization programs, and NNSA acquisition processes
  • Experience with cost risk tools (e.g., @Risk, Crystal Ball, Primavera Risk Analysis)

Work Environment:
  • Assigned to one or more M&O sites per weapons program, with periodic travel to NNSA facilities
  • Collaborative, high-accoutnability encironments supporting national security missions
  • Requires strict adherece to security, confidentiality, and data-handling protocols
  • Must be able to perform duties on-site at locations where NNSA maintains an operational presence

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