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Senior Linux Engineer Jobs in Silver Spring, MD (NOW HIRING)

Astrion

Sr. Linux Systems Administrator

Columbia, MD · On-site

$145K - $165K/yr

Overview Senior Linux Systems Administrator LOCATION: Columbia, MD (Onsite) JOB STATUS: Full-time ... Red Hat Certified Engineer (RHCE) or Red Hat Certified Architect (RHCA) * HPC experience with PBS ...

Astrion

Sr. Linux Systems Administrator

Columbia, MD · On-site

$145K - $165K/yr

Overview Senior Linux Systems Administrator LOCATION: Columbia, MD (Onsite) JOB STATUS: Full-time ... Red Hat Certified Engineer (RHCE) or Red Hat Certified Architect (RHCA) * HPC experience with PBS ...

Ignite IT

Senior Linux Administrator

Suitland, MD · On-site

Ignite IT is seeking a very experienced, senior-level Red Hat Linux Admin/Engineer to join and provide dedicated support to the Unix Management Branch of the Computer Services Division on our ...

Ignite IT

Senior Linux Administrator

Suitland, MD · On-site

Ignite IT is seeking a very experienced, senior-level Red Hat Linux Admin/Engineer to join and provide dedicated support to the Unix Management Branch of the Computer Services Division on our ...

Leidos

Senior Linux System Administrator

Alexandria, VA · On-site

$107K - $195K/yr

The Senior Linux System Administrator will work within a team engineers, developers and system administrators, adding new capabilities to our enclaves, as well as ensuring the existing systems are ...

The One 23 Group

Red Hat Linux Engineer

Arlington, VA · On-site

The Red Hat Linux Senior Engineer will provide senior-level engineering and administration support for Red Hat/Linux-based systems, focusing on monitoring and management of enterprise system ...

The One 23 Group

Red Hat Linux Engineer

Herndon, VA · On-site

The Position The Red Hat Linux Senior Engineer provides senior-level engineering and administration support for Red Hat/Linux-based systems. The position supports monitoring, management, and ...

The One 23 Group

Red Hat Linux Engineer

Arlington, VA · On-site

The Red Hat Linux Engineer provides senior-level support for Red Hat/Linux-based systems, focusing on monitoring, management, and integration of enterprise system management tools. Responsibilities ...

Leidos

Senior Linux Systems Admin (UiPath)

Alexandria, VA · On-site

$116K - $210K/yr

... Sr Linux Systems Administrator to support cloud modernization initiatives for the United States ... You'll work closely with cloud engineers, cybersecurity analysts, and program leadership to drive ...

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All JobsLinux Engineer JobsSenior Linux Engineer JobsSenior Linux Engineer Jobs in Silver Spring, MD

Senior Linux Engineer information

See Silver Spring, MD salary details

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How much do senior linux engineer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for senior linux engineer in Silver Spring, MD is $60.75, according to ZipRecruiter salary data. Most workers in this role earn between $49.71 and $74.57 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior Linux engineer?

To thrive as a Senior Linux Engineer, you need in-depth expertise in Linux system administration, scripting, networking, and troubleshooting, typically backed by a bachelor's degree in computer science or related field and several years of hands-on experience. Familiarity with tools such as Ansible, Docker, Kubernetes, and certifications like RHCE or LPIC are highly valued. Strong analytical skills, clear communication, and the ability to mentor junior engineers help set top performers apart. These skills are essential for maintaining reliable infrastructure, driving automation, and supporting team success in dynamic technical environments.

What does a senior Linux engineer do?

Senior Linux Engineers are often responsible for designing, deploying, and maintaining scalable Linux-based infrastructure, automating routine tasks, and ensuring high system availability. They regularly collaborate with software development teams, troubleshoot complex technical issues, and implement security best practices. In addition, they may participate in infrastructure upgrades, disaster recovery planning, and mentor junior team members. This combination of technical and collaborative work keeps the role both challenging and rewarding while offering opportunities for professional development.

How much does a senior Linux engineer make?

A senior Linux engineer typically earns between $90,000 and $140,000 annually, depending on experience, location, and certifications such as RHCE or Linux Foundation certifications. They often work with scripting, system administration, and cloud environments, with higher salaries in tech hubs and for those with advanced skills.

What is a senior Linux engineer?

A Senior Linux Engineer is responsible for designing, implementing, and maintaining Linux-based systems and infrastructure. They ensure system reliability, security, and performance while automating tasks using scripting and configuration management tools. This role often involves troubleshooting complex issues, optimizing system resources, and collaborating with development and operations teams. Senior Linux Engineers also contribute to scaling IT environments, integrating new technologies, and mentoring junior engineers. Strong expertise in networking, security, and cloud-based solutions is typically required for this position.

What are popular job titles related to Senior Linux Engineer jobs in Silver Spring, MD? For Senior Linux Engineer jobs in Silver Spring, MD, the most frequently searched job titles are:
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Senior Linux Engineer jobs near you
Infographic showing various Senior Linux Engineer job openings in Silver Spring, MD as of August 2026, with employment types broken down into 86% Full Time, 8% Part Time, and 6% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $126,356 per year, or $60.7 per hour.

