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Systems Engineer Jobs in O Fallon, MO (NOW HIRING)

Judge Group, Inc.

Systems Engineer 5

Hazelwood, MO · On-site

Our client is currently seeking a Systems Engineer 5 Systems Engineer 5 Work Location: Hazelwood, MO Applies an interdisciplinary, collaborative approach to lead activities to plan, design, develop ...

Cubic Corporation

Systems Engineer / FSR

Saint Louis, MO · On-site

$123K - $156K/yr

This role requires strong systems-engineering experience, sound technical judgment, and the ability to resolve issues in a complex, mission-focused environment. This position is contingent upon ...

Boeing

Senior Systems Engineer

Saint Charles, MO · On-site

$98K - $134K/yr

Senior Systems Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) is seeking a Senior Systems Engineer (Level 5) to join the System Engineering Integration & Test (SEIT) Team ...

Boeing

Senior Systems Engineer

Saint Charles, MO · On-site

$98K - $134K/yr

Senior Systems Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) is seeking a Senior Systems Engineer (Level 5) to join the System Engineering Integration & Test (SEIT) Team ...

Boeing

Senior Systems Engineer

Saint Charles, MO · On-site

$98K - $134K/yr

Senior Systems Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) is seeking a Senior Systems Engineer (Level 5) to join the System Engineering Integration & Test (SEIT) Team ...

Boeing

Lead Systems Engineer

Hazelwood, MO · On-site

Lead Systems Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) is seeking a Lead Systems Engineer (Level 4) to join the team in Hazelwood, MO . The Lead Systems Engineer ...

Piper Companies

Electrical Systems Engineer

Hazelwood, MO · On-site

$120K - $130K/yr

Zachary Piper Solutions is seeking an Electrical Systems Engineer to join a team in Hazelwood, MO. Job Overview This position involves the design, integration, testing, and support of complex ...

Boeing

Lead Systems Engineer

Hazelwood, MO · On-site

Lead Systems Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) is seeking a Lead Systems Engineer (Level 4) to join the team in Hazelwood, MO . The Lead Systems Engineer ...

Boeing

Lead Systems Engineer

Hazelwood, MO · On-site

Lead Systems Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) is seeking a Lead Systems Engineer (Level 4) to join the team in Hazelwood, MO . The Lead Systems Engineer ...

Boeing

Senior Systems Engineer

Saint Charles, MO · On-site

$98K - $134K/yr

Boeing Defense, Space & Security (BDS) is seeking a Senior Systems Engineer (Level 5) to join the System Engineering Integration & Test (SEIT) Team in Saint Charles, MO . Boeing Phantom Works is ...

Boeing Future of Flight

Systems Engineer 4

Hazelwood, MO · On-site

$103 - $110/hr

Support/lead Systems Engineering efforts such as requirements decomposition, system architecture, system analysis, specification development, trade studies, program planning, interfaces management ...

New

Boeing

Lead Systems Engineer

Hazelwood, MO · On-site

Lead Systems Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) is seeking a Lead Systems Engineer (Level 4) to join the team in Hazelwood, MO . The Lead Systems Engineer ...

Boeing

Lead Systems Engineer

Hazelwood, MO · On-site

The Lead Systems Engineer will lead the system architecture development across program IPTs. This role involves collaborating with the Integrated Product Teams to define and develop the product ...

The Boeing Company

Lead Systems Engineer

Hazelwood, MO · On-site

$137 - $185/hr

The Lead Systems Engineer will lead the system architecture development across program IPTs. This role involves collaborating with the Integrated Product Teams to define and develop the product ...

CACI

Mid Systems Engineer

Saint Louis, MO · On-site

$69K - $141K/yr

Mid Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel:

Caleres Inc.

Systems Engineer

Clayton, MO · On-site

$95 - $120/hr

Join our dynamic and thriving footwear company as a Systems Engineer in St. Louis, MO where you'll have the opportunity to make an impact and shape the future of our renowned brands. If you have a ...

