Systems Administrator

KBR•Lexington Park, MD

10d•Onsite

About The Position

KBR's Mission Engineering Division provides advanced technical solutions and support to the U.S. Department of Defense, focusing on areas like modeling and simulation, cyber transformation, air vehicle mission integration, and lifecycle support. As a key partner in mission technology, KBR develops innovative solutions in collaboration with clients, emphasizing data security, privacy, and responsible information management. We are looking for a Systems Administrator to join our expanding CuXS program, specifically to support secure test and lab environments. This role requires a hands-on systems administrator with expertise in networked environments, contributing to system integration, testing, cybersecurity compliance, and daily operations within a classified DoD setting. You will collaborate with engineers and technical teams to support integrated systems and network operations for mission and test activities. The primary work location is St. Inigoes / Webster Field / Lexington Park, MD, with an estimated 25-40% travel required for CONUS and OCONUS system installations, testing, and mission tasks.

Requirements

Must be a U.S. citizen with an active/current Secret Clearance.
BS/BA from an accredited US institution & 5 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.