Design Engineer III

Job Details: Job Location: Design 0nk54

• Naperville, IL, Salary Range: $120000.00 - $135000.00Salary/year, Job Shift: 1st, Lead Analog & RF Designer Location: Naperville Illinois Department: Engineering Position Summary We are seeking an experienced Lead Analog & RF Designer to support the development of advanced electronic systems for military, aerospace, industrial, medical, and high-reliability commercial applications. This role is responsible for leading the architecture, design, analysis, prototyping, and validation of complex analog and RF hardware designs from concept through production. The ideal candidate combines deep technical expertise in analog and RF circuit design with strong project leadership, customer interaction, and mentoring capabilities. This position directly supports the growth and technical development of less experienced engineers while driving successful execution of high-performance hardware programs.

Key Responsibilities

Lead the design and development of analog and RF circuits and subsystems for high-reliability electronic products. Architect and design: RF front ends LNAs, mixers, filters, PLLs, oscillators Power amplifiers High-speed analog signal chains Data converter interfaces Power management circuits Develop schematics, simulations, PCB layout guidance, and design documentation.

Perform RF system analysis including: Gain budgeting Noise analysis Impedance matching Stability analysis Signal integrity EMI/EMC mitigation Support multilayer PCB and RF material stack-up selection including Rogers, Duroid, PTFE, and mixed dielectric designs. Collaborate with firmware, mechanical, manufacturing, and systems engineering teams.

Lead prototype bring-up, debugging, tuning, and validation testing. Support environmental, qualification, and compliance testing for ruggedized products. Interface directly with customers to support technical reviews, requirements development, and design trade studies. Drive engineering best practices including DFM, DFA, reliability, and manufacturability improvements.

Mentor junior engineers and provide technical leadership across programs. Support transition from prototype to production including supplier and manufacturing engagement.

Qualifications

Required Qualifications Bachelor’s degree in Electrical Engineering or related discipline. 10+ years of experience in analog and RF electronic design. Strong background in: RF circuit design Analog electronics Mixed-signal systems High-speed PCB design Experience with RF frequencies ranging from MHz through multi-GHz applications.

Proficiency with RF simulation and design tools such as: ADS Microwave Office HFSS LTspice Altium Designer or equivalent Experience with laboratory equipment including: Spectrum analyzers Vector network analyzers Oscilloscopes Signal generators Strong understanding of PCB materials and controlled impedance design techniques.

Experience designing for harsh or regulated environments. Ability to lead technical teams and manage multiple development activities simultaneously. Excellent written and verbal communication skills.

Preferred Qualifications

Experience with aerospace, defense, or medical electronics development. Familiarity with hermetic packaging, LTCC, RF modules, or hybrid electronics. Experience with phased arrays, SDRs, radar, communications, or microwave systems. Experience with EMI/EMC compliance and mitigation techniques. Prior customer-facing technical leadership experience.

Due to ITAR and / or CUI compliance, this position requires candidates to be a U.S. Citizen.

Benefits

Comprehensive benefit package including medical, dental and vision coverage; company-paid basic life/AD&D insurance, short-term and long-term disability insurance; voluntary supplemental insurances, flexible spending accounts and employee assistance program (EAP). Sick Leave, Vacation Time, and company-paid Holidays are also provided as paid time off.

NEOTech also provides a 401(k) Retirement Savings Plan option with a company match. NEOTech is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran status, or any other characteristic protected by applicable federal, state, or local law.

NEOTech has a long-standing commitment to maintaining a safe, quality-oriented and productive work environment. We also want all employees to perform their duties safely and efficiently, in a manner that protects their interests and those of their co-workers. We recognize that alcohol and drug abuse pose a threat to the health and safety of NEOTech employees and to the security of the Company’s equipment and facilities.

For these reasons, NEOTech is committed to the elimination of drug and alcohol use and abuse in the workplace. Candidates being considered for hire must pass a pre-employment background check and drug test which include screening for illegal drugs and marijuana.