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Senior Performance Test Engineer Jobs in Denison, TX

Coherent

Reliability Engineer

Sherman, TX

$88K - $111K/yr

S. in Physics, Engineering, Materials Science, Statistics, Applied Mathematics, or related ... performance characterization, and degradation mechanisms * Optical and electrical test development ...

Coherent Corp.

Reliability Engineer

Sherman, TX · On-site

$88K - $111K/yr

S. in Physics, Engineering, Materials Science, Statistics, Applied Mathematics, or related ... performance characterization, and degradation mechanisms * Optical and electrical test development ...

II-VI Incorporated

Reliability Engineer

Sherman, TX · On-site

$88K - $111K/yr

S. in Physics, Engineering, Materials Science, Statistics, Applied Mathematics, or related ... performance characterization, and degradation mechanisms * Optical and electrical test development ...

Maximus

Senior Cloud Platform Engineer

Randolph, TX · On-site

$64 - $85.25/hr

The Senior Cloud Platform Engineer designs and manages large-scale Kubernetes environments ... performance, and security of container workloads. - Integrate Kubernetes into CI/CD pipelines and ...

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All JobsPerformance Test Engineer JobsSenior Performance Test Engineer JobsSenior Performance Test Engineer Jobs in Denison, TX

Senior Performance Test Engineer information

See Denison, TX salary details

$59.9K

$103.6K

$147.3K

How much do senior performance test engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for senior performance test engineer in Denison, TX is $103,592.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,200.00 and $119,300.00 per year, depending on experience, location, and employer.

What is a senior performance test engineer?

Senior Performance Test Engineers are specialized professionals responsible for designing, executing, and analyzing performance tests to ensure software applications meet required speed, scalability, and stability standards. They identify system bottlenecks, recommend improvements, and collaborate with development and operations teams to optimize application performance. With years of experience, they often lead performance testing strategies, mentor junior testers, and use advanced tools to simulate high-stress scenarios. Their work ensures that applications can handle expected user loads and perform reliably under various conditions.

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

To thrive as a Senior Performance Test Engineer, you need advanced knowledge of software testing methodologies, scripting languages, and a degree in computer science or a related field. Expertise in tools like JMeter, LoadRunner, or Gatling and familiarity with CI/CD pipelines are typically required, along with relevant certifications such as ISTQB. Strong analytical thinking, problem-solving skills, and effective communication set top performers apart in this role. These skills and qualifications are vital to accurately assess system performance, identify bottlenecks, and ensure robust, scalable applications.

What are some common challenges faced by senior performance test engineers when working on large-scale applications?

Senior Performance Test Engineers often encounter challenges such as accurately simulating real-world user loads, identifying bottlenecks in complex, distributed environments, and ensuring test data and environments closely mirror production. Collaborating with development and operations teams to resolve performance issues can also be demanding, especially when root causes are not immediately apparent. Staying current with evolving tools and best practices is essential to effectively address these challenges and deliver reliable, high-performing applications.

What is the difference between Senior Performance Test Engineer vs Performance Test Engineer?

AspectSenior Performance Test EngineerPerformance Test Engineer
CertificationsISTQB, ISTQB Advanced, or similarISTQB, ISTQB Foundation, or similar
Work EnvironmentLead testing projects, mentor juniors, analyze complex performance issuesExecute performance tests, prepare reports, support test planning
ResponsibilitiesDesign test strategies, optimize performance, troubleshoot issuesDevelop test scripts, run tests, document results

The main difference between a Senior Performance Test Engineer and a Performance Test Engineer lies in experience, responsibilities, and leadership. Senior professionals typically lead testing efforts, mentor team members, and handle complex performance challenges, while Performance Test Engineers focus on executing tests and supporting the testing process. Both roles require similar certifications and work in comparable environments, but the senior role involves more strategic and leadership duties.

What cities near Denison, TX are hiring for Senior Performance Test Engineer jobs?

Cities near Denison, TX with the most Senior Performance Test Engineer job openings:

Infographic showing various Senior Performance Test Engineer job openings in Denison, TX as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 14% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $103,592 per year, or $49.8 per hour.

Reliability Engineer

Coherent

Sherman, TX

$88K - $111K/yr

Full-time

Re-posted 18 hours ago

Job description

Primary Duties & Responsibilities

  • Develop and execute qualification plans for new products and technologies

  • Design and oversee reliability testing including burn-in, life test, HTOL, TC, thermal shock, damp heat, HAST

  • Provide instructions and technical guidance to technicians and operators performing reliability stresses and tests

  • Analyze accelerated stress data to determine acceleration factors, lifetime projections, FIT, reliability confidence intervals

  • Perform statistical analysis using JMP, Excel, SQL, or similar tools to identify reliability trends and degradation mechanisms

  • Determine samples requiring physical failure analysis and coordinate FA activities

  • Interpret results from SEM, FIB, EDX, cross-section analysis, material analysis, and related techniques

  • Drive corrective actions and reliability improvements through root-cause investigations

  • Develop, validate, and optimize electrical and optical test methodologies for photodiodes and laser devices

  • Improve test capability, measurement accuracy, throughput, repeatability, and reproducibility

  • Author Qualification Test Reports (QTRs), reliability assessments, and customer-facing reliability documentation

  • Present reliability test results and recommendations to management, customers, and cross-functional teams

Education & Experience

  • B.S. or M.S. in Physics, Engineering, Materials Science, Statistics, Applied Mathematics, or related technical discipline
  • 3+ years of experience in semiconductor reliability, optoelectronic device engineering, product engineering, test engineering, or related fields
  • Experience working with semiconductor optoelectronic devices or optical communication components
  • Experience planning, executing, and analyzing engineering experiments

Skills

  • Reliability analysis and lifetime modeling
  • Statistical analysis using JMP, Excel, Python, or equivalent tools
  • Design of Experiments (DOE)
  • SQL and data analysis tools
  • Strong understanding of III-V semiconductor device physics
  • Knowledge of laser and photodiode operation, performance characterization, and degradation mechanisms
  • Optical and electrical test development for photodiodes and laser devices
  • Reliability and qualification standards for semiconductor and optoelectronic products
  • Ability to manage multiple projects simultaneously and meet aggressive deadlines
  • Strong technical communication skills, both written and verbal
  • Excellent problem-solving and root-cause investigation skills
  • Effective collaboration within cross-functional engineering teams

Working Conditions

  • Ability to work in a semiconductor cleanroom environment
  • Support qualification and production activities in a 24/7 manufacturing environment

Physical Requirements

  • Work in a Class 100/1000 cleanroom environment for extended periods
  • Wear full cleanroom attire
  • Stand and sit for extended periods as required
  • Handle test hardware and measurement equipment

Safety Requirements

All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.

Quality and Environmental Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Culture Commitment

Ensure adherence to company's values (ICARE) in all aspects of your position at Coherent Corp.:

Integrity - Create an Environment of Trust

Collaboration - Innovate Through the Sharing of Ideas

Accountability - Own the Process and the Outcome

Respect - Recognize the Value in Everyone

Enthusiasm - Find a Sense of Purpose in Work


 

Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.


 

If you need assistance or an accommodation due to a disability, you may contact us at talentacquisition@coherent.com.


 

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!
Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.

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