Senior OpenShift​/Linux Administrator

Konark Software provides technology consulting services to government and commercial entities. We strive to provide innovative solutions that help our customers address their business requirements. We strive to provide a high degree of customer satisfaction in delivering information technology solutions. Eligible full-time employees receive several benefits including Health, Dental, & Vision Insurance, Retirement Plan, Paid Time Off (PTO), Paid Holidays, Life Insurance, Short Term and Long-Term Disability etc.

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 Open Shift, with a proven track record of designing, implementing, and managing large-scale private cloud environments. This role requires extensive experience with all Open Shift 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.

• 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 Open Shift/Kubernetes environments.
• Administer, harden, and maintain the Open Shift 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, Dev Ops, 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 Dev Sec Ops  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

• Possess 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 Dev Ops methodologies, including:
• Orchestration using Kubernetes and Open Shift
• Applied expert‑level knowledge of containerization and orchestration technologies to deploy, manage, secure, and troubleshoot containerized workloads.
• Extensive hands‑on experience administering Red Hat Open Shift
  , including cluster architecture, control plane components, operators, and workload lifecycle management.
• Experience planning, coordinating, and executing workload migrations into Open Shift environments.
• Proficient in developing automation and scripting solutions using Bash, Power Shell, Python, and Ansible to support configuration management, provisioning, and operational tasks.
• Knowledgeable in container technologies and Kubernetes‑based ecosystems,…