Quest Defense Systems &amp; Solutions, Inc.

Systems Integration & Test Engineer

AI Automation Candidate Experience Generative AI Jira +1 skills

Unlock the power of Safety and Mission Critical Engineering with QDSS. We are seeking exceptional individuals to join our elite team- where your expertise will make an impact that matters. Elevate your career in a…

New APAC, North AmericaSenior

Senior Systems Engineer - MBSE/Simulink

Unlock the power of Safety and Mission Critical Engineering with QDSS. We are seeking exceptional individuals to join our elite team- where your expertise will make an impact that matters. Elevate your career in a…

AI Automation Candidate Experience Generative AI MATLAB +1 skills

Systems Engineer - MBSE/Simulink

New North AmericaSenior

AI Automation Candidate Experience Generative AI MATLAB +1 skills

Unlock the power of Safety and Mission Critical Engineering with QDSS. We are seeking exceptional individuals to join our elite team- where your expertise will make an impact that matters. Elevate your career in a…

Secure Embedded Software Engineer

AI Automation Candidate Experience CI/CD C++ +12 skills

Unlock the power of Safety and Mission Critical Engineering with QDSS. We are seeking exceptional individuals to join our elite team- where your expertise will make an impact that matters. Elevate your career in a…

Platform Systems Engineer

AI Automation Candidate Experience Embedded Systems FPGA +3 skills

Unlock the power of Safety and Mission Critical Engineering with QDSS. We are seeking exceptional individuals to join our elite team- where your expertise will make an impact that matters. Elevate your career in a…

Senior High-Speed Digital Hardware Engineer

New North AmericaSenior

AI Altium Automation Candidate Experience Ethernet +6 skills

Unlock the power of Safety and Mission Critical Engineering with QDSS. We are seeking exceptional individuals to join our elite team- where your expertise will make an impact that matters. Elevate your career in a…

FPGA/Firmware Engineer

AI Automation Candidate Experience Firmware FPGA +7 skills

Unlock the power of Safety and Mission Critical Engineering with QDSS. We are seeking exceptional individuals to join our elite team- where your expertise will make an impact that matters. Elevate your career in a…

Open 51d North AmericaContract

Software Maintenance and Support

AI Automation Bash Candidate Experience Corrective Action +6 skills

Engineers are the reason we exist—they’re the core of who we are. We don’t just build technology; we engineer the future. From next-gen aerospace to cutting-edge defense systems, our teams power the solutions that…

Open 54d On-siteNorth AmericaFull-timeSenior

Senior Mechanical Design Engineer

AI Ansys Automation Candidate Experience Generative AI

We don’t just build technology—we engineer the future. From next-gen aerospace to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the limits of…

Open 92d HybridNorth America

Embedded Software Engineer - Real-Time Systems

Assembly Automation Candidate Experience C++ Embedded Software +5 skills

Embedded Software Engineer developing low-level C/C++/assembly software for multicore avionics/defense systems, focusing on deterministic real-time execution, DO-178C certification, and WCET/DCCC analysis.

100K – 140K $

Embedded Software Engineer

Open 95d North America

Candidate Experience C++ Embedded Software Embedded Systems Linux +6 skills

Develops and maintains mission-critical embedded software for defense communications products using C++, Python, and Linux, requiring U.S. citizenship and an active Secret clearance.

140K – 165K $

Open 114d RemoteNorth America

Software Verification Engineer

AI Authentication Automation Candidate Experience Embedded Systems +4 skills

Verifies and validates safety-critical embedded software on RTOS-based multicore SoC architectures for aerospace and defense programs, ensuring DO-178C compliance through HW/SW integration, system test, and HLR/LLR verification. Remote role (strong preference for Endicott, NY) requiring C, Python, and RTOS experience; U.S. citizens only.

100K – 140K $

Senior Systems Engineer – TCAS/ACAS & Surveillance Avionics

North AmericaSenior

Senior systems engineer leading TCAS/ACAS and airborne surveillance avionics programs from requirements and architecture through integration, verification, FAA certification, and flight test. On-site in Phoenix (3+ days/week); works with IBM DOORS/DNG, ARINC 429/AFDX interfaces, RF systems, and embedded C/C++; U.S. Person required.

Candidate Experience C++

127K – 167K $

Senior Hardware Engineer / Technical Lead – RF & Avionics

North AmericaLead

Candidate Experience Corrective Action FPGA Root Cause Analysis

Senior hardware engineer / technical lead in Phoenix, AZ (on-site 3+ days/week) who leads RF, digital/mixed-signal, and FPGA hardware for TCAS, transponder, and airborne surveillance systems — from requirements and architecture through verification, DO-254/DO-160/TSO/FAA certification, and production transition. Requires U.S. Person status and 5–15 years of hardware engineering experience.

129K – 169K $

Senior Embedded Software Engineer – TCAS / Surveillance Avionics

North AmericaSenior

Candidate Experience C++ Embedded Software Embedded Systems Firmware +5 skills

Senior embedded software engineer developing, integrating, and verifying safety-critical TCAS/ACAS and airborne surveillance software in C/C++ on real-time/RTOS platforms. Day-to-day spans requirements, testing, debugging, DO-178B/C lifecycle documentation, and FAA certification support at a Phoenix, AZ defense avionics company.

127K – 167K $

Senior Embedded Software Engineer – RFIO / RF Systems Integration

North AmericaSenior

Automation Candidate Experience C++ Embedded Software Firmware +5 skills

Develops and maintains embedded C/C++ and Python software that controls, calibrates, and characterizes RF transmit/receive hardware, integrating it with FPGA/firmware and performing hands-on lab testing for mission-critical aerospace and defense systems. On-site in Phoenix, AZ (3+ days/week); U.S. Person required.

127K – 167K $

Open 116d On-siteNorth America

Mechanical Design Engineer-Externals (Secret Clearance)

AI Automation Candidate Experience Generative AI

Designs aircraft engine external components like tubes, ducts, and brackets in Cincinnati, OH, ensuring reliability and safety for aerospace and defense systems.

78K – 88K $

Open 109d RemoteNorth AmericaContractC-level

Chief Software Engineer

Candidate Experience C++ Design Patterns Embedded Software RTOS +1 skills

Leads architecture and technical strategy for safety-critical aerospace/defense software under DO-178C, guiding teams and customers while ensuring certification compliance in a services-based model.

160K – 190K $

Open 92d HybridNorth America

Embedded Software Engineer - Multicore Platforms and Avionics Networking

Assembly Automation Candidate Experience C++ Embedded Linux +11 skills

Develops low-level embedded software and hardware integration for mission-critical avionics systems, focusing on real-time communication and safety-critical environments.

100K – 140K $