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Linux Certified Jobs in Illinois (NOW HIRING)

Junior Red Hat Linux Engineer

Virginia, IL ยท On-site

$110 - $120/hr

Understanding of SSL/TLS Certificate and OS hardening. * Strong understanding of Network ... Linux * 3+ (RHEL) operating system in an enterprise environment RHEL 7.x or greater * Experience ...

System Administration (primary function) Manage the server (Linux) and user (Windows) computer ... certifications desirable Additional Information Total Compensation Package 120k to 185k ...

... certify in all four major platforms. One of the benefits of Kyndryl is that we work with clients in ... Linux on IBM Z (RHEL/SUSE/Ubuntu) * Hands-on experience with: * Virtual machine provisioning and ...

Lead Linux Engineer

Chicago, IL ยท On-site

$120 - $185/hr

Manage the server (Linux) and user (Windows) computer environment * Troubleshoot and resolve ... certifications desirable Additional Information Total Compensation Package 120k to 185k ...

Linux Systems Administrator

Chicago, IL ยท On-site +1

$82K - $110K/yr

Responsibilities Sentinel is seeking a Linux Systems Engineer for one of our strategic partners ... certification and hands-on training, and values a team-oriented culture with rewards based on ...

System Administration (primary function) Manage the server (Linux) and user (Windows) computer ... certifications desirable Qualifications Additional Information Total Compensation Package 120k to ...

Preferred Qualifications: - Bachelor's degree in computer science or IT related field is a plus. - Industry relevant certifications such as: CompTIA, Network+, Cisco/CCNA, Linux. - Ability to explain ...

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Showing results 1-20

Linux Certified information

See Illinois salary details

$48.2K

$121.3K

$151.5K

How much do linux certified jobs pay per year?

As of Sep 6, 2026, the average yearly pay for linux certified in Illinois is $121,298.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,800.00 and $144,100.00 per year, depending on experience, location, and employer.

What is a Linux Certified professional?

A Linux Certified professional is an individual who has passed a certification exam demonstrating their knowledge and skills in managing, configuring, and troubleshooting Linux operating systems. These certifications, such as CompTIA Linux+, Red Hat Certified System Administrator (RHCSA), or LPIC, validate a person's ability to work with Linux in professional IT environments. Having a Linux certification can enhance job opportunities and credibility, especially for roles in system administration, DevOps, and cloud computing.

What are some common challenges faced by Linux Certified professionals in a collaborative IT environment?

Linux Certified professionals often work closely with cross-functional teams, including developers, network engineers, and security analysts. A common challenge is ensuring seamless integration and compatibility between Linux systems and other platforms within an organization. Additionally, troubleshooting complex issues under time constraints and managing system updates without disrupting ongoing operations require strong problem-solving skills. Effective communication and documentation are essential to facilitate collaboration and knowledge sharing across teams.

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

To thrive as a Linux Certified professional, you need a solid understanding of Linux operating systems, system administration, and networking, typically validated by certifications like CompTIA Linux+ or Red Hat Certified System Administrator (RHCSA). Familiarity with command-line tools, shell scripting, configuration management systems, and monitoring tools is commonly required. Strong problem-solving abilities, attention to detail, and effective communication skills set top performers apart. These competencies ensure reliable system performance, efficient troubleshooting, and secure environments in IT infrastructures.

What is the difference between Linux Certified vs Linux System Administrator?

CriteriaLinux CertifiedLinux System Administrator
CertificationsLinux certifications like LPIC, CompTIA Linux+Often requires Linux certifications plus experience
Work EnvironmentData centers, IT departments, server farmsSame as Linux Certified, with additional focus on system management
Employer & Industry UsageTech companies, hosting providers, enterprise ITSame as Linux Certified, with more operational responsibilities
Search & Comparison IntentUnderstanding certification benefits, career pathsJob roles, responsibilities, and qualifications

Linux Certified professionals focus on obtaining certifications to validate their skills, often working in data centers and IT environments. Linux System Administrators typically have certifications plus hands-on experience managing Linux systems. Both roles are vital in tech and enterprise sectors, with overlapping environments and employer types. The main difference lies in the emphasis on certification versus practical system management responsibilities.

What jobs can I get if I learn Linux?

Learning Linux can qualify you for roles such as Linux System Administrator, DevOps Engineer, Network Engineer, and Cloud Engineer, which require skills in server management, scripting, and open-source tools. These jobs often involve working with Linux-based servers, automation, and cloud platforms like AWS or Azure, and may require certifications such as CompTIA Linux+ or LPIC. Proficiency in command-line tools and scripting languages like Bash or Python is also valuable.

What jobs can I get with a Linux Certified?

A Linux Certified professional can qualify for roles such as Linux System Administrator, Network Engineer, DevOps Engineer, or Systems Engineer. These positions typically involve managing Linux servers, scripting, troubleshooting, and working with open-source tools in enterprise or data center environments.

What cities in Illinois are hiring for Linux Certified jobs?

Cities in Illinois with the most Linux Certified job openings:

Infographic showing various Linux Certified job openings in Illinois as of August 2026, with employment types broken down into 2% As Needed, 80% Full Time, 12% Part Time, and 6% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $121,298 per year, or $58.3 per hour.

