Linux Systems Administrator

Quevera; Maryland; On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Medical coverage

Dental & Vision insurance

Disability coverage

Life insurance

Education & certifications stipend

401(k) match

Profit-sharing

Job summary

Quevera is seeking a Linux Systems Administrator in Annapolis Junction, Maryland, to manage Linux servers, virtual machines, shared storage, identity services and network infrastructure in classified and unclassified environments.

The role requires active TS/SCI clearance with Polygraph, extensive Linux experience, scripting ability, and strong documentation skills. The team focuses on mission-critical systems with rigorous IA controls and collaboration across networks and storage teams.

Qualifications

• Active TS/SCI clearance with Polygraph.
• Five+ years of experience as a System Administrator.
• Hands‑on Linux administration and troubleshooting experience.
• Maintain reliable services across virtualization, storage, identity and network components.
• Intermediate Cisco network administration.
• Advanced scripting skills; modify and develop scripts.
• Clear documentation and communication skills.
• Active CompTIA Security+ certification.

Responsibilities

• Administer Oracle Linux 8, 9, and 10 systems, including installation, configuration, patching, monitoring and troubleshooting.
• Manage virtual machines using Oracle Linux Virtualization Manager (OLVM).
• 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.
• Document system configurations, maintenance procedures, incidents and changes.
• Maintain network availability and minimize service disruptions for users.

Skills

Linux system administration

Security clearance

Scripting

Documentation

Network administration

Education

CompTIA Security+ certification

Tools

OLVM

FreeIPA

ZFS Storage Appliance

Cisco IOS-XE

Oracle Linux

Job description

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.
• Manage virtual machines using Oracle Linux Virtualization Manager (OLVM).
• 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.

Minimum Requirements

• 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.
• Network configuration experience, including Cisco IOS-XE.
• 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.

Outstanding Benefits

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.