Systems Administrator

KBR, Inc.•Saint Inigoes Shores, MD

7d•Onsite

About The Position

KBR’s Mission Engineering Division delivers complex technical solutions and expert support to the U.S. Department of Defense, specializing in modeling and simulation, cyber transformation, air vehicle mission integration, and lifecycle support. As a trusted partner with a proven history in mission technology, KBR collaborates closely with clients to develop innovative and effective solutions. With a strong ethical framework, KBR prioritizes data security, privacy, and responsible information management to ensure mission success. We’re seeking a Systems Administrator to join our growing CuXS program to support secure test and lab environments. In this role, you’ll serve as a hands‑on systems administrator with a strong focus on networked environments, supporting system integration, testing, cybersecurity compliance, and day‑to‑day operations in a classified DoD setting. You’ll work side by side with engineers and technical teams to support integrated systems and network operations in support of mission and test activities. The primary worksite for this role is St. Inigoes / Webster Field / Lexington Park, MD, with required CONUS and OCONUS travel (approximately 25–40%) in support of system installations, testing activities, and mission tasking.

Requirements

Must be a U.S. citizen with an active/current Secret Clearance.
BS/BA from an accredited US institution & 8 years of experience OR AA/AS & 12 years of experience OR High School Diploma & 16 years of experience.
IAT Level II or higher certification (DoD 8570 / 8140 compliant), such as CompTIA Security+ CE, CySA+, GSEC, SSCP (IAT II), or higher‑level certifications, including CEH, CASP+, or CISSP.

Nice To Haves

Familiarity with Webster Field and NAS Patuxent River RDT&E network infrastructure
Cisco Certifications: CCST Networking, CCST Cybersecurity, CCNA, or CCNP.
Proficiency with Microsoft Visio.
Experience with wireless or microwave point-to-point networking.
Experience with IPSEC VPN and L2TP.
Familiarity with Linux - RHEL, SUNOS systems.
Current U.S. Passport

Responsibilities

Administer, configure, and maintain classified LAN/WAN networked systems and environments supporting lab and test operations
Serve as the primary administrator for network‑centric system components, including switches, routers, firewalls, and connected server infrastructure
Perform day‑to‑day system administration for Windows and Linux systems operating within secure, segmented network environments
Support system and network integration for new hardware, software, test events, and lab upgrades
Apply and maintain operating system and network security configurations in accordance with DoD STIGs and cybersecurity requirements
Support cybersecurity and accreditation activities (IATT/ATO) by providing system and network configuration documentation, artifacts, and technical input
Monitor system and network health, troubleshoot connectivity and performance issues, and coordinate resolution to support mission execution
Create and maintain technical documentation, including system diagrams, network diagrams, configurations, and standard operating procedures
Work closely with engineers, IT staff, cybersecurity teams, and government users to support operational needs and scheduled test activities
Travel CONUS and OCONUS to support system deployments, site surveys, testing events, and operational mission requirements.
Participate in system installs, patching cycles, maintenance windows, and test preparations as required