Docsis RF Test Engineer

The role is a Senior RF DOCSIS Test Engineer Environment : CableLabs Certification Lab Position Overview We are seeking a highly skilled DOCSIS PHY Certification Engineer to support hands ‑ on certification testing within the CableLabs certification lab in Louisville, Colorado. This role is focused on executing and supporting DOCSIS physical layer (PHY) certification testing for cable modems and CPE devices in a true HFC cable environment. The ideal candidate will have strong, practical experience with DOCSIS RF testing, lab setup, troubleshooting certification failures, and documentation. This is a lab ‑ based role requiring daily interaction with test platforms, CMTS systems, and HFC plant simulators. Key Responsibilities DOCSIS Certification & Lab Operations Perform DOCSIS PHY layer certification testing on cable modems and CPE devices in accordance with CableLabs requirements Configure and manage certification test environments, including: CMTS platforms HFC plant simulators Devices under test (DUTs) Test Execution & Analysis Execute Acceptance Test Procedures (ATPs) using industry ‑ standard PHY test platforms Analyze test results and investigate certification failures across modem, CMTS, and simulated plant environments Perform root ‑ cause analysis of PHY ‑ level issues related to RF impairments, device behavior, or interoperability Test Platforms & Tools Operate and troubleshoot Averna Jupiter 310 and ePIDoX PHY test systems (experience preferred) Support operator ‑ specific or custom test engagements beyond standard certification flows Documentation & Reporting Prepare and maintain detailed certification reports and technical documentation Document lab configurations, test execution details, failure analysis, and corrective actions Collaborate with internal teams, vendors, and operators to communicate results and findings Required Qualifications (Must ‑ Have) Hands ‑ on experience with DOCSIS RF testing in cable/HFC environments Experience must be DOCSIS ‑ specific; general RF, wireless, or cellular backgrounds alone are not sufficient Strong understanding of DOCSIS PHY layer fundamentals and cable modem behavior Experience configuring and working with CMTS systems and HFC plant simulations Ability to work full ‑ time on ‑ site in a lab environment in the Denver metro area Preferred Qualifications (Nice ‑ to ‑ Have ) Experience with Averna Jupiter 310 and/or ePIDoX PHY test platforms Prior involvement with CableLabs certification programs Exposure to DOCSIS 3.0, 3.1, or DOCSIS 4.0 certification testing Experience supporting MSO ‑ specific certification or pre ‑ certification labs Work Location & Expectations On ‑ site presence required for the first 6 months (no exceptions) Candidates must be located in or willing to commute to the Denver/Louisville, CO area Limited remote flexibility may be considered after initial ramp ‑ up, based on lab needs and performance What We're Looking For This role is well ‑ suited for a candidate who: Is comfortable working hands ‑ on in a DOCSIS certification lab Understands the full cable RF ecosystem, from PHY behavior to HFC plant conditions Enjoys structured testing, repeatability, and detailed technical analysis Can clearly document test results and collaborate with engineering stakeholders GCS is acting as an Employment Business in relation to this vacancy. #J-18808-Ljbffr GCS Recruitment