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As a Test Engineer, you will design, develop, and operate test assets for hypersonic vehicles, collaborate with cross-functional teams, and improve testing processes.

Supports Hermeus’s business development and government partnership efforts by managing BD tools and pipelines, coordinating cross-functional stakeholders, preparing briefing materials, maintaining customer collateral, analyzing defense budgets and policy activity, supporting conferences, and managing subcontractor relationships. The role helps identify growth opportunities and maintain momentum with government and national security clients.

Own technical sourcing for engineering roles, including prospecting, candidate engagement, interviewing, talent mapping, pipeline management, and recruiting process improvement. Partner with recruiters and engineering leaders to define hiring needs, assess candidates, improve hiring outcomes, represent the employer brand, and deliver a strong candidate experience. The role requires independent execution and expertise in sourcing technical hardware engineering talent.

Designs, models, tests, integrates, and troubleshoots RF hardware and antenna systems for aircraft and ground stations. Responsibilities include defining architectures and requirements, developing RF and environmental test procedures, designing microwave circuits, validating system performance, analyzing data, supporting manufacturing integration, and presenting results. The role requires experience with L/S/C/Ku/Ka-band systems, RF test equipment, antenna simulation, airborne vehicles, regulatory filings, and test campaign travel.

Architects, develops, integrates, tests, and validates mission management software for aircraft and ground systems. Builds high-performance C++ command-and-control, telemetry, mission workflow, and subsystem coordination capabilities. Integrates autonomy, sensors, payloads, radios, networks, and third-party systems while addressing performance, reliability, fault tolerance, and distributed-system challenges. Leads architecture, design reviews, integration activities, simulation environments, and technical troubleshooting during ground and flight tests. Mentors engineers and establishes software development practices.

Develop and maintain real-time aircraft simulation environments for flight-control and avionics verification. Build SIL and HIL test systems, create MATLAB/Simulink models and generated code, integrate aircraft dynamics and hardware interfaces, improve simulation fidelity and performance, automate testing, and collaborate with GNC, avionics, embedded software, and systems teams to validate flight-critical systems.

Define RF system architectures, requirements, interfaces, and verification plans. Design, build, integrate, and test RF hardware for aircraft and ground systems, including antennas, radios, telemetry, navigation, and instrumentation. Conduct RF, environmental, and system-level testing; troubleshoot performance issues; analyze test and flight data; and support ground and flight test activities. Collaborate across avionics, GNC, software, manufacturing, quality, and operations teams while supporting regulatory and spectrum coordination.

Develop embedded C/C++ flight software and networking for aircraft-to-ground command and control, telemetry, RF communications, and vehicle data links. Design architectures and interfaces, integrate software with radios and avionics, troubleshoot hardware and network issues, and execute laboratory, simulation, hardware-in-the-loop, system-level, flight, and range testing. Collaborate across engineering teams while supporting safety-critical software, technical roadmaps, and communications system integration. Travel up to approximately 25% is required.

Lead FP&A activities including budgeting, forecasting, variance analysis, scenario planning, and financial modeling. Partner with executives, technical teams, and functional leaders on board reporting, investor materials, program costs, capital expenditures, resource planning, and strategic decisions. Improve FP&A systems, reporting automation, multi-year planning, and profitability tracking in a hardware-focused defense aviation environment.

Supports supersonic aircraft development through structural static and dynamic analysis, external load definition, finite element modeling, aeroelastic and flutter evaluation, vibration environment definition, and validation using testing and flight data. Collaborates with aerodynamics and structures teams on aircraft programs. This is a 12-week summer internship for enrolled STEM students with strong engineering fundamentals, communication skills, and a minimum 3.0 GPA.