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Systems Developer Jobs in Illinois (NOW HIRING)

C5T Corporation

IL · On-site

$97K - $120K/yr

Systems Engineer / Systems Architect - Model-Based Systems (MBSE) Company Overview C5T Corporation is a Service-Disabled Veteran-Owned Small Business (SDVOSB) headquartered at Scott Air Force Base ...

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Amyx, Inc.

Systems Engineer

O Fallon, IL

Amyx is seeking a Systems Engineer to join our Dept. of Defense client at Scott Air Force Base in O'fallon, IL. * This position will focus on being able to provide systems and technical engineering ...

Amyx, Inc.

Systems Engineer

O Fallon, IL · On-site

Overview Amyx is seeking a Systems Engineer to join our Dept. of Defense client at Scott Air Force Base in O'fallon, IL. Responsibilities * This position will focus on being able to provide systems ...

Akuna Capital

Systems Engineer

Chicago, IL · On-site

$120K/yr

What you will do as a Systems Engineer at Akuna: We are looking for a versatile and driven Systems Engineer to join our Engineering team in building a best-in-class trading infrastructure. In this ...

Akuna Capital

Systems Engineer

Chicago, IL · On-site +1

$120K/yr

What you will do as a Systems Engineer at Akuna: We are looking for a versatile and driven Systems Engineer to join our Engineering team in building a best-in-class trading infrastructure. In this ...

Endeavor Health

Systems Engineer II

Arlington Heights, IL · On-site

$41.64 - $64.54/hr

Systems Engineer II - Enterprise File Transfer & Infrastructure Integration Engineer * Location: Arlington Heights, IL * Full Time * Hours: Monday-Friday, 8:00am - 5:00pm * Hybrid Position * Local ...

NorthShore

Systems Engineer II

Arlington Heights, IL · On-site

$41.64 - $64.54/hr

Systems Engineer II - Enterprise File Transfer & Infrastructure Integration Engineer * Location: Arlington Heights, IL * Full Time * Hours: Monday-Friday, 8:00am - 5:00pm * Hybrid Position * Local ...

Barrow Wise Consulting

Systems Engineer

Chicago, IL · On-site

The Systems Engineer will perform the following duties: * Provide a total system, data, and architecture perspective, including a technical understanding of relationships, dependencies, requirements ...

Humana

Senior Systems Engineer

Chicago, IL · Remote

$107K - $147K/yr

Systems software engineering/programming is a specialized area of software engineering/programming ... Contribute to the design and optimization of CI/CD pipelines, utilizing tools such as Azure DevOps ...

Humana

Senior Systems Engineer

Chicago, IL · Remote

$107K - $147K/yr

Systems software engineering/programming is a specialized area of software engineering/programming ... Contribute to the design and optimization of CI/CD pipelines, utilizing tools such as Azure DevOps ...

Humana

Senior Systems Engineer

Chicago, IL · Remote

$107K - $147K/yr

Systems software engineering/programming is a specialized area of software engineering/programming ... Contribute to the design and optimization of CI/CD pipelines, utilizing tools such as Azure DevOps ...

Robert Half

Systems Engineer

Glenview, IL · On-site

$55 - $65/hr

We are looking for an experienced Systems Engineer to support and enhance a complex enterprise infrastructure environment in Illinois. This long-term contract position is ideal for a hands-on ...

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CNH Industrial N.V.

Systems Engineer

Oak Brook, IL · On-site

$108K - $144K/yr

The Systems Engineer at CNH Industrial America LLC in Oak Brook, IL will collaborate with the Precision Technology team to ensure the overall form, fit, and function of new and current vehicle ...

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How much do systems developer jobs pay per hour?

As of Jul 3, 2026, the average hourly pay for systems developer in Illinois is $47.35, according to ZipRecruiter salary data. Most workers in this role earn between $40.05 and $55.43 per hour, depending on experience, location, and employer.

What Is a Systems Developer?

A systems developer designs software applications and computer systems for business use. Your job duties as a systems developer include designing system architecture, developing applications, testing projects prior to deployment, debugging and troubleshooting issues, and providing regular maintenance and fixes for computer applications and systems. The qualifications you need for a career as a systems developer include a bachelor’s degree in computer science, the ability to write code in a variety of programming languages, problem-solving skills, and experience working in the information technology space.

How does a Systems Developer typically collaborate with other IT professionals in a project environment?

Systems Developers often work closely with other IT professionals such as software engineers, network administrators, and business analysts. Collaboration usually involves participating in project planning meetings, integrating their code with other system components, and troubleshooting issues as a team. Effective communication is vital, as Systems Developers must ensure their work aligns with broader technical requirements and organizational goals. They may also provide technical support and documentation to help other team members understand their contributions.

What are systems developers?

Systems developers are IT professionals who design, build, and maintain the underlying software and infrastructure that power computer systems and networks. Unlike application developers, systems developers focus on operating systems, network protocols, and system-level software that enables other applications to run efficiently. Their work is crucial for ensuring system reliability, security, and performance. They may also collaborate with hardware engineers to optimize the interaction between software and hardware components.

What does a systems developer do?

A systems developer designs, develops, tests, and maintains software systems and applications, often working with programming languages like Java, C++, or Python. They analyze user requirements, create technical specifications, and collaborate with other IT professionals to ensure system functionality and performance.

What engineer makes $500,000 a year?

Highly experienced software engineers, especially those in senior or specialized roles such as machine learning engineers or software architects, can earn $500,000 or more annually. These roles often require advanced skills, extensive experience, and sometimes stock options or bonuses in addition to base salary.

