Administer enterprise Red Hat Enterprise Linux (RHEL) systems, including installation, patching, hardening, package management, performance tuning, and full lifecycle support in production environments.
Manage Linux server operations, including user administration, storage configuration, service troubleshooting, kernel updates, and adherence to security compliance standards.
Support virtualization infrastructure using VMware vSphere, including VMware ESXi, vCenter Server, host/cluster administration, HA/DRS configuration, and platform maintenance.
Build and maintain containerized environments with Kubernetes, handling cluster operations, workload deployment, namespace management, and troubleshooting of containerized services.
Work with Docker for container image building/deployment, runtime support, and registry integration.
Automate infrastructure provisioning, configuration, and deployment using Ansible, shell scripting, Python, and Terraform to ensure repeatable and efficient operations.
Troubleshoot complex issues across Linux, virtualization, networking, and container platforms in multi-site enterprise environments.
Perform lifecycle management activities, including upgrades, patching, capacity planning, and ongoing operational maintenance.
Support secure infrastructure operations in alignment with DoD/enterprise security standards and procedures.
Develop and maintain technical documentation, build procedures, operational runbooks, and standard operating processes.

Requirements

Proven experience administering Red Hat Enterprise Linux in enterprise/production settings.
Hands-on expertise with VMware vSphere (ESXi, vCenter, HA/DRS).
Strong knowledge of Kubernetes and Docker for container orchestration and management.
Proficiency in automation tools: Ansible, Terraform, Python, and shell scripting.
Solid understanding of networking concepts (VLANs, routing, switching, BGP, OSPF).
Experience supporting secure, compliance-driven environments (preferably DoD or government).
Ability to obtain and maintain a Secret clearance (active clearance preferred).
Willingness to work hybrid with onsite presence at DISA locations as required (25%+).
Strong troubleshooting and documentation skills.

Benefits

comprehensive PPO medical coverage with access to a Health Savings Account (HSA) option
vision plan
dental insurance with base dental plan option paid for by PGTEK
Life Insurance
Short and Long-Term disability
Critical Illness insurance premiums covered
matching 401(k) plan
discount on pet insurance through ASPCA Pet Insurance
Employee Assistance Program available at no cost
generous amount of PTO and Holidays
Education Assistance Program available after 12 months of employment

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Red Hat Enterprise LinuxVMware vSphereKubernetesDockerAnsibleTerraformPythonshell scriptingnetworking conceptslifecycle management

Soft Skills

troubleshootingdocumentation

Certifications

Secret clearance