ZipRecruiter

Log In

1

Senior Linux Administrator Jobs in Missouri (NOW HIRING)

Twenty80 llc

Sr Systems Administrator

California, MO · On-site

$90 - $120/hr

Role Summary A government-focused technology organization is seeking a Senior Systems Administrator ... Candidates may come from either a Windows administration or Linux administration background, and ...

Chenega MIOS

Sr. Systems Administrator

Saint Louis, MO · On-site

$81K - $110K/yr

Req ID: 41649 Summary Sr. Systems Administrator St. Louis, MO Are you ready to enhance your skills ... Red Hat Enterprise Linux (RHEL) * Active Directory * Experience implementing and maintaining STIG ...

Leidos

Senior Systems Administrator

Saint Louis, MO · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Saint Louis, MO · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Saic

Sr Systems Administrator

California, MO · On-site

$80 - $120/hr

The successful candidate will join a team of Administrators responsible for ... Managing our client's Windows, Linux, Azure, and M365 services and systems. You will be required to ...

Leidos

Senior Systems Administrator

Chesterfield, MO · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Saint Charles, MO · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Arnold, MO · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Fenton, MO · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

next page

Showing results 1-20

All JobsLinux Administrator JobsSenior Linux Administrator JobsSenior Linux Administrator Jobs in Missouri

Senior Linux Administrator information

See Missouri salary details

$35

$50

$65

How much do senior linux administrator jobs pay per hour?

As of Aug 26, 2026, the average hourly pay for senior linux administrator in Missouri is $50.03, according to ZipRecruiter salary data. Most workers in this role earn between $45.10 and $54.13 per hour, depending on experience, location, and employer.

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 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 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 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 are the most commonly searched types of Linux Administrator jobs in Missouri?

The most popular types of Linux Administrator jobs in Missouri are:

What cities in Missouri are hiring for Senior Linux Administrator jobs?

Cities in Missouri with the most Senior Linux Administrator job openings:

Infographic showing various Senior Linux Administrator job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 9% Part Time, 1% Temporary, 2% Contract, and 1% Nights. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $104,068 per year, or $50 per hour.

Senior Linux Administrator

Saint Louis, MO • On-site

Navtech, Inc.
Civil Engineering Construction • 11 - 50 employees
Learn more about Navtech, Inc.external

Contractor

Re-posted 6 days ago

Job description

Hi,
Greetings for the day!!!
This is Kevin Smith from Navtech Inc. I have an opportunity for "Linux Admin" _ in St Louis, MO (Remote till COVID)" and I am looking for a candidate who can join Immediately if you are interested, reply to me with your updated resume or if you could refer someone I would appreciate it.
Job Description:
Position: Linux Admin
Location: St Louis, MO (Remote till COVID)
Duration: 6 Months Contract then Permanent Hire
Requirements:
  • 10+ years of experience in supporting Linux Operating Systems (Redhat, Cent OS)
  • Good Hands-on experience with Linux Administration and Automation and shell scripting
  • Exposure to web-based software development or operations
  • Have experience or at least a strong interest in tools development and automation
  • Passion for writing great, simple, clean, efficient code
  • Excited to learn new technologies and tools as our applications and systems evolve
  • Experience in Scrum development techniques a plus
  • Working in a team environment where attention to source management, quality, and code documentation is expected
  • Degree in Computer Science or equivalent

Best Regards,
Kevin Smith | PH: 224-296-3545 | kevin@navtechusa.com| kevinsmithrecruiter2015@gmail.com
Lead Technical Recruiter |NAVTECH INC
Navtech logo

About Navtech

Sourced by ZipRecruiter

Industry

Civil engineering construction

Company size

11 - 50 Employees

Headquarters location

New Bloomfield, PA, US

Year founded

1996

View All Navtech Jobs

Apply