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Computer System Programmer Jobs in Saint Louis, MO

Piper Companies

Electrical Systems Engineer

Hazelwood, MO · On-site

$120K - $130K/yr

Degree in engineering, computer science, or a related technical field. * Experience in: * System requirements analysis and design. * Communication protocols (e.g., RS422, MIL-STD-1553). * Military ...

Apex Systems

Systems Engineer

Berkeley, MO · On-site

Support system architecture development and decomposition using MBSE (SysML/Cameo) to define ... computer science is required. Experience: Candidates must have 3+ years of related engineering ...

Judge Group, Inc.

Systems Engineer 3

Saint Louis, MO · On-site

Support the system architecture development and decomposition using MBSE (SysML/Cameo) to define ... science, or computer science (Level 3) 5+ years of work-related engineering experience with a ...

IC-CAP LLC

Senior Systems Engineer 112-167

Saint Louis, MO · On-site

$101K - $139K/yr

Guides Mid-level and Junior-level system engineers performing requirements engineering, solutions ... Computer Science, Information Technology, Management Information Systems, or related STEM degree ...

Judge Group, Inc.

Systems Engineer 5

Hazelwood, MO · On-site

Leads others to evaluate customer/operational needs to define system performance requirements ... study in engineering, computer science, mathematics, physics or chemistry (e.g. Bachelor) and ...

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All JobsComputer System Programmer JobsComputer System Programmer Jobs in Saint Louis, MO

Computer System Programmer information

See Saint Louis, MO salary details

$16

$46

$76

How much do computer system programmer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for computer system programmer in Saint Louis, MO is $46.57, according to ZipRecruiter salary data. Most workers in this role earn between $33.75 and $58.27 per hour, depending on experience, location, and employer.

What is a computer system programmer?

Computer system programmers are professionals who write, test, and maintain the software that enables computers and networks to function effectively. They typically work on system-level software such as operating systems, network distribution software, and compilers, ensuring that computer hardware and software work seamlessly together. Their role often involves debugging, updating, and optimizing existing code to improve system performance and security. Computer system programmers may also collaborate with hardware engineers and other IT professionals to integrate new technologies into existing systems.

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

To thrive as a Computer System Programmer, you need strong programming abilities in languages such as C, C++, or Java, along with a degree in computer science or a related field. Familiarity with operating systems, integrated development environments (IDEs), and version control systems like Git is typically required. Attention to detail, analytical thinking, and effective problem-solving are essential soft skills that distinguish top performers. These competencies ensure the development of reliable, efficient, and maintainable systems that meet organizational and user needs.

What are the typical collaboration dynamics between computer system programmers and other IT professionals?

Computer system programmers frequently collaborate with system analysts, network engineers, and software developers to ensure that new or modified systems integrate seamlessly with existing infrastructure. They often participate in meetings to discuss technical requirements, troubleshoot issues alongside IT support teams, and work closely with quality assurance professionals to test system functionality. Strong communication and teamwork skills are essential, as these collaborations are crucial for identifying potential problems early and ensuring project success.

What is the difference between Computer System Programmer vs Software Developer?

AspectComputer System ProgrammerSoftware Developer
CredentialsTypically requires a degree in computer science or related field; certifications like CompTIA or Microsoft may be beneficialSimilar educational background; often holds degrees in computer science, software engineering, or related fields
Work EnvironmentWorks mainly in IT departments, focusing on system-level programming, operating systems, and hardware integrationWorks in various industries, developing applications, web, mobile, or enterprise software
Industry UsageCommonly employed in technology firms, government agencies, and organizations with complex IT infrastructureWidely used across tech companies, startups, and businesses developing consumer or enterprise software

While both roles require programming skills and a similar educational background, Computer System Programmers focus on system-level software and hardware integration, whereas Software Developers create applications and user-facing software solutions.

How much does a computer system programmer get paid?

Computer system programmers typically earn a median annual salary of around $90,000, with salaries ranging from approximately $60,000 to over $120,000 depending on experience, location, and industry. Skilled programmers with certifications and knowledge of specific programming languages or systems may earn higher wages.

Is a computer system programmer a good career?

A computer system programmer is a skilled professional who develops and maintains software for computer systems, often requiring knowledge of programming languages, operating systems, and hardware interactions. The role offers steady employment opportunities, competitive salaries, and the potential for specialization in areas like embedded systems or cybersecurity. Success in this career typically depends on continuous learning and staying updated with evolving technologies.

Is computer system programming in demand?

Computer system programmers are in steady demand due to ongoing needs for maintaining and developing operating systems, embedded systems, and enterprise software. Skills in programming languages like C, C++, and knowledge of hardware interactions increase employability, especially in technology and manufacturing sectors.

What does a computer system programmer do?

A computer system programmer develops, tests, and maintains system software such as operating systems, device drivers, and utility programs. They write code primarily in languages like C or Assembly, troubleshoot system issues, and ensure software interacts efficiently with hardware components. Strong problem-solving skills and knowledge of computer architecture are essential for this role.
Computer System Programmer jobs near you

System Administrator

Chenega Security International, LLC

Saint Louis, MO

Full-time

Re-posted 11 days ago

Job description

Summary

The System Administrator is a full-time technical specialist responsible for integrating, managing, and maintaining electronic security systems. This position supports system servers, software, and security platforms to ensure reliability and compliance. Duties include performing updates, configurations, installations, and troubleshooting, collaborating with technicians and engineers to support the Government’s security environment.

** This position is contingent upon contract award **


Responsibilities
  • Perform system maintenance, upgrades, patches, and configuration changes on LenelS2 and Milestone platforms.
  • Support installation and integration of new hardware and software components.
  • Administer, monitor, and optimize security servers and associated applications.
  • Provide service, repair, replacement, and troubleshooting of existing security systems, including servers and software.
  • Maintain accurate system documentation, logs, and records of updates and changes.
  • Collaborate with technicians and engineers to resolve system issues and ensure operational uptime.
  • Ensure system security, compliance, and reliability standards are met.
  • Other duties as assigned

Qualifications
  • Current LenelS2 and Milestone certifications required
  • Security+ Certification required
  • At least 3 years of experience as a system administrator or systems engineer with security system platforms.
  • Strong technical background in security software systems, servers, and databases.
  • Experience with installation, maintenance, and troubleshooting of enterprise-level electronic security systems.

Preferred Qualifications:

  • Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related field preferred
  • Networking experience (IP addressing, firewalls, VLANs, PoE, etc.) is preferred
  • Preferred Manufacturer Certifications (Genetec, Honeywell, Avigilon, Bosch, etc.).
  • Experience supporting Federal or DoD security environments is preferred

 

Knowledge, Skills and Abilities:

  • Ability to work independently while coordinating with a multi-disciplinary team.
  • Ability to read and interpret technical manuals, system documentation, and configuration guides.
  • Strong problem-solving and analytical skills.
  • Skill in operating a personal computer and standard office equipment.
  • Must have knowledge of a variety of computer software applications in word processing, spreadsheets, database, (MSWord, Excel, Access, PowerPoint), and Outlook.

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