Software Engineer - Mission Systems

Job Description

Hermeus is a high-speed aircraft manufacturer focused on the rapid design, build, and test of high-Mach and hypersonic aircraft for the national interest. Working directly with the Department of Defense, Hermeus delivers capabilities that will ensure that our nation, and our allies, maintain an asymmetric advantage over any and all potential adversaries.

The Mission Systems Engineering (MSE) Team develops the Mission Management System (MMS)—a software platform that integrates mission subsystems, autonomy services, operator interfaces, communications links, and telemetry for Hermeus aircraft. The MMS enables rapid incorporation of new capabilities from internal teams and third-party providers. As a Software Engineer on this team, you will design, implement, and test C++ software that extends this platform and interfaces with mission subsystems, autonomy solutions, and external services. Responsibilities:

Design, implement, and maintain C++ software components that extend and evolve the Mission Management System platform

Integrate third-party mission subsystems, autonomy solutions, and communications services by defining new interfaces, data models, and messaging pathways

Work with systems, avionics, and network engineers to establish interfaces, data schemas, and protocols across mission systems

Develop software requirements, architecture artifacts, and integration documentation as the system and platform mature

Implement mission workflows, operator interaction logic, and data transformation services supporting command, control, and telemetry

Participate in code reviews, integration builds, simulations, and system-level validation activities

Identify, diagnose, and resolve software and integration issues in distributed, hardware-connected environments

Contribute to simulation and hardware-in-the-loop environments for capability validationQualifications:

Bachelor’s degree in Computer Science, Computer Engineering, Software Engineering, or a related technical field

5+ years of professional C++ development experience delivering production-quality software

Proficiency with modern C++ (C++14/17/20), including concurrency, memory management, and performance-oriented programming

Experience with network programming concepts such as TCP, UDP, and multicast at the socket interface level

Experience integrating software with hardware systems or external services in environments with evolving requirements

Ability to define interfaces, protocols, and system boundaries where none exist

Strong communication and collaboration skills Preferred Skills and Experience:

10+ years of C++ development experience building complex, distributed, or real-time systems

Experience developing mission systems, operator-facing software, mission planning tools, or telemetry visualization systems

Experience with RF, SATCOM, LOS radios, or tactical datalink systems

Familiarity with publish/subscribe or messaging middleware (e.g., DDS, ZeroMQ, ActiveMQ, Kafka)

Understanding of avionics architectures, autonomy frameworks, or integration of third-party mission subsystems

Experience in regulated or safety-critical environments (e.g., DO-178C, ARINC standards, MIL-STD interfaces)

Strong debugging and test experience, including simulation or hardware-in-the-loop environments

Experience working in a startup or rapid development environment

The salary information provided is a general guideline only. Hermeus takes various factors into account, including, but not limited to, the position's scope and responsibilities, the candidate's professional background, education and training, essential skills, and market and business considerations, when presenting a job offer.

Salary is only one part of our total compensation and benefits package. Hermeus offers competitive salary and equity, unlimited PTO policy, paid parental leave, potential for year-end bonuses, and more!

100% employer-paid health care

401k & Retirement Plans

Unlimited PTO

Weekly Paid Office Lunches

End of Year Bonuses

Fully stocked breakrooms

Stock Options

Paid Parental Leave

U.S. EXPORT CONTROL COMPLIANCE STATUS

The person hired will have access to information and items subject to U.S. export controls, and therefore, must either be a “U.S. person” as defined by 22 C.F.R. § 120.62 or otherwise eligible for deemed export licensing. US persons include U.S. citizens, U.S. nationals, lawful permanent residents (green card holders), and asylees and refugees with such status granted, not pending.

EQUAL OPPORTUNITY

Hermeus is an Equal Opportunity Employer. Employment decisions at Hermeus are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Full-time