Part Time Principal Antenna Design Engineer

RTX

. Provide technical leadership on the design, modeling, realization, and verification of advanced Low Observable antennas, conformal apertures, ultra-wideband phased arrays, and passive RF structures .

Posted 10/20/2026part-timeMcKinney • Texas • United StatesLead💰 $107,500 - $204,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in RF engineering with a focus on antenna design, modeling, and verification, utilizing advanced computational EM tools. Proven ability to lead technical teams, mentor engineers, and effectively communicate complex technical concepts to diverse stakeholders.

Highest-signal resume keywords

RF Engineering ExperienceAntenna Design and TestingRCS Modeling and MeasurementEM Modeling Tools ProficiencyTechnical Proposal Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Antenna DesignRCS MeasurementPhased Array DevelopmentEM ModelingTechnical LeadershipVerification and ValidationPrototype FabricationElectromagnetic AnalysisSignal ProcessingTechnical Documentation

Soft Skills

MentoringCollaborationCommunicationProblem-SolvingCustomer Relationship Management

Tools & Technologies

HFSSCSTFEKOSENTRiX-Patch

Certifications & Qualifications

U.S. Government-Issued Security ClearanceDoD Secret Security Clearance

Industry Keywords

Low Observable AntennasUltra-WidebandElectronic WarfareRadar SystemsGeolocation

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Provide technical leadership on the design, modeling, realization, and verification of advanced Low Observable antennas, conformal apertures, ultra-wideband phased arrays, and passive RF structures
Develop technical solutions for antenna and sensor applications including radar, electronic warfare, electronic attack, electronic support measures, communications, geolocation, and direction finding
Lead design teams through architecture trades and detailed electromagnetic analysis
Use full-wave computational EM tools to model antenna performance, RCS signatures, aperture interactions, and airframe-coupled electromagnetic effects
Develop and refine antenna and LO design concepts based on gain, VSWR, bandwidth, field of view, scan performance, polarization purity, structural constraints, and signature objectives
Guide antenna and RF performance verification and validation, including gain/pattern testing, polarization, insertion loss, and RCS measurement campaigns
Collaborate with systems engineering to define RF and RCS requirements, develop operational concepts, and support architecture-level trade studies
Translate system-level needs into antenna-level requirements, specifications, and verification plans with traceability
Work with Operations, Assembly, and Test personnel to fabricate prototypes, debug hardware, optimize builds, and support manufacturing and qualification
Mentor peers and early-career engineers in advanced EM modeling, LO techniques, prototyping, and range testing
Present technical findings to internal leadership, external customers, and program stakeholders
Contribute to technical proposals, concept generation, and competitive strategy for new business pursuits
Execute creative, innovative, and independent technical work on high-visibility programs
Establish relationships with internal and external customers and represent the organization in resolving difficult technical issues
Travel less than 10% annually

Requirements

What you’ll need

Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM)
Minimum of eight (8) years of relevant RF engineering experience
Experience with Radar Cross Section (RCS) modeling, prediction, measurement, or reduction
Experience designing, fabricating, and testing antennas, phased array apertures, or RF passive components
Experience with ultra-wideband phased array development, including TCDA, Vivaldi, Sliced-Notch, PUMA, or similar
Experience with EM modeling tools such as HFSS, CST, FEKO, SENTRi, X‑Patch, or related CEM software
U.S. citizenship required
Ability to obtain and maintain a U.S. government-issued security clearance
Active and existing DoD Secret security clearance required after day 1
Master’s or PhD in Electrical Engineering preferred
Experience presenting complex technical data to leadership, customers, and engineering review boards preferred
Experience preparing and leading technical proposal efforts preferred
Experience leading contract R&D or advanced development programs preferred
Familiarity with structural, thermal, materials, or coatings relevant to LO apertures preferred
Ability to mentor and guide multidisciplinary teams preferred
Less than 10% annual travel

Benefits

Comp & perks

Medical insurance
Dental insurance
Vision insurance
Life insurance
Short-term disability
Long-term disability
401(k) match
Flexible spending accounts
Flexible work schedules
Employee assistance program
Employee Scholar Program
Parental leave
Paid time off
Holidays
Annual short-term and/or long-term incentive compensation programs may be available
In-person interview steps may be required
Deep technical career growth supported by nationally recognized experts
Collaborative environment with multidisciplinary engineering excellence