Systems / Network Administrator

Beaufort, SCFull-timePosted Jul 27, 2026

Title:

Systems / Network Administrator

Program Summary:
​KBR’s Product and Technology Solutions Division specializes in rapid prototyping and advanced technology solutions for directed energy, electronic warfare, and security applications. With expertise in electronic warfare systems, critical infrastructure protection, and product R&D, KBR delivers cutting-edge innovations to meet mission-critical needs. Backed by a global presence and a strong ethical framework, KBR collaborates closely with customers to develop secure, effective, and forward-thinking solutions.

Job Summary:
KBR is looking for an advanced Systems/Network Administrator, with an active U.S. Top Secret security clearance with SCI eligibility that can work independently with little to no day-to-day supervision. This position requires travel to other Marine Corps installations in Parris Island SC, Albany GA, and Blount Island FL. The candidate will have a strong IT and networking background. The candidate must be a highly motivated self-starter, and adaptable to a fast-paced exciting environment. This position requires 30% travel in-state and out-of-state and is 100% on-site.  No telecommuting.

Roles and Responsibilities:

  • Proactively maintain and support existing IT infrastructure to ensure system reliability and performance.
  • Install, configure, update, and manage servers, desktop clients, zero clients, network devices, Active Directory, Group Policies, and firewalls.
  • Administer and support core Microsoft, SQL Server, Cisco, and VMware technologies.
  • Produce, manage, and maintain system backups to ensure data availability and recovery.
  • Implement security fixes, operating system patches, and antivirus software/definition updates across multiple closed and standalone networks.
  • Maintain accurate and up-to-date inventories of hardware, software, firmware, and applications.
  • Develop and maintain troubleshooting guides, technical documentation, and Standard Operating Procedures (SOPs).
  • Ensure continued system operability through ongoing optimization, monitoring, and problem resolution.
  • Serve as a Subject Matter Expert (SME) for complex IT systems and infrastructure issues.
  • Provide advanced troubleshooting support for complex technical issues, both in person and remotely, including assistance to non-technical personnel.
  • Implement and enforce Department of Defense (DoD) security policies, standards, and directives.
  • Analyze system risks and vulnerabilities and take corrective actions to mitigate or eliminate identified threats.
  • Collaborate effectively with Marine Corps Physical Security personnel in a law enforcement environment.
  • Maintain professionalism and composure while responding to high-pressure or stressful situations.
  • Work effectively in a variety of environments, including indoor facilities, outdoor locations, telecommunications closets, and secure operational settings.
  • Ensure compliance with organizational, security, and operational requirements while supporting mission-critical systems.

   

Basic Qualifications:

  • Bachelor’s degree and 6 years of related work experience; or
  • DoD/military technical training/certification and 6 years of related work experience; or
  • In lieu of a degree or DoD training, 15 years of related work experience.
  • Certifications: IAT Level II
  • Certifications Required within (6) months of hire: 
  • Microsoft Server/Windows Certifications 
  • CISCO OS/IOS Training/Certification 
  • Clearance Required:  Candidates with an Active Secret clearance can be considered, and they must have the ability to obtain the Top Secret with SCI Eligibility.

Travel Required:

  • 30% travel in-state and out-of-state.

Benefits:

KBR offers a selection of competitive lifestyle benefits which could include a 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development. 

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture.  These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company.  That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together. 

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

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