Principal Software Security Engineer

Littleton

Friday, 08 May 2026

Systems Security Architecture Design and implement security architectures for integrated hardware/software systems Secure embedded systems, firmware, FPGA implementations, and hardware interfaces Develop security controls for satellite buses, payload systems, and ground segment infrastructure Conduct hardware security assessments including supply chain risk analysis and component-level security Cyber-Physical Security Establish security requirements for RF communications, telemetry, and command systems Implement cryptographic key management for space and ground systems Secure network infrastructure, including air-gapped and classified environments Design secure boot chains, trusted execution environments, and hardware root of trust implementations Technical Leadership Lead cross-functional security reviews involving hardware, firmware, and software teams Mentor engineers on systems security best practices across the full stack Drive security integration into Dev. Sec. Ops pipelines and hardware development Interface with government customers on security accreditation requirements (RMF, ICD 503, NIST 800-53) Compliance & Risk Management Ensure compliance with DFARS, CMMC, ITAR, and aerospace security standards Conduct threat modeling for hardware/software attack surfaces Perform security risk assessments for mission critical systems Support security certification and accreditation activities YOU’LL BRING THESE QUALIFICATIONS: Bachelor's degree in Computer Science, Information Security, or a related field 12 years of experience in Cybersecurity with focus on systems, embedded or infrastructure security Experience with hardware security principles (secure boot, TPM, HSM, side-channel attacks) Experience securing embedded Linux, RTOS, or bare-metal systems Demonstrated knowledge of cryptography implementation in resource-constrained environments Expertise in network security, including air-gapped architectures and secure enclaves Active Secret clearance, or ability to obtain and maintain one U.S. citizenship is required, due to program requirements THESE QUALIFICATIONS WOULD BE NICE TO HAVE: Master's degree in Computer Science, Information Security, or related field Active TS/ SCI clearance Experience with aerospace, defense, or space systems security Knowledge of satellite communication protocols and RF security Familiarity with DO-178 C, DO-254, or similar safety-critical development standards Hardware reverse engineering or penetration testing experience Certifications: CISSP, GIAC (GPEN, GXPN), CEH, or equivalent Experience with FPGA security or hardware design tools (Vivavo, Quartus) ADDITIONAL REQUIREMENTS: Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception, and the ability to focus Regularly required to sit, use hands and fingers, operate computer keyboard and controls, and communicate verbally and in writing Must be physically able to commute to buildings Occasional exposure to dust, fumes and moderate levels of noise The expected salary range for the position is displayed in accordance with the Colorado Equal Pay for Equal Work Act. Final agreed upon compensation is based upon individual qualifications and experience. Base salary is only one part of Rocket Lab’s compensation package for this role. You may be eligible for company stock, or cash incentives, and can purchase discounted stock through Rocket Lab’s Employee Stock Purchase Program. Employee benefits also include medical, dental, and vision insurance coverage; 401(k) retirement plan options; paid vacation, holidays, and sick leave; paid parental leave; and other discounts and perks. Base Pay Range (CO Only)$150,000 - $200,000 USD

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