Caleres, Inc.

Systems Engineer

Clayton, MO · On-site

$90 - $120/hr

Join our dynamic and thriving footwear company as a Systems Engineer in St. Louis, MO where you'll have the opportunity to make an impact and shape the future of our renowned brands. If you have a ...

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Showing results 21-40

All JobsSystems Engineer JobsSystems Engineer Jobs in O'Fallon, MO

Systems Engineer information

See O Fallon, MO salary details

$50K

$119K

$156.2K

How much do systems engineer jobs pay per year?

As of Sep 4, 2026, the average yearly pay for systems engineer in O'Fallon, MO is $119,007.00, according to ZipRecruiter salary data. Most workers in this role earn between $91,700.00 and $146,900.00 per year, depending on experience, location, and employer.

What is a systems engineer?

Systems engineers are professionals who design, integrate, and manage complex systems throughout their life cycles. They work across various industries, ensuring that all aspects of a project or system—hardware, software, processes, and people—work together efficiently and effectively. Systems engineers coordinate between different engineering teams, address technical and organizational challenges, and ensure requirements are met. Their role often involves both big-picture thinking and attention to detail to deliver reliable and scalable solutions.

What does a systems engineer do?

The role of a systems engineer varies based on the company they work for, but in every industry systems engineers use computerized systems to keep track of all the moving parts within their organizations. The term systems engineer usually refers to a computer systems engineer, which combines several disciplines to create, purchase, and install a computer system that suits the needs of each particular client. They will also work in a hands-on manner during the installation, acquisition, testing, and implementation phases of the project. Duties typically include making recommendations for scalability, troubleshooting any problems that arise during the use of the system, reviewing a company’s security requirements, and recommending security measures to allow the company to avoid compromising any sensitive data.

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

To thrive as a Systems Engineer, you need a strong background in systems architecture, troubleshooting, and integration, typically supported by a degree in computer science or engineering. Familiarity with operating systems (like Linux and Windows), virtualization platforms, scripting languages, and certifications such as CompTIA, Cisco (CCNA), or Microsoft (MCSA) are commonly required. Strong problem-solving abilities, effective communication, and teamwork make candidates stand out in this role. These skills and qualifications ensure the design, implementation, and maintenance of reliable, scalable systems critical for organizational operations.

How does a systems engineer typically collaborate with cross-functional teams during a project lifecycle?

Systems Engineers often serve as a bridge between various technical and non-technical teams, including software developers, network specialists, project managers, and end users. Throughout a project, they participate in requirements gathering, design reviews, and integration testing, ensuring that each component fits seamlessly within the overall system. Effective communication and documentation are crucial, as Systems Engineers must translate complex technical concepts into actionable tasks for diverse stakeholders. This collaborative approach not only streamlines problem-solving but also helps deliver robust, scalable solutions.

What is the difference between Systems Engineer vs Network Engineer?

AspectSystems EngineerNetwork Engineer
CertificationsCompTIA Network+, Cisco CCNA, Microsoft certificationsCompTIA Network+, Cisco CCNA, Juniper JNCIA
Work EnvironmentDesigning, implementing, and managing IT systems and infrastructureDesigning, configuring, and maintaining network hardware and connectivity
Industry UsageIT, technology, enterprise solutionsTelecommunications, IT, networking service providers
Common TasksSystem integration, troubleshooting, server managementNetwork setup, routing, switching, security

While both roles involve technical expertise in IT infrastructure, Systems Engineers focus on overall system architecture and integration, whereas Network Engineers specialize in network hardware, connectivity, and security. Understanding these differences helps employers and professionals align skills with job requirements.

Is a systems engineer a high paying job?

Systems engineers typically earn above-average salaries compared to many other technical roles, with compensation varying based on experience, certifications, and location. They often work in industries such as technology, aerospace, and defense, where specialized skills and knowledge of tools like network systems and software are valued. Advanced certifications and experience can lead to higher pay levels in this field.

