Sr. Software Integration Engineer

Broadband-R&D India


Description

Sr. Software Integration Engineer  

Harmonic is the worldwide leader in virtualized broadband solutions. We revolutionized broadband networking via the industry’s first virtualized broadband solution, enabling broadband operators to more flexibly deploy gigabit internet service to consumers’ homes and mobile devices. Learn more at www.harmonicinc.com.

Role Description:
 

We are seeking a Senior Engineer to join our team in the Broadband R&D organization in Bangalore, India.
This position is part of a strategic new team responsible for OLT-ONU interoperability, stability, and compliance.
You will serve as an integration engineer with responsibility for integration, testing and preferably SW development, combining deep PON expertise with hands-on, diagnose complex issues, implement fixes, and ensure seamless ONU integration across customer deployments.

Location:
Hybrid role – working at 3-4 days a week from our office in Bangalore.

What you will be doing:
 

  •  Execute and maintain the ONU IoP acceptance test suite used to qualify ONUs for customer deployments
  •  Diagnose and resolve complex interoperability issues between ONUs and Harmonic's vOLT through deep technical analysis of logs, traces, and source code
  •  Read, debug, and modify C++ and Python code to identify root causes and implement fixes for straightforward issues
  •  Analyze PON specifications (ITU-T G.984, G.987, G.9807, G.988) to assess compliance and guide resolution of protocol deviations
  •  Lead technical discussions with ONU vendors to isolate and resolve interoperability gaps, using captured traces and specification analysis
  •  Collaborate with R&D scrum teams on complex issues, providing detailed technical findings and reproduction scenarios
  •  Validate vendor fixes through regression and acceptance testing
  •  Use of automation tools for execution and debugging to improve test coverage and analysis efficiency

What you will need to succeed: 

  •  BE/B.Tech/M.E/M.Tech degree in CS/EC/IT or equivalent experience
  •  5+ years of hands-on experience in networking systems development, integration, or R&D
  •  Familiar with C++ and Python programming skills with the ability to read, debug, and modify production code
  •  Proficiency with Linux environments and network debugging tools (Wireshark, tcpdump)
  •  Solid knowledge of networking protocols (MT-2, Ethernet, VLAN, IPv4/6, DHCP, multicast)
  •  Experience with traffic generation tools (IXIA, Spirent, iPerf)
  •  Understanding of PON architecture, protocols, and specifications, including OLT/ONU interoperability, OMCI, and PLOAM messaging - advantage
  •  Basic familiarity with containerized environments (Docker, Kubernetes) – advantage
  •  Strong analytical and problem-solving skills with the ability to perform deep root-cause analysis
  •  Excellent collaboration and communication skills in English
 
Diversity, Equality, and Inclusion at Harmonic:

At Harmonic, we believe that building and nurturing a global team with diverse backgrounds and voices is critical to our success. Together, we achieve excellence through creativity and innovation, build relationships based on integrity and mutual respect, and deliver the highest quality in every aspect of our business for the benefit of our employees, business partners and shareholders.
 
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