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Computer Hardware Engineer Jobs in O Fallon, MO (NOW HIRING)

teKnoluxion

Senior DevOps Engineer

Saint Louis, MO · On-site

$126K - $162K/yr

Resolves highly complex hardware/software compatibility and interface design considerations ... Requires Bachelor's degree in computer science, computer engineering, systems engineering or any ...

Wunderlich-Malec

Senior Project Engineer

Chesterfield, MO · On-site

$98K - $127K/yr

This person will provide project management and hardware engineering leadership in delivering ... computer, facsimile/copy machines, phones. * s are not exhaustive lists of all skills ...

Wunderlich-Malec

Senior Project Engineer

Chesterfield, MO · On-site

$98K - $127K/yr

This person will provide project management and hardware engineering leadership in delivering ... computer, facsimile/copy machines, phones. * s are not exhaustive lists of all skills ...

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All JobsComputer Hardware Engineer JobsComputer Hardware Engineer Jobs in O'Fallon, MO

Computer Hardware Engineer information

See O Fallon, MO salary details

$102.4K

$136.1K

$167K

How much do computer hardware engineer jobs pay per year?

As of Sep 1, 2026, the average yearly pay for computer hardware engineer in O'Fallon, MO is $136,112.00, according to ZipRecruiter salary data. Most workers in this role earn between $112,300.00 and $160,000.00 per year, depending on experience, location, and employer.

What is a computer hardware engineer?

Computer hardware engineers are professionals who design, develop, and test computer systems and components such as processors, circuit boards, memory devices, networks, and routers. They work to ensure that computer hardware functions efficiently and integrates seamlessly with software. These engineers are often involved in research, prototyping, and overseeing the manufacturing of hardware equipment. Their work is crucial in advancing technology and improving the performance of computer systems.

What do computer hardware engineers do?

Computer hardware engineers design and test new computer hardware components, such as screens, motherboards, and memory. They may also work with products that include a computer system, such as cars, home entertainment components, and appliances that connect to the internet. Your responsibilities include creating design drawings and collaborating with manufacturers to ensure the devices are produced to specifications. You may also work with software developers to ensure compatibility. You must be able to read and design technical drawings and be able to communicate effectively with all participants in the project.

What are the key skills and qualifications needed to thrive as a computer hardware engineer?

To thrive as a Computer Hardware Engineer, you need a solid background in electrical engineering, computer architecture, and circuit design, typically supported by a bachelor’s degree in computer or electrical engineering. Familiarity with hardware description languages (such as VHDL or Verilog), CAD software, and industry certifications like CompTIA or Cisco is often important. Strong problem-solving abilities, teamwork, and effective communication skills help engineers collaborate and innovate within multidisciplinary teams. These competencies ensure the effective design, testing, and optimization of reliable hardware systems that meet modern computing needs.

What are some common challenges faced by computer hardware engineers in collaborative projects with software teams?

Computer hardware engineers often collaborate closely with software developers to ensure seamless integration between hardware components and software applications. A frequent challenge is aligning timelines and technical requirements, as hardware development cycles can differ from software schedules. Effective communication and a strong understanding of both disciplines are essential to address compatibility issues and meet project deadlines. Building strong cross-functional relationships helps resolve these challenges and leads to successful product development.

What is the difference between Computer Hardware Engineer vs Computer Network Architect?

AspectComputer Hardware EngineerComputer Network Architect
Required CredentialsBachelor's in Computer Engineering or related field; certifications like Cisco CCNA are commonBachelor's in Computer Science, Information Technology, or related; certifications like Cisco CCNP are typical
Work EnvironmentDesigning, testing, and developing computer hardware; labs and engineering facilitiesDesigning and implementing network systems; offices and data centers
Employer & Industry UsageTech companies, hardware manufacturing, research labsTelecommunications, large enterprises, data centers

Computer Hardware Engineers focus on designing and developing physical computer components, while Computer Network Architects plan and build data communication networks. Both roles require technical certifications and often work in technology-driven environments, but their core responsibilities differ significantly in scope and focus.

What exactly does a computer hardware engineer do?

A computer hardware engineer designs, develops, tests, and improves computer components such as processors, circuit boards, memory devices, and peripherals. They often work with CAD software, troubleshoot hardware issues, and ensure compatibility with software systems, requiring knowledge of electronics and engineering principles.
More about Computer Hardware Engineer jobs

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

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

Computer Hardware Engineer jobs near you
Infographic showing various Computer Hardware Engineer job openings in O'Fallon, MO as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $136,112 per year, or $65.4 per hour.

Systems Test Engineer/BSEE/Sensors/Hardware/Software

Case Interactive

Saint Louis, MO • On-site

Other

Re-posted 5 days ago

Job description

The Company business is a recognized leader in the design and integration of complex technologies into new and legacy systems and platforms for global military and commercial customers. We are a 5year running Top Workplace in the Greater St. Louis area.

Job Summary

Company is seeking a Senior Test Engineer with expertise in the design, development,analysis, documentation, and support of the testing of complex products, systems or subsystems. The candidatemust have the ability to determine how to create a process that would best test a product in order to assure thatthe product meets applicable requirements and specifications. The selected candidate will work with otherengineering disciplines and use their test engineering expertise to verify various systems and subsystems acrossmultiple technology areas.

Job Responsibilities

Design, develop, analyze, document and support testing of products, systems, or subsystems (with electrical,mechanical, hydraulic, and/or software components).

Determine how to create processes to best test a product in order to assure that the product meetsapplicable requirements and specifications.

Lead the design and development of test programs to measure the functionality and integrity of products andservices.

Write test plans and procedures to evaluate the ability of products to meet performance standards andspecifications.

Troubleshoot test hardware and software.

Design and setup instrumentation for measuring test parameters, e.g. strain, pressure, acceleration,temperature, etc.

Analyze measurement data to verify performance criteria.

Provide budget, cost and schedule inputs for assignments and proposals.

Be able to work independently, regularly reporting progress and status.

Arrange scheduling and costs for offsite testing of hardware at off-site facilities.

Responsible for completion of activities on time and budget.

Provide technical knowledge and assistance to other engineers and support personnel.

May use computer-aided engineering or other design/analysis software to design vibration fixtures, designtest cells and layouts, and design support equipment to conduct testing.

Support, communicate, reinforce and defend the mission, values and culture of the organization.

Travel is required (10-15%).

Attend appropriate engineerin, customer or business meetings.

Lead less-experienced engineers

Qualifications

B.S. degree in engineering or equivalent, and a minimum of 5 years of test engineering experience

Understanding and ability to design and perform product environmental testing based on the requirementsprovided in MIL STD 810G or MIL STD 461E or equivalent.

Systems Hardware & software testing experience.

Experience with precision test, measurement devices, and sensor selection.

Excellent analytical and communication skills, written and verbal.

Detail-oriented, organized, and able to work well in a team environment as well as independently with littleday-to-day guidance.

Proficiency in the use of Microsoft Office products.

Fluency in technologies and application domain

Ability to lead a technical group independently

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