Hardware Testing Cybersecurity Jobs

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Penetration Tester - Hardware

Packetlabs Texas/Florida 📍 Texas/Florida Remote

Texas/Florida

Today

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

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Job Description

Packetlabs is building out its hardware security practice and is hiring a Penetration Tester - Hardware for remote work across Texas/Florida. In this role, you will lead end-to-end security assessments for embedded and IoT devices, combining bench testing with firmware reverse engineering to surface vulnerabilities clients can fix.

What you’ll do

Plan and execute end-to-end hardware penetration tests on embedded and IoT devices within a defined scope and rules of engagement
Identify, access, and exploit on-board debug interfaces such as JTAG, SWD, UART, and similar paths to reach code execution or memory access
Extract firmware through debug ports, in-circuit flash reads (SPI/I2C/NAND), or chip-off when needed, then analyze for vulnerabilities
Intercept and analyze data on embedded buses including SPI, I2C, UART, CAN, and USB using logic analyzers and protocol decoders
When in scope, perform side-channel analysis and fault injection such as power analysis and voltage/clock glitching to bypass secure boot, readout protection, or authentication
Reverse engineer firmware and embedded binaries using tools like Ghidra, IDA, and Binwalk to uncover logic flaws, hardcoded secrets, and exploitable conditions
Assess physical attack surface, tamper resistance, and key or secret storage
Separate theoretical risk from operationally relevant findings to keep results actionable
Produce clear technical reports and present findings to client stakeholders, supporting both technical and non-technical audiences
Advise on practical, prioritized remediation clients can implement
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

Skills 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 boards
Hands-on soldering skills, including SMD rework and basic chip removal
Demonstrated experience accessing debug interfaces (JTAG, SWD, UART) and extracting firmware from real devices
Comfort with core bench instruments: logic analyzer, oscilloscope, and multimeter
Firmware reverse engineering with scripting in Python, plus enough C to understand embedded code
Familiarity with embedded architectures including ARM/Cortex-M, MIPS, AVR, and RISC-V, along with RTOS and bare-metal concepts
Clear written and verbal communication
Must be located in Texas or Florida

Tools and technologies

Debug and interfaces: JTAG, SWD, UART, SPI, I2C, NAND, CAN, USB
Bench instruments and analysis: logic analyzer, oscilloscope, multimeter, protocol decoders
Reverse engineering and scripting: Ghidra, IDA, Binwalk, Python, C
Embedded platforms and concepts: ARM/Cortex-M, MIPS, AVR, RISC-V, RTOS, bare-metal
Security and research tooling: ChipWhisperer, secure boot chains
Additional platforms noted: TEEs, secure elements, HSMs, SDR, BLE, Wi-Fi, KiCad, Altium
Certs and related areas: OSCP

Nice to have

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

Compensation and benefits

The salary range for this role is USD 80,000 - 120,000 per year (remote within Texas or Florida). Packetlabs also provides offensive security training, mentorship, and professional development reimbursement, along with a flexible work environment, a paid volunteer day, paid Birthday day off, and paid U.S. public holidays.

Additional expectations

No ego culture and a focus on continuous learning and humility
A customer-first mindset with responsive, professional communication
Work quality that demonstrates credibility and proven impact
Depth in validating findings, with appropriate restraint in sensitive OT environments
Adaptability to changing consulting environments and comfort tackling difficult technical obstacles
Self-motivation and ownership of outcomes
Location requirement: Texas or Florida

What success looks like

Clients receive a clear, accurate understanding of hardware risk backed by proven, reproducible impact
Findings are credible, actionable, and relevant for both technical and leadership audiences
Engagements are delivered to 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 their hardware before someone else does

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