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Linux System Administrator Jobs in Dahlgren, VA (NOW HIRING)

Apolis

Linux System Admin

Dahlgren, VA · On-site

Linux Systems Administrator Location: Dahlgren, VA Schedule: Hybrid (3 days onsite / 2 days remote) Clearance: TS or Interim TS (must be able to obtain/maintain Top Secret) Overview Seeking a Linux ...

Bowhead

Linux Systems Administrator

King George, VA

$100K - $105K/yr

The Linux Administrator is responsible for system administration and customer support of servers and workstations in a Research, Development, and Testing and Evaluation (RDT&E) environment.

Watershed Security

Unix/Linux Administrator

Dahlgren, VA · On-site

$60K - $65K/yr

Watershed is looking for a hands-on Unix/Linux Systems Administrator to support NSWCDD.; onsite in Dahlgren, VA. REQUIRED QUALIFICATIONS Key ResponsibilitiesThree (3) years of professional experience ...

Watershed Security

Unix/Linux Administrator

Dahlgren, VA · On-site

$60K - $65K/yr

Watershed is looking for a hands-on Unix/Linux Systems Administrator to support NSWCDD.; onsite in Dahlgren, VA. REQUIRED QUALIFICATIONS Key Responsibilities Three (3) years of professional ...

Watershed Security

Unix/Linux Administrator

Dahlgren, VA · On-site

$60 - $80/hr

Watershed is looking for a hands-on Unix/Linux Systems Administrator to support NSWCDD. onsite in Dahlgren, VA. Key Responsibilities Three (3) years of professional experience in UNIX and/or Linux ...

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How much do linux system administrator jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for linux system administrator in Dahlgren, VA is $52.99, according to ZipRecruiter salary data. Most workers in this role earn between $41.92 and $63.75 per hour, depending on experience, location, and employer.

What is a Linux system administrator?

A Linux system administrator— or sysadmin—is an information technology professional who oversees the lifespan of Linux software installed on a server, computer, or other pieces of hardware, including network devices. As a Linux sysadmin, your responsibilities include software installation, day-to-day maintenance of applications, and an overall understanding of Linux operating systems. As part of the daily maintenance team, your job is to monitor system health and ensure that security patches are up-to-date, so that network systems perform well for business users.

What are the key skills and qualifications needed to thrive as a Linux system administrator?

To thrive as a Linux System Administrator, you need a strong understanding of Linux operating systems, system troubleshooting, and networking, often supported by a degree in computer science or related certifications like CompTIA Linux+ or Red Hat Certified System Administrator (RHCSA). Familiarity with command-line interfaces, shell scripting, system monitoring tools, and configuration management systems like Ansible or Puppet is essential. Problem-solving abilities, attention to detail, and effective communication are standout soft skills in this role. These skills and qualities ensure reliable system performance, quick resolution of technical issues, and smooth collaboration within IT teams.

What are some common challenges faced by Linux system administrators when managing large-scale server environments?

Linux System Administrators often encounter challenges such as maintaining consistent configurations across numerous servers, ensuring security compliance, and minimizing downtime during updates or maintenance. Managing automation tools, such as Ansible or Puppet, and monitoring system performance are also critical aspects. Effective communication and collaboration with development and network teams are essential to quickly resolve issues and implement new technologies smoothly.

What is the difference between Linux System Administrator vs Network Administrator?

AspectLinux System AdministratorNetwork Administrator
CertificationsLinux+, LPIC, RHCSACompTIA Network+, Cisco CCNA
Work EnvironmentServers, data centers, cloud platformsNetworking hardware, routers, switches
ResponsibilitiesManaging Linux servers, scripting, securityConfiguring networks, troubleshooting connectivity
Industry UsageIT, hosting, cloud servicesTelecommunications, enterprise networks

While both roles involve IT infrastructure, a Linux System Administrator focuses on managing Linux servers and related software, whereas a Network Administrator specializes in maintaining and troubleshooting network hardware and connectivity. Both roles require specific certifications and are vital in ensuring smooth IT operations within organizations.

