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Junior System Engineer Jobs in Missouri (NOW HIRING)

Stereotaxis

Junior Buyer

Saint Louis, MO

$21.75 - $28/hr

Core components of Stereotaxis' systems have received regulatory clearance in the United States ... Support Engineering by obtaining supplier information, documentation, and quotations for new and ...

Leonardo DRS

Systems Engineer Intern

Bridgeton, MO

$41K - $53K/yr

... system development programs and to execute an interdisciplinary process to ensure that the customer ... High School Diploma or GED, and currently a Junior or above in a Bachelor's program in Engineering ...

Leonardo DRS

Systems Engineer Intern

Bridgeton, MO · On-site

$41K - $53K/yr

... system development programs and to execute an interdisciplinary process to ensure that the customer ... High School Diploma or GED, and currently a Junior or above in a Bachelor's program in Engineering ...

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Showing results 21-40

All JobsSystem Engineer JobsJunior System Engineer JobsJunior System Engineer Jobs in Missouri

Junior System Engineer information

See Missouri salary details

$22.5K

$80.1K

$138.4K

How much do junior system engineer jobs pay per year?

As of Aug 17, 2026, the average yearly pay for junior system engineer in Missouri is $80,114.00, according to ZipRecruiter salary data. Most workers in this role earn between $58,600.00 and $82,100.00 per year, depending on experience, location, and employer.

What does a junior system engineer do?

A Junior System Engineer assists in maintaining and supporting an organization’s IT infrastructure. Their responsibilities typically include installing and configuring hardware and software, monitoring system performance, troubleshooting issues, and providing technical support to users. They often work under the supervision of senior engineers to ensure systems run efficiently and securely. This entry-level role is ideal for individuals looking to build foundational skills in systems administration and engineering.

What are some common challenges faced by junior system engineers during their first year on the job?

Junior System Engineers often encounter challenges such as adapting to complex IT infrastructures, learning to troubleshoot unfamiliar hardware and software issues, and balancing multiple support requests from different teams. It can take time to become proficient with proprietary systems and tools used by the organization. Collaboration with senior engineers and continuous learning through documentation and hands-on experience are key to overcoming these hurdles and building confidence in the role.

What are the key skills and qualifications needed to thrive as a junior system engineer, and why are they important?

To excel as a Junior System Engineer, you need a foundational understanding of computer systems, networking, and operating systems, usually supported by a degree in computer science or a related field. Familiarity with system administration tools, virtualization platforms, and basic scripting languages, as well as certifications like CompTIA or Microsoft MCSA, is highly beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help you collaborate with teams and address technical challenges efficiently. These competencies ensure reliable system operation, quick troubleshooting, and seamless support for business technology needs.

What is the difference between Junior System Engineer vs Network Administrator?

AspectJunior System EngineerNetwork Administrator
Required CertificationsCompTIA A+, Network+, Cisco CCNA (preferred)CompTIA Network+, Cisco CCNA, or equivalent
Work EnvironmentIT departments, tech companies, supporting system infrastructureNetwork operations centers, corporate IT teams, managing network hardware
Employer & Industry UsageTechnology, finance, healthcare, and other sectors with IT infrastructureOrganizations with complex network systems, ISPs, large enterprises
Common Search & Comparison IntentEntry-level, supporting system setup and maintenanceNetwork management, troubleshooting, and security

The Junior System Engineer and Network Administrator roles share overlapping skills in IT support and certifications but focus on different areas. The Junior System Engineer primarily supports overall system infrastructure, while the Network Administrator specializes in managing and securing network systems. Both roles are essential in maintaining organizational IT health and often work closely together in tech environments.

Is a junior system engineer a stressful job?

A junior system engineer role can be stressful due to the need to troubleshoot technical issues, meet project deadlines, and learn new systems quickly. However, stress levels vary depending on the work environment, workload, and support from team members. Developing strong problem-solving skills and gaining certifications can help manage job-related stress.

Is a junior system engineer an entry-level job?

Yes, a junior system engineer is typically an entry-level position that requires basic knowledge of operating systems, networking, and scripting. It often serves as a starting point for those gaining experience in system administration and IT infrastructure, with opportunities to develop skills and certifications such as CompTIA or Microsoft certifications.

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

The most popular types of System Engineer jobs in Missouri are:

What are popular job titles related to Junior System Engineer jobs in Missouri?

For Junior System Engineer jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Junior System Engineer jobs in Missouri look for?

The top searched job categories for Junior System Engineer jobs in Missouri are:

What cities in Missouri are hiring for Junior System Engineer jobs?

Cities in Missouri with the most Junior System Engineer job openings:

Junior System Engineer jobs near you
Infographic showing various Junior System Engineer job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, and 4% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $80,114 per year, or $38.5 per hour.

TEST ENGINEER with Security Clearance

CEdge Software Consultants

Saint Louis, MO • On-site

Other

Re-posted 22 days ago

Job description

CEdge has an opportunity for a Test Systems Engineer (MID), located in St Louis, MO. If you are ready to work alongside World Renowned Technology experts, and carry the skills below, this is the opportunity that will inevitably take your career to unbelievable levels! ***This position requires a TS/SCI Security Clearance*** TO01, Test Systems Engineer Responsibilities Senior-level Test Systems Engineers assist in leading Application, System and Integration Testing teams performing test and evaluation across the National System of Geospatial-intelligence (NSG), Allied System of Geospatial-intelligence (ASG) and Federal Agencies to ensure timely and accurate GEOINT. Duties include: · Guides Mid-level ​and Junior-level system engineers performing test and evaluation across the National System of Geospatial-intelligence (NSG), Allied System of Geospatial-intelligence (ASG) and Federal Agencies. · Performs testing of applications and application programming interfaces (APIs) in DevOps pipelines utilizing quality assurance measures established by the government and industry best practices. · Performs independent integration testing on the system software or hardware to determine the system’s compliance with specified requirements. · Plans and executes manual tests, and automated test scripts using scripting and programming languages. · Supports technical investigations for defects discovered during test activities. Required: · Bachelor’s degree or higher in Engineering, Computer Science, Information Technology, Management Information Systems, or related STEM degree program, or 6 years of experience as a Test Systems Engineer. · 6 years of experience with test management and defect tracking tools. · Experience with three or more of the following; JMeterand, Jenkins, Docker, Postman, Swagger, Nexus, Apigee or GitHub/GitLab (or equivalent software packages), Java, Bash, Curl, XML, JSON, SQL, Python, Javascript, and AWS and C2S. · Experience with traditional, Agile, and DevOps development practices and associated testing strategies. · TS/SCI clearance adjudication or ability to obtain SCI and pass a polygraph. Desired: · Master’s degree in Computer Science, Information Technology, Management Information Systems, or related STEM degree program. · Working knowledge of Model Based Systems Engineering, processes, tools and languages. · Working knowledge of Software Development Frameworks.

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