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Functional Test Engineer Jobs (NOW HIRING)

Flex

Functional Test Engineer-3

Austin, TX · On-site

Job Summary To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Test Engineer located in Austin, TX. Reporting to the Test Engineering ...

X-FAB TEXAS INC

Test Engineer

Lubbock, TX · On-site

Generate and maintain test programs for parametric and functional test. Characterize tests and maintain correlation with sister /customer waferfabs. Assist manufacturing and engineering to ensure the ...

X-FAB TEXAS INC

Test Engineer

Lubbock, TX

Generate and maintain test programs for parametric and functional test. Characterize tests and maintain correlation with sister /customer waferfabs. Assist manufacturing and engineering to ensure the ...

X-FAB

Test Engineer

Lubbock, TX · On-site

Test Engineer Functions / Duties Generate and maintain test programs for parametric and functional test. Characterize tests and maintain correlation with sister /customer waferfabs. Assist ...

Emerald Technologies

Test Engineer

Saline, MI · On-site

Develop, validate, and support production test solutions including ICT, Flying Probe, Functional ... Bachelor's degree in Electrical Engineering, Electronics Engineering Technology, Manufacturing ...

Emerald Technologies

Test Engineer

Saline, MI · On-site

Develop, validate, and support production test solutions including ICT, Flying Probe, Functional ... Bachelor's degree in Electrical Engineering, Electronics Engineering Technology, Manufacturing ...

Danfoss

Functional Test Engineer - Hydraulics

Ames, IA · On-site

Functional Test Engineer - Hydraulics The Impact You'll Make Danfoss's is looking for a Test Engineer to provide development and support for our hydraulic end-of-line production test stands! The ...

Atego

Software Test Engineer

Zeeland, MI · On-site

Additionally, the Software Test Engineer will develop comprehensive functional test procedures to confirm that the product behaves as expected with reference to specific documented software ...

Omni One

Mechanical Test Engineer

Columbus, OH · On-site

Mechanical Test Engineer $65,500 to $77,500 Columbus, OH Job ID 29267 This global supplier has ... heat, and functional test Collection and analyzing data and creating test reports Using your ...

Atego

Software Test Engineer

Zeeland, MI · On-site

Additionally, the Software Test Engineer will develop comprehensive functional test procedures to confirm that the product behaves as expected with reference to specific documented software ...

Biotronik

Test Engineer I

Lake Oswego, OR · On-site

Engineer I, MST Test The MST Test Engineer will serve as the primary contact for all MST (OEM) customers on the Functional Test, Burn-in Test, Automated Label and Battery Charge Systems. They will ...

Honeywell

Manufacturing Test Engineer

Northford, CT · On-site

Develop and maintain functional test, final functional test (FFT), in-circuit test (ICT), flying-probe, boundary-scan, programming, and electrical safety test solutions for PCBAs and electronic ...

Celestica Inc.

DFT and Test Engineer

Richardson, TX · On-site

$100 - $125/hr

DFT and Test Engineer Summary At Celestica, we don't just manufacture high-complexity technology ... Model structural and functional coverage to report gaps against the MTRS, and verify achieved ...

QCi

Test Engineer About Us Quantum Computing Inc. (QCi) (Nasdaq: QUBT) is an innovative, integrated ... product functional test development and hardware integration with software. * 2+ years of ...

QCi

Test Engineer

Hoboken, NJ · On-site

Test Engineer About Us Quantum Computing Inc. (QCi) (Nasdaq: QUBT) is an innovative, integrated ... product functional test development and hardware integration with software. * 2+ years of ...

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Functional Test Engineer information

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How much do functional test engineer jobs pay per hour?

As of Sep 10, 2026, the average hourly pay for functional test engineer in the United States is $44.24, according to ZipRecruiter salary data. Most workers in this role earn between $33.41 and $52.40 per hour, depending on experience, location, and employer.

What is a functional test engineer?

Functional Test Engineers are professionals responsible for designing, executing, and maintaining tests that verify the functionality of software applications or systems. They ensure that all features and requirements specified by stakeholders work as expected by creating test cases and scripts, performing manual or automated tests, and documenting results. Their work helps identify defects or inconsistencies early in the development process, contributing to higher quality products. Functional Test Engineers often collaborate with software developers, QA teams, and project managers to resolve issues and improve overall system reliability.

What are the key skills and qualifications needed to thrive as a functional test engineer?

To thrive as a Functional Test Engineer, you need strong analytical skills, knowledge of software testing methodologies, and a background in computer science or a related field. Familiarity with test management tools (like JIRA or TestRail), automated testing frameworks, and certifications such as ISTQB are commonly expected. Attention to detail, problem-solving abilities, and effective communication are essential soft skills in this role. These competencies ensure that software products meet quality standards and requirements, leading to reliable and successful project outcomes.

What are some common challenges functional test engineers face when working on cross-functional teams?