Are Linux System Administrators in high demand?

Linux System Administrators are in high demand due to the widespread use of Linux in servers, cloud infrastructure, and cybersecurity. Employers seek professionals with skills in scripting, networking, and system security, often requiring certifications like CompTIA Linux+ or RHCE.

How much do Linux system administrators make?

Linux system administrators typically earn between $60,000 and $100,000 annually, depending on experience, certifications, and location. Senior roles or those with specialized skills in scripting, networking, or cloud platforms can earn higher salaries. Entry-level positions generally start around $50,000 to $70,000.

Is a Linux System Administrator a good job?

A Linux System Administrator is a valuable role responsible for managing and maintaining Linux-based servers and infrastructure. It often requires skills in scripting, networking, and security, and can offer stable employment with opportunities for certification and career growth.
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Linux System Administrator jobs near you
Infographic showing various Linux System Administrator job openings in Dahlgren, VA as of August 2026, with employment types broken down into 94% Full Time, and 6% Contract. Highlights an 94% In-person, and 6% Remote job distribution, with an average salary of $110,219 per year, or $53 per hour.

Linux System Admin

Apolis

Dahlgren, VA • On-site

Other

Posted 19 days ago

Job description

Linux Systems Administrator
Location: Dahlgren, VA
Schedule: Hybrid (3 days onsite / 2 days remote)
Clearance: TS or Interim TS (must be able to obtain/maintain Top Secret)
 
 
Overview
Seeking a Linux Systems Administrator (UNIX) to support a Research, Development, Testing & Engineering (RDT&E) environment. This role provides Tier III support for Linux-based servers and workstations across classified and unclassified environments, supporting engineering and computational workloads.
 

Key Responsibilities
  • Administer, maintain, and support Red Hat Enterprise Linux (RHEL 7.x) systems
  • Provide Tier III troubleshooting and system performance optimization
  • Implement automated system deployments (e.g., Kickstart / Anaconda)
  • Apply and maintain DISA STIG compliance within configuration-managed environments
  • Support PKI-based authentication and secure access controls
  • Administer servers and end-user workstations in classified and unclassified LAN/WAN environments
  • Perform system analysis and implement solutions to improve system performance and reliability
  • Install, configure, patch, and maintain operating systems and applications
  • Manage users, groups, and centralized authentication services
  • Configure and manage:
    • Storage (partitions, LVM)
    • File systems (permissions, ACLs, encryption, NFS)
    • Logging (including remote logging)
    • Networking services (HTTP/HTTPS, DNS, SMTP, SSH, NTP)
    • Network configurations (static routes, NAT, packet filtering)
  • Monitor system performance and deliver utilization and health reports
  • Develop and maintain shell scripts to automate administrative tasks
  • Manage backup/recovery, software distribution, and license tracking
  • Collaborate with engineers supporting compute-intensive workloads
  • Participate in hardware planning, vendor coordination, and cross-team collaboration
 
Required Qualifications
  • 4–6 years of Linux system administration experience
  • Experience supporting Linux-based servers and workstations
  • Hands-on experience with:
    • Red Hat Enterprise Linux (RHEL 7.x)
    • DISA STIGs and DoD security compliance
  • Strong knowledge of:
    • Linux system operations and command-line tools
    • Networking fundamentals in LAN/WAN environments
    • System security (firewalls, SELinux, access controls)
  • Experience in classified and/or secure environments preferred
  • Strong troubleshooting, analytical, and problem-solving skills
  • Ability to multi-task and provide end-user support
  • Strong written and verbal communication skills
 
Certifications
  • DoD 8570/8140 IAT Level II certification required
    • Acceptable certifications include: Security+ CE, GSEC, SSCP, CCNA-Security (or equivalent)
 
Physical Demands
  • Ability to lift up to 10–20 pounds
  • Ability to stand and walk for extended periods
  • Ability to bend, twist, and squat periodically

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