NNSA Jobs USA 2025 | Apply Online for Available Positions

If you’re curious about serving your country in a meaningful way, NNSA Jobs offer opportunities across a range of specialized areas. The National Nuclear Security Administration plays a vital role in ensuring national safety through nuclear security. With roles that require precision and responsibility, this agency seeks professionals ready to contribute to the country’s defense infrastructure. Whether you’re a recent graduate, an experienced expert, or someone looking to pivot into federal service, NNSA offers purpose-driven work with real-world impact.

At NNSA, teams span multiple domains, including nuclear engineering, cybersecurity, project management, and emergency operations. The work environment values collaboration, accuracy, and public service. The agency’s culture is rooted in responsibility, national integrity, and scientific excellence. Each department supports a larger mission of national safety, allowing employees to work with leading scientists, defense experts, and analysts. Roles frequently available include Nuclear Engineer, Security Specialist, Contract Manager, Cybersecurity Analyst, and Program Manager. Internship opportunities are also open to students interested in national service, and some roles welcome qualified foreigners depending on security clearance levels.

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NNSA Jobs: Hirings in National Nuclear Security Administration 

NNSA Overview

Formed in 2000 as a separately organized agency within the U.S. Department of Energy, the National Nuclear Security Administration (NNSA) is responsible for enhancing national security through the military application of nuclear science. Its key responsibilities include maintaining and securing the U.S. nuclear weapons stockpile, reducing global nuclear threats, and supporting the Navy’s nuclear propulsion program.

Across the United States, NNSA operates a range of laboratories, production facilities, and offices. These include Los Alamos National Laboratory, Sandia National Laboratories, and the Pantex Plant. The agency also collaborates with international partners on nonproliferation efforts. Its services play a major role in ensuring public safety and preserving national defense capabilities.

Work Culture and Values

NNSA’s workplace environment reflects a clear sense of purpose and accountability. Every team member, from engineers to analysts, understands the national impact of their work. The culture values clear communication, technical accuracy, and mutual respect across all roles. Most positions operate within structured, secure settings, and employees follow strict safety and compliance protocols. While the mission is serious, NNSA supports a balanced work life through flexible schedules when possible and built-in career growth. Collaboration happens both within departments and across labs and sites nationwide, encouraging knowledge sharing and continuous improvement. For those who prefer a professional environment that prioritizes integrity, consistency, and mission success, NNSA offers a strong fit.

Career Opportunities at NNSA

Here are some common NNSA roles regularly posted across national facilities:

• Nuclear Engineer
• Security Specialist
• Cybersecurity Analyst
• Program Manager
• Health Physicist
• Contract Manager
• Emergency Management Specialist
• Intelligence Analyst
• Mechanical Engineer
• IT Systems Specialist

Benefits and Rewards

NNSA provides competitive federal benefits along with stable, long-term career prospects. Here are some highlights:

• Federal retirement plans with matching contributions
• Paid vacation and federal holidays
• Comprehensive medical, dental, and vision insurance
• Tuition reimbursement for approved courses
• Access to employee assistance programs
• Long-term care insurance options
• Paid parental leave
• Flexible work schedules (where applicable)
• Life insurance options
• On-site training and development programs

Requirements & Qualifications:

Basic qualifications and security standards are essential for most NNSA jobs. Common requirements include:

• U.S. citizenship
• Ability to obtain and maintain a security clearance
• Background check approval
• Degree or certifications relevant to the position
• Minimum age of 18
• Physical and mental fitness for job functions
• Drug screening compliance
• Proof of selective service registration (if applicable)
• Fluency in English
• Valid government-issued ID

Application Process for NNSA Jobs

Working with the NNSA means joining a vital mission with national impact. The agency posts positions on federal job boards and internal platforms, offering applicants a clear pathway to service-based careers. NNSA Jobs span a variety of fields, so it’s essential to review listings carefully to match your expertise. You can find the application steps just below.

1. Go to USAJobs.gov
2. Search “NNSA” in the search bar
3. Filter results by location or job category
4. Click the job title for the full description
5. Review all qualifications and clearance needs
6. Click “Apply” and follow sign-in prompts
7. Upload your resume and any required documents
8. Submit before the deadline

Apply Here