Senior C++ Engineer (PON)
Company: Harmonic Inc.
Role summary
Senior C++ Engineer (PON) is a full-time role at Harmonic Inc. in Bangalore, Karnataka, India (hybrid). Posted 2026-08-26. Experience level: 5-10.
- Job title
- Senior C++ Engineer (PON)
- Company
- Harmonic Inc.
- Location
- Bangalore, Karnataka, India
- Work arrangement
- hybrid
- Employment type
- full-time
- Category
- Software Engineering
- Experience level
- 5-10
- Date posted
- 2026-08-26
If you have a deep background in C++ and want to work on cutting-edge broadband technology, this role at Harmonic offers a fantastic chance to tackle high-performance networking challenges. You'll be joining a team that values technical mastery, providing a stable environment to build systems that power global connectivity.
Job description
Senior C++ Engineer (PON)
Harmonic is the worldwide leader in virtualized broadband solutions, shaping the next generation of multigigabit connectivity. We revolutionized broadband networking via the industry’s first virtualized broadband solution, enabling broadband operators to deploy gigabit internet service more flexibly to consumers’ homes and mobile devices.
Learn more at www.harmonicinc.com .
Role Description
We are looking for a Senior C++ Engineer to join our team
You will report to the Director of Core Software, Broadband business unit
You will be based in Bengaluru, India
Location
Hybrid work with at least 3 times a week from the office in Bengaluru.
What you will be doing:
The position involves C/C++ and/or python development of next-generation cable industry leading products, services and systems for Harmonic.
Successful candidates for this position have experience in the design, development and test of Passive Optical Network (PON) Optical Line Terminal (OLT) access solutions. Candidates will learn and build on experience using advanced C++ and python technologies, containerized solutions (Docker and k8s), Embedded Systems and various networking environments developed to operate within Linux servers using cutting-edge technologies and techniques.
As part of the role, you will be involved in the following areas:
C/C++ and/or python code development of OLT device programming, ONU management & control, and state-of-the-art system orchestration capabilities as part of our R&D team
Investigations and debug of complex issues both from Harmonic QA and Customer Networks
Plan, design, implement, and test within an agile development framework
What you should have:
B.Sc. in Computer Science / Software Engineering / Electrical Engineering
5+ years’ experience in Software Application development of one or more of the following: IEEE (xEPON), ITU-T (xGPON) PON, G.984.4/G.988 OMCI, DPoE®/IEEE 1904.1 SIEPON or related OAM
Practical knowledge of DPoE and/or TR-156/200
Experience with BBF CCO and OB-BAA, ONF CORD, SEBA, and vOLT-ha - advantage
Development within Linux Embedded environment
C/C++ Programming. Python – advantage
Experience in Networking, Multi-threading, OOD and Design patterns.
DOCSIS / DPDK knowledge – advantage
High level of interpersonal skills. Team player with ability to communicate effectively with different groups in English (written and verbal)
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.
#LI-Hybrid
#LI-AK1
Harmonic (NASDAQ: HLIT), the worldwide leader in virtualized broadband solutions, is transforming multi-gigabit connectivity. The company’s industry-leading cOS™ virtualized broadband platform, suite of solutions for fiber and DOCSIS, and a growing portfolio of AI-powered network intelligence solutions, enable broadband service providers to simplify operations, deliver exceptional subscriber experiences and expand revenue streams. With thousands of vCMTS servers and hundreds of thousands of RPDs deployed globally, Harmonic powers next-generation broadband services with five-nines reliability. Anchored with a customer-first approach and driven by a legacy of innovation, Harmonic supports broadband service providers at every stage of their network evolution. More information is available at www.harmonicinc.com.
Join the broadband revolution at Harmonic, where we're pioneering the future of multigigabit connectivity! As the worldwide leader in virtualized broadband solutions, we're transforming the way people live, work, and connect. Our groundbreaking technologies, including Unified DOCSIS 4.0, Remote OLT, and AI-Ops solutions, are empowering operators to deliver lightning-fast internet services to homes and businesses across the globe. With our industry-first virtualized broadband solution and cOS platform, we're simplifying operations, reducing costs, and pushing the boundaries of what's possible. We're proud to power next-gen broadband services for leading operators across North America, Europe, Latin America, and Asia.
At Harmonic, you'll be part of a dynamic team that's shaping the future of connectivity. You'll have the opportunity to work on cutting-edge projects, collaborate with top talent, and be part of a company that's making a real impact.
Join our mission to empower a more connected world and discover a career that's fast, innovative, and full of possibilities!