Full-Time

Radio Frequency Design Engineer Senior Specialist

L3Harris Technologies

L3Harris Technologies

10,001+ employees

Defense technology solutions for national security

No salary listed

Plano, TX, USA

In Person

On-site in Plano, TX (75074); up to 10% travel; 9/80 schedule.

Category
Electrical Engineering (2)
,
Requirements
  • Active DoD Secret clearance
  • Bachelor’s Degree in Electrical Engineering and minimum 4 years of prior relevant experience or a Graduate Degree in Electrical Engineering and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related RF electrical engineering design experience.
  • 3 + years of experience with RF and 3D Electromagnetic (EM) Simulation and Modeling, Schematic Capture, Board Layout Computer-A aided Design tools
  • 4 years of demonstrable knowledge in practical RF system considerations such as path loss calculation, cascade noise figure, intercept point and power and corresponding tests for each
  • 4 years evidence of fluency with basic RF test equipment including Network Analyzers, Spectrum Analyzers, and Signal Generators
  • 4 + years of background with RF/Microwave circuit layout techniques with board level design experience in the RF or Microwave bands
  • 2 + years of experience with basic Radar performance concepts
Responsibilities
  • Take responsibility for electrical design tasks including requirements analysis, specification generation, interface definition, component selection, circuit simulation, schematic capture, and board layout
  • Provide technical responsibility for schedule, cost, at the board or subsystem level
  • Perform RF & Microwave (VHF through Ka) design synthesis at the board or subsystem level
  • Perform simulation, breadboarding, testing & troubleshooting of RF circuits, functions and subsystems
  • Develop test plans and procedures for RF subsystems
  • Participate in peer reviews, preliminary design reviews, critical design reviews and other required design reviews
  • Participate in interdisciplinary design teams and reviews
  • Learn and follow company processes for product development, configuration management, purchasing, etc.
  • Ability to obtain and maintain DoD security clearances as required
  • Physical Requirements: ability to lift up to 10 pounds
  • Up to 10% travel may be required
  • Other duties as required
Desired Qualifications
  • Master’s degree in Electrical Engineering or related field and/or equivalent experience desired
  • Proficiency in python scripting
  • Interest in leading a small technical team
  • Excellent people skills to include collaborating in a multi-disciplinary, diverse, and dynamic team environment
  • Excellent communication skills (written, verbal, & presentation)
  • Active RF component design
  • Radar Systems Design experience
  • Familiarity with other design and analysis software such as MatLab, AWR and CDS
  • Knowledge of practical RF system considerations such as path loss calculation, cascade noise figure and intercept point
L3Harris Technologies

L3Harris Technologies

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L3Harris Technologies provides defense and national-security technology solutions across space, air, land, sea, and cyber domains. It develops integrated systems with advanced communications, surveillance, and reconnaissance to support government agencies and defense contractors under long-term contracts. The product combines hardware, software, and services to deliver secure, interoperable, mission-critical capabilities. Its goal is to help clients strengthen operational readiness and national security through reliable, multi-domain technologies and sustained partnerships.

Company Size

10,001+

Company Stage

IPO

Headquarters

Melbourne, Florida

Founded

1895

Simplify Jobs

Simplify's Take

What believers are saying

  • Q1 2026 revenue hit $5.74 billion, beating estimates, with 15% organic growth and $40 billion backlog.
  • Secured $600 million classified space contract and $2.2 billion NATO special mission aircraft deal.
  • Missile solutions revenue surged 18% on Pentagon demand, backed by $1 billion DoD investment.

What critics are saying

  • Bernstein cuts price target to $405 on May 4, 2026, due to 2027 US defense budget uncertainty.
  • RTX and Northrop Grumman win mid-2026 Hypersonic Tracking Sensor program, costing $2 billion revenue.
  • Fixed-price NASA Artemis II contracts trigger cost overruns, eroding 16% operating margins in 2026.

What makes L3Harris Technologies unique

  • L3Harris integrates space, air, land, sea, and cyber domains for mission-critical defense solutions.
  • Company supplies over 1600 components per F-35 aircraft, including weapon release systems.
  • Co-developed AI-optimized satellite constellation with Xoople for precision Earth observation.

