Linux System Administrator

Quevera LLC

$95K — $115K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI clearance with Polygraph required.
  • Technical field experience required, with education from accredited institutions.
  • 7 years of experience with a high school diploma or GED, 5 years with an associate degree, 3 years with a bachelor's degree, 1 year with a master's degree, or relevant Splunk certification required.
  • Strong Linux administration and troubleshooting experience.
  • Experience with Ansible or infrastructure automation.
  • Experience managing and securing virtual machines in enterprise environments.
  • Active CompTIA Security+ certification.

Responsibilities

  • Administer and maintain Linux virtual machines on OpenStack, AWS, and VMware.
  • Monitor health and performance of Linux virtual machines and Kubernetes-based environments.
  • Manage server certificate lifecycle and PKI implementation.
  • Install, update, and maintain software packages on Linux using YUM.
  • Ensure compliance with enterprise security requirements for Linux systems.
  • Support customer requests for virtual machine modifications and large-scale deployments.
  • Develop and maintain Ansible playbooks for infrastructure automation.
  • Support Kubernetes clusters with Rancher and kubectl.

Benefits

  • Opportunity to work with modern cloud and virtualization technologies.
  • Collaborative engineering team environment.
  • Expansion of expertise in Linux systems administration and infrastructure automation.
  • Exposure to Kubernetes and advanced VM management.
  • Engagement with mission-critical programs that support national security efforts.
Full Job Description
Job Description:

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.

Job 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.


Similar Jobs

More Jobs at Quevera LLC

More Aerospace & Defense Jobs

Find similar Linux System Administrator jobs: