1

Senior Linux System Administrator Jobs in Missouri

I have an opportunity for "Linux Admin" _ in St Louis, MO (Remote till COVID)" and I am looking for ... Excited to learn new technologies and tools as our applications and systems evolve * Experience in ...

Monitor system health, capacity, performance, and availability, proactively identifying and resolving issues before they impact business operations. * Perform operating system upgrades, patch ...

Monitor system health, capacity, performance, and availability, proactively identifying and resolving issues before they impact business operations. * Perform operating system upgrades, patch ...

Job#: 3046574 Sr. Linux Developer Location: Bridgeton, Missouri (On-site) Role Overview This role ... Develop and implement strategies for system design, OS hardening, security lockdown, and software ...

Skills: Linux System Administration, Red Hat Ansible, Scripting Certifications: None Experience ... Administer, maintain, and optimize Nutanix hyperconverged infrastructure (HCI) , including AHV ...

Skills: Linux System Administration, Red Hat Ansible, Scripting Certifications: None Experience ... Administer, maintain, and optimize Nutanix hyperconverged infrastructure (HCI) , including AHV ...

Administer, maintain, and optimize Nutanix hyperconverged infrastructure (HCI), including AHV ... Bash & Python) * Standardize system configuration, patching, and deployment processes through ...

System Administrator

Earth City, MO ยท On-site

$60K - $85K/yr

Maintain, monitor, and optimize physical and virtual server infrastructure (Windows/Linux ... Red Hat Certified System Administrator (RHCSA) Technical Skills Required: * Windows Server & Linux ...

System Administrator

Earth City, MO ยท On-site

$60K - $85K/yr

Maintain, monitor, and optimize physical and virtual server infrastructure (Windows/Linux ... Red Hat Certified System Administrator (RHCSA) Technical Skills Required: * Windows Server & Linux ...

next page

Showing results 1-20

Senior Linux System Administrator information

See Missouri salary details

$20.6K

$119.3K

$167.4K

How much do senior linux system administrator jobs pay per year?

As of Aug 30, 2026, the average yearly pay for senior linux system administrator in Missouri is $119,340.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,400.00 and $140,700.00 per year, depending on experience, location, and employer.

What is a senior Linux system administrator?

A Senior Linux System Administrator is responsible for managing, configuring, and maintaining Linux-based systems and servers. They handle system performance tuning, security hardening, troubleshooting, and automation through scripting and configuration management tools. Additionally, they oversee backups, software updates, and infrastructure reliability. This role often involves mentoring junior administrators and collaborating with development and IT teams to support business operations.

What are the typical daily responsibilities of a senior Linux system administrator?

Senior Linux System Administrators are responsible for managing, maintaining, and optimizing Linux-based servers and infrastructure. Their daily tasks often include monitoring system performance, managing user permissions, applying security patches, automating processes through scripting, and troubleshooting technical issues. They regularly collaborate with developer, security, and operations teams to support new deployments and ensure system reliability. Additionally, they may mentor junior administrators and contribute to designing infrastructure improvements, making this a dynamic and influential role within IT operations.

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

To thrive as a Senior Linux System Administrator, you need deep expertise in Linux/UNIX system administration, scripting, networking, and troubleshooting, typically backed by several years of industry experience and a relevant degree or certifications like RHCE or CompTIA Linux+. Proficiency with tools such as Ansible, Puppet, Docker, and monitoring platforms, as well as experience with cloud environments, is highly valued. Strong problem-solving abilities, communication skills, and the capacity to mentor junior team members are crucial soft skills. These abilities are essential for ensuring reliable system uptime, seamless team collaboration, and effective response to complex IT challenges.

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

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

What are popular job titles related to Senior Linux System Administrator jobs in Missouri?

For Senior Linux System Administrator jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Senior Linux System Administrator jobs in Missouri look for?

The top searched job categories for Senior Linux System Administrator jobs in Missouri are:

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

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

What are popular job titles related to Senior Linux System Administrator jobs in MO?

For Senior Linux System Administrator jobs in MO, the most frequently searched job titles are:

Infographic showing various Senior Linux System Administrator job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 11% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $119,340 per year, or $57.4 per hour.

Linux Systems Administrator

O Fallon, MO โ€ข On-site

Other

Posted 6 days ago


Job description

Hello,

Hope you are doing great.

We have an immediate Requirements for these role

 

 Hiring: Linux Systems Administrator

 Location: St. Louis, MO (Day1 Onsite)

 Job Type: Long Term Contract   

Job Description:

Linux Systems Administrator, Platform Support to provide support of technical hardware and software expertise in support of Linux Operating systems and platforms. This is a senior-level IT support position, with the expectation that the candidate has the advance Linux skills and knowledge with the ability to learn proprietary systems fast. Assist peer Linux architects & operational resources with day-to-day IT support functions and maintenance activities.

Role:

* Support and maintain operating system(s), such as Oracle Linux along with VMware to service customers.

* Complete status reports, implementations, troubleshooting of systems

* Use configuration management and infrastructure automation for repeatable tasks

* Design and implementation of OS build processes and automation providing the right level of control and validation

* Assist users with Operating Systems or hardware problems.

Required skills:

โ€ข Linux Engineer

โ€ข Linux troubleshooting knowledge (RHEL)

โ€ข Basic network troubleshooting required.

Knowledge / Experience:

* 5+ year of experience in systems administration

* Knowledge of operating systems, infrastructure software, communications, computer hardware and peripherals.

* Good knowledge and understanding of computer technology, incident management and problem resolution procedures is preferred.

* An understanding of project management principles is preferred.

Skills/ Abilities:

* Professionalism skills and good work ethics are required.

* Linux troubleshooting knowledge (RHEL).

* Basic network troubleshooting required.

Education:

* Bachelorโ€™s or relevant associate degree with emphasis on information technologies or the equivalent job-related experience.

Rajesh (Thomas)

Senior Technical Recruiter

ICS Globalsoft Inc

1231 Greenway Drive | Ste 375 | Irving, TX 75038

E-mail: |

Direct Number: Ext: 127

NMSDC Certified | Certified Minority Business Enterprise (MBE), SBE | An E-Verify company

 According to Bill S.1618 Title III passed by the 105th US Congress, this message is not considered as "Spam" as we have included the contact information. If you wish to be removed from our mailing list, please respond with "remove" in the subject field. We apologize for any inconvenience caused.