Systems Administrator (Linux / Automation Focus)
About The Position
KBR is seeking a Senior Linux Systems Administrator focused on automation and orchestration. The role provides systems administration and infrastructure automation support for the Test Resource Management Center’s All Domain Test Range and related Pacific-Rim, JMETC, JSN, JMN, SDREN, and DREN environments. The administrator designs, deploys, and maintains Linux-centric server architectures, streamlines configuration management with Ansible, and supports compliance with DISA STIGs and DoD Risk Management Framework standards across distributed test networks. The position supports enterprise Linux systems in bare-metal and virtualized environments, container platforms, security compliance, software repositories, infrastructure monitoring, and associated systems such as virtualization, storage, networking, and Windows services. It also produces operational and technical documentation to support knowledge transfer. The role requires an active Top Secret clearance, at least 10 years of relevant experience, and a technical bachelor’s degree or equivalent relevant professional experience. Candidates must be able to lift up to 35 pounds and be willing to travel up to 20%. Compensation varies by location: $130,000–$170,000 in Maryland, Virginia, or California, and $120,000–$150,000 in Nevada. Additional compensation may include bonuses, commissions, sign-on bonuses, relocation benefits, incentives, or discretionary performance payments, subject to policy or contractual designation. KBR offers benefits that could include retirement-plan matching, medical, dental, vision, life and disability insurance, flexible spending accounts, paid time off, flexible schedules, and professional training and development. The job is with KBR’s Mission Technology Solutions business; employees will transition to Trinzic when the planned spin-off is complete.
Requirements
- Must have an active Top Secret clearance.
- At least 10 years of experience in a Systems Administrator or Systems Engineering role.
- Technical bachelor’s degree; relevant professional experience may be substituted for a degree.
- In-depth knowledge of Enterprise Linux (RHEL 7/8/9), storage management (LVM), systemd, firewalld, SELinux policies, and Bash or shell scripting.
- Hands-on experience developing, testing, and debugging production Ansible playbooks, inventory structures, and automation workflows.
- Experience administering virtualization platforms; VMware environments, including vSphere, vCenter, vDS, and NSX, are preferred.
- Ability to lift up to 35 pounds.
- Willingness to travel up to 20%.
Nice To Haves
- Experience with Docker, Podman, Kubernetes, or Red Hat OpenShift.
- Experience deploying and operating Red Hat Satellite or Capsule servers, or automated Kickstart workflows.
- Experience hardening Linux environments with SCAP tools, applying DISA STIGs, and working in DoD RMF-accredited enclaves.
- Working knowledge of ACAS/Nessus vulnerability scanners and Trellix (HBSS/EPO) Linux agents.
- Current DoD 8570/8140-compliant baseline certification, such as CompTIA Security+, CASP+, or CISSP.
- Linux Computing Environment certification, such as RHCSA, RHCE, or Linux+.
- Familiarity with Layer 2/3 networking, firewall operations, and DoD networks including DREN and SDREN.
- Experience supporting Windows Server environments, including Active Directory, Group Policy, DNS, and PKI.
Responsibilities
- Install, configure, optimize, and maintain enterprise Linux distributions, including RHEL, Rocky, and CentOS, and associated core services across bare-metal and virtualized environments.
- Develop, test, and maintain reusable Ansible playbooks, roles, and collections for baseline provisioning, system hardening, patching, and configuration-drift remediation.
- Support containerized environments using Docker, Podman, and Kubernetes, including workload deployment and lifecycle management.
- Automate DISA STIG implementation and audit verification across Linux operating systems and application stacks, and remediate ACAS/Nessus vulnerability findings.
- Manage software repositories, system updates, and image baselines using Red Hat Satellite, Foreman, or equivalent local mirrors.
- Administer supporting virtualization, storage systems, networking hardware, and secondary Windows services in a heterogeneous environment.
- Maintain compliance with TRMC cybersecurity directives and RMF continuous-monitoring policies; support HBSS/Trellix agent deployments and centralized logging/syslog infrastructure.
- Write Standard Operating Procedures, Ansible execution guides, and architecture and network diagrams for team knowledge transfer.
Benefits
- 401(k) plan with company match may be offered.
- Medical insurance may be offered.
- Dental insurance may be offered.
- Vision insurance may be offered.
- Life insurance and AD&D may be offered.
- Flexible spending account may be offered.
- Disability insurance may be offered.
- Paid time off may be offered.
- Flexible work schedule may be offered.
- Professional training and development.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
