1

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

Hardware Execution Engineer

Saint Louis, MO

$120K - $158K/yr

Based at our St. Louis, MO iCenter , as a Hardware Execution Engineer, you'll support the ... computer systems, and industrial networks. * Participate in system integration, testing, and ...

They are seeking a Service Desk Engineer to deliver exceptional customer service by maintaining and ... GFI Digital is a computer hardware company. Founded in 1999, the company is headquartered in ...

next page

Showing results 1-20

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 Aug 9, 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 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 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 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 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 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 job categories do people searching Computer Hardware Engineer jobs in O'Fallon, MO look for? The top searched job categories for Computer Hardware Engineer jobs in O'Fallon, MO are:
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:
Infographic showing various Computer Hardware Engineer job openings in O'Fallon, MO as of July 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.

Hardware Execution Engineer

Emerson

Saint Louis, MO

$120K - $158K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 15 days ago


Emerson Electric rating

7.8

Company rating: 7.8 out of 10

Based on 22 frontline employees who took The Breakroom Quiz

210th of 487 rated machine equipment manufacturers


Job description

hackajob is collaborating with Emerson to connect them with exceptional professionals for this role.

Description

If you are an engineering professional looking to make an impact in critical infrastructure while growing within a collaborative, project focused environment, Emerson has an exciting opportunity for you. Based at our St. Louis, MO iCenter, as a Hardware Execution Engineer, you'll support the successful execution of automation and control system projects by coordinating, designing, and delivering system hardware packages that meet quality, schedule, and customer expectations.

In this role, you will work closely with project engineers, project managers, and cross disciplinary teams to support system hardware design, network architectures, and project schedules across a portfolio of projects. Your primary focus will be enabling the timely, accurate execution of hardware deliverables, helping ensure projects are completed safely, efficiently, and to a high standard.

At Emerson, we help customers in the world’s most essential industries solve their toughest challenges. Our Power & Water Solutions business upgrades and modernizes critical infrastructure using industry leading automation, controls, and instrumentation to support a safer, smarter, and more sustainable future.

Learn more about Ovation:
https://www.emerson.com/en-us/automation/ovation

In This Role, Your Responsibilities Will Be:

  • Coordinate and support system hardware design activities across multiple projects, ensuring alignment with project scope, schedules, and quality requirements.

  • Support the development and execution of hardware packages, including system hardware designs, network architecture, control panel layouts, wiring and schematic drawings, and device selections.

  • Collaborate with project management, engineering disciplines, and customer stakeholders to plan work, manage interfaces, and support on time delivery of project milestones.

  • Assist with the setup, configuration, and checkout of control system hardware, computer systems, and industrial networks.

  • Participate in system integration, testing, and validation activities, including hardware testing and factory acceptance testing.

  • Identify and help resolve technical or schedule challenges through coordination, documentation, and clear communication.

  • Support customer‑facing activities such as hardware design reviews, layout discussions, and acceptance testing.

  • Contribute to continuous improvement efforts by supporting updates to engineering tools, processes, standards, and documentation.

  • Gain exposure to multiple engineering disciplines and project phases while supporting senior engineers and project teams.

Who You Are:

You communicate clearly and effectively across teams, disciplines, and experience levels. You anticipate needs, follow through on commitments, and contribute positively to shared project goals. You approach challenges thoughtfully, working through problems that may not have a single clear solution while maintaining focus on safety, quality, and delivery. You enjoy collaborating in a structured project environment and take pride in helping teams execute work successfully.

For This Role, You Will Need:

  • Bachelor’s degree in engineering, similar STEM degree, or a combination of experience and education will be considered.
  • Minimum of 3 years of experience supporting industrial automation, control system, or electrical engineering projects
  • Experience supporting industrial automation, control systems, or electrical engineering projects in a plant, project, or execution environment.

  • Experience with Distributed Control Systems (DCS) or PLC based systems and electrical design for projects
  • Ability and willingness to travel up to approximately 25% to support testing, commissioning, or customer activities as needed.

  • Authorized to work in the United States without sponsorship now or in the future
     

Preferred Qualifications That Set You Apart:

  • Bachelor of Science in Electrical Engineering 
  • Preferred 5+ years of related experience
  • Experience with designing or troubleshooting control system networks
  • Experience with Ovation Distributed Controls Systems
  • Familiarization with applicable industry codes and processes
  • Experience in producing Electrical Engineering Design deliverables
     

Our Culture & Commitment to You:

At Emerson, we prioritize a workplace where every employee is valued, respected, and empowered to grow. We foster an environment that encourages innovation, collaboration, and diverse perspectives—because we know that great ideas come from great teams. Our commitment to ongoing career development and growing an inclusive culture ensures you have the support to thrive. Whether through mentorship, training, or leadership opportunities, we invest in your success so you can make a lasting impact. We believe diverse teams, working together are key to driving growth and delivering business results. 

We recognize the importance of employee wellbeing. We prioritize providing flexible, competitive benefits plans to meet you and your family’s physical, mental, financial, and social needs. We provide a variety of medical insurance plans, with dental and vision coverage, Employee Assistance Program, 401(k), tuition reimbursement, employee resource groups, recognition, and much more. Our culture offers flexible time off plans, including paid parental leave (maternal and paternal), vacation and holiday leave.

Learn more about our Culture & Values. 

#LI-MS11


What Emerson Electric employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom