Hiring: Systems Administrator Company: KBR Careers Location: Lexington Park, MD Job Posted Time: 2026-09-17 00:16:40 Employment Type: Contract / On-site Target Skills & Keywords : Linux, RHEL, Secret Clearance, Systems Integration, VPN, Visio About the job Experience: •5 years of experience Required Skills: •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 •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 Qualifications: •Clearance & Citizenship: Must be a U.S. citizen with an active/current Secret Clearance. •Edu & Years of Exp: 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. •Operational 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. Compensation: •$95,000 - $140,000 / year •KBR may offer bonuses, commissions, or other forms of compensation to certain job titles or levels per internal policy or contractual designation Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!