Wireless · Security · Field-ready

Schofield Networks

Justin Schofield

Engineering reliable Wi-Fi for hospitals, campuses, and enterprise — from Ekahau surveys to predictive RF design and secure infrastructure.

justin@stryker:~$ ekahau survey --mode predictive

Try RF Lab View Work Get in Touch

About

Engineering connectivity
that holds up in the field.

01 — Profile

I am Justin Schofield, a Wireless Engineer at Stryker based in Salt Lake City, UT. My background spans cybersecurity and network engineering, with a current focus on wireless design, optimization, and infrastructure support.

02 — Stack

Ekahau site surveys, predictive RF modeling, and interactive tools like the RF Lab on this site. CWNA plus CompTIA Network+ through CASP+, M.S. Cybersecurity from WGU.

View credentials →

7+ Industry certs

2 Cybersecurity degrees

Try it live

Interactive RF Lab

Drag APs, draw walls, watch heatmaps respond in real time.

Launch RF Lab

802.11 / Wi-Fi 6
Ekahau site surveys
Predictive RF modeling
Wireshark
Healthcare Wi-Fi
Campus & education
WPA3 & segmentation
Python / PowerShell
NIST / HIPAA
CWNE track

Tools

Built for survey-grade work.

Ekahau

Primary tool for wireless site surveys, predictive design, coverage analysis, and post-deployment validation in healthcare and campus environments.

Wireshark

Protocol analysis, packet capture, and traffic troubleshooting — essential for roaming issues and interference investigations.

Cisco Packet Tracer

Network simulation, routing, and VLAN design for validating topology before deployment.

Nmap & Nessus

Network reconnaissance and vulnerability scanning from my security engineering background.

Burp Suite

Web application security testing — SQL injection, SSRF, and vulnerability assessment workflows.

SIEM / Kali Linux

Log analysis, threat detection, and penetration testing for secure wireless and network deployments.

Work

Projects & field notes.

Featured demo

Predictive Floor Plan Designer

Browser-based RF planner with scale calibration, wall materials, dual-band heatmaps, channel planning, and SNR analysis — the same engine behind the RF Lab.

Try inline lab →

Field work

Healthcare Site Surveys

One-day hospital assessments under pressure — spectrum analysis, heatmaps, and co-channel interference in critical care environments.

Read field notes →

Interactive

RF Lab

Predictive 2.4 / 5 GHz heatmaps with wall attenuation, channel planning, and live design scoring — try it in the browser.

Launch RF Lab →

Interactive Tool

Place APs. Watch coverage respond.

Predictive 2.4 / 5 GHz heatmaps with wall attenuation, channel planning, SNR, and capacity modeling — drag access points and see the signal change live.

0 APs — 2.4 GHz — 5 GHz — Score

Heatmap mode

Band view

Tool

Wall material

Room walls + new segments use this material.

AP power (dBm)

2.4 5

Clients per AP target

— Design health

Coverage pass: —
Co-channel conflicts: —
AP overlap: —

Place APs and draw walls — heatmaps update live as you move access points.

Experience

Work & education.

Wireless Engineer

Mar 2026 — Present

Stryker · Salt Lake City, UT

Support wireless network design, optimization, and troubleshooting across enterprise environments
Perform and analyze wireless site surveys using Ekahau to improve coverage and performance
Contribute to secure, scalable network infrastructure for healthcare and education deployments

Medical Device Security Specialist

Jul 2022 — Present

NarcBox · Salt Lake City, UT

DEA-compliant medical storage solutions — access control, compliance, and security
Hardware assembly, QA, electrical troubleshooting, and biometric integration
Contributed to $2.16M in annual revenue through high-volume secure device production

Sales Consultant

Feb 2023 — Feb 2025

Curated · Remote

E-commerce consultation and technical gear recommendations
Analytics and CRM-driven client retention

Gearhead (Sales & Customer Service)

Nov 2017 — Jun 2022

Backcountry · West Valley City, UT

Technical product advice across outdoor gear categories — 95% customer satisfaction
Product feedback to engineering teams; seasonal training and catalog optimization

M.S. Cybersecurity

2025

Western Governors University

Capstone: automated penetration testing with Docker, Kali toolkit, and AI-generated assessment reports
Secure network architecture, wireless vulnerability assessment, NIST RMF, ISO 27001, GDPR

B.S. Cybersecurity