Senior OpenShift / Linux Administrator

Konark SoftwareMurfreesboro, TN
$85,000 - $145,000

About The Position

We are seeking a highly experienced and motivated Senior Systems Administrator to join our dynamic team. The ideal candidate will be a subject matter expert in Red Hat OpenShift, with a proven track record of designing, implementing, and managing large-scale private cloud environments. This role requires extensive experience with all OpenShift modules, strong networking and security skills, and hands-on experience managing virtual machines. The Senior Systems Administrator will play a critical role in cloud strategy, driving innovation and ensuring the reliability, scalability, and security of the infrastructure.

Requirements

  • 5–7 years of progressively responsible experience in cloud engineering or related IT infrastructure roles, supporting private cloud and on‑premises environments within enterprise or mission‑critical settings.
  • Demonstrated experience applying DevOps methodologies, including: Containerization using Docker, Orchestration using Kubernetes and OpenShift, Enterprise Linux administration (RHEL)
  • Applied expert‑level knowledge of containerization and orchestration technologies to deploy, manage, secure, and troubleshoot containerized workloads.
  • Extensive hands‑on experience administering Red Hat OpenShift, including cluster architecture, control plane components, operators, and workload lifecycle management.
  • Experience planning, coordinating, and executing workload migrations into OpenShift environments.
  • Proficient in developing automation and scripting solutions using Bash, PowerShell, Python, and Ansible to support configuration management, provisioning, and operational tasks.
  • Knowledgeable in container technologies and Kubernetes‑based ecosystems, with the ability to implement secure, scalable, and compliant deployments.
  • Experienced in administering Linux (RHEL) and Windows Server systems, including configuration, patching, performance tuning, and security hardening.
  • Strong understanding of networking principles, including routing, switching, DNS, load balancing, and network security fundamentals.
  • Demonstrated ability to communicate technical information effectively and collaborate with cross‑functional teams, stakeholders, and mission partners.
  • Knowledgeable in the design, operation, and troubleshooting of large‑scale distributed systems.
  • Must be able to obtain and maintain a Clearance at the level required for the government projects which requires U.S. Citizenship

Nice To Haves

  • Preferred Certifications: Red Hat Certified System Administrator (RHCSA) and/or Red Hat Certified Engineer (RHCE).

Responsibilities

  • Architect, configure, secure, and sustain enterprise virtualization platforms in accordance with DoD, DISA, and agency‑specific technical standards, including full lifecycle management of VMware vSphere/ESXi/vCenter and OpenShift/Kubernetes environments.
  • Administer, harden, and maintain the OpenShift Container Platform, including cluster operations, node lifecycle management, operator governance, and compliance with STIGs and RMF control requirements
  • Implement, validate, and continuously monitor security controls across virtualized and containerized infrastructure to ensure adherence to NIST 800‑53, RMF, DISA STIG, and organizational cybersecurity policies.
  • Develop and maintain automation for provisioning, configuration management, and operational workflows using Ansible, Podman, PowerCLI, Bash, and related tooling.
  • Interface with cloud engineering, networking, DevOps, and security teams to ensure seamless integration of enterprise workloads across hybrid infrastructure.
  • Perform continuous monitoring of compute, storage, and virtualization layers, analyzing performance metrics and capacity trends to preempt system degradation.
  • Support deployment, integration, and sustainment of applications and services within virtualized and containerized environments, ensuring alignment with CI/CD pipelines and DoD DevSecOps reference architectures.
  • Execute advanced troubleshooting, incident response, and performance tuning across hypervisors, clusters, and container platforms.
  • Conduct post‑incident root cause analysis to identify systemic issues, optimize platform reliability, and drive architectural improvements.
  • Apply and maintain system hardening templates, security baselines, and configuration policies across Linux and virtualization hosts.
  • Manage enterprise storage systems and services, including RAID, LVM, NFS, and associated provisioning workflows, ensuring data integrity, availability, and compliance with federal data‑handling requirements

Benefits

  • Health, Dental, & Vision Insurance
  • Retirement Plan
  • Paid Time Off (PTO)
  • Paid Holidays
  • Life Insurance
  • Short Term and Long-Term Disability
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