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

Senior Software Engineer

Saint Louis, MO · On-site

$100 - $130/hr

... related specialized hardware; engineering studies to identify and remedy geodata processing ... A Master of Science or equivalent degree in Computer Science, Engineering, Mathematics, Information ...

Senior Electrical Engineer

Bridgeton, MO · On-site

$93K - $125K/yr

They will use computer-aided engineering (CAD) schematic capture and/or other design/analysis ... CAD applications (experience with ALTIUM a plus) * Must have experience interfacing hardware ...

Senior Electrical Engineer

Bridgeton, MO · On-site

$93K - $125K/yr

They will use computer-aided engineering (CAD) schematic capture and/or other design/analysis ... CAD applications (experience with ALTIUM a plus) * Must have experience interfacing hardware ...

Firmware Engineer

O Fallon, MO · On-site

$110 - $160/hr

True's hardware portfolio spans the gamut from embedded controls, smart LED lighting, low power ... Bachelor's degree in electrical engineering, computer science or similar field required.Ten or more ...

Controls Engineer

Wentzville, MO · On-site

$50 - $52/hr

Proficiency in the application of programmable machine controls hardware and software ... Education Requirement - Bachelor's Degree in Electrical, Computer, Mechanical Engineering Years of ...

Showing results 41-60

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.

$119K - $157K/yr

Full-time

Re-posted 14 hours ago


Job description

Freedom Technology Solutions Groups is looking to add a senior Software Engineer to the team! This position is fully onsite in St. Louis, MO.

The ideal candidate must have demonstrated firsthand experience in at least three of the following:

  • Java, JavaScript or Python enterprise application development
  • Web services architecture, design, and development
  • Relational database design
  • Spatial database design
  • NoSQL database design
  • Micro-service architecture, design and development
  • Containerization and/or Orchestration
  • API Development
  • Cloud Native Development, AWS, Azure, Google Cloud or similar Cloud Service providers

Desired Experience

  • Demonstrated experience with relational database development.
  • Must have minimum of 3 years or more experience with agile and lean philosophies, with experience serving as scrum or team lead a plus.
  • Demonstrated experience with Continuous Delivery and Continuous Integration (CI/CD) techniques, test-driven development, or automated testing practices.
  • Possesses at least one of the Agile Development Certifications
    Certified Scrum Master
    Agile Certified Practitioner (PMI-ACP)
    Certified Scrum Professional
  • Demonstrated experience in development of customized code, scripts, modules, macro procedures, or libraries to implement specialized spatial analysis functions using languages such as Python, Java, JavaScript, PHP, C, Perl, or similar scripting and development languages.
  • Demonstrated experience working independently with clients or stakeholders to develop user-stories in support of full-service consumer and business applications.
  • Demonstrated experience in integration and tailoring of geospatial Commercial Off-The-Shelf (COTS) software applications; specialized software and database development and maintenance; integration of related specialized hardware; engineering studies to identify and remedy geodata processing bottlenecks.
  • Demonstrated experience working with and developing geospatial information systems (GIS) to include open-source and proprietary geospatial formats
  • Demonstrated experience with government and/or commercial imagery products, to include SAR or related RADAR imaging technologies.
  • Demonstrated experience in use and development with common geospatial tools, data, and operating platforms. These may include, but are not limited to:
    Tools - Boundless Spatial suite, Remote View, PostGRES/PostGIS, Oracle Spatial and/or other geospatial databases, ArcGIS Desktop, ArcGIS Server, Image Server, and File Geodatabases.
    Data formats including KML, KMZ, NITF, TIFF, JPEG, GeoPDF, and similar geo-related formats and data structures.
    Operating Platforms - ESRI, OpenGeo Suite, or similar.
  • In-depth experience abstracting new or legacy systems via standards-based API's to include web services. Including but not limited to Open Geospatial Consortium standards.
  • Demonstrated experience in at least one of the following:
    Developing terrain analysis visualization and algorithms.
    Developing automated detection algorithms.

Desired Education

  • A Master of Science or equivalent degree in Computer Science, Engineering, Mathematics, Information Systems, Cybersecurity, or equivalent technical degree and a minimum of 8 years of experience in full stack development to include Java, Web services, Database, and micro-service development software,
    engineering/development, or a related area that demonstrates the ability to successfully perform the duties associated with this work.
  • Or, a Bachelor of Science or equivalent degree in Computer Science, Engineering, Mathematics, Information Systems or equivalent technical degree and a minimum of 10 years of experience in full stack development to include Java, Web services, Database, and micro-service development software, engineering/development, or a related area that demonstrates the ability to successfully perform the duties associated with this work.
  • Or, a minimum, as equivalent to education, of 12 years of experience in software engineering/development, or a related area that demonstrates the ability to successfully perform the duties associated with this work may be substituted for a technical degree.