Sr. Linux Systems Administrator

Astrion

Columbia, MD • On-site

$145K - $165K/yr

Full-time

Posted 8 days ago

Job description

Overview
Senior Linux Systems Administrator
LOCATION: Columbia, MD (Onsite)
JOB STATUS: Full-time
CLEARANCE: Active Top Secret / TS/SCI (Required)
TRAVEL: Less than 10%
SALARY RANGE: $145k - $165k
Astrion has an exciting opportunity for a highly experienced Senior Linux Systems Administrator to build, secure, and sustain the Linux server and workstation estate, the high-performance computing (HPC) cluster, and the enterprise storage that run across three or more isolated classified networks supporting Department of Defense/Department of War (DoD/DoW) environments in Columbia, MD. The ideal candidate brings deep Red Hat Enterprise Linux (RHEL) expertise, extensive experience operating inside closed and air-gapped classified enclaves, and a proven record of building and maintaining systems in compliance with Risk Management Framework (RMF), DoD STIG, and Comply-to-Connect (C2C) requirements. This position requires Monday through Friday on-site work at our facility in Columbia, MD.
REQUIRED QUALIFICATIONS / SKILLS
  • Active TS/SCI security clearance (required)
  • Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience)
  • 8+ years of Linux systems administration experience within DoD/DoW or classified environments
  • Deep expertise in:
    • RHEL administration (installation, patching, performance tuning, kernel and systemd, storage, and networking)
    • Scripting and automation (Bash, Python, Ansible)
    • Linux identity and authentication (LDAP/SSSD, Kerberos, FreeIPA or AD integration)
  • Demonstrated experience implementing and maintaining DoD STIG compliance on Linux
  • Hands-on experience administering an HPC cluster (workload scheduler such as PBS Professional or similar)
  • Experience administering enterprise storage (NetApp ONTAP, NFS)
  • Strong understanding of:
    • RMF (Risk Management Framework)
    • DISA security requirements and accreditation processes
    • DCSA accreditation standards
  • Active DoD 8140 (formerly DoD 8570) compliant baseline certification (e.g., Security+ CE, CISSP)
  • Active DoD 8140 compliant computing environment certification (e.g., minimum Red Hat Certified System Administrator (RHCSA))
  • Experience with:
    • Offline and air-gapped patching (Red Hat Satellite or internal repositories)
    • ACAS or Nessus and SCAP scanning
    • SIEM integration and log analysis
    • Continuous monitoring under RMF

KEY COMPETENCIES
  • Advanced Linux systems administration and troubleshooting
  • Security hardening and compliance enforcement
  • Automation and scripting
  • Strong analytical and problem-solving abilities
  • Excellent communication and documentation skills
  • Ability to operate in high-security, mission-critical environments

PREFERRED QUALIFICATIONS / SKILLS
  • Red Hat Certified Engineer (RHCE) or Red Hat Certified Architect (RHCA)
  • HPC experience with PBS Professional
  • NetApp Certified Data Administrator (NCDA)
  • Automation at scale (Ansible Automation Platform, Git-based configuration management)
  • Zero Trust architectures and containerization (Podman, Kubernetes) in classified environments
  • Prior experience supporting Cross Domain Solutions (CDS) programs
  • Experience with cloud-based DoD environments (e.g., Azure Government, Azure Secret)
  • Project management experience and experience briefing executive leadership

RESPONSIBILITIES
  • Administer, patch, and sustain RHEL servers and workstations across three or more isolated classified networks, each operated as its own authorization boundary
  • Build, harden, and baseline Linux systems to DoD Security Technical Implementation Guides (STIGs); remediate findings and control configuration drift
  • Administer and tune the HPC cluster, including compute nodes, the workload scheduler (e.g., PBS Professional), the shared or parallel filesystem, and the low-latency interconnect
  • Administer NetApp storage (ONTAP), including volumes, NFS and CIFS exports, snapshots, capacity planning, and backup and recovery
  • Automate provisioning, configuration, and remediation with Bash, Python, and Ansible, including on disconnected systems
  • Perform patching and updates on air-gapped networks through approved offline processes (e.g., Red Hat Satellite or internal repositories and trusted media transfer)
  • Administer Linux identity and access (LDAP/SSSD, Kerberos, FreeIPA or Active Directory integration, sudo, PAM), enforcing least privilege
  • Implement and maintain C2C and 802.1x posture for Linux endpoints and integrate with the security tool stack
  • Perform vulnerability remediation and continuous monitoring in accordance with RMF controls; run and interpret ACAS and SCAP scans and review audit logs
  • Support the Authority to Operate (ATO) process, including STIG checklists, POA&Ms, and risk assessments
  • Develop and maintain system documentation, diagrams, SOPs, and security artifacts
  • Troubleshoot complex issues across multi-network, multi-vendor environments
  • Collaborate with cybersecurity, network, systems engineering, and mission stakeholders to ensure secure, reliable operations
  • Support audits, inspections, and compliance validation activities

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