RF Electrical Engineer

Critical Frequency Design is an aerospace and defense communications company specializing in opto-electronics for Next Generation Communication and Sensor systems. At Critical Frequency Design, we specialize in expediting solutions from concept to qualified product so that the warfighter can be provided with tomorrow’s solutions today. Critical Frequency Design’s Microwave Photonic, Free Space Optics and Open Systems products are being brought to the market by experienced business leaders and world- renowned scientists in a creative and agile environment. The company is a rapidly growing engineering business located on the Space Coast in Melbourne, FL.

Critical Frequency Design seeks an RF Design Electrical Engineer to join our team to lead highly complex RF/Microwave activities including research, design, development, and verification of RF system architecture and RF payload hardware to support Avionics and Space integrated communication systems. Design activities will involve the planning, design, development, testing, verification, and system operation of RF/Microwave electronic hardware.

Your responsibilities will include, but are not limited to:

  • Evaluate customer and program needs to define and coordinate RF performance requirements with internal stakeholders
  • Perform RF and high frequency/microwave detailed design, analysis, development and testing of hardware including schematic capture, PCB layout review, and BOM development
  • Develop technical documentation such as design requirements, development plans, design reports, test plans, etc.
  • Execute work above to meet or exceed the established engineering and company process and procedures as well as best design guidelines
  • Provide clear communication of design and development approach or plans to technical peers, leads, and management
  • Complete high-quality work while keeping budget and schedule constraints on track
  • Support technical trade studies to drive tactical and strategic decisions for program leadership
  • Support the generation of proposals and RF system requirements
  • Provide analysis and technical review support during gate reviews and both internal and customer design reviews
  • Provide technical and estimation support such as basis of estimate development to proposals as directed by management
  • Timely execute work per directions from project engineer or program manager
  • Work across disciplines to ensure adoption of qualifiable designs with scalable manufacturing processes
  • Identify development risks and mitigation strategies
  • Continuously research industry trends to support roadmaps utilizing the latest technologies to increase RF system and sub-assembly capabilities, and lower the cost, size, weight, and power
  • Execute work above with minimal supervision


The candidate must possess the below minimum qualifications to be initially considered for this position. Preferred qualifications are in addition to the minimum requirements and are considered a plus factor in identifying top candidates This position is for a full-time exempt employee and must be able to work regular business hours.

Education Requirements:

  • Bachelor’s degree in electrical engineering (or equivalent) and a minimum of 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience.

Minimum Qualifications:

  • Must be a US Person and eligible to obtain a US Security Clearance
  • Advanced knowledge of critical performance characteristics of passive and active RF components such as amplifiers, oscillators, attenuators, mixers, filters, etc.
  • Experience with design of RF components, including, power dividers, couplers, frequency converters, and power amplifiers
  • Great verbal and written communication, as well as strong analytical and problem-solving skills are essential for this position
  • Ability to work in a fast-paced work environment with multiple deadlines and priorities

Preferred Qualifications

  • Technical Background in Aerospace and Defense Avionics
  • Understanding of critical performance characteristics of passive and active RF components such as amplifiers, oscillators, attenuators, mixers, and filters, along with an understanding of how these characteristics relate to a communication system’s performance
  • Analytical design experience using software and simulation tools such as MATLAB, HFSS, and complex Excel spreadsheets
  • A solid understanding of noise figure/noise temperature (Eb/No, BER vs. noise, receiver sensitivity, and expected value and variance), temperature effects, interconnection (standard and non-standard impedances), and isolation requirements
  • Experience in developing RF hardware designs and capturing them using industry standard schematic capture tools
  • Experience in the lab testing hardware circuits using test equipment including oscilloscopes, spectrum analyzers, signal generators, power supplies, and multimeters

Equal Opportunity Statement

Critical Frequency Design LLC is committed to the principles of equal employment. We are committed to complying with all federal, state, and local laws providing equal employment opportunities, and all other employment laws and regulations. It is our intent to maintain a work environment that is free of harassment, discrimination, or retaliation because of age (40 and older), sex, sexual orientation (including transgender status, gender identity or expression), pregnancy (including childbirth, lactation, and related medical conditions), marital status, race, national origin (including ancestry), disability, creed, religion, genetic information, HIV status, military or veteran status, or any other status protected by federal, state, or local laws. The Company is dedicated to the fulfillment of this policy in regard to all aspects of employment, including but not limited to recruiting, hiring, placement, transfer, training, promotion, rates of pay, and other compensation, termination and all other terms conditions and privileges of employment.

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