Linux System Administrator

About the Role

Quevera is seeking a Linux Systems Administrator with an active TS/SCI clearance with Polygraph to support mission-critical programs in Fort Meade, Maryland. In this role, you will join an infrastructure team responsible for supporting customer requirements and development team needs across multiple hosting platforms, including OpenStack, AWS, and VMware, while administering Linux virtual machine environments. Working alongside a collaborative engineering team, you will manage Linux virtual machines, maintain secure and compliant infrastructure, support DevOps initiatives, and ensure enterprise systems remain reliable, secure, and operational. This role offers the opportunity to work across modern cloud and virtualization technologies while expanding your expertise in Linux systems administration, virtual machine management, Kubernetes, and infrastructure automation.

Responsibilities

• Administer and maintain Linux virtual machines across multiple hosting platforms, including OpenStack, AWS, and VMware.
• Monitor the health and performance of production Linux virtual machines, including standalone systems and Kubernetes-based environments.
• Manage the server certificate lifecycle and support PKI certificate implementation as required.
• Install, update, and maintain software packages on Linux virtual machines using manual processes and YUM repositories.
• Ensure Linux systems remain compliant with current enterprise security requirements.
• Support customer requests ranging from routine virtual machine modifications to large-scale infrastructure deployments and cluster builds.
• Develop, execute, and maintain Ansible playbooks to automate infrastructure configuration and system updates.
• Monitor and support Kubernetes clusters using Rancher and kubectl to ensure cluster health, node availability, and application performance.
• Collaborate with customers and development teams to support infrastructure requirements and ongoing operational needs.
• Troubleshoot Linux operating systems, virtual machines, and infrastructure-related issues while maintaining system availability and performance.

Minimum Requirements

• Active TS/SCI clearance with Polygraph required.
• All experience and education must be in a technical field directly related to the labor category.
• All diplomas, GED certificates, and degrees must be from accredited institutions.
• Candidates must meet one of the following qualification combinations:
  • Seven (7) years of relevant experience and a high school diploma or GED;
  • Five (5) years of relevant experience and an associate degree;
  • Three (3) years of relevant experience and a bachelor's degree;
  • One (1) year of relevant experience and a master's degree; or
  • Splunk certification in Splunk Accredited Core Implementation.
• Strong Linux administration and troubleshooting experience.
• Experience with Ansible or infrastructure automation using Ansible.
• Experience managing and securing virtual machines within enterprise environments, including STE/STN.
• Active CompTIA Security+ certification.

Desired Skills

• Experience administering CentOS or Red Hat Enterprise Linux (RHEL).
• Experience managing PKI infrastructure and server certificates.
• Experience supporting Kubernetes environments.
• Experience with AWS cloud services, including EC2 and RDS.
• Experience supporting OpenStack environments.
• Experience administering VMware virtual infrastructure.
• Experience using Git for source control, including push, pull, and commit operations.
• Ability to work effectively both independently and as part of a collaborative infrastructure team.

Benefits

• 100% employer-paid medical coverage (optional plan)
• Competitive options for Medical, Dental and Vision insurance
• Employer-paid short-term and long-term disability coverage
• Employer-paid life insurance
• $5,000 annually for education, training, certifications, and professional development
• Career advancement through our structured iQTouch Program
• Up to 6% 401(k) match
• Additional 4% profit-sharing contribution, at company discretion