Is a systems engineer a stressful job?

Systems engineers often face stressful situations due to tight deadlines, complex problem-solving, and the need for high reliability in systems. The role can involve long hours and on-call responsibilities, especially during system outages or critical updates, but it also offers opportunities for problem-solving and technical growth.
More about Systems Engineer jobs

What are the most commonly searched types of Systems Engineer jobs in O'Fallon, MO?

The most popular types of Systems Engineer jobs in O'Fallon, MO are:

What are popular job titles related to Systems Engineer jobs in O'Fallon, MO?

For Systems Engineer jobs in O'Fallon, MO, the most frequently searched job titles are:

What job categories do people searching Systems Engineer jobs in O'Fallon, MO look for?

The top searched job categories for Systems Engineer jobs in O'Fallon, MO are:

What cities near O'Fallon, MO are hiring for Systems Engineer jobs?

Cities near O'Fallon, MO with the most Systems Engineer job openings:

Systems Engineer jobs near you
Infographic showing various Systems Engineer job openings in O'Fallon, MO as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 14% Part Time, 3% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $119,007 per year, or $57.2 per hour.

Systems Engineer 5

Judge Group, Inc.

Hazelwood, MO • On-site

Other

Re-posted 25 days ago

Key responsibilities

  • Leads activities to plan, design, develop, and verify complex system solutions.

  • Evaluates customer and operational needs to define system performance requirements and ensure interface compatibility.

  • Analyzes system architecture, performance, and quality factors to optimize system of systems and ensure mission success.

Job description

Location: Hazelwood, MO Salary: Negotiable Description: Our client is currently seeking a Systems Engineer 5
Systems Engineer 5
Work Location: Hazelwood, MO
Job Description: Applies an interdisciplinary, collaborative approach to lead activities to plan, design, develop and verify complex lifecycle balanced system of systems and system solutions. Leads others to evaluate customer/operational needs to define system performance requirements, integrate technical parameters and assure compatibility of all physical, functional and program interfaces. Leads analyses to optimize total system of systems and/or system architecture. Leads analyses for affordability, safety, reliability, maintainability, testability, human systems integration, survivability, vulnerability, susceptibility, system security, regulatory, certification, product assurance and other specialties quality factors into a preferred configuration to ensure mission success. Leads, develops, maintains and identifies improvements the planning, organization, implementation and monitoring of requirements management processes, tools, risk, issues, opportunity management and technology readiness assessment processes.
Basic Qualifications (Required Skills and Experience):
Education/experience typically acquired through advanced technical education from an accredited course of study in engineering, computer science, mathematics, physics or chemistry (e.g. Bachelor) and typically 14 or more years' related work experience or an equivalent combination of technical education and experience (e.g. PhD+9 years' related work experience, Master+12 years' related work experience). In the USA, ABET accreditation is the preferred, although not required, accreditation standard
Preferred Qualifications/Desired Skills (Desired Skills/Experience):
Experience in applying engineering processes and principles
Experience with Model Based Systems Engineering (MBSE)
Experience modeling or simulating systems
Experience/domain knowledge of system architecture, requirements, interface definition, verification, and validation
Experience with product/systems development and integration
Experience with implementation and maintenance of systems engineering tools, schedules and metrics (i.e. DOORs, CAMEO, Earned value management).
Technical system domain knowledge (e.g. air vehicle)
Experience in technical engineering leadership
Current Department of Defense Security Clearance
Education:
Bachelor's degree with 14 or more years' experience, Master's degreee with 12 or more years' experience or PhD with 9 or more years' experience. Bachelor, Master or Doctorate of Science degree from an accredited course of study, in engineering, computer science, mathematics, physics or chemistry.
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Contact:
This job and many more are available through The Judge Group. Please apply with us today!

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