Junior Red Hat Linux Engineer

Commitent

Virginia, IL โ€ข On-site

$110 - $120/hr

Other

Posted 19 days ago


Key responsibilities

  • Install and patch operating systems, applications, and document DISA Security Technical Implementation Guidelines (STIGs) for all ACAS implementations.

  • Assess current ACAS implementations, recommend changes, and document the design of ACAS solutions for GEN networks, including network components and configurations.

  • Maintain and troubleshoot Linux servers, network connectivity, and security tools such as Nessus scanners and Passive Vulnerability Scanners (PVS).


Job description

Overview

CommIT Enterprises, Inc. is seeking an Junior Red Hat Linux Engineer tojoin the team inQuantico, VA. The successful candidate will use their Red Hat Linux experience to support the Customer in the design and implementation of their Assured Compliance Assessment Solution (ACAS) for the Customerโ€™s Government Enterprise Networks (GEN). The Linux Administrator will operate and maintain the infrastructure for the ACAS solution to support network and appliance scanning and configuration assessments and provide training to operators and Information Assurance personnel to maintain and operate the ACAS tool functionality.

Responsibilities

Your essential job functions will include but may not be limited to-

  • Install and patch operating systems, application, and document Department Information Systems Agency (DISA) Security Technical Implementation Guidelines (STIGs) applicable to each network environment for all ACAS implementations.
  • Assesses current ACAS implementations for each of the GEN networks and recommend changes.
  • Document the steps required to design the ACAS solution for each of the GEN networks to include IP address, Fully Qualified Domain Name, and physical location of each component.
  • Create network diagrams of the designs with Microsoft Visio (include list of hardware and software requirements).
  • Maintains the Nessus scanners and Passive Vulnerability Scannerโ€™s (PVS) connectivity with the associated Security Center (SC).
  • Develop and/or update the Standard Operating Procedures (SOP) to support each of the client ACAS solutions documented within the SharePoint portal.
  • Provide reports as necessary.
  • Build Linux Server from DISA provided ISO image.
Qualifications

Required Experience and Education:

  • Knowledge and experience with RedHat Linux. Possesses understanding and experience with common cybersecurity toolsets and processes to include STIGs, CAS, IAVA Management and Implementation, and Operation Order (OPORD)/Fragmentary Order (FRAGO) support.
  • Red Hat Enterprise Linux (RHEL) experience.
  • Must be able to troubleshoot SSH connection issues.
  • Good understanding of LVM Partitioning, Disk space and troubleshooting Systems related issues.
  • Familiar with VMware and vSphere.
  • Understanding of SSL/TLS Certificate and OS hardening.
  • Strong understanding of Network configuration and troubleshooting (nmtui, nmcli, service, netstat, grep, top command).
  • Understanding of patching and RPM package management is a MUST!!!
  • Be able to troubleshoot Kernel Panic, Root and Grub password Reset, & Firewall configurations.
  • Familiar with Ansible, Ansible-playbook and ansible roles
  • DoD 8570 IAT III or IAM II (CASP+, CCNP Security, CISA, GSE, SCNA, CISSP [or Associate], CAP, GSLC, CISM, GCED, GCIH, CISO, or HCISPP).
  • 3+ yearsโ€™ experience in supporting, configuring, and administering Linux
  • 3+ (RHEL) operating system in an enterprise environment RHEL 7.x or greater
  • Experience with virtualized environments (vSphere, ESXI)

Preferred Skills:

  • Understanding on Red Hat Satellite Version 6.12 or higher
  • Familiar with Active Directory Concepts, LDAP, or Kerberos
  • Familiar with migration from RHEL7 to RHEL8 using Leapp utility.
  • Build or configure new YUM Repositories for patching purposes.
  • Familiar with AWS/AZURE Cloud for future projects.
  • Scripting (Nessus Attack Scripting Language (NASL), Python, Bash)
  • Engineering experience with Nessus Manager and Monitor Implementation
  • Able to spin new instance on the cloud from a given AMI or Launch Template
  • Understand the concept of Security Groups, VPC, IAM, Autoscaling, Load Balancer Container architecture
  • Experience with DoWโ€™s ACAS application.
  • ACAS training certification

Security Requirements:

  • Active DoD โ€“ Secret

Salary:

  • The anticipated salary range for this position is $110,000 - $120,000 annually. Final compensation will be determined based on job-related factors, including the candidateโ€™s relevant work experience, education, professional certifications, technical skills, required security clearance level, geographic location, and overall qualifications. The posted range reflects the companyโ€™s good-faith expectation for this position at the time of posting.

About CommIT:

  • Established in 2001, CommIT is a Certified Veteran-Owned Small Business (CVOSB) providing innovative technical engineering and data science services. Our enterprise systems support includes the Department of Defenseโ€™s (DoD) GCSS-MC, CAC2S, TBMCS-MC, and the Department of Veteranโ€™s Affairsโ€™ (VA) telehealth communications. We offer acquisition management, systems engineering, Agile software development, cloud management, IT modernization, data analytics, cybersecurity, and training, including leading-edge DevSecOps, automated testing, and mobile application development.

Equal Opportunity Employer:

CommIT Enterprises, Inc. is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.

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