BAE Systems Antenna and RF Capability Group (Nashua, NH) is seeking a strong Principal RF/Microwave Engineer with considerable experience designing Microwave hardware modules in our Nashua, NH location. This position requires expertise designing wideband microwave modules, including receiver front ends, tuners, up/down converters, and/or switch matrices. Candidates are expected to support all phases of development from early-stage architecture reviews through production. The applicant must be able to work independently with minimal technical direction. Key responsibilities: • Serve as a principal RF developer on Capability Group programs • Design leading-edge hardware modules with a focus on small size, low noise, wide bandwidth and/or high linearity • Work with systems engineering functions in developing and managing systems level RF requirements, developing operational systems concepts, and assisting with system architecture trade studies. • Verify and validate aspects of system designs to ensure conformance with functional specifications and customer requirements. • Define the technical approach and details of antenna designs he/she is responsible for. • Assist with root cause and corrective action investigations • Participate in the generation of specifications, Test procedures, and other necessary drawings and documentation • Support proposal and report generation Required Skills and Education • Bachelor's degree in Engineering or Scientific field and 6+ years related experience or Master's Degree and 4+ years relevant design experience with specialization in RF, microwave, or millimeter-wave engineering • US citizen with the ability to obtain Secret clearance • Fluent with Keysight ADS (preferred) or equivalent software • Strong communication and writing skills • Experience designing tuner modules and/or frequency converters • Proficiency with 2D or 3D EM modeling Preferred Skills and Education • Understands and enjoys the challenges of a demanding "mission critical" environment • Dependable and highly motivated team player • Able to multitask effectively • Ability to work across company's technical and non-technical functional disciplines • Able to travel and provide technical support to subcontractors and customers • Enjoys learning new things and gaining new skills