What are the responsibilities and job description for the Call Box Engineer / Keysight Scripting Engineer position at Fusion Global Solutions?
Job Details
Role:- Call Box Engineer / Keysight Scripting Engineer
Location- Littleton, Colorado
Responsibilities
- Develop custom test scripts and solutions for 3GPP protocol 5G/4G using Callbox systems such as Keysight/R&S, etc
- Experience in device logs analysis tools such as QXDM, ELT etc
- Hands-on experience with Callbox systems such as UXM, CMX-500, Propsim, etc
- Integrate new TE (Keysight and Rhode& Schwarz) products and services (at the system/solutions level) into the lab environment
- Lead projects requiring coordination with other lab testers, SMEs, TE vendors, and third partie labs.
- Collaborate with cross-functional teams (Chipsets, Device OEMs, 3rd party labs, and 5G technical SMEs) to propose new test cases and develop 5G Protocol, Performance and Performance Scripts.
- Repurpose and re-configure lab instances to meet device certification testing requests and maintaining high utilization rates of the callbox systems
- Work with SMEs to learn new features and develop auomation test scripts using the callbox systems
- Manage lab test environment requests: initial review, requirement clarification, scheduling, and providing access.
- Prepare and maintain documentation/templates for lab test environment management and collaborate on automating configurations.
Technical Skills
- Should have experience in Call Box Testing, QXDM, ELT, GCF/PTCRB.
- UE testing experience & expertise Call box testing experience (Eg. R&S/Keysight etc)
Automation skills
- Must be able to analyse the failure logs and triage the issues
- Strong debugging & troubleshooting skills. Ability to debug and bifurcate an issue into a UE or TE side issue
- Knowledge of wireless/3GPP standards
- Basics of wireless/domain must be clear.
- Deep technical expertise in one or more of the following areas
- L2/L3 including MAC/RLC/PDCP/SDAP and control signaling (e.g. RRC/NAS)
- Carrier Aggregation and Dual-Connectivity in SA / NSA, and legacy LTE networks
- E2E Call Flows for Xn & N2, S8-HR, N9-HR, N14, N26 based Handovers
- E2E Call Flows including handover support across EPS, and 5GC
- E2E Call Flows VoNR and EPS Fallback Design
- E2E Call Flows for N3IWF / ATSS / ANDSP
- Proficiency with IMS/ SMS/ MMS/ Supplementary Calls/ VoWiFi
Qualifications
- Bachelors or Master's Degree in Telecom or Electrical/Computer/Electrical Engineering or equivalent
- Minimum of 2 years relevant experience in Test/Systems engineering (develop, deploy and debug test systems)
- Experience in 1 or more of the following: LabVIEW, TestStand, Matlab, Pathwave, ADS or HPV
- Experience in Test and Measurement instrumentation with PNA, Spectrum analyzers, VNA, Oscilloscopes
- Software programming experience in Python/C or similar development environment
- Exceptional interpersonal skills, strong time management, decision-making skills, and customer service orientation.
- Proficient in technical writing for lab test environment design, request templates, and documentation.
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