Principal Engineer, Applications
Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Oct 20, 2026. Coherent scores A on the Alion truth index.
Primary Duties & Responsibilities
Customer Technical Support - 60%
- Quick response technical support customer issues or inquiries
- Work with internal teams to resolve customer issues and complete Root Cause Analysis
- Provide technical support for PLM and Quality team customer interactions
- Review PLM and R&D product specifications, providing real-world feedback to new product development
- Review and/or propose test scope and detailed plan.
- Review with R&D team and conduct any necessary pre-testing to ensure trial success
- Perform testing at customer site as required
Customer Demo and Trial Support - 30%
- Review and/or propose test scope and detailed plan.
- Review with R&D team and conduct any necessary pre-testing to ensure trial success
- Perform testing at customer site as required
Technical Training and Documentation - 20%
- New product installation and operation training for the front line customer support team
- Provide technical Customer Installation and Operating documentation
Education & Experience
- M.Sc. or B.Sc. degree in Electrical Engineering, Computer Science or Physics
- 8+ years working experience in optical communication companies as technical support manager or engineer, development engineer or system verification engineer.
- Experience with the following technologies: Coherent optical transceivers, DWDM, OTN, optical network architectures, and network management protocols.
- Experience investigating field issues and RMA support
- Experience using and troubleshooting network management system
- Experience in coding Python script is preferred.
- Experience in product development is preferred.
Skills
- Travel 25% to 33% of time, to meet customer support needs
- 7x24 on-call support
- Strong communication and negotiation skills
- Creative, analytical and structured problem-solving capability
Team oriented and a self-starter
Working Conditions
- Working conditions typical of a climate controlled and professional office environment. This role routinely requires use of standard office equipment such as computers, phones, copiers, filing cabinets, etc.
Physical Requirements
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; use hands to finger, handle or feel; and reach with hands and arms
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 [email protected].