Will AI replace developers in 2026?

Systems developers design, build, and maintain software systems, and while AI tools can automate certain coding tasks, they are unlikely to fully replace developers by 2026. Developers' skills in problem-solving, system architecture, and adapting to new technologies remain essential for complex and innovative projects.

What are the key skills and qualifications needed to thrive as a Systems Developer, and why are they important?

To thrive as a Systems Developer, you need a strong background in computer science, programming languages such as Java, C++, or Python, and experience with systems architecture. Familiarity with development tools, version control systems (like Git), and knowledge of operating systems is typically expected, and certifications in relevant technologies can be beneficial. Analytical thinking, problem-solving abilities, and effective communication are essential soft skills that help you collaborate and adapt to changing requirements. These skills and qualities are crucial for designing, implementing, and maintaining robust systems that meet organizational needs efficiently.

What is L1, L2, L3, and L4 developer?

In the context of a Systems Developer role, L1, L2, L3, and L4 typically refer to different levels of technical expertise and responsibility, with L1 being entry-level and L4 being senior or lead positions. These levels often correspond to experience, complexity of tasks handled, and leadership responsibilities, and they help organizations structure career progression and compensation. Skills such as programming, troubleshooting, and system design are expected to grow with each level.
More about Systems Developer jobs
What are the most commonly searched types of Systems Developer jobs in Illinois? The most popular types of Systems Developer jobs in Illinois are:
What cities in Illinois are hiring for Systems Developer jobs? Cities in Illinois with the most Systems Developer job openings:
What are popular job titles related to Systems Developer jobs in IL? For Systems Developer jobs in IL, the most frequently searched job titles are:
Systems Developer jobs near you
Systems Engineer / Systems Architect - Model-Based Systems (MBSE)

Systems Engineer / Systems Architect - Model-Based Systems (MBSE)

C5T Corporation

IL • On-site

$97K - $120K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 2 days ago

Job description

Systems Engineer / Systems Architect - Model-Based Systems (MBSE)
Company Overview
C5T Corporation is a Service-Disabled Veteran-Owned Small Business (SDVOSB) headquartered at Scott Air Force Base, Illinois. Founded in 2005 by three veterans, C5T delivers innovative solutions that bridge operational and technical domains in support of critical Department of Defense missions.
Core Values: Integrity • Excellence • Patriotism
Position Summary
C5T is seeking a Systems Engineer / Systems Architect - Model-Based Systems (MBSE) to support enterprise modernization initiatives for the Joint Transportation Management System (JTMS). The successful candidate will help define digital engineering strategy, develop system architectures, and collaborate with government and contractor teams supporting mission-critical transportation capabilities. This role is ideal for experienced systems engineers looking to expand their Model-Based Systems Engineering (MBSE) expertise within an established digital engineering community.
Key Responsibilities
  • Lead development and maintenance of operational, business, system, data, and integration architectures using MBSE methodologies and DoDAF/UAF frameworks.
  • Develop SysML/UML models capturing requirements, interfaces, behaviors, workflows, and mission threads with full traceability.
  • Support digital engineering strategies including digital thread, authoritative model repositories, and configuration management.
  • Translate operational and business requirements into scalable enterprise solution architectures.
  • Define integration approaches, interoperability requirements, and interface specifications across DoD systems.
  • Establish architecture governance, modeling standards, technical baselines, and design review processes.
  • Collaborate with engineering, cybersecurity, testing, and program management teams.
  • Prepare executive briefings, technical documentation, and customer deliverables.
  • Maintain compliance with security requirements and applicable standards.
  • Perform other duties as assigned.
Required Qualifications
  • S. Citizenship.
  • Active DoD Secret clearance or ability to obtain one.
  • Bachelor's degree in Systems Engineering, Computer Science, Engineering, Information Systems, or related field (or equivalent experience).
  • 7+ years designing enterprise, systems, or solution architectures supporting large-scale IT or DoD programs.
  • Working knowledge of SysML/UML and architecture frameworks such as DoDAF or UAF.
  • Strong analytical, organizational, written, verbal, and briefing skills.
  • Ability to work independently and collaboratively in multidisciplinary teams.
Preferred Qualifications
  • 5+ years of MBSE/Digital Engineering experience.
  • Master's degree in a related field.
  • Experience supporting USTRANSCOM or DoD logistics modernization.
  • Experience with Cameo/MagicDraw, Sparx EA, Rhapsody, or similar tools.
  • Knowledge of cloud architectures, DevSecOps, Zero Trust, and DoD acquisition processes.
  • Professional certifications such as OCSMP, INCOSE CSEP/ESEP, TOGAF, SAFe, or AWS/Azure.
Benefits
  • Competitive salary
  • Medical, dental, and vision insurance
  • 401(k) with company match
  • Flexible Spending Account (FSA)
  • Company-paid life insurance
  • Employee Assistance Program (EAP)
  • Supplemental insurance options
  • Paid holidays
  • Paid Time Off (PTO)
  • Professional development opportunities
Equal Employment Opportunity
C5T Corporation is an Equal Opportunity Employer committed to creating an inclusive workplace. Employment decisions are based on qualifications, merit, and business needs without regard to any protected status.
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About C5T

Sourced by ZipRecruiter

Industry

Guided missile and space vehicle manufacturing

Company size

11 - 50 Employees

Headquarters location

Scott Air Force Base, IL, US

Year founded

2005

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