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Linux Jobs in Missouri (NOW HIRING)

Network Architect

Saint Louis, MO · On-site

$63 - $84.25/hr

St.Louis, MO Must Have Skills: strong knowledge and experience with Datacenter Networking, Virtualization, NFV, Linux and Application delivery platforms such as Load balancers and GSLB including ...

Showing results 41-60

Linux information

See Missouri salary details

$34

$51

$66

How much do linux jobs pay per hour?

As of Aug 22, 2026, the average hourly pay for linux in Missouri is $51.89, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $55.67 per hour, depending on experience, location, and employer.

What is a Linux?

A Linux job refers to a role that involves working with the Linux operating system, typically in system administration, software development, cybersecurity, or cloud computing. Professionals in these roles manage servers, automate tasks, troubleshoot issues, and ensure system security and performance. Common job titles include Linux System Administrator, DevOps Engineer, and Linux Engineer. These positions require knowledge of command-line tools, scripting, networking, and system configuration.

What are the key skills and qualifications needed to thrive in the Linux position, and why are they important?

To thrive as a Linux System Administrator, you need a strong understanding of Linux operating systems, shell scripting, and network configuration, often supported by a degree in computer science or a related field. Familiarity with tools such as Bash, Ansible, Docker, and industry-recognized certifications like CompTIA Linux+ or Red Hat Certified System Administrator (RHCSA) is highly valued. Analytical thinking, problem-solving abilities, and effective communication are important soft skills for diagnosing issues and working with team members. These skills ensure efficient system management, security, and seamless infrastructure operations vital to organizational success.

What are some common challenges faced by Linux System Administrators, and how can I prepare for them?

Linux System Administrators often face challenges such as troubleshooting unexpected system outages, managing large-scale deployments, and ensuring robust security against evolving threats. Staying current with the latest updates, patching procedures, and automation tools like Ansible or Puppet can greatly help in overcoming these challenges. It’s also helpful to cultivate strong documentation habits and participate in open-source communities where solutions to unique problems are often shared. Proactively practicing disaster recovery plans and refining your scripting skills will set you up for success in this dynamic and rewarding role.

Are Linux skills in demand?

Linux skills are highly in demand across industries such as IT, cybersecurity, and cloud computing. Proficiency with Linux operating systems, scripting, and related tools like Bash or Docker can improve job prospects and earning potential for system administrators, DevOps engineers, and network administrators.

How much do Linux jobs pay?

Linux jobs, such as Linux system administrators or engineers, typically offer salaries ranging from $70,000 to $120,000 annually depending on experience, location, and certifications like CompTIA Linux+ or LPIC. Entry-level positions may start lower, while senior roles or those requiring specialized skills can pay significantly more.

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

The most popular types of Linux jobs in Missouri are:

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

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

What cities in Missouri are hiring for Linux jobs?

Cities in Missouri with the most Linux job openings:

Infographic showing various Linux job openings in Missouri as of August 2026, with employment types broken down into 91% Full Time, and 9% Contract. Highlights an 100% In-person job distribution, with an average salary of $107,929 per year, or $51.9 per hour.

Endpoint Security Engineer III - Nessus St. Louis, MO, US

CACI International Inc.

Saint Louis, MO • On-site

$75.20 - $158.10/hr

Other

Medical, Retirement, PTO

Posted 4 days ago


Job description

## Endpoint Security Engineer III - NessusSt. Louis, MO, USApply NowFind out how well you match with this jobJob ID329907Job Title: Endpoint Security Engineer III - NessusJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local\* \* \***The Opportunity:** CACI has an exciting opportunity for a Senior Endpoint Security Engineer to join our Transport & Cybersecurity Services (TCS) team in either Springfield, VA or St. Louis, MO. Our Endpoint Security team is rapidly growing! This is one of several New positions that we have added to the TCS program. This is an exceptional opportunity for a TS/SCI cleared professional to join an incredibly talented team, work with cutting edge technologies, and propel your career within the Cyber realm! TCS is a long-term, CACI Prime contract with the National Geospatial-Intelligence Agency (NGA) in support of the customer’s GEOINT mission. The Endpoint Security Engineer will support our Intelligence Community customer’s various endpoint security platforms. Positions on TCS require a TS/SCI clearance to be eligible for hire; with the ability to successfully pass a Government polygraph as a post-hire requirement. Position Overview: We are seeking a highly skilled Tenable product Administrator with hands-on experience in Linux platforms to join our team. The ideal candidate will be responsible for managing and administering our Tenable Suite environment, as well as configuring and maintaining them on Linux systems. This role requires a deep understanding of vulnerability management, security protocols, and the Tenable product suite, with a strong focus on Linux-based installations. **Responsibilities:** • Install, configure, and maintain the Tenable Security Center, Tenable Nessus Scanners, and Tenable Nessus Managers on Linux platforms. • Perform regular vulnerability scans and assessments across the organization's network using Tenable products • Analyze scan results and prioritize vulnerabilities based on severity and impact. • Collaborate with IT and security teams to remediate identified vulnerabilities. • Generate and distribute vulnerability reports to stakeholders. • Monitor security alerts and respond to incidents in a timely manner. • Stay updated on the latest security threats and vulnerabilities. • Provide training and support to users on the Tenable Security Center, Tenable Nessus Scanners, and Tenable Nessus Managers on Linux • Ensure the optimal performance and security of the Tenable environment on Linux platforms • Configure and install various security products utilizing Linux OS. **Qualifications:** Required: • TS/SCI clearance (current). As a post-hire requirement, selected candidate must be able to successfully pass and maintain a Government polygraph. • DoD 8570 IAT Level II certified (current) • Must obtain a CSSP Infrastructure Support certification within 6 months of hire date • Bachelor's degree (Engineering, Computer Science or related field) and ten (10) years of technical experience in Cyber Security. Additional experience may be considered in lieu of a degree. • Working knowledge of maintaining Enterprise Cyber Security Engineering requirements utilizing all or some of the following tools: Tenable Suite that include Security Center, Nessus Scanners, Nessus Manager with hands-on administrator experience • Strong working knowledge of Linux operating systems, including installation, configuration, and maintenance • Experience with large-scale enterprise/global networks in a high-paced, diverse environment • Understanding of and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions • Experience in providing status reports and products to senior management and customers • Experience with plans, designs, and evaluations of security systems and architectures **Desired:** • CSSP Infrastructure Support certification • Any Linux related certifications • Familiarity with scripting languages (e.g., Python, PowerShell) for automation tasks-**What You Can Expect:****A culture of integrity.**At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.**An environment of trust.**CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.**A focus on continuous growth.**Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.**Pay Range**:There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.The proposed salary range for this position is:$75,200-$158,100*CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.* #J-18808-Ljbffr