Senior Engineer, Test Engineering
Coherent
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Sherman, TX · Posted February 10, 2026
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Engineering jobs in the rankings
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among software quality assurance analysts and testers, AI is already used for a large share of the tasks. Measured exposure for software quality assurance analysts and testers: 52% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
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 .
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.