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Benefits

Health Insurance

Disability Insurance

401(k) Retirement Plan

401(k) Company Match

Paid Vacation

Paid Holidays

Mental Health Support

Relocation Assistance

Company News

Yahoo Finance
Apr 13th, 2026
L3Harris Technologies grows EPS 16% annually with $220M insider stake

L3Harris Technologies has demonstrated solid financial performance with earnings per share growing 16% annually over the past three years. The US$66 billion defence contractor reported revenue of US$22 billion, up 2.5%, whilst maintaining stable EBIT margins. Company insiders hold US$220 million worth of shares, representing 0.3% of the company. Whilst modest in percentage terms due to L3Harris's size, this stake provides alignment between management and shareholders. The company's combination of revenue growth, profit expansion and insider ownership distinguishes it from speculative, loss-making ventures. Its established track record of profitability offers investors lower risk compared to companies relying solely on growth narratives without financial substance. The article suggests L3Harris warrants consideration for investors seeking profitable, growing companies over high-risk ventures.

Yahoo Finance
Apr 9th, 2026
L3Harris up 71.8% in one year but trades at premium 42.1x P/E multiple above industry average

L3Harris Technologies has raised investor attention following recent share price movements, with the stock up 2.3% over the past week. The company has delivered strong longer-term returns, including a 71.8% one-year total shareholder return and 92.9% over three years. With revenue of $21.9 billion and net income of $1.6 billion, L3Harris is trading at $361.97. One valuation narrative suggests the stock is modestly undervalued at a fair value of $392.16, supported by expected US defence budget growth and the company's positioning in areas like missile warning and tracking. However, L3Harris' current price-to-earnings ratio of 42.1x sits above the US aerospace and defence industry average of 38.8x, suggesting potential valuation risk if market sentiment shifts.

The Associated Press
Apr 8th, 2026
Xoople and L3Harris unveil AI-optimised satellite constellation after seven years of development

Xoople, an AI data infrastructure company, and L3Harris Technologies have announced the co-development of a satellite constellation optimised for AI applications. The system, resulting from seven years of design and research, aims to deliver unprecedented precision in Earth observation data. The constellation features advanced optical and sensor design to maximise data quality, providing what Xoople calls "Earth's System of Record". The platform is designed to support AI systems shifting towards autonomous action, offering real-time monitoring with precision levels where even 1% error is unacceptable. Applications include supply chain optimisation, infrastructure management, risk underwriting, disaster response and security monitoring. CEO Fabrizio Pirondini said the system delivers the scale and precision required for AI-era decision-making across enterprises and governments.

Yahoo Finance
Apr 2nd, 2026
L3Harris powers NASA's Artemis II with over 100 mission elements, but fixed-price contracts may pressure margins

L3Harris Technologies supplied propulsion, avionics, thrusters and communications systems for NASA's Artemis II mission, the first crewed lunar journey in over 50 years. The company's involvement spans more than 100 mission elements, highlighting its capabilities in space hardware and systems integration for government programmes. Whilst the Artemis II role demonstrates L3Harris's technical breadth, analysts note it does not materially alter the near-term investment case. The company faces ongoing risks from fixed-price development contracts and potential US space budget constraints that could pressure margins. L3Harris's investment narrative projects $27 billion in revenue and $2.9 billion in earnings by 2029, requiring 7.3% annual revenue growth. Community analysts estimate fair value between $388 and $452 per share.

Yahoo Finance
Mar 23rd, 2026
Hegseth pushes $200B defence spending boost — Axon and L3Harris named top buys

US Defense Secretary Pete Hegseth plans to request $200 billion from Congress to fund operations against Iran, adding to the Pentagon's roughly $1 trillion budget for the current fiscal year. Two defence stocks well-positioned to benefit from this spending increase are Axon and L3Harris, according to Barchart. Axon, which provides law enforcement equipment including Tasers and AI-driven systems, reported 39% revenue growth to $797 million in Q4. The company's AI-powered tools are particularly relevant given recent suspected terrorist attacks in the US. L3Harris, a defence contractor selling missiles, satellites and communications products, saw 6% revenue growth to $5.6 billion last quarter, whilst cash from operations jumped 74% year-over-year. Analysts predict Axon's earnings per share will rise 13% this year and 115% in 2027.