Senior Linux Systems Admin – Automation & Orchestration

Trinzic; Maryland; On-site; USD 130,000 - 170,000; Full time

Job summary

KBR is seeking a Senior Linux Systems Administrator with a focus on automation to design, deploy, and maintain Linux-centric server architectures across DoD test networks, ensuring DISA STIG and RMF compliance while leveraging Ansible for configuration management and container orchestration.

The role requires TS clearance, 10+ years of experience, VMware vSphere expertise, Red Hat Satellite, and strong scripting; travel up to 20% may be required, with a competitive compensation package.

Qualifications

• Active Top Secret clearance is required.
• Minimum 10 years in systems administration/engineering.
• Bachelor’s degree in a technical field; relevant experience may substitute.
• Expertise with enterprise Linux (RHEL 7/8/9) architecture and security policies.
• Proficiency with Ansible playbooks, roles, and automation workflows.
• Experience administering VMware vSphere environments.
• DoD RMF and DISA STIG automation experience.
• Security certifications (CISSP/CASP/Security+) preferred.

Responsibilities

• Install, configure, and maintain enterprise Linux distributions (RHEL, Rocky, CentOS).
• Develop and maintain Ansible playbooks and roles for provisioning and patching.
• Support containerized workloads with Docker/Podman/Kubernetes.
• Automate STIG enforcement and vulnerability remediation with ACAS/Nessus.
• Manage Red Hat Satellite or similar tooling for repos and images.
• Experience with VMware vCenter/vSphere and related virtualization tasks.
• Document SOPs, runbooks, and network diagrams for operations team.

Skills

Top Secret clearance

Linux systems administration

Automation scripting

Ansible

VMware vSphere

Education

Technical Bachelor’s degree

Tools

Red Hat Satellite

Foreman

ACAS/Nessus

HBSS/Trellix

Job description

KBR is seeking a Senior Linux Systems Administrator with a focus on automation to design, deploy, and maintain Linux-centric server architectures across DoD test networks, ensuring DISA STIG and RMF compliance while leveraging Ansible for configuration management and container orchestration.

The role requires TS clearance, 10+ years of experience, VMware vSphere expertise, Red Hat Satellite, and strong scripting; travel up to 20% may be required, with a competitive compensation package.