Server Administrator III (OpenShift/Kubernetes)

Location: Redstone Arsenal, Alabama, United States; 100% onsite support required. Contractor site with 0%-10% travel possible and occasional off-hours work for releases and outages.

Company

hirify.global supports national security and critical civilian missions through technology integration, infrastructure, and IT services.

What you will do

• Design, deploy, administer, upgrade, and troubleshoot Red Hat OpenShift, Kubernetes, Operators, containerized applications, and GitOps workflows using Argo CD and Git.
• Administer VMware vSphere, ESXi, vCenter Server, VMware Cloud Foundation, vSAN, virtual networking, storage, capacity, backup, disaster recovery, and high availability.
• Deploy and maintain enterprise applications across Windows, Linux, virtual machines, and containers, including IIS-hosted applications, GitLab, Jira, and Confluence.
• Implement enterprise authentication and authorization using SAML 2.0, OIDC, OAuth 2.0, LDAP, Active Directory, PKI, certificates, TLS, SSO, RBAC, and MFA.
• Administer Windows Server and RHEL environments, perform patching and vulnerability remediation, maintain Red Hat Satellite, and implement DISA STIGs and security baselines.
• Develop automation and infrastructure deployments with PowerShell, Bash, YAML, GitOps, and infrastructure-as-code tools; provide escalation support and mentorship.

Requirements

• Active Secret Security Clearance required; candidates must have clearance to start.
• High School Diploma or GED.
• 7+ years of progressive systems administration, infrastructure engineering, or platform engineering experience.
• Advanced experience administering Windows Server and Red Hat Enterprise Linux.
• Hands-on experience with Red Hat OpenShift or enterprise Kubernetes, including Kubernetes workloads and OpenShift Operators.
• Experience implementing GitOps deployments with Argo CD and Git.
• Strong VMware vSphere administration experience with ESXi and vCenter, plus VMware Cloud Foundation or equivalent enterprise virtualization architecture.
• Experience deploying and troubleshooting enterprise applications, including IIS-hosted applications.
• Working knowledge of SAML, OIDC, OAuth, LDAP, Active Directory, PKI, and TLS.
• Experience with enterprise patch management, vulnerability remediation, security hardening, and troubleshooting across operating systems, applications, networking, storage, and authentication.
• Experience developing automation with PowerShell, Bash, or similar scripting languages.
• Ability to independently lead technical implementations and resolve complex infrastructure problems throughout their lifecycle.
• Security+ CE certification required at the start; Security+ CE must be obtained within 6 months as specified in the posting.

Nice to have

• RHCE, Red Hat OpenShift, Certified Kubernetes Administrator, VMware VCP-VCF, CompTIA Security+, CASP+/SecurityX, CISSP, or equivalent certifications.
• DoD enterprise infrastructure and DISA STIG compliance experience.
• F5 BIG-IP, TLS termination, reverse proxy, and application delivery experience.
• Experience with GitLab, Jira, Confluence, enterprise DevSecOps platforms, Ansible Automation Platform, Terraform, Helm, Kustomize, and CI/CD pipelines.
• Knowledge of PostgreSQL, Microsoft SQL Server, and enterprise database integration.
• Experience supporting disconnected, restricted, or highly secured environments.

Culture & Benefits

• Regular employment in a general office environment with standard office equipment.
• Work is generally sedentary, with occasional standing, walking, and lifting of small articles up to 10 lbs.
• Possible off-hours work is required to support releases and outages; travel may be 0%-10%.
• Culture emphasizes being happy, helpful, honest, humble, hungry, and driven, with collaboration and continuous improvement.