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Senior Linux Administrator Jobs (NOW HIRING)

Mondo

Senior Linux Administrator

Owings Mills, MD · On-site

$55 - $60/hr

Senior Linux Administrator, location is Owings Mills, MD. The start date is ASAP for this 12-month contract position. Job Title: Senior Linux Administrator Location-Type: Hybrid (Owings Mills, MD - 2 ...

Mondo

Senior Linux Administrator

Owings Mills, MD · On-site

$55 - $60/hr

Senior Linux Administrator, location is Owings Mills, MD. The start date is ASAP for this 12-month contract position. Job Title: Senior Linux Administrator Location-Type: Hybrid (Owings Mills, MD - 2 ...

Experis

Senior Linux Administrator

Owings Mills, MD · On-site

$59 - $62/hr

As a Senior Linux Administrator, you will be part of the Infrastructure Support team supporting critical enterprise environments across on-prem and cloud platforms. The ideal candidate will ...

Navtech, Inc.

Senior Linux Administrator

Lansing, MI · On-site

Senior Linux Administrator Location: Lansing, MI Duration: 12 months Client: Ardent Technologies Inc. / Department of Treasury Field Offices Requirement: 5 years Matter level expertise in Linux ...

ValidaTek, Inc.

Senior Linux Administrator

Pensacola, FL · On-site

$90K - $115K/yr

... Senior Linux Administrator to support the Cybersecurity Systems Support (CSS) contract with the Defense Information Systems Agency (DISA). This position is responsible for the architecture, day-to ...

ValidaTek

Senior Linux Administrator

Pensacola, FL · On-site

ValidaTek is seeking a reliable and highly skilled Senior Linux Administrator to support the Cybersecurity Systems Support (CSS) contract with the Defense Information Systems Agency (DISA). This ...

INSPYR Solutions

Senior Linux Administrator

Garrison, MD · On-site

$50 - $55/hr

Overview We are seeking a Senior Linux Administrator to manage and optimize enterprise operating system environments across on-premises and cloud platforms. This role is responsible for the design ...

Argo Cyber Systems

Senior Linux Administrator

Arlington, VA · On-site

$100K - $120K/yr

Senior Linux Administrator Location: Arlington, VA (On-Site) Citizenship: US only Clearance: Active TS/SCI (DHS EOD Suitability required) Company: Argo Cyber Systems, LLC - Service-Disabled Veteran ...

Argo Cyber Systems

Senior Linux Administrator

Arlington, VA · On-site

$100K - $120K/yr

Senior Linux Administrator Location: Arlington, VA (On-Site) Citizenship: US only Clearance: Active TS/SCI (DHS EOD Suitability required) Company: Argo Cyber Systems, LLC - Service-Disabled Veteran ...

Ignite IT

Senior Linux Administrator

Suitland, MD

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 ...

SquareDomain

Senior Linux Administrator

Austin, TX · On-site

This is an exciting opportunity for a highly motivated Senior Linux Administrator to provide UNIX support for our client's global infrastructure. Working alongside fellow team members and others ...

SquareDomain

Senior Linux Administrator

Austin, TX · On-site

This is an exciting opportunity for a highly motivated Senior Linux Administrator to provide UNIX support for our client's global infrastructure. Working alongside fellow team members and others ...

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How much do senior linux administrator jobs pay per hour?

As of Jul 16, 2026, the average hourly pay for senior linux administrator in the United States is $53.34, according to ZipRecruiter salary data. Most workers in this role earn between $48.08 and $57.69 per hour, depending on experience, location, and employer.

What are some typical challenges a Senior Linux Administrator faces when managing large-scale server environments?

Senior Linux Administrators often encounter challenges such as ensuring system reliability across numerous servers, automating routine maintenance tasks, and maintaining security compliance. Balancing the need for rapid updates with minimizing downtime requires careful planning and coordination with other IT teams. Additionally, troubleshooting complex issues in heterogeneous environments can demand deep expertise and effective communication with developers, network engineers, and support staff.

What are the key skills and qualifications needed to thrive as a Senior Linux Administrator, and why are they important?

To thrive as a Senior Linux Administrator, you need advanced expertise in Linux operating systems, scripting languages (like Bash or Python), and strong troubleshooting abilities, typically backed by several years of experience and a relevant degree or certifications such as RHCE. Familiarity with configuration management tools (Ansible, Puppet), virtualization platforms, cloud environments, and monitoring systems is essential. Strong problem-solving, communication, and teamwork skills help you efficiently resolve incidents and coordinate with other IT professionals. These skills ensure system reliability, security, and optimal performance in complex, mission-critical IT environments.

What does a Senior Linux Administrator do?

A Senior Linux Administrator is responsible for installing, configuring, maintaining, and securing Linux servers and systems in an organization. They monitor system performance, troubleshoot issues, and ensure high availability and reliability of critical infrastructure. Their duties often include automating routine tasks, managing user permissions, applying security updates, and supporting development teams. Senior administrators typically also mentor junior staff and contribute to planning and implementing IT strategies.

