Linux Systems Administrator

Quevera, LLC.; Maryland; On-site; USD 120,000 - 180,000; Full time

Job summary

Quevera is seeking a Linux Systems Administrator in Annapolis Junction, MD to support operation and maintenance of Linux servers, virtual machines, shared storage, identity services, and network infrastructure in classified and unclassified environments.

The role requires a TS/SCI clearance with polygraph, at least five years of sysadmin experience, hands-on Linux administration, virtualization, storage, and scripting, plus strong documentation and communication.

Qualifications

• Active TS/SCI clearance with Polygraph is required.
• Minimum of five years of experience as a System Administrator.
• Hands-on Linux administration and troubleshooting of infrastructure.
• Experience with virtualization, storage, identity, and network components.
• Strong scripting and documentation skills.
• Active CompTIA Security+ certification.

Responsibilities

• Administer Oracle Linux 8, 9, and 10 systems: install, configure, patch, monitor, and troubleshoot.
• Maintain shared storage using ZFS Storage Appliance.
• Support FreeIPA identity and DNS services.
• Configure and troubleshoot network connectivity and Cisco IOS-XE devices with network teams.
• Assess CVEs, track remediation, and support IAVM management.
• Document system configurations, maintenance procedures, incidents, and changes.
• Maintain network availability and minimize service disruptions.

Skills

TS/SCI clearance

Linux system administration

Scripting

Documentation

Cisco IOS-XE

Virtualization

Education

CompTIA Security+ certification

Tools

Oracle Linux 8/9/10

ZFS Storage Appliance

FreeIPA

Cisco IOS-XE

OLVM/oVirt/Proxmox/VMware

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Full Time Annapolis Junction, MD, US

2 days ago Requisition ID: 3539

Job Description:

Quevera is seeking a Linux Systems Administrator with an active TS/SCI clearance with Polygraph in Annapolis Junction, Maryland.

This role supports the operation and maintenance of Linux servers, virtual machines, shared storage, identity services, and network infrastructure across classified and unclassified environments.

Job Responsibilities:

• Administer Oracle Linux 8, 9, and 10 systems, including installation, configuration, patching, monitoring, and troubleshooting.
• Maintain shared storage using Oracle ZFS Storage Appliance.
• Support FreeIPA identity and DNS services.
• Configure and troubleshoot network connectivity and Cisco IOS-XE devices in coordination with network teams.
• Assess Common Vulnerabilities and Exposures (CVEs), track remediation, and support Information Assurance Vulnerability Management (IAVM).
• Document system configurations, maintenance procedures, incidents, and changes.
• Maintain network availability and minimize service disruptions for users.
• Active TS/SCI clearance with Polygraph required.
• Minimum of five (5) years of experience as a System Administrator.
• Hands-on experience administering Linux systems and troubleshooting infrastructure issues.
• Ability to maintain reliable services across virtualization, storage, identity, and network components.
• Intermediate knowledge and hands-on experience with Cisco network administration.
• Advanced scripting skills, including modifying existing scripts and developing new scripts.
• Clear documentation and communication skills.
• Active CompTIA Security+ certification.

Desired Skills:

• Strong knowledge of CVEs and IAVM management.
• Experience with ZFS or comparable storage appliances, such as NetApp or Dell EMC.
• Strong virtualization experience with OLVM, oVirt, Proxmox, VMware, or similar platforms.

Why Join Quevera?

Award-Winning Culture

Quevera was recognized as a Top Workplace in the Washington, DC/Baltimore region for 2025, marking our fifth consecutive year receiving this distinction based on employee feedback.

We invest in our employees and their families through a highly competitive benefits package, including:

• 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

At Quevera, we believe exceptional people deserve exceptional opportunities. We're more than just a workplace-we're a team of innovators, problem-solvers, and industry experts committed to delivering mission-critical solutions while fostering professional growth, collaboration, and technical excellence.

Quevera is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age or any other characteristic protected by law. #LI-AA1