Coherent

Lead Engineer, Embedded System Verification

Coherent • $100K — $130K *
Horsham, PA 19044In-Person
Telecommunications & Hardware
5 - 7 years of experience
Today
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Job Overview by Ladders

Qualifications

  • BA or BS in Engineering or Computer Science required.
  • 5+ years of experience in communication systems verification testing.
  • Experience in automated northbound interface testing: Netconf/YANG, CLI, SNMP.
  • Experience with Linux-based embedded systems.
  • Proficiency in Python or other scripting languages for automation testing.
  • Knowledge of network protocols such as TCP/IP, Ethernet, OTN.
  • Familiarity with DWDM optical systems and testing tools.

Responsibilities

  • Collaborate with cross-functional teams to analyze system specifications and technical requirements.
  • Design comprehensive test plans covering functional, performance, and boundary scenarios.
  • Establish verification best practices for a newly formed team.
  • Validate management interface by testing optical provisioning, alarms, telemetry, and software upgrade features.
  • Conduct end-to-end testing on optical transmission systems, focusing on signal integrity and network resilience.
  • Develop and maintain Python-based automation scripts; implement CI/CD pipelines.
  • Create test summary reports for software releases.

Benefits

  • Opportunities for professional development and training.
  • Flexible work hours to accommodate executive needs.
  • Occasional off-site meetings or travel may be required.
  • Engagement with cross-functional teams across the organization.
Full Job Description
Job Description

Primary Duties & Responsibilities
  • Discuss and review system requirement documents. Collaborate with cross-functional teams to analyze system specifications and technical requirements.
  • Design and develop comprehensive test plans covering functional, performance, and boundary scenarios. Create traceability matrices aligning test cases with system requirements
  • Establish best verification practices for a new team, consistent with existing practices and tools used by sister team
  • Validate management interface by testing optical provisioning, alarm, telemetry and software upgrade features over CLI and gRPC interfaces
  • Conduct end to end testing of optical transmission systems including signal integrity validation, network resilience testing (protection switching, failure recovery), L1 performance benchmarking (BER, Q-factor, latency measurements, etc.) and L0 performance (optical power, spectrum and OSNR)
  • Develop/maintain Python-based automation script. Implement CI/CD pipelines for regression testing using Jenkins/Gitlab
  • Create test summary report for each release
  • Maintain daily sanity tests and run regression tests in each software load. Perform regression testing for software/hardware upgrades.
  • Design new test cases based on customer findings or new feature requests

Education & Experience
  • BA or BS in Engineering or Computer Science required.
  • 5+ years of experience in communication systems verification test
  • Experience in automated northbound interface testing: Netconf/YANG, CLI, SNMP.
  • Experience in testing Linux based embedded systems.
  • Experience in Python or other script language for automation test.
  • Experience in network protocols such as TCP/IP, Ethernet, OTN
  • Experience with DWDM optical systems, familiar with EDFA, WSS, OCM and OTDR
  • Familiarity with Transponder product, familiar with 100G, 400G, 800G L1 optical module desired
  • Familiarity in lab bench debugging tools oscilloscopes, optical spectrum analyzers

Skills
  • Programming languages: Python. Familiar with VS code environment.
  • The ability to work independently with guidance from supervisor on specific tasks.
  • Able to work and deliver on an aggressive schedule
  • Self-starter, highly motivated, dedicated and teamwork oriented
  • Good written and oral communication skills in English. Knowledge of Chinese is an asset

Working Conditions
  • May require 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 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.

About Coherent

Coherent, Inc. is a global leader in providing laser-based solutions to a broad range of commercial and scientific research customers. The company designs, manufactures, and markets lasers, laser-based systems, precision optics, and related accessories for a diverse group of customers. Coherent's markets include scientific research, OEM components and instrumentation, microelectronics, materials processing, and life sciences. The company's products are used in a wide range of applications. Coherent was founded in 1966 and is headquartered in Santa Clara, California.
Learn more about Coherent
Size
5,085 employees
Market Cap
$4.6 billion
Industry
Manufacturing & Automotive
Net Income
-$419.7 million
Founded
1966
5 Year Trend
+27.8%
Revenue
$1.2 billion
NASDAQ
COHR
* Ladders Estimates

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