Senior/Principal Mission Software Engineer - Aircraft

Hermeus; Atlanta (GA); On-site; USD 128,000 - 157,000; Full time

Benefits offered by this job

Health & Wellness

Financial: stock options and 401(k)

Time Off: parental leave and holidays

Office Perks: lunches and breakrooms

Job summary

Hermeus is seeking a Senior/Principal Mission Software Engineer to architect, build, integrate, and validate the Mission Management System across aircraft and ground systems.

You will work across software, avionics, autonomy, networking, and flight-test teams to deliver scalable, fault-tolerant mission software in a hardware-connected environment. Strong C++ and leadership are essential.

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, or related field.
• 7+ years of professional software development for Senior level.
• 10+ years for Principal level or equivalent technical leadership.
• Advanced proficiency with modern C++, including C++17 or newer.
• Experience delivering complex, production-quality software systems.

Responsibilities

• Own major Mission Management System capabilities from architecture through integration, testing, and operational use.
• Design and develop high-performance C++ software for command and control, telemetry, mission workflows, and subsystem coordination.
• Define scalable architectures, interfaces, APIs, protocols, and message schemas.
• Integrate autonomy services, sensors, payloads, radios, tactical datalinks, and third-party systems.
• Make decisions on performance, reliability, latency, fault tolerance, and extensibility.
• Diagnose complex issues across distributed software, networks, embedded hardware, avionics, and communications.
• Partner with systems, avionics, autonomy, networking, flight-test, and operations teams.
• Build and improve simulation, SIL, HIL, and system-integration environments.
• Lead design reviews, code reviews, and integration activities.
• Identify technical risks and drive solutions in evolving requirements.
• Mentor engineers and establish strong software architecture and development practices.
• Support ground and flight-test campaigns, including real-time troubleshooting.

Skills

C++17+

Distributed systems

Real-time/embedded

Networking

Software architecture

Debugging across HW

Education

Bachelor's in CS/CE/EE/Software Eng

Tools

DDS

ZeroMQ

ActiveMQ

Kafka

Job description

Hermeus is seeking a Senior/Principal Mission Software Engineer to architect, build, integrate, and validate the Mission Management System across aircraft and ground systems.

You will work across software, avionics, autonomy, networking, and flight-test teams to deliver scalable, fault-tolerant mission software in a hardware-connected environment. Strong C++ and leadership are essential.