Systems Administrator

Leidos Holding$73K — $132K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in IT, Computer Science, Cybersecurity, or related field, or equivalent experience (4+ years) or a Master's degree (2+ years)
  • Active Top Secret security clearance with SCI eligibility
  • Current DoDM 8140.03 cybersecurity certification (e.g., CompTIA Security+, CySA+, PenTest+)
  • Experience with IT lifecycle support and configuration management for information systems
  • Experience supporting cybersecurity activities and RMF documentation
  • Working knowledge of RMF, STIGs, SRGs, and DoD/Navy cybersecurity requirements
  • Hands-on experience with Windows and Linux OS administration
  • Strong analytical, technical writing, and communication skills

Responsibilities

  • Provide systems administration and lifecycle support for information systems, including hardware/software management and documentation.
  • Support continuous monitoring, cybersecurity assessments, and vulnerability management for system security compliance.
  • Ensure compliance with RMF, STIGs, SRGs, and Navy SCA guidance by assessing security controls.
  • Document, build, test, and maintain secure systems using approved security controls and best practices.
  • Identify system risks, develop mitigation plans, and prepare RMF A&A artifacts for system accreditation.

Benefits

  • Collaborative work environment
  • Opportunity to support mission-critical operations for the U.S. Navy
  • Engagement with advanced cybersecurity and systems administration practices
  • Educational development opportunities
  • Potential for career advancement within a growing organization
Full Job Description

Systems Administrator

Location: Keyport, WA

Leidos is seeking a Systems Administrator to support NAVSEA NUWC Keyport in Keyport, WA. In this role, you will provide IT and cybersecurity support for mission critical information systems supporting the Unmanned Underwater Vehicle Operations Center (UUV OC). Your work will include systems administration, lifecycle management, continuous monitoring, vulnerability management, and Risk Management Framework (RMF) activities that help ensure secure, reliable operations in support of the U.S. Navy's undersea mission.

You'll work as part of a collaborative technical team to maintain secure, compliant, and resilient information systems while supporting ongoing cybersecurity requirements and system accreditation efforts.

Program Timing: This position supports an upcoming proposal opportunity with an anticipated September start.

Primary Responsibilities

As a Systems Administrator, you will:

  • Provide systems administration and lifecycle support for designated information systems, including hardware and software management, configuration management, upgrades, repairs, and technical documentation.
  • Support continuous monitoring, cybersecurity assessments, and vulnerability management to maintain an accurate understanding of system security status and compliance.
  • Ensure systems remain compliant with RMF, STIGs, SRGs, and Navy Security Control Assessor (SCA) guidance by assessing security controls and helping address emerging risks.
  • Document, build, test, and maintain secure information systems using approved security controls, tools, and processes.
  • Identify system risks, develop mitigation and remediation plans, and prepare RMF based Assessment and Authorization (A&A) artifacts required to achieve and maintain system accreditation.

Basic Qualifications

  • Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field, or an equivalent combination of education and relevant experience with 4+ years of experience or a Master’s degree with 2+ years of experience. Additional experience may be considered in lieu of a degree.
  • Active Top Secret security clearance with SCI eligibility.
  • Current certification in accordance with DoDM 8140.03 cybersecurity workforce requirements, such as CompTIA Security+, CySA+, PenTest+, or SecurityX (formerly CASP+).
  • Experience with systems administration, IT lifecycle support, and configuration management for information systems.
  • Experience supporting cybersecurity activities, including continuous monitoring, vulnerability assessments, compliance validation, and RMF documentation.
  • Working knowledge of RMF, STIGs, SRGs, and applicable DoD and Navy cybersecurity and IT management requirements.
  • Ability to prepare and maintain technical and accreditation documentation for managed systems.
  • Hands on experience administering and supporting Windows and Linux operating systems in secure enterprise environments, including system configuration, patching, troubleshooting, upgrades, and ongoing operational maintenance.
  • Strong analytical, technical writing, and communication skills.

Preferred Qualifications

  • Experience supporting government or DoD and Navy information systems environments.
  • Familiarity with Navy SCA guidance, Assessment and Authorization (A&A) package development, and system accreditation processes.
  • Experience identifying system risks, developing remediation strategies, and improving overall cybersecurity posture.

AMSOPP1



Original Posting:
August 7, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $73,450.00 - $132,775.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Prepare for Your Interview

To prepare for an interview at Leidos Holding, candidates should familiarize themselves with the company's missions and values, update their resumes, and be ready to discuss how their background and skills align with the position they are applying for.

Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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