Principal Reliability Engineer
Coherent · Horsham, PA
- Level
- Senior
- Team
- Reliability
- Experience asked
- 5+ years
- Industry
- Industrial
- Posted
- 19 days ago
The role in 30 seconds
A senior reliability role at Coherent (industrial) in Horsham, PA. A ccountability – Own the Process and the Outcome.
- They ask for
- 5+ years
- Tools it names
- Root cause, FMEA, FDA / GMP, EHS / safety
Read from the posting. The full description is below.
From the plant jobs report · week of November 2, 2026
Reliability Engineer roles in Pennsylvania: typical posted base $101k–$135k.
Median of the low and high ends of 5 live postings that list pay, out of 18 reliability engineer openings in Pennsylvania, read from manufacturers' own careers sites.
Pennsylvania plant jobs report →Pay by team and state →What moves pay →
How this role compares
Against 17 other live reliability postings in Pennsylvania.
- Base pay
- Not listed in this posting
- Experience asked
- Less than usual (5+ vs 7+)
Typical $101k–$135k, from 5 postings that list pay.
Similar roles usually ask 7+ years.
Skills these teams ask for most
- ✓ Root cause 61%
- Team leadership 28%
- ✓ FDA / GMP 22%
✓ = this posting asks for it too. % = share of similar postings that mention it.
At a glance
Pulled from the posting text. If it's not listed here, the posting didn't say.
How to get in at this plant
Five moves over a week or two. The first one takes ten minutes.
- 1
Pick 2–3 people on the Reliability team at Coherent
We found 6 people at this company and state: 4 in this kind of role, 2 leaders. Engineers who joined in the last year or two reply the most. See them ↓
- 2
Send a short, curious note
One real question about their work. No favors yet. Each person gets a different note, written for this role.
Write to Justin → (free) - 3
Turn a reply into a short call
Questions worth asking about this team:
- What does a normal week look like on your team?
- How did you land the job? What stood out in your interviews?
- 4
Apply with someone vouching for you
If the call went well, ask whether they’d pass your résumé to the hiring manager. Send your résumé link, apply that day, and let them know.
- 5
Bring proof to the interview
One page of before-and-after numbers from projects you led: scrap, OEE, cycle time, cost. Plant managers hire on results.
This plant: Coherent in Horsham
No other open roles at this site right now · 6 people we found in reliability roles at Coherent.
Full description from CoherentAs posted on their careers site.ShowHide
Responsibilities
- ◆Perform FIT rate analysis during product development phase
- ◆Lead DFMEA analysis and report generation during product development phase for module, circuit pack or optical system products
- ◆Work with customer’s Subject Matter experts to agree on product Qualification
requirements
- ✓Oversee Qualification testing and reports
- ✓Global regulatory compliance, such as FCC, ETL, CB, FDA, CE, RCM and etc
- ✓Co-ordinate product testing at external laboratories to Telecommunication industry standards such as GR-63 and GR-1089
- ✓Contribute to Root Cause Analysis and Corrective Action teams
- ✓Define Qualification
requirements
for internal products and component vendors
Education & Experience
- ✓5+ years of experience in optical device industry or equivalent
- ✓Track record in Design for Reliability and leading products through qualification, compliance and deployment.
- ✓Familiarity with Telcordia qualification standards for Passive and Active optical components and optical amplifiers
- ✓Familiarity with manufacturing processes for optical communication devices and systems
- ✓Experienced in system level design and trouble-shooting for design issues in EMC/ Safety /NEBS based testing (GR-63, GR-1089, & GR-78 , IEC/EN 60825- 1, IEC/EN 60825-2, IEC/EN 62368-1, EN 55032, EN 55035, ETSI EN 300 386, IEC 6100 series,FCC Part 15 ).
B.SC. in Engineering or Materials Science
Requirements
- ✓Sitting for extended periods while working on a computer or conducting meetings.
- ✓Use of hands and fingers for typing, writing, and handling documents.
- ✓Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
- ✓Ability to communicate verbally and in writing.
- ✓Mobility within the office environment to attend meetings
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 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.
Show full description ↓Show less ↑
Skills
- •Knowledge of reliability modeling methods such as fault trees, failure modes and effects analysis, and reliability block diagrams
- •Broad knowledge and experience with optical communication systems, fiber optic products/device reliability.
- •Experience with SR-332 and Weibull++ reliability tools
- •Good technical knowledge and understanding of fiber-optics and its practical application
- •Data management and analysis
- •Leadership and the ability to work
- •Strong ability to solve complex problems & make correct business decisions in short timeframes , often with limited inputs. Creative, analytical and structured problem solving capabilities
- •Excellent interpersonal, communication and presentation skills
- •Ability to prioritize multiple external and internal projects correctly
Working Conditions
- •Occasional Off-site meetings or travel
- •Regular use of a computer and other office equipment is necessary
- •Interaction with team members and external contacts is a regular part of the job
- •May require occasional overtime and flexibility in work hours to accommodate the executive’s needs
Physical
