Principal Supply Line Engineer

Location: Dallas, TX, United States; Hybrid

Primary Duties & Responsibilities

• Serve as the primary quality contact for PCBA (Printed Circuit Board Assembly) supplier quality and technology matters
• Monitor supplier quality performance on a regular basis and drive continuous improvement
• Collaborate with the Procurement team to develop and qualify new suppliers
• Lead failure analysis (FA) and root cause/corrective action activities for supplier quality issues
• Conduct Design for Manufacturability (DFM) and Design for Reliability (DFR) reviews with suppliers and R&D teams
• Perform supplier audits and manage supplier performance and quality metrics
• Oversee supplier-driven changes and ensure compliance with quality standards
• Provide technical support to supplier to resolve process or quality issues

Education & Experience

• Minimum 9 yr. experience in PCBA engineering and supplier quality management
• Master in Engineering of Electronics or equivalent degree.
• Extensive experience in process development, improvement and monitoring at supplier site

Skills

• Strong knowledge of industry standards such as IPC-A-610, IPC-A-600, and JEDEC; familiar with PCBA-related reliability testing.
• Proficient in quality tools and methodologies including 8D, MSA, SPC, DOE, and FMEA; Six Sigma Green Belt or Black Belt certification is a plus.
• Excellent written and verbal communication skills in English; skilled in delivering clear presentations and comprehensive reports.
• Well-versed in quality management systems such as ISO 9001, ISO 14000, and IATF 16949.
• Experienced with data analysis tools such as Minitab and JMP.
• Demonstrated ability to work independently with minimal supervision and manage complex tasks effectively.
• Strong team player in cross-functional, cross-cultural, and global team environments.
• Flexible and able to support variable work hours to coordinate with international teams and suppliers.
• Expert in quality analysis, root cause problem-solving, and project management.
• Knowledge of materials analytical tools for Failure Analysis to identify root causes and assess corrective actions.
• Well-versed on the latest advances in PCB, attachment, component, and process technologies to assess reliability risks throughout product lifecycle.

Working Conditions

• Standard office and manufacturing environment with regular visits to supplier facilities as needed.
• May involve occasional travel, both domestic and international, to support supplier development and audits.
• Flexible working hours required to coordinate with global teams and suppliers across different time zones.
• Must be able to manage workload independently in a dynamic and fast-paced environment.
• Work onsite or hybrid.

Physical Requirements

• Ability to sit or stand for extended periods while working at a computer or during supplier site visits.
• Capable of walking through manufacturing facilities, including navigating stairs and uneven surfaces.
• Occasional lifting of up to 25 pounds may be required (e.g., samples, equipment, or documents).
• Visual acuity to inspect PCBA components and review technical documentation.
• Ability to travel as needed, including long-distance flights and on-site supplier assessments.

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: This role serves as the primary quality and technical contact for PCBA suppliers, responsible for monitoring supplier performance and ensuring consistent quality standards. The position supports supplier development and qualification in partnership with the Procurement team and leads activities such as failure analysis (FA), RCCA, DFM reviews, audits, and change management. The ideal candidate has strong expertise in PCBA processes and quality, is a proactive self-starter, and is comfortable working flexible hours to support global teams. A passion for collaboration, continuous learning, and problem-solving is essential.