Defense Systems Engineer - SDR Specialist

We are seeking a Defense Systems Engineer specialized in Software-Defined Radios to support the design, development, integration, verification, and deployment of advanced communications, electronic warfare, and mission-critical defense systems

Core functions:

· Define and manage system requirements for SDR-based defense communication systems.

· Develop system architectures, interface definitions, technical specifications, and verification plans.

· Support SDR system design, including RF front ends, waveforms, signal processing, embedded software, FPGA, and networking interfaces.

· Perform RF and communications analyses, including link budgets, modulation performance, interference, coexistence, and resilience in contested environments.

· Plan and execute integration, verification, validation, qualification, and field testing activities.

· Troubleshoot system-level issues across RF, software, firmware, hardware, and networking domains.

· Coordinate technical activities with hardware, software, FPGA, RF, cybersecurity, test, customer, and supplier teams.

· Support secure and mission-critical defense system development, including COMSEC, TRANSEC, anti-jam, interoperability, and qualification considerations.

· Prepare technical documentation, test reports, design reviews, and customer-facing engineering material.

Bachelor's or Master's degree in Telecommunications Engineering, Electrical Engineering, Aerospace Engineering, Computer Engineering, Physics, or a related technical field.

-+5 years of experience in defense systems engineering

Technical Requirements:

Training / specific knowledge required in:

· Experience in systems engineering for communications, RF, electronic warfare, radar, or defense systems.

· Practical knowledge of Software-Defined Radio architectures and platforms.

· Understanding of RF communications principles, modulation, coding, synchronization, filtering, spectrum management, and signal processing.

· Experience with requirements management, system architecture, interface definition, and verification planning.

· Familiarity with laboratory RF equipment such as spectrum analyzers, signal generators, vector network analyzers, oscilloscopes, power meters, and SDR test setups.

· Ability to troubleshoot complex multidisciplinary systems involving RF, digital signal processing, embedded software, FPGA, and networking components.

· Strong written and verbal communication skills.

· Ability to work in multidisciplinary teams and interface with customers or external partners.

Nice-to-have training / specific knowledge:

· Experience with tactical communications, military radios, datalinks, SATCOM, EW, SIGINT, ELINT, or radar systems.

· Experience with SDR platforms such as Ettus/USRP, Analog Devices, Xilinx RFSoC, LimeSDR, Red Pitaya, or defense-grade SDR hardware.

· Knowledge of GNU Radio, MATLAB/Simulink, Python, C/C++, VHDL/Verilog, or embedded Linux.

· Familiarity with waveform standards, military communication protocols, or NATO/STANAG-related systems.

· Experience with FPGA-based signal processing or RFSoC-based architectures.

· Knowledge of secure communications, encryption interfaces, key management, COMSEC/TRANSEC concepts, or classified system environments.

· Experience with model-based systems engineering tools such as Cameo, Capella, Enterprise Architect, DOORS, Jama, Polarion, or similar.

· Knowledge of defense qualification standards such as MIL-STD-810, MIL-STD-461, MIL-STD-464, MIL-STD-882, or equivalent.

· Experience in field trials, military exercises, or customer acceptance testing.

· Eligibility for security clearance, where applicable.

ARQUIMEA, we are a technology company operating globally and providing innovate solutions and products in highly demanding sectors.