Senior Systems Administrator to design, deploy, and maintain enterprise hybrid infrastructure across Windows, Linux, Kubernetes/OpenShift, and VMware environments supporting PAE FIRES, a DoD data center. This hands-on, senior-level role demands independent leadership of complex infrastructure and application solutions with deep expertise in cloud-native and virtualization platforms.
What you'll do
- Design, deploy, and troubleshoot Red Hat OpenShift and Kubernetes environments, including Operators, Helm charts, and GitOps workflows with Argo CD
- Administer VMware vSphere, ESXi, vCenter, and VMware Cloud Foundation (VCF) infrastructure, performing provisioning, upgrades, patching, and capacity management
- Deploy and maintain enterprise applications (IIS, GitLab, Jira, Confluence) across Windows, Linux, virtual machines, and containers with full lifecycle support
- Design and implement enterprise authentication solutions (SAML, OIDC, OAuth, LDAP, Active Directory, PKI, TLS) and integrate with centralized identity providers
- Execute Windows Server and RHEL patch management, vulnerability remediation, and DISA STIG compliance across infrastructure
- Develop automation using PowerShell, Bash, and infrastructure-as-code tools to enable repeatable deployments and infrastructure operations
- Provide escalation support and mentorship to junior and mid-level administrators across containerized, virtualized, and traditional infrastructure domains
Mission
This role supports the Office of the Chief Information Officer (OCIO) at PAE FIRES, a Continental U.S. Army data center providing hosting and IT lifecycle management to multiple U.S. Army Acquisition community organizations. The organization delivers centralized infrastructure, security compliance, and mission-critical application support under DoD standards.
Required skills
- Red Hat OpenShift
- Kubernetes
- GitOps / Argo CD
- VMware vSphere / ESXi
- Windows Server administration
- Red Hat Enterprise Linux (RHEL)
- Enterprise application deployment
- SAML / OIDC / OAuth / LDAP
- PowerShell / Bash scripting
- DISA STIG compliance