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Linux System Administrator Per Diem Jobs in Washington

MANTECH

Linux System Administrator

Laurel, MD · On-site

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure ...

MANTECH

Linux System Administrator

Laurel, MD · On-site

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure ...

Quevera, LLC.

Linux System Administrator

Odenton, MD · On-site

$125 - $150/hr

... 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 ...

CTC

Linux System Administrator- 3371464

Laurel, MD · On-site

$120K - $180K/yr

Computer Technologies Consultants (CTC) is seeking a Linux System Administrator to support the Intelligence Community in Laurel, MD. With offices in Washington DC and San Diego, CA, CTC is a leading ...

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Linux System Administrator Per Diem information

What is a Linux System Administrator Per Diem?

A Linux System Administrator Per Diem is an IT professional who manages and maintains Linux-based servers and systems on an as-needed, short-term, or daily basis. Unlike full-time administrators, per diem workers are typically hired for specific projects, to cover staff absences, or to handle urgent technical issues. Their responsibilities include installing and configuring Linux servers, monitoring system performance, applying security updates, and troubleshooting problems. This flexible role is common in organizations that need expert Linux support without a permanent hire.

What are the key skills and qualifications needed to thrive as a Linux System Administrator Per Diem?

To thrive as a Linux System Administrator Per Diem, you need strong expertise in Linux operating systems, scripting, and troubleshooting, often backed by a degree in computer science or relevant certifications like RHCE or CompTIA Linux+. Familiarity with tools such as Bash, Ansible, Nagios, and virtualization platforms is typically required. Excellent problem-solving abilities, adaptability, and clear communication skills help you collaborate effectively and respond quickly to urgent system issues. These skills and qualifications are crucial to ensure system reliability, security, and efficient resolution of technical challenges in a flexible, on-call environment.

What are some unique challenges faced by Linux System Administrator Per Diem professionals, and how can they prepare for them?

Linux System Administrator Per Diem roles often involve stepping into dynamic environments with limited onboarding time, making adaptability and quick troubleshooting skills essential. Since per diem administrators frequently work on short-term projects or fill in for absent staff, they must rapidly familiarize themselves with existing system configurations, documentation, and team workflows. Proactively maintaining up-to-date knowledge of various Linux distributions and scripting languages, as well as strong communication skills, can help in collaborating effectively with permanent IT staff. Being organized and detail-oriented is key to ensuring system stability and smooth handoffs at the end of assignments.

What is the difference between Linux System Administrator Per Diem vs Linux System Administrator?

AspectLinux System Administrator Per DiemLinux System Administrator
CredentialsTypically requires Linux certifications (e.g., RHCE, CompTIA Linux+)Same as per diem, often with additional certifications preferred
Work EnvironmentContract-based, short-term projects, often on-site or remoteFull-time, permanent employment, on-site or remote
Employer & Industry UsageUsed by government agencies, contractors, or consulting firms for temporary staffingEmployed by companies across industries for ongoing IT infrastructure management

The main difference between Linux System Administrator Per Diem and Linux System Administrator lies in employment type and duration. Per diem roles are temporary, contract-based positions suited for short-term projects, while full-time Linux System Administrators have ongoing responsibilities within organizations. Both roles require similar skills and certifications, but their work arrangements differ significantly.

What are the most commonly searched types of Linux System Administrator jobs in Washington?

The most popular types of Linux System Administrator jobs in Washington are:

What are popular job titles related to Linux System Administrator Per Diem jobs in Washington?

For Linux System Administrator Per Diem jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Linux System Administrator Per Diem jobs in Washington look for?

The top searched job categories for Linux System Administrator Per Diem jobs in Washington are:

What cities in Washington are hiring for Linux System Administrator Per Diem jobs?

Cities in Washington with the most Linux System Administrator Per Diem job openings:

Linux System Administrator Per Diem jobs near you
Infographic showing various Linux System Administrator Per Diem job openings in Washington as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 12% Part Time, and 4% Contract. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution.

Linux System Administrator

MANTECH

Laurel, MD • On-site

Other

Re-posted 12 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

48th of 247 rated software companies

Job description

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. 

You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization—the foundation of all Enterprise Information Technology (EIT) for MPO.

Responsibilities include but are not limited to: 

  • Configure and manage Linux operating systems.  Installs/loads operating system software, troubleshoots maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance. 
  • Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. 
  • Manage IT system infrastructure and any processes related to these systems. 
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc. 
  • Provide support for the dispatch system and hardware problems and will remain involved in the resolution process. 
  • Optimize system operations and resource utilization and perform system capacity analysis and planning. 
  • Analyze and resolve complex problems associated with server hardware, applications and software integration.

 Minimum Qualifications:

  • Bachelor’s degree in technical discipline from an accredited college or university.
  • 20 years’ experience as an Systems Administrator/Engineer in programs and contracts of similar scope, type and complexity is required.
  • Demonstrated experience in planning and leading Systems Administration/Engineering efforts is required.
  • Must be proficient with troubleshooting in a Linux Red Hat environment.  
  • Experience with VMWare 
  • Demonstrated experience with modern automation/configuration tools such as Splunk or Ansible 
  • IAT I certification (DoD 8140 required within 60 days of starting employment.  Acceptable certifications include A+ CE/CCNA-Security/CND/Network+ CE /CySA+/GICSP/GSEC/Security+ CE/CND/SSCP) 

Preferred Qualifications:

  • Experience/familiarization with full lifecycle management of Linux systems, to include provisioning, configuration management and patching. 
  • Red Hat Certified System Administration Certification. 
  • Experience with NetAPP 

Clearance Requirements:

  • Must have a current/active Top Secret/SCI with Polygraph 

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time. 
  • Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication. 

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