What is the difference between Senior Linux Administrator vs Linux Engineer?

AspectSenior Linux AdministratorLinux Engineer
CertificationsLinux+, RHCE, LPIC-2Linux+, RHCE, LPIC-2
Work EnvironmentData centers, enterprise servers, IT teamsDevelopment environments, cloud platforms, automation projects
Primary FocusSystem maintenance, troubleshooting, security, performance tuningDesigning, developing, and implementing Linux-based solutions

While both roles require similar certifications and often work within enterprise environments, Senior Linux Administrators focus on maintaining and securing existing systems, whereas Linux Engineers are more involved in designing and building new Linux solutions. The roles complement each other but differ in scope and responsibilities.

What cities are hiring for Senior Linux Administrator jobs? Cities with the most Senior Linux Administrator job openings:
What are the most commonly searched types of Linux Administrator jobs? The most popular types of Linux Administrator jobs are:
What states have the most Senior Linux Administrator jobs? States with the most job openings for Senior Linux Administrator jobs include:
Infographic showing various Senior Linux Administrator job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 1% Temporary, and 2% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $110,947 per year, or $53.3 per hour.
Senior Linux Administrator

Senior Linux Administrator

Mondo

Owings Mills, MD • On-site

$55 - $60/hr

Contractor

Medical, Dental, Vision, Retirement

This job post has expired today. Applications are no longer accepted.

Job description

Apply now: Senior Linux Administrator, location is Owings Mills, MD. The start date is ASAP for this 12-month contract position.

Job Title: Senior Linux Administrator
Location-Type: Hybrid (Owings Mills, MD – 2 Days Onsite Per Week)
Start Date Is: ASAP
Duration: 12-Month Contract (Potential Extension up to 2 Years)
Compensation Range: $55/hr - $60/hr W2
Benefits: Eligible for Health, Dental, Vision, 401K
Must be authorized to work in the U.S. This position is not eligible for sponsorship.

Job Description:
Our client is seeking a Senior Linux Administrator to manage and optimize enterprise Red Hat Linux environments supporting mission-critical infrastructure across multiple data centers. This individual will be responsible for Linux administration, VMware support, automation, monitoring, disaster recovery, and lifecycle management while partnering closely with storage, virtualization, backup, and cloud infrastructure teams. The ideal candidate has deep experience supporting enterprise RHEL environments and thrives in highly available production environments.

Day-to-Day Responsibilities:
• Administer and support enterprise Red Hat Enterprise Linux (RHEL 7/8/9) environments.
• Manage Linux systems running within VMware vSphere virtualized infrastructure.
• Perform server provisioning, patching, upgrades, and lifecycle management using Red Hat Satellite.
• Monitor Linux infrastructure health, availability, performance, and capacity using Prometheus and Grafana.
• Automate system administration tasks using Ansible and Shell scripting.
• Troubleshoot Linux operating system, networking, and VMware-related issues.
• Support disaster recovery operations, replication testing, and production recovery activities.
• Work directly with Red Hat support to resolve complex infrastructure issues.
• Execute operating system upgrades, migrations, and infrastructure modernization initiatives.
• Fulfill server administration and user access requests.
• Maintain technical documentation, runbooks, and system inventories.
• Partner closely with storage, virtualization, backup, cloud, and infrastructure engineering teams.
• Participate in a rotating 24/7 production on-call schedule supporting critical enterprise systems.

Requirements:

Minimum Requirements:
• 7 years of enterprise Linux administration experience.
• Strong hands-on experience administering Red Hat Enterprise Linux (RHEL 7/8/9).
• Experience supporting VMware/vSphere virtualized Linux environments.
• Strong Ansible automation experience.
• Strong Shell scripting experience.
• Experience using Prometheus and Grafana for enterprise monitoring.
• Experience with Red Hat Satellite for patching and lifecycle management.
• Experience supporting enterprise disaster recovery operations and DR testing.
• Experience supporting large enterprise production Linux environments.
• Experience working within ITIL and ServiceNow environments.
• Strong troubleshooting skills across Linux operating systems, virtualization, networking, and infrastructure.
• Comfortable participating in a rotating production on-call schedule.

Preferred Qualifications:
• Red Hat Certified Engineer (RHCE) or Red Hat Certified Architect (RHCA).
• VMware Certified Professional (VCP).
• Puppet configuration management experience.
• AWS or cloud infrastructure experience.
• Experience supporting large-scale enterprise or highly regulated data center environments.
• Experience leading Linux migration or modernization initiatives.
• Experience with Linux security hardening and SELinux.

Preferred Certifications:
• Red Hat Certified Engineer (RHCE)
• Red Hat Certified Architect (RHCA)
• VMware Certified Professional (VCP)
• Red Hat Certified System Administrator (RHCSA)
• ITIL Foundation Certification