Mechanical Engineer

Location: Sherman, TX, United States

Primary Duties & Responsibilities

 

Design

 

• Partner with process owners, equipment engineers, and manufacturing stakeholders to define process, tooling, and infrastructure requirements.
• Translate process needs into complete facility design packages, including utilities, controls, layouts, safety systems, and supporting infrastructure.
• Lead design coordination with internal engineering teams, external firms, and equipment vendors.
• Review and approve drawings, specifications, calculations, and technical submittals to ensure accuracy, constructability, and alignment with requirements.

 

Construction & Installation Support

 

• Act as the facilities system owner throughout construction and installation.
• Coordinate with construction trades, contractors, and project managers to resolve field issues and design conflicts.
• Support installation sequencing, utility tie-ins, outages, and integration with existing systems.
• Ensure adherence to safety, quality, schedule, and scope throughout execution.

 

Startup & Commissioning

 

• Lead commissioning, testing, and system validation in coordination with process owners and EHS.
• Verify systems meet performance, safety, and operational readiness requirements prior to production release.
• Develop and deliver complete system documentation, including as-built drawings, operating procedures, and maintenance plans.

 

System Ownership & Operations

 

• Serve as the long-term owner for the systems operating in a 24/7 manufacturing environment.
• Lead day-to-day operation, troubleshooting, maintenance execution, and reliability improvement activities.
• Manage and develop a dedicated technician(s), including work prioritization, training, and performance feedback.
• Establish the preventive and predictive maintenance program for the area, including development of maintenance strategies, task lists, frequencies, and documentation from initial startup.
• Own preventive maintenance strategies, spare parts planning, vendor support, and lifecycle planning.
• Drive continuous improvement initiatives to improve uptime, reduce risk, and enhance system performance.

Education & Experience

• Bachelor’s degree in Engineering (Mechanical, Chemical, Electrical, Facilities, or related discipline).
• 7+ years of experience supporting manufacturing or process facilities in an industrial, semiconductor, pharmaceutical, or advanced manufacturing environment.

Skills & Other Requirements

• Demonstrated experience providing technical leadership and day-to-day direction to technicians, contractors, or project teams.
• Demonstrated experience supporting design, construction, and startup of facility systems 
• Ability to read, interpret, and develop engineering drawings, P&IDs, construction documents, and specifications.
• Effective communication and collaboration across engineering, operations, and construction teams.
• Ability to translate process and equipment requirements into practical, buildable facility solutions.
• Working knowledge of utility systems such as gases, chemicals, exhaust, HVAC, water, power, and controls.
• Ability to operate independently as a system owner with minimal supervision.
• Comfortable operating in fast-paced environments with live construction activities and tight timelines.
• Ability to support a 24/7 manufacturing site as needed
• Willingness to travel domestically and internationally (<5%).

Working Conditions

• Requires movement between office areas, construction zones, cleanrooms, and manufacturing environments throughout the workday.
• Must be comfortable working indoors in cleanrooms and outdoors in utility areas with exposure to heat, noise, vibration, and varying weather conditions.

Physical Requirements

• Ability to perform extended site walks and inspections, including navigating uneven surfaces and active construction sites.
• Must be able to:
  • Work inside Class 100/1000 cleanroom environments
  • Wear required PPE (hard hats, safety glasses, cleanroom garments, etc.) and adhere to site safety protocols
  • Work around chemicals, including acids and solids
  • Work around hazardous and non-hazardous gases

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.

About Us

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.


Job Summary: The Mechanical Engineer is responsible for establishing and owning new manufacturing facility systems from concept through design, construction, startup, and long-term operation. This role serves as the single-threaded owner for translating process and tooling requirements into executable facility designs, coordinating construction and installation, and ensuring systems are safely commissioned and production-ready. Following startup, this engineer transitions into full system ownership, leading a small, dedicated operations group (including a technician) and maintaining accountability for ongoing operation, reliability, maintenance strategy, and lifecycle management of the associated facilities infrastructure.