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I'm a solutions-oriented Wireless Verification Engineer with a strong background in collaborating with product development teams. I have hands-on experience with 4G/LTE PHY and OFDM air interface, and 802.11 Wi-Fi. I have contributed to Sprint/T-Mobile certification via STIC testing and supported Sprint and Verizon TAM teams on Android device testing and troubleshooting. Over a decade across many roles, I have worked across hardware and software verification, automation, data analysis, and lab setup. I thrive in fast-paced environments and excel at isolating hardware and environmental issues, setting up test environments, and delivering actionable test reports.…I'm a solutions-oriented Wireless Verification Engineer with a strong background in collaborating with product development teams. I have hands-on experience with 4G/LTE PHY and OFDM air interface, and 802.11 Wi-Fi. I have contributed to Sprint/T-Mobile certification via STIC testing and supported Sprint and Verizon TAM teams on Android device testing and troubleshooting. Over a decade across many roles, I have worked across hardware and software verification, automation, data analysis, and lab setup. I thrive in fast-paced environments and excel at isolating hardware and environmental issues, setting up test environments, and delivering actionable test reports.

Christopher de Grasse

QA Engineer, Full Stack Developer, Back-End Developer, +2

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I'm a solutions-oriented Wireless Verification Engineer with a strong background in collaborating with product development teams. I have hands-on experience with 4G/LTE PHY and OFDM air interface, and 802.11 Wi-Fi. I have contributed to Sprint/T-Mobile certification via STIC testing and supported Sprint and Verizon TAM teams on Android device testing and troubleshooting. Over a decade across many roles, I have worked across hardware and software verification, automation, data analysis, and lab setup. I thrive in fast-paced environments and excel at isolating hardware and environmental issues, setting up test environments, and delivering actionable test reports.…I'm a solutions-oriented Wireless Verification Engineer with a strong background in collaborating with product development teams. I have hands-on experience with 4G/LTE PHY and OFDM air interface, and 802.11 Wi-Fi. I have contributed to Sprint/T-Mobile certification via STIC testing and supported Sprint and Verizon TAM teams on Android device testing and troubleshooting. Over a decade across many roles, I have worked across hardware and software verification, automation, data analysis, and lab setup. I thrive in fast-paced environments and excel at isolating hardware and environmental issues, setting up test environments, and delivering actionable test reports.

Available to hire

I’m a solutions-oriented Wireless Verification Engineer with a strong background in collaborating with product development teams. I have hands-on experience with 4G/LTE PHY and OFDM air interface, and 802.11 Wi-Fi. I have contributed to Sprint/T-Mobile certification via STIC testing and supported Sprint and Verizon TAM teams on Android device testing and troubleshooting.

Over a decade across many roles, I have worked across hardware and software verification, automation, data analysis, and lab setup. I thrive in fast-paced environments and excel at isolating hardware and environmental issues, setting up test environments, and delivering actionable test reports.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

RF Field Engineer at Independent / Self-Employed

November 1, 2024 - Present

Implement network infrastructure upgrades, troubleshoot Bluetooth and BLE interoperability issues, perform RF site surveys and problem analysis on existing Wi‑Fi networks; isolate hardware and environmental issues; perform AP and wireless card upgrades as necessary.

Wi-Fi Data Analysis Engineer at Apple Computer Inc.

October 1, 2023 - October 1, 2024

Contract through LTTS; Implement Wi‑Fi 7 testing on latest iPhones being developed; collect logs; perform data analysis of SIP client failures of Wi‑Fi to LTE handoffs; Python-based log analysis tool development; setup and execution of RF test environments and RF data analysis.

Software Test and Analysis Specialist at Hewlett Packard Inc.

October 1, 2021 - November 30, 2022

Identify and resolve Wi‑Fi and Bluetooth interoperability along with other issues on HP consumer print devices; Bluetooth/Wi‑Fi compatibility testing; 802.11n/ac/ax testing; log analysis; Python automation scripts for manipulating third-party routers/APs; lab integration.

RF Validation Engineer at Meta (formerly Facebook)

July 1, 2021 - October 1, 2021

Automation testing of Android-based BLE features for wearables; adb-parameter control, device reflashing; cross-functional collaboration to certify features for a BLE sport watch.

QA Engineer at Dexcom

March 1, 2021 - July 6, 2021

Proprietary Android medical app testing; connectivity testing of BT glucose measurement devices; contributed to Dexcom G7 medical device development; regression and interoperability testing.

Android SQA Engineer at BioTelemetry R&D Center

August 1, 2018 - April 1, 2020

Set up 4G LTE Android devices in kiosk mode; debug Bluetooth logs between BLE heart sensor and Android phone; end-to-end functional testing; troubleshooting GTP tunneling; V&V and Jira ticketing; regulatory trainings.

RF Validation Engineer at Google Inc.

March 1, 2017 - December 1, 2017

Automation testing of IoT / Wi‑Fi consumer video monitoring products; resolve chipset issues via script debugging and packet capture; Python automation scripts for Wi‑Fi camera systems.

Software Validation Engineer at LG Electronics

May 1, 2011 - September 1, 2013

Field testing of 4G/LTE Android devices; Wi‑Fi interoperability testing; carrier-specific upgrades and OTA processes; Sprint STIC collaboration for device certification.

Modem System Test Specialist at Novatel Wireless

January 1, 2008 - March 1, 2011

Validate EVDO, LTE and VoLTE devices for major carriers; 802.11x Wi‑Fi validation for MiFi; log collection and test case execution; contributed to Sprint STIC lab entries and Kindle Taipan project.

Software Validation Engineer at Sony Corporation of America

January 1, 2005 - June 1, 2007

Ensure wireless interoperability for Sony devices; test in Cingular EDGE/GPRS and 802.x; perform wireless security testing (WEP, TKIP, AES, etc.); lab setup with Cisco ACS Radius and certificates.

Wireless Networking Specialist at Alvarion

January 1, 2000 - May 1, 2003

Pre- and post-sale technical support for 802.11 Wi‑Fi products; site surveys, link budget, antenna co-location; troubleshooting Radius, SNMP, CPE; training and reports.

Senior Technician at KORG USA Inc.

January 1, 1991 - January 1, 1999

Tier III technical support; training seminars; repair of pro audio consoles and instruments; production line support and field service.

Technical Staff Supervisor at KORG USA Inc.

January 1, 1989 - January 1, 1991

Supervise and mentor technical staff; training in US and Japan; coordination of engineering teams and field service.

Engineer II at Qualcomm

December 1, 2013 - September 1, 2014

Interoperability testing of Qualcomm chipsets with third-party devices; J-Tag, firmware loading; Bluetooth, ANT and BLE compatibility testing for Rome chipset.

Software Validation Engineer at LG Electronics

May 1, 2011 - September 1, 2013

Continue earlier LG roles; additional field and lab validation of wireless devices and carrier certification.

Beckton Dickinson & Co. (CareFusion) – SQE Engineer at Beckton Dickinson & Co. (CareFusion)

February 1, 2015 - August 1, 2016

Ensure compliance and interoperability between ETSI Wi‑Fi components and Cisco APs; test case reviews for infusion and syringe pumps per FDA standards; FDA-compliant testing.