[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Coherent jobs](https://jobs.opennash.com/companies/coherent/) · [Search jobs](/search/) Coherent · Sherman, TX # Senior Engineer, Test Engineering Sherman, TX, United States Senior individual contributor Operations Listed on Coherent’s official careers site. Posted February 10, 2026. Check that it is still open and apply there. [Apply on Coherent’s careers site →](https://hcwp.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/2009806) [OpenNash Jobs](https://jobs.opennash.com/) / [Coherent](https://jobs.opennash.com/companies/coherent/) / Senior Engineer, Test Engineering ## Job description ### Primary Duties & Responsibilities - Improve existing Test Infrastructure capability and capacity in the factory - Develop and deploy new Test Infrastructure in the factory - Develop and deploy custom Test Infrastructure for R&D Continuously (24/7) maintain new and existing Test Infrastructure in the factory Setup & improve material flow process through the Test Infrastructure in the factory - Support the Test Infrastructure requirements for multiple product teams simultaneously - Develop, execute, and analyze DOEs - Develop and maintain Test Infrastructure via SPC and other techniques - Develop, improve, and maintain Test & Process SOP and OCAP documentation Provide Test Equipment & Process related training to operators & technicians Frequently analyze and report on Tool health, Process health, and Project status - Develop calibration and validation routines for Test Equipment - Meet and improve upon - Test related KPI goals Ownership and accountability of Test Infrastructure and Performance in the factory Frequently present verbal and written updates and reports to upper management - Work closely with cross-functional teams and ensure project and product successes Interfacing and reporting to internal and external customers on projects ### Education & Experience - Minimum 2 yr. semiconductor, analog, or similar - Test and Measurement experience MS or equivalent degree, PhD preferred High volume manufacturing experience strongly preferred Skills In-depth knowledge of optics, mechanics, and electronics theory - Excellent laboratory skills using high speed test equipment such as network analyzers, pattern generators, oscilloscopes, error detectors, micrometers, microscopes, etc. Cursory knowledge of programming or scripting languages Quick learner with abstract and foreign concepts Great self-management & prioritization skills - Strong written and verbal communication skills - Strong reporting, logging, and documentation skills - Strong direct ownership of projects and ability to successfully complete them within cross-functional teams High proficiency with MS Office suite and similar software Experience with popular mathematical, engineering, and statistical software packages - Demonstrated decision making based on data and statistics - Ability to support a 24/7 manufacturing environment - Must be a self-starter, able to work in high stress environment - Strong interpersonal/teaming skills to able to effectively collaborate with other cross-functional teams and individuals at all levels of the organization to achieve business unit and organizational objectives. - Demonstrated good judgement in selecting methods and techniques for obtaining solutions - Ability to juggle many tasks simultaneously and continually report on progress Working Conditions This position will support 24/7 factory operations inside a cleanroom Some days may be spent nearly entirely on the cleanroom floor in cleanroom attire Some days may be spent nearly entirely sitting at cubicle desk - Must be a self-starter, able to work in high physical and mental stress environment - Must be able to work from incomplete/non-existent documentation and instructions Holiday/nights/weekends work may be necessary depending on project/production deadlines Physical Requirements Includes working on mechanical systems within a production cleanroom and/or lab Includes working with laptops & desktops within a production cleanroom and/or cubicle Requires bending at the waist and/or knees Requires leaning/reaching into mechanical systems Requires bundling/unbundling cabling on the floor Requires lifting up to 50lb Requires using microscopes and other metrology tools Requires working in full cleanroom attire including laser safety goggles 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.: I ntegrity - Create an Environment of Trust C ollaboration - Innovate Through the Sharing of Ideas A ccountability - Own the Process and the Outcome R espect - Recognize the Value in Everyone E nthusiasm - 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. ## At a glance - Posted by the employer: Feb 10, 2026 - First seen by OpenNash: Jul 10, 2026 - Last checked: Oct 18, 2026 - Listed for: 250 days - Location: Sherman, TX, United States[Apply on Coherent’s careers site →](https://hcwp.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/2009806) ## More jobs at Coherent ### [CEB Operator](https://jobs.opennash.com/companies/coherent/jobs/8b75d7844ee99b6bae19/) Sherman, TX, United States ### [Capital Projects Manager](https://jobs.opennash.com/companies/coherent/jobs/0d928d2551b1b742b05b/) Sherman, TX, United States ### [EPI Operator](https://jobs.opennash.com/companies/coherent/jobs/4ddc5c0e7f3a45a661f0/) Sherman, TX, United States ### [Equipment Engineer](https://jobs.opennash.com/companies/coherent/jobs/973f76840aa015af1a24/) Sherman, TX, United States ## Similar jobs at other companies ### [Test Engineering - Software Engineer (Hybrid)](https://jobs.opennash.com/companies/bae-systems/jobs/53ea76fde65c5068c586/) BAE Systems · Cedar Rapids, Iowa, United States ### [Space Systems Engineering Integration & Test Engineer - TIDES FPGA (PIE)](https://jobs.opennash.com/companies/general-dynamics/jobs/5c5106108153ca5e1ed0/) General Dynamics · Scottsdale, AZ, US ### [Test Engineering - Principal Software Engineer (Hybrid)](https://jobs.opennash.com/companies/bae-systems/jobs/a6c0299a7faa4d42a562/) BAE Systems · Cedar Rapids, Iowa, United States ### [DO NOT APPLY - TEST REQ - Engineer III, Manufacturing Engineering - Bridgewater US](https://jobs.opennash.com/companies/thermo-fisher-scientific/jobs/c2c8d93d8d88fb5769db/) Thermo Fisher Scientific · Bridgewater, New Jersey, United States of America ### [Test Engineering Supv - L3](https://jobs.opennash.com/companies/lockheed-martin/jobs/b12d9a25f7eed7b341fe/) Lockheed Martin · Orlando, FL OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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