Sigma Defense is seeking an Electronic Warfare (EW) Systems Engineer to responsible for the end-to-end engineering, integration, and technical execution of advanced Electronic Warfare systems supporting U.S. Department of Defense customers. The position requires expertise in RF systems, systems engineering, signal processing, hardware integration, and system verification. The engineer will work closely with multidisciplinary teams to develop, prototype, test, and field next-generation EW capabilities for operational environments. Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Requirements 4-6 years of experience designing or integrating RF or Electronic Warfare systems. Experience supporting Department of Defense acquisition programs. Strong understanding of Systems Engineering processes. Experience developing technical documentation. Experience integrating complex hardware and software systems. Experience troubleshooting RF systems. Ability to work independently and within multidisciplinary engineering teams. Must be a U.S. citizen. RF Engineering Experience: RF system architecture RF distribution Amplifiers Antennas Filters Mixers Switch matrices Frequency converters Power dividers/combiners RF shielding Spectrum analysis Systems Engineering Experience: Requirements management Requirements verification Requirements traceability Risk management Configuration management Interface management Trade studies Functional decomposition Technical baseline management Electronic Warfare Knowledge: Electronic Attack (EA) Electronic Support (ES) Electronic Protection (EP) Threat emitter systems Radar systems Communications EW Signals Intelligence (SIGINT) Spectrum Operations Hardware Integration Experience: Software Defined Radios (SDRs) Embedded computers FPGA-based hardware High-power RF amplifiers AC/DC and DC/DC power systems GPS Timing systems Ethernet networks MIL-STD connectors Ruggedized enclosures Computer Programs/Software: Python MATLAB C/C++ LabVIEW (preferred) Linux Windows Git Microsoft Office Requirements management tools (e.g., IBM DOORS, Jama) Test & Evaluation Experience: Bench testing Integration testing Functional testing RF characterization Environmental testing Thermal testing EMI/EMC testing Field testing Customer demonstrations Factory Acceptance Testing (FAT) Site Acceptance Testing (SAT) Candidate Differentiators: Electronic Warfare Systems. RF Transmission. DoW Support Experience. Strong knowledge of industry standards. Personnel Clearance Level: Candidate must possess or have the ability to obtain an active TS/SCI security clearance or higher. Clearance may be sponsored for the right candidate. Education Requirements: Bachelor's degree from an accredited college or university in Electrical Engineering, Computer Engineering, Systems Engineering, Physics, or related field of study. Essential Job Duties (not all-inclusive): Lead the systems engineering lifecycle from concept development through production and fielding. Develop and maintain system requirements, interface control documents (ICDs), and verification plans. Perform requirements decomposition, allocation, and traceability. Develop system architectures, block diagrams, and technical baselines. Design and integrate RF, communications, electronic attack, electronic support, and electronic protection systems. Integrate SDRs, RF amplifiers, antennas, filters, switches, power systems, and embedded computing platforms. Support schematic development, PCB integration, and hardware packaging. Develop CONOPS and operational employment concepts. Participate in System Requirements Reviews (SRR), Preliminary Design Reviews (PDR), Critical Design Reviews (CDR), Test Readiness Reviews (TRR), and Production Readiness Reviews (PRR). Develop and execute verification and validation plans. Conduct laboratory integration and troubleshooting. Support environmental, EMI/EMC, thermal, and RF performance testing. Analyze RF performance including: Gain, noise figure, harmonics, spurious emissions, linearity, VSWR, and intermodulation. Develop production documentation including: Assembly instructions, wiring diagrams, manufacturing travelers, test procedures, and acceptance procedures. Coordinate with mechanical, electrical, software, and manufacturing engineers. Support customer demonstrations, technical interchange meetings, and field exercises. Participate in factory acceptance testing (FAT), site acceptance testing (SAT), and customer training. Identify technical risks and develop mitigation strategies. Support proposal development and technical volume writing. Salary Range : $120,000 - $130,000 annually. Benefits Dental and Vision Insurance Medical Insurance to Include HSA, FSA, and DFSA Plans Life and AD&D coverage Employee Assistance Program (EAP) 401(k) Plan with Company Matching Contributions 160 Hours of Paid Time Off (PTO) 12 (Floating) Holidays Educational Assistance Highly Competitive Salary