Harmonic Inc.
From Harmonic Inc.'s careers page
Status: listed on the employer's own careers page when we last checked (daily). Confirm on their site before applying.
Role Description We are looking for a Lab Support Engineer to lead the day-to-day operations of our Rennes R&D Lab.
Lab Support Lead
Harmonic is the worldwide leader in virtualized broadband solutions. We revolutionized broadband networking via the industry’s first virtualized broadband solution, enabling cable operators to more flexibly deploy gigabit internet service to consumers’ homes and mobile devices. Learn more at www.harmonicinc.com.
Role Description
You will report to the Director of System Integration & QA.
On-site – working 5 days a week from our offices in Rennes. No travel required.
Have ownership of the Rennes R&D Lab – HW setups, switches, routers and servers – and the network that connects them.
Lab operations
Equipment: unbox, asset tagging and inventory management; document every device.
Physical infrastructure: patching, PDU power connections, cooling and fire protection systems; install and cable switches, servers, RPDs, CMs and PON equipment.
Documentation and safety: keep Confluence, Visio and Jira current (topologies, port maps, VLAN/IP plans); verify setups match the topology; monitor the environment and control lab access.
Technical network engineering
Build, configure and validate lab setups according to defined topologies.
Troubleshooting: isolate connectivity and performance issues end to end (L1–L3) – errors, optics, LACP/STP, routing, multicast, PTP.
Config management and monitoring: templates, backups, upgrades and automation; Zabbix, telemetry and SNMP/syslog alerts.
Virtualization: VMware (ESXi/vCenter) and Linux/Windows VMs from templates.
Leadership
Lab priorities: planning R&D requests and capacity, track work in Jira, report to the Director of System Integration & QA.
Collaboration: technical contact in Rennes for the Israel lab team (in English), R&D teams, local IT and contractors.
Mentoring: onboard and train a team of 1–2 lab support employees, set work priorities and review setup quality.
5+ years of experience working in lab environments including strong hands-on expertise with networking technologies, including routers, switches, VLANs and routing protocols.
3+ years of experience managing technical labs, data centers, or large-scale infrastructure evnironments.
Cabling and optics: experience working with cables and transceivers; copper, RF, MM and SM fiber
Experience working with VMware, Linux CLI, Zabbix, Telemetry, Jira, Confluence
Fluent English
Professional French
Ownership mindset, ability to lead and mentor
DOCSIS/Remote PHY or PON knowledge; Python/Ansible/Git; CCNA/CCNP - advantage
Diversity, Equality, and Inclusion at Harmonic Inc
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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