Product Security Engineer

SDFM; Rock Hill (SC); On-site; USD 120,000 - 160,000; Full time

Job summary

Powerus is seeking a Product Security Engineer to design and implement security for autonomous aircraft, controllers, and their datalinks. You will lead threat modeling, perform penetration testing, and develop secure boot and cryptographic protections.

Strong background in embedded security and cryptography is required. Located in the United States with commuting distance to Rock Hill, SC, you will collaborate with hardware and software teams to deliver secure products for defense and critical

Qualifications

• Bachelor's degree in CS/CE or equivalent practical experience.
• Professional experience in embedded, product, or application security.
• Experience with applied cryptography, PKI, and secure boot.

Responsibilities

• Implement secure boot and signed firmware update across aircraft and controller electronics.
• Design key generation, provisioning, and storage for production and the field.
• Implement encryption and authentication of command, telemetry, and video links.
• Perform threat modeling and security review of hardware and software designs.
• Conduct penetration testing of Powerus products and track findings to closure.
• Prepare security documentation for customer and government evaluations.

Skills

C

Python

Threat modelling

Security testing

Education

Bachelor's degree in computer science or computer engineering

Tools

PKI

Secure boot

Embedded security

Job description

About Powerus

Powerus is building a next-generation American autonomous systems platform designed to move, protect, and sustain critical assets in high-consequence environments. The company combines advanced autonomy, manufacturing capability, operational expertise, and strategic acquisitions to support defense, national security, critical infrastructure, and commercial operations globally.

Mission

Our mission is to deliver resilient autonomous technologies that strengthen national security, improve operational safety, and expand the capabilities of organizations operating in complex environments.

Why Join Powerus

Powerus aircraft and controllers are fielded by defense customers who require that only authorized software runs on them and that command, telemetry, and video cannot be intercepted or spoofed.

This role defines and implements security in Powerus products: secure boot, firmware signing, key management, and datalink encryption, and supports the security evaluations customers require.

Position Overview

Powerus is seeking a Product Security Engineer to design and implement security for autonomous aircraft, controllers, and their datalinks.

Key Responsibilities

• Implement secure boot and signed firmware update across aircraft and controller electronics
• Design key generation, provisioning, and storage for production and the field
• Implement encryption and authentication of command, telemetry, and video links
• Perform threat modeling and security review of hardware and software designs
• Conduct penetration testing of Powerus products and track findings to closure
• Prepare security documentation for customer and government evaluations

Qualifications

• Must be located in the United States, within commuting distance of Rock Hill, SC
• Bachelor's degree in computer science, computer engineering, or a related discipline, or equivalent practical experience
• Professional experience in embedded, product, or application security
• Experience with applied cryptography, PKI, and secure boot
• Proficiency in C and Python
• Experience with threat modeling and security testing
• U.S. Person status required (U.S. citizen, lawful permanent resident, or protected individual under 8 U.S.C. 1324b(a)(3)); this role involves access to ITAR- and EAR-controlled technical data

Preferred Qualifications

• Experience with hardware security modules, TPMs, or secure elements
• Experience with FIPS 140-3 or NSA CNSA requirements
• Experience with wireless or radio link security
• Experience with defense product security requirements
• Active or prior U.S. security clearance

What We Look For

Candidates should have implemented a security control in a shipped product and be able to describe how it was tested.

Equal Opportunity Statement

Powerus is an equal opportunity employer committed to building a diverse and mission-driven workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by applicable law.