Walk Test Engineer | SAS Wireless | South East

SAS Wireless is actively seeking an experienced, high-caliber, and technical Walk Test Engineer with a minimum of 5 years of professional telecommunications experience to join our field engineering team on a fixed-term contract basis of 6 months. In this critical mobile network optimization role, you will be responsible for supporting the testing, monitoring, and analysis of Mobile Network Operator (MNO) networks across London and the South East, with occasional travel further afield as required.

You will leverage your deep specialist expertise in TEMS and NEMO walk testing equipment, RF signal propagation, and drive/walk test methodologies to deliver uncompromised network performance data. This opportunity offers competitive daily rates, flexible day and night shift schedules, executive technical visibility, and exceptional professional engagement within a premier wireless telecommunications services enterprise.

As a Walk Test Engineer supporting mobile network optimization across London and the South East with SAS Wireless, you will take full operational, tactical, and technical ownership of field data collection, RF testing, and equipment operation. Your day-to-day responsibilities include conducting walk and drive tests across MNO networks using TEMS and NEMO equipment, monitoring and analyzing RF signal quality, data throughput, and coverage metrics, carrying testing gear across diverse terrain under varied day and night shift hours, and maintaining rigorous testing logs.

You will utilize your proactive troubleshooting and physical endurance to ensure accurate data capture. Furthermore, you will manage application requirements via direct email to , ensuring strict compliance with UK work eligibility, a full UK driving licence, and essential TEMS & NEMO experience.

• Execute rigorous walk and drive testing protocols across Mobile Network Operator (MNO) cellular networks using industry-standard equipment.
• Operate, calibrate, and troubleshoot TEMS and NEMO walk testing tools, scanners, and data collection handsets.
• Monitor, record, and analyze RF signal parameters, call drop rates, data throughput, and coverage quality metrics.
• Travel across London and the South East (with occasional travel further afield) to execute scheduled field testing routes.
• Carry specialized telecommunications testing equipment and walk across diverse sites while maintaining physical fitness and safety standards.
• Work flexible hours across varied day and night shifts to accommodate network traffic patterns and operator testing windows.
• Collaborate cross-functional with RF optimization engineers, network planners, and project managers to report testing anomalies.
• Maintain meticulous field logs, equipment calibration records, and daily test completion dossiers.

• Bachelor’s degree in Telecommunications Engineering, Electrical Engineering, Information Technology, or a related technical discipline.
• Minimum of 5+ years of progressive professional experience within the telecommunications industry.
• Mandatory proven and practical experience and working knowledge of TEMS and NEMO walk testing equipment.
• Strong foundational understanding of mobile network technologies (2G, 3G, 4G LTE, 5G ) and RF propagation principles.
• Good computer skills with proficiency in data logging software and technical report generation.
• Physically fit and able to walk extended distances while carrying testing equipment.
• Full UK driving licence with a clean driving record.
• Excellent written and verbal English communication skills with strong attention to detail.
• Mandatory legal work eligibility in the UK and UK residency.

• Professional wireless…