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Computer System Programmer Jobs in Saint Louis, MO

IEC Systems Engineer - TS/SCI

Arnold, MO · On-site

$125K - $170K/yr

Computer Systems Engineering, Enterprise Systems Engineering, Information Systems Engineering, Software Systems Engineering, Systems Engineering Certifications: None Experience: 8 + years of related ...

Linux Systems Engineer

Saint Louis, MO · On-site

$159K - $216K/yr

Standardize system configuration, patching, and deployment processes through infrastructure-as-code ... Bachelor's Degree in Computer Science, Engineering or a related technical discipline, or the ...

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 ...

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 ...

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Computer System Programmer information

See Saint Louis, MO salary details

$16

$48

$79

How much do computer system programmer jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for computer system programmer in Saint Louis, MO is $48.36, according to ZipRecruiter salary data. Most workers in this role earn between $35.05 and $60.53 per hour, depending on experience, location, and employer.

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 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.

What are computer system programmers?

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 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 are popular job titles related to Computer System Programmer jobs in Saint Louis, MO? For Computer System Programmer jobs in Saint Louis, MO, the most frequently searched job titles are:
What job categories do people searching Computer System Programmer jobs in Saint Louis, MO look for? The top searched job categories for Computer System Programmer jobs in Saint Louis, MO are:
IEC Systems Engineer - TS/SCI

IEC Systems Engineer - TS/SCI

GDIT

Arnold, MO • On-site

$125K - $170K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


General Dynamics Information Technology rating

7.8

Company rating: 7.8 out of 10

Based on 63 frontline employees who took The Breakroom Quiz

76th of 210 rated it services


Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Computer Systems Engineering, Enterprise Systems Engineering, Information Systems Engineering, Software Systems Engineering, Systems Engineering

Certifications:

None

Experience:

8 + years of related experience

US Citizenship Required:

Yes

Job Description:

GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge we can't turn into opportunity. And our work depends on TS/SCI level cleared Sr Systems Engineer joining our team to support our Intelligence customer in Springfield, VA or Arnold, MO.

The engineering team is looking for a driven Senior Systems Engineer that can demonstrate an ability to think strategically about technology and business. The ideal candidate is self-aware, highly adaptive and motivated in becoming proficient in project coordination and communicating on multiple technologies.

What you will get to do

  • Collaborate and support the Senior Engineering and Project Integration staff in assessing, documenting, and tracking existing and new program requirements
  • Support the program by developing artifacts, architectural documentation, and integration of various sources into a cohesive product, preparation of graphical and narrative presentation
  • Support the integration, and testing of specific components of hardware/software systems on a complex program
  • Work and interact with engineers across multiple contracts to produce architecture artifacts that span technical, physical and logical designs supporting a portfolio of managed services
  • Monitor service line communication channels for immediate needs throughout the day
  • Support comprehensive solutions development by leveraging subject matter experts from across several contracts and service lanes to produce and document environments
  • Managing assigned service tickets and coordinating closure as needed


Basic Qualifications

  • Eight (8) years' experience as a Systems Engineer supporting complex, multi- site enterprise scale environments; with a Bachelor's degree in a related field (Computer Science, etc) .
  • Experience writing detailed, technical documentation
  • 8570 compliance
  • Active TS/SCI clearance


Preferred Qualifications

  • Accountability, ownership and a drive for continuous improvement (Industry Certs, Education etc.)
  • Performing IT project integration related work to include the following:
    • Ability to present to internal & external leadership
    • Running project control gates, tracking tasks
    • Collaborating with different service lanes
  • Data flow validation and manage interfaces with mission application service provider
  • Producing technical diagrams with Microsoft Visio
  • Using project tracking tools (i.e., Jira, Confluence, KanBan Boards)
  • Adept at learning and applying new technologies - Keeping up to date on emerging technologies and tools will be encouraged and important
  • Excellent oral and written communication skills
  • Strong interpersonal skills


Desired Qualifications - A deep expertise in one of the following areas and
Working knowledge of one or more of the other following:

  • Juniper / Cisco Networking
  • Cisco ASA / Palo Alto Firewalls
  • VMware Infrastructures and architectures, virtual networking, vROPS
  • Red Hat Enterprise Linux, YUM, Satellite, Capsule technologies
  • Enterprise Storage Systems (EMC (Unity, Isilon platforms)
  • NetApp) Enterprise scale backup technologies
  • DISA STIG Audits, hardening and remediation procedures
  • Certification and Accreditation Experience
  • Risk Management Frameworks


What we can offer you - Technical exposure in one or more of the following:

  • Enterprise scale system integration and design
  • Enterprise Virtualized environments
  • LAN and WAN technologies
  • Firewall technologies
  • DMZ Architectures
  • Enterprise class storage, NAS & SAN technologies
  • Backup technologies - NetBackup, Cohesity and Veeam Backup solutions

Location: Customer Site

US Citizenship Required


GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace
OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

#RoverGSS

The likely salary range for this position is $125,800 - $170,200. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

None

Telecommuting Options:

Onsite

Work Location:

USA VA Springfield

Additional Work Locations:

USA MO Arnold

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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About General Dynamics Information Technology

Sourced by ZipRecruiter

GDIT is a global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense, and intelligence community. Its 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. The company operates across 50+ countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber, and application development.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US