Fault Injection Cybersecurity Jobs

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Penetration Tester - Hardware

Packetlabs Miami, FL 🇺🇸 Remote

Miami, FL

Today

$80k - $120k/yr Full time Cybersecurity Tools Embedded Firmware Embedded Iot Security

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Job Description

This remote Penetration Tester - Hardware role at Packetlabs focuses on leading security assessments of embedded and IoT devices, combining hands-on physical testing with rigorous analysis to produce credible, actionable results for clients.

Location

Florida (remote)

Salary

USD 80,000 - 120,000 per year

Role Summary

In this position, you will plan and execute end-to-end hardware penetration testing across embedded and IoT environments. Responsibilities include direct interaction with embedded hardware, firmware analysis, and examination of physical attack surfaces. You will collaborate with clients to deliver findings that improve overall security posture.

Key Responsibilities

Plan and execute end-to-end hardware penetration tests on embedded and IoT devices, aligned to a defined scope and rules of engagement
Identify, access, and exploit on-board debug interfaces such as JTAG, SWD, UART, and similar interfaces to gain code execution or memory access
Extract firmware via debug ports, in-circuit flash reads (SPI / I2C / NAND), or chip-off when required, then analyze for vulnerabilities
Intercept and analyze data on embedded buses including SPI, I2C, UART, CAN, and USB using logic analyzers and protocol decoders
Where in scope, perform side-channel analysis and fault injection such as power analysis and voltage or clock glitching to bypass secure boot, readout protection, or authentication
Reverse engineer firmware and embedded binaries using tools such as Ghidra, IDA, and Binwalk to identify logic flaws, hardcoded secrets, and exploitable conditions
Assess physical attack surface, tamper resistance, and key or secret storage
Differentiate theoretical concerns from operationally relevant risk to keep reports actionable
Produce high-quality technical reports and present results to both technical and non-technical client stakeholders
Advise clients on practical, prioritized remediation they can act on
Build and maintain lab tooling, test rigs, and internal methodology
Contribute to research, responsible disclosure, and internal knowledge-sharing
Stay current on hardware attack techniques, embedded architectures, and defensive controls
Help raise the standard of hardware security work across the firm

Required Education and Experience

Graduate of an Information Security, Computer Science, or Computer/Electrical Engineering degree program (or equivalent hands-on experience)
Strong electronics fundamentals, including the ability to read schematics and datasheets and reason about a board from them
Hands-on soldering capability, including SMD rework and basic chip removal
Demonstrated experience accessing debug interfaces (JTAG, SWD, UART) and extracting firmware from real devices
Comfort using core bench instruments including a logic analyzer, oscilloscope, and multimeter
Firmware reverse-engineering skills with scripting proficiency in Python, plus enough C to read embedded code
Familiarity with embedded architectures including ARM/Cortex-M, MIPS, AVR, and RISC-V, as well as RTOS and bare-metal concepts
Clear written and verbal communication

Technologies

JTAG, SWD, UART, SPI, I2C, NAND, CAN, USB
Logic analyzers, protocol decoders
Ghidra, IDA, Binwalk
Python, C
ARM/Cortex-M, MIPS, AVR, RISC-V
RTOS, bare-metal
KiCad, Altium
ChipWhisperer, SDR, BLE, Wi-Fi

Benefits

Immediate and ongoing offensive security training, mentorship, and professional development
Competitive compensation and growth opportunity
Paid education and professional development reimbursement to support continued learning, certifications, and technical growth
Flexible work environment
Paid volunteer day each year
Paid Birthday day off
Paid U.S. public holidays
Fully remote within Texas or Florida

Location Requirement

You must be located in Texas or Florida

Nice to Have

Side-channel or fault-injection experience (for example, ChipWhisperer)
RF and wireless work, including SDR, BLE, sub-GHz, or Wi-Fi
Knowledge of secure boot chains, TEEs, secure elements, and HSMs
PCB design familiarity (KiCad / Altium) for understanding target boards
Published CVEs, conference talks, CTF placements, or open-source tooling
Relevant certifications (for example, OSCP for breadth, or hardware-focused training)

What Success Looks Like

Clients gain a clear, accurate understanding of hardware risk with proven, reproducible impact
Findings are credible and actionable for both technical and leadership audiences
Engagements are delivered at a consistently high standard with strong client confidence
Scope and rules of engagement are managed well as engagements evolve, with risk surfaced early and clearly
Packetlabs' hardware testing methodology and lab capability continue to mature through your contribution
Clients trust Packetlabs as the partner that can break hardware before others do

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