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Red Cell Partners · 1 day ago

Principal RF Engineer

Torrance, CA

Full-time

Hybrid

Senior Level, Lead/Staff

$175K/yr - $225K/yr

7+ years exp

Red Cell Partners is an incubation firm focused on building technology-led companies in healthcare, cyber, and national security. They are seeking a Principal RF Engineer to lead the development and architecture of advanced antenna systems, leveraging expertise in RF engineering to drive innovation and guide multi-disciplinary teams.

FinanceFinancial ServicesVenture Capital

H1B Sponsor Likely

Responsibilities

Develop the technical roadmap for RF components and systems, aligning with the company's product vision

Architect system-level solutions for plasma-enhanced antenna technology, focusing on performance, scalability, and reliability

Lead research and development efforts for RFICs, high-power amplifiers, and advanced antenna systems

Perform advanced modeling and simulation to optimize system performance

Lead the design and integration of RF modules and subsystems

Troubleshoot complex RF systems and identify solutions to challenging technical problems

Mentor junior engineers, fostering technical growth and excellence within the team

Guide multi-disciplinary teams in the development of innovative RF solutions

Interface with stakeholders and customers to understand their needs and translate them into technical requirements

Collaborate with cross-functional teams to ensure seamless system integration

Identify new applications and use cases for core technology

Evaluate complementary technologies and acquisition opportunities

Manage intellectual property strategy and patent portfolio

Foster innovation culture and technical excellence

Lead systems engineering that integrates electrical engineering and applied plasma physics end-to-end—RF front-ends, plasma ignition/sustainment, controls, packaging, power, and environmental robustness

Architect modular designs enabling upgrades and software-defined antenna behaviors; drive manufacturability with contract partners

Lead technical development for the company’s primary and secondary products, from concept to prototype to qualification

Own rapid prototyping cycles: plan experiments, instrument tests, analyze results, and iterate. Build and run a lean lab environment that balances velocity with rigor

Address key challenges in plasma ignition & sustainment, thermal/power management, environmental robustness, and system reliability

Drive compliance pathways (e.g., FCC/ETSI, MIL-STD-461) and coordinate with test labs and government partners to qualify systems for operational use

Act as the senior technical interface to DoD/USG stakeholders and industry partners; communicate clearly and credibly with non-technical decision-makers

Qualification

RF engineeringAntenna designRF circuit designRF simulation toolsTechnical project leadershipInstrumentation experienceSoftware-defined radioElectromagnetic theoryDefense product requirementsStartup experienceMentorshipCollaborationCommunication skills

Required

Bachelor's degree in Electrical Engineering, Physics, or related field required

7+ years of experience in RF engineering, with a focus on antenna systems and RF circuit design

Deep understanding of RF principles, electromagnetic theory, and antenna design

Extensive experience with RF simulation and modeling tools

Proven ability to lead complex technical projects and guide multi-disciplinary teams

Experience with transitioning technology from research to commercial products

Understanding of defense, aerospace, or telecommunications product requirements

Hands-on experience with instrumentation (VNAs, spectrum analyzers, high-voltage power supplies), data capture, and model-to-measurement correlation

Comfort with ambiguity and experimental hardware; disciplined approach to documentation and test plans

Experience with software-defined radio interfaces and controls for adaptive RF systems

Preferred

Master's or Ph.D. strongly preferred

Familiarity with defense certification pathways (FCC/ETSI, MIL-STD-461) and scaling technologies across TRLs

Prior work on SBIR/STTR proposals or program execution

Active security clearance or eligibility

Experience with dual-use technology commercialization

Knowledge of Department of Defense go-to-market strategies

Familiarity with relevant industry standards and regulatory landscape

Startup or entrepreneurial experience

Previous experience with series A or earlier startups

Work history in national security, cyber security, or defense

Benefits

100% employer paid, comprehensive health care including medical, dental, and vision for you and your family.

Paid maternity and paternity for 14 weeks at employees' normal pay.

Unlimited PTO, with management approval.

Opportunities for professional development and continued learning.

Occasional travel to our offices in Washington D.C or alternative locations to collaborate with your team in person.

Optional 401K, FSA, and equity incentives available.

Mental health benefits are available through Tara Mind.

Company

Red Cell Partners

Red Cell Partners uniquely positioned at the creative intersection of investing and national security.

Founded in 2020

Washington, District of Columbia, USA

51-200 employees

https://www.redcellpartners.com

H1B Sponsorship

Red Cell Partners has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

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Trends of Total Sponsorships

2025 (1)

2023 (1)

2022 (1)

2021 (1)