Functional Test Engineers often work closely with developers, business analysts, and product managers to ensure software meets requirements. A common challenge is effectively communicating test results and requirements across diverse teams, especially when priorities or technical understanding differ. Balancing thorough testing with tight project deadlines can also be demanding, requiring strong organizational and negotiation skills. Being proactive in fostering collaboration and clarity helps Functional Test Engineers bridge gaps and drive quality outcomes.

What is the difference between Functional Test Engineer vs Manual Tester?

AspectFunctional Test EngineerManual Tester
Primary FocusDesigning and executing functional test cases to verify software featuresExecuting test cases manually to identify bugs and issues
Required SkillsKnowledge of testing tools, scripting, understanding of software requirementsAttention to detail, understanding of testing processes, basic technical skills
Work EnvironmentSoftware development teams, QA departments, automation integrationQA teams, software projects, often in manual testing phases
CertificationsISTQB, ISTQB Agile, or similar testing certificationsISTQB Foundation, basic testing certifications often preferred

While both roles focus on testing software, the Functional Test Engineer typically involves designing comprehensive functional tests and may include automation, whereas the Manual Tester primarily executes tests manually to find bugs. The Functional Test Engineer often requires more technical skills and scripting knowledge, making it suitable for environments emphasizing automated testing and detailed functional validation.

More about Functional Test Engineer jobs

What are popular job titles related to Functional Test Engineer jobs?

For Functional Test Engineer jobs, the most frequently searched job titles are:

Functional Test Engineer jobs near you
Infographic showing various Functional Test Engineer job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 83% Full Time, 12% Part Time, 3% Contract, and 1% Nights. Highlights an 91% Physical, 1% Hybrid, and 8% Remote job distribution, with an average salary of $92,027 per year, or $44.2 per hour.

Functional Test Engineer-3

Austin, TX • On-site

Flex
Recruiting and Staffing Services • 11 - 50 employees
Learn more about Flexexternal

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago

Job description

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.Job Summary

To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Test Engineer located in Austin, TX.

Reporting to the Test Engineering Manager, the Test Engineer will serve as a key technical lead and individual contributor for a new liquid-cooled server rack product line. You will drive launch and ongoing support of high-power AI/ML, GPU, and hardware accelerator-based server, storage, and networking platforms featuring advanced liquid cooling. This role owns test process development for full rack (L6,10/L11) assembly and integration-ensuring quality, performance, and safety-across NPI and sustaining production. You'll design procedures, automate test execution, analyze data for continuous improvement, and leverage liquid cooling expertise to deliver robust end-customer solutions.

Minimum Qualifications

  • Bachelor's degree in CS, CE, EE/Electronics, or related field (MSEE or advanced degree preferred).
  • 3-5 years of hands-on experience in failure analysis and system-level testing within a high-paced manufacturing environment.
  • Proficiency in scripting languages (Python, Bash), advanced Linux command-line operations, and hardware/network troubleshooting including the ability to train others on Linux fundamentals.
  • Expertise in computer and server hardware/software integration, diagnostics, and repair -particularly within a manufacturing or high-level assembly environment
  • Experience with DAQs and sensors (thermocouples, flow meters, pressure sensors).
  • Strong knowledge of statistical analysis and its application to data-driven troubleshooting and decision-making
  • End-to-end development of the test operations process, including SOPs, work instructions, process flowcharts, operational activities, and destination routing.

Preferred Qualifications:

  • Performing hands-on debugging, validation, and system-level failure analysis of next-generation server and rack systems within a high-mix, high-ambiguity manufacturing environment.
  • Strong Linux CLI proficiency, hardware integration expertise, and advanced troubleshooting skills across L6, and L10, test stages. Ability to train others on Linux basics.
  • System architecture understanding-how liquid cooling integrates with overall system testing.
  • Intermediate programming in Bash and Python.
  • Familiarity with liquid cooling components (pumps, radiators, cold plates, chillers, reservoirs, tubing, fittings, coolants).
  • Leak detection/prevention techniques and best practices.

What you'll receive for the great work you provide:

  • Full range of medical, dental, and vision plans
  • Life Insurance
  • Short-term and Long-term Disability
  • Matching 401(k) Contributions
  • Vacation and Paid Sick Time
  • Tuition Reimbursement

Application Deadline:

Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.

Job Posting Start Date 09-03-2026 Job Posting End Date 09-08-2026 Job CategoryProduction Engineering

Is Sponsorship Available?

NoFlex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email accessibility@flex.com and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).
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About Flex Personnel

Sourced by ZipRecruiter

The Flex Team is made up of Staffing Industry experts committed to serving the needs of businesses and workers by bringing people together. We are guided by our Core values Integrity, Courtesy, and Respect. At Flex we bring Businesses and People together. We carefully assess both the needs of our Business clients and the complete profiles of each candidate, and then make the connections we believe will be most mutually beneficial. With offices in select markets throughout the Country, We are continually expanding our industry reach nationwide.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Dallas, TX, US

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