Daniel Michael Aloysius
London
Summary
Highly skilled Field Test Lead with 10 years of global experience managing cross-functional teams and validating mobile devices, chipsets, and network infrastructure on live commercial networks. Proven track record leading regional field operations across Europe, executing End-to-End (E2E) Field Validation, and managing Carrier Acceptance cycles across 4G, IMS, and 5G (SA/NSA). Expert in early-stage silicon debugging—including Samsung Exynos Reference Designs (ERD)—as well as validating progressive hardware iterations, and Non-Terrestrial Networks (NTN) for industry leaders including Apple, Google, and Samsung.
Overview
11
11
years of professional experience
4
4
years of post-secondary education
1
1
Certification
Work history
Field test lead
IOTAS
London, UK
2026.03 - Current
- European Field Team Leadership: Directly manage and coordinate distributed field engineering teams across Europe and lead local field testing operations in London to ensure high-quality execution of device and chipset validation.
- Samsung ERD & Chipset Validation: Lead early-stage testing on Samsung Exynos Reference Designs (ERD), validating physical layer metrics, stability, network performance, and functional test cases directly from the chipset level.
- Hardware Iteration & Device Lifecycle Testing: Oversee the end-to-end field validation lifecycle across progressive hardware versions of upcoming commercial devices, identifying regression issues between successive hardware and firmware baselines.
- Advanced Feature Testing: Drive field-testing strategies for cutting-edge technologies on live networks, including 5G (SA/NSA), VoNR, IMS architecture, and Non-Terrestrial Networks (NTN / Satellite-to-UE connectivity).
- Resource & Project Management: Balance resource allocation, track testing schedules, and manage the delivery of comprehensive test reports across multiple European carrier networks to meet stringent launch deadlines.
Pixel Field Engineering
Google (via Marquis Technologies)
London, UK
2024.11 - 2026.03
- Next-Gen Field Validation: Led field testing and live network validation for Non-Terrestrial Networks (NTN/Satellite)
- Field Protocol Debugging: Captured and analyzed live air-interface logs using QXDM, Shannon DM, and Wireshark to perform deep-dive Root Cause Analysis (RCA) on field drops, network attachments, and signaling failures.
- Challenging Environment Testing: Executed rigorous field test cases in dense urban environments, public infrastructure, underground transport networks, and Wi-Fi offloading zones to ensure seamless mobility and handover stability.
- RF Performance & KPI Optimization: Evaluated VoNR and 5G throughput and handover KPIs in mobile environments, identifying and documenting network-side vs. device-side anomalies.
- Interoperability Testing (IOT): Acted as the core technical field liaison to reproduce, capture, and resolve device-network interoperability issues identified by regional network carriers.
WW Field Engineering
Apple (via Tech Mahindra)
Milan, Italy
2022.11 - 2024.11
- Live Network Validation: Served as a dedicated on-site contractor executing comprehensive iOS/watchOS/iPadOS field test suites and assessing cellular modem stability on live international carrier networks
- Targeted Mobility & Drive Testing: Planned and executed high-priority drive testing and stationary test routes across challenging environments—including deep indoor structures, and dense urban areas—to evaluate handover performance and baseline stability.
- Protocol-Level Debugging & Log Isolation: Utilized Apple-internal diagnostic tools to capture raw baseband and network logs. performed Root cause analysis to isolate field drops, handovers, and throughput degradation.
- Cross-Functional Bug Triage: Partnered closely with Apple’s internal R&D teams by converting raw field data and log analyses into highly detailed, actionable bug reports (Radar), significantly accelerating the field-to-lab root cause analysis loop.
Senior Field Test Engineer
Marquis Technologies
Rome, Italy
2016.12 - 2022.11
- Multi-Chipset Field Validation: Executed field, mobility, and lab test plans across Europe, SE Asia, and APAC regions for major mobile chipset platforms including Qualcomm, Exynos, MediaTek, and Spreadtrum.
- 5G & MIMO Mobility Testing: Conducted extensive field testing for multi-frequency bands and MIMO capabilities.
- Field Tool Expert: Mastery over field-diagnostic logging setups (QXDM, QCAT, ELT, ShannonDM, Wireshark) to record throughput, latency, block error rates (BLER), and overall signal quality metrics.
- Field Team Supervision: Coordinated field-testing project logistics, allocating drive-test routes, scheduling resources, and managing daily task assignments for a team of field technicians.
- Reporting: Documented highly structured field defect logs and detailed test reports highlighting RF optimizations and network compliance outcomes.
Network Administrator
Ricoh Limited
Chennai, India
2015.11 - 2016.08
- Designed and maintained network infrastructure by configuring Cisco switches/routers to ensure optimal network availability.
- Conducted network monitoring and troubleshooting to resolve connectivity issues, minimising downtime and enhancing user experience.
Education
Bachelor of Engineering - Electronics and Communication Engineering
Kings Engineering College
Chennai 2011.01 - 2015.01
Skills
- Field Testing Methodologies: Live Network Validation, Drive Testing, Carrier Acceptance (GCF/PTCRB), Interoperability Testing (IOT), Channel Quality KPI tracking
- Protocols & Architecture: Deep-dive air interface and network logging analysis of 5G NR (FR1/FR2), 4G LTE, IMS (VoLTE/VoNR), SIP, RRC, RLC, MAC, NAS, and GTP
- Field Debugging & Diagnostic Tools: QXDM, QCAT, XCAL, Shannon DM, ELT, Wireshark (PCAP) and PCAP
- Next-Gen Field Technologies: NTN (Satellite-to-UE), Massive MIMO, Private Networks, and Small Cell deployments
- Core Competencies: Field Defect Triage, Root Cause Analysis (RCA), Test Plan Execution, Country/Carrier Compliance, Cross-functional Stakeholder Management
Certification
Telecommunications (4G/3G/2G) | 2016
Timeline
Field test lead
IOTAS
2026.03 - Current
Pixel Field Engineering
Google (via Marquis Technologies)
2024.11 - 2026.03
WW Field Engineering
Apple (via Tech Mahindra)
2022.11 - 2024.11
Senior Field Test Engineer
Marquis Technologies
2016.12 - 2022.11
Network Administrator
Ricoh Limited
2015.11 - 2016.08
Bachelor of Engineering - Electronics and Communication Engineering
Kings Engineering College
2011.01 - 2015.01