Systems Administrator

KBR Careers; Saint Inigoes Shores (MD); On-site; USD 95,000 - 140,000; Full time

Benefits offered by this job

401K plan with company match

Career development and training

Job summary

KBR’s Mission Engineering Division seeks a Systems Administrator to support the CuXS program, providing hands-on admin for classified LAN/WAN environments and system integration in DoD test and lab settings.

The role requires US citizenship, a Secret clearance, BS/BA, 5 years experience, and DoD 8570 IAT II certifications; travel CONUS/OCONUS 25–40% and on-site work at St. Inigoes, MD.

Qualifications

• Must have an active Secret Clearance and US citizenship.
• BS/BA from an accredited US institution with 5 years of experience.
• IAT II or higher DoD 8570/8140 compliant certification.
• Experience with Windows and Linux in secure network environments.

Responsibilities

• Administer, configure, and maintain classified LAN/WAN networked systems and environments.
• Primary administrator for network components including switches, routers, firewalls, and server infrastructure.
• Day-to-day system administration for Windows and Linux in secure segmented networks.
• Support system and network integration for new hardware, software, test events, and lab upgrades.
• Apply and maintain OS and network security to DoD STIGs and cyber requirements.
• Support accreditation activities (IATT/ATO) with documentation and artifacts.
• Monitor system health, troubleshoot issues, coordinate resolutions for mission tests.
• Create and maintain technical docs including diagrams and SOPs.
• Collaborate with engineers, IT, cybersecurity, and government users.

Skills

U.S. citizenship with active Secret

BS/BA degree

IAT II or higher DoD 8570/8140

Education

BS/BA from accredited US institution

Tools

Cisco Certifications: CCNA/CCNP

Microsoft Visio

IPsec VPN/L2TP

Linux (RHEL)

Job description

Systems Administrator

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.

Role & 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

Basic 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.

Preferred Qualifications

• 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
• Travel: 25% to 40% (CONUS and OCONUS)
• Work Setting: On Site

Compensation

$95,000-$140,000.

Additional Compensation

KBR may offer bonuses, commissions, or other forms of compensation to certain job titles or levels per internal policy or contractual designation. Additional compensation may be in the form of a sign‑on bonus, relocation benefits, short‑term incentives, long‑term incentives, or discretionary payments for exceptional performance.

KBR Benefits

• 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.

KBR — Delivering Solutions, Changing the World

KBR brings together the best and brightest to deliver science, technology and engineering solutions that help governments and companies around the world accomplish their most critical missions and objectives. In everything we do, we are guided by our ONE KBR Values: We Value Our People – We create diverse, inclusive environments in which each person can feel safe, respected and valued, and where everyone has opportunities to grow and reach their full potential. We Deliver – We are uncompromising in our commitment to deliver innovative, high‑quality, technology‑led solutions for our customers and exceptional, sustainable value for all our stakeholders. We Are People of Integrity – We value honesty, trust, courage, fairness, prudence and tenacity. We believe doing what’s right for the planet, the communities where we work, and our people is good for business. We Empower – We empower our people with a shared purpose, the right tools and the supportive culture they need to be proactive decision‑makers, to be adaptive to change, and to succeed. We Are a Team of Teams – We have a will to succeed, but we value the achievements of our team of teams over individual accomplishments. Our collective focus makes us a better, stronger, more effective company.

Worldwide, KBR employs a diverse workforce approximately 29,000 people strong, with customers in more than 80 countries and operations in 40 countries.

At KBR, We Deliver.