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Senior Linux Engineer Jobs in Belleville, IL (NOW HIRING)

Elite Technical

Sr. Elastic Engineer

Scott Air Force Base, IL · On-site

$110K - $151K/yr

Sr. Elastic Engineer (Scott AFB) We are seeking a Sr. Elastic Engineer to join our clients Federal ... Strong Linux/Unix, networking, and cloud platform knowledge (AWS, Azure, Google Cloud Platform ...

ECS

Sr. Elastic Engineer

Scott Air Force Base, IL · On-site

$100K - $138K/yr

ECS is seeking a Sr. Elastic Engineer to work in our Scott AFB, IL office. Are you passionate about ... Strong Linux/Unix, networking, and cloud platform knowledge (AWS, Azure, GCP). * Ability to mentor ...

GDIT

Senior DevOps Engineer

Saint Louis, MO · On-site

$126K - $162K/yr

... ENGINEER WILL MAKE AN IMPACT A Senior DevOps Engineer will drive faster, more reliable software ... Proficiency with Linux operating systems * Working experience with CI/CD pipelines (Gitlab, Jenkins ...

NAVA Software Solutions

Sr. Ruby Developer

Saint Louis, MO · On-site

$138K - $170K/yr

NAVA Software solutions is looking for a Ruby on Rails Developer Role: Sr. Ruby Developer Location ... Comfortable operating in Linux environment * Deployment & Config - Gitlab, Jenkins

Boeing

Senior DevSecOps Engineer

Berkeley, MO · On-site

$107K - $147K/yr

Senior DevSecOps Engineer Company: The Boeing Company The Boeing Company is currently seeking a ... Experience with Linux * Ability to obtain Security+ certification Conflict of Interest: Successful ...

Boeing

Senior DevSecOps Engineer

Berkeley, MO · On-site

$107K - $147K/yr

Senior DevSecOps Engineer Company: The Boeing Company The Boeing Company is currently seeking a ... Experience with Linux * Ability to obtain Security+ certification Conflict of Interest: Successful ...

CCS Global Tech

Sr. Elastic Engineer

Scott Air Force Base, IL · On-site

$110K - $151K/yr

We are seeking a Sr. Elastic Engineer to join our Professional team. The ideal candidate has hands ... Strong Linux/Unix, networking, and cloud platform knowledge (AWS, Azure, Google Cloud Platform)

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All JobsLinux Engineer JobsSenior Linux Engineer JobsSenior Linux Engineer Jobs in Belleville, IL

Senior Linux Engineer information

See Belleville, IL salary details

$10

$57

$74

How much do senior linux engineer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for senior linux engineer in Belleville, IL is $57.08, according to ZipRecruiter salary data. Most workers in this role earn between $46.68 and $70.05 per hour, depending on experience, location, and employer.

What is a senior Linux engineer?

A Senior Linux Engineer is responsible for designing, implementing, and maintaining Linux-based systems and infrastructure. They ensure system reliability, security, and performance while automating tasks using scripting and configuration management tools. This role often involves troubleshooting complex issues, optimizing system resources, and collaborating with development and operations teams. Senior Linux Engineers also contribute to scaling IT environments, integrating new technologies, and mentoring junior engineers. Strong expertise in networking, security, and cloud-based solutions is typically required for this position.

What does a senior Linux engineer do?

Senior Linux Engineers are often responsible for designing, deploying, and maintaining scalable Linux-based infrastructure, automating routine tasks, and ensuring high system availability. They regularly collaborate with software development teams, troubleshoot complex technical issues, and implement security best practices. In addition, they may participate in infrastructure upgrades, disaster recovery planning, and mentor junior team members. This combination of technical and collaborative work keeps the role both challenging and rewarding while offering opportunities for professional development.

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

To thrive as a Senior Linux Engineer, you need in-depth expertise in Linux system administration, scripting, networking, and troubleshooting, typically backed by a bachelor's degree in computer science or related field and several years of hands-on experience. Familiarity with tools such as Ansible, Docker, Kubernetes, and certifications like RHCE or LPIC are highly valued. Strong analytical skills, clear communication, and the ability to mentor junior engineers help set top performers apart. These skills are essential for maintaining reliable infrastructure, driving automation, and supporting team success in dynamic technical environments.

How much does a senior Linux engineer make?

A senior Linux engineer typically earns between $90,000 and $140,000 annually, depending on experience, location, and certifications such as RHCE or LPIC. They often work with Linux systems, scripting, and cloud environments, with higher salaries in tech hubs and for those with specialized skills.

Is Linux still in demand?

Linux engineers are in high demand due to the widespread use of Linux in servers, cloud infrastructure, and embedded systems. Skills in Linux system administration, scripting, and familiarity with tools like Bash and Docker enhance job prospects in this field.

What are popular job titles related to Senior Linux Engineer jobs in Belleville, IL?

For Senior Linux Engineer jobs in Belleville, IL, the most frequently searched job titles are:

What job categories do people searching Senior Linux Engineer jobs in Belleville, IL look for?

The top searched job categories for Senior Linux Engineer jobs in Belleville, IL are:

What cities near Belleville, IL are hiring for Senior Linux Engineer jobs?

Cities near Belleville, IL with the most Senior Linux Engineer job openings:

Senior Linux Engineer jobs near you
Infographic showing various Senior Linux Engineer job openings in Belleville, IL as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $118,720 per year, or $57.1 per hour.

Sr. Cloud Engineer - West with Security Clearance

SecureVision

Saint Louis, MO • On-site

$52.25 - $69.75/hr

Other

Re-posted 9 days ago

Job description

Our work depends on a TS/SCI cleared HPC Linux Engineer joining our team to support our Department of Defense (DoD) customer. Work on a development team, utilizing Agile scrum methodology, which is responsible for developing and maintain agency wide asynchronous messaging capability deployed across multiple security domains. The environment supports multiple tenants with a variety of different use cases. Specific Duties and Responsibilities:
• O&M of existing Apache Pulsar services hosted on Red Hat Openshift across multiple security domains in both Cloud and datacenter (vSphere) environments.
• Support deployment using Red Hat Openshift, Keycloak, Gitlab, Gitlab CI, GitOps, Harbor, and more.
• Deploy to new sites as they come online.
• Work with internal and external teams to understand integration requirements
• Work with Security to ensure ongoing compliance and develop secure solutions
• Compile detailed documentation WHAT YOU’LL NEED TO SUCCEED: Education/Experience: • Bachelor's Degree in Computer Programming, Science, Engineering or a related technical discipline.
• 10+ years Developer experience
• Meet DoD 8570 IAT Level II requirements including one of the following: Security+ CE, CND, SSCP, GSEC, GICSP, CySA+, or CCNA Desired Skills:
• Experience deploying and managing RedHat OpenShift in a cloud and/or vSphere environment
• Experience with Amazon Web Services
• Python, Shell scripting, Git (desired)
• Linux distributions: RHEL/RHCOS, CentOS
• CI/CD orchestration tools: GitLab CI, Jenkins, GitOps
• Container technology: Docker, Kubernetes, and Cloud Native Computing Foundation ecosystem in general Desired Certifications:
• Red Hat Certified Specialist in OpenShift Location: Customer Site US Citizenship Required

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