Principal Radio Frequency Engineer (EWS111)

About the role

Research Innovations, Inc. (RII) is seeking a highly driven Principal RF Engineer to join our EW/SIGINT team supporting Defense and Intelligence Community missions. The ideal candidate will solve complex, mission-critical challenges and develop advanced RF collection capabilities that enable real-time situational awareness in dynamic operational environments.

Responsibilities

• Support Army DEVCOM Quick Reaction Capability (QRC) initiatives onsite at APG
• Design and optimize RF systems, including antenna selection, placement, and integration
• Perform link budget analysis and signal propagation modeling to ensure system performance across operational environments
• Develop and prototype solutions in both Systems Integration Laboratory (SIL) and field environments
• Translate emerging mission requirements into technical concepts and rapid implementation plans
• Design, develop, and document RF components, subassemblies, and system-level architectures
• Review engineering designs, drawings, and technical documentation; provide actionable recommendations
• Resolve engineering change requests from customers, manufacturers, and suppliers
• Conduct reliability analysis and safety engineering assessments for RF systems
• Collaborate across multidisciplinary teams to deliver mission-ready capabilities under tight timelines

Requirements

• 6+ years of hands-on experience designing, building, and testing RF signal collection systems
• 3+ years of experience in SIGINT or related fields (DoD, IC, or defense contractors)
• Strong understanding of RF fundamentals, including signal propagation, antenna theory, and link budget analysis
• Experience working in Agile environments, including use of tools such as Jira and Confluence
• Proficiency with Microsoft Office tools, including Project and Visio
• Demonstrated ability to build strong relationships with technical teams and mission stakeholders
• Prioritize delivering solutions in fast-paced, mission-driven environments

Qualifications

• Experience with modeling and simulation tools such as MATLAB or STKF
• Experience supporting rapid prototyping or Quick Reaction Capability (QRC) programs
• Prior work in field testing or deployed RF/SIGINT systems

Skills

• Strong problem-solving skills
• Excellent communication and collaboration abilities
• Ability to work independently and as part of a team
• Knowledge of RF standards and regulations

Benefits

At RII, we offer comprehensive benefits including:

• Flexible work schedules
• Health insurance coverage
• Paid time off
• 401k with a company match
• Paid parental leave
• Access to wellness programs
• Community game room, pantry, massage chair, and escape room
• Regular community events

Pay

Competitive salary commensurate with experience

Schedule

Full-time position with flexible work arrangements