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I3 Systems Engineer Jobs (NOW HIRING)

Radar Systems Engineer

Washington, DC · On-site

$127K - $250K/yr

Overview i3 is seeking an experienced Radar Systems Engineer to design, develop, and optimize advanced radar systems for defense applications. The successful candidate will work on cutting-edge radar ...

UxS Software Systems Engineer

Huntsville, AL · On-site

$170K - $202K/yr

Overview The Tactical Software and Autonomy Solutions (TSAS) team at i3 supports USSOCOM ... The team is seeking a Software Systems Engineer with 5+ years of professional experience to assist ...

Overview The Tactical Software and Autonomy Solutions (TSAS) team at i3 supports DoD customers in ... The team is seeking a Systems Engineer with 5+ years of professional experience to embed with a ...

Overview i3 is seeking a candidates to support systems engineering and modeling activities for Department of Defense customers. This position is located in Huntsville, AL. The successful candidate ...

Overview i3 is seeking a Systems Engineer for development, integration, operational/technical support, and sustainment for the Technical Management Division (TMD) Product Office (PO). The ideal ...

Solution-Level Software System Engineer

Huntsville, AL · On-site

$170K - $202K/yr

About i3 i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic ...

Software Engineer

Washington, DC · On-site

$122K - $204K/yr

About i3 i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic ...

Senior Systems Security Engineer (SSE)

Huntsville, AL · On-site

$112K - $154K/yr

About i3 i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic ...

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I3 Systems Engineer information

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$53.5K

$127.2K

$167K

How much do i3 systems engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for i3 systems engineer in the United States is $127,215.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $157,000.00 per year, depending on experience, location, and employer.

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Infographic showing various I3 Systems Engineer job openings in the United States as of September 2026, with employment types broken down into 100% Full Time. Highlights an 80% In-person, and 20% Remote job distribution, with an average salary of $127,215 per year, or $61.2 per hour.

Radar Systems Engineer

Washington, DC • On-site

$127K - $250K/yr

Full-time

Medical, Retirement, PTO

Re-posted 10 days ago


Job description

Overview

i3 is seeking an experienced Radar Systems Engineer to design, develop, and optimize advanced radar systems for defense applications. The successful candidate will work on cutting-edge radar technologies, from initial concept through deployment, ensuring systems meet stringent performance, reliability, and performance requirements.

Pay Range $127,000 - $250,000

The pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, geographic location, and any applicable laws.

Responsibilities
  • Design and analyze radar systems including transmitters, receivers, signal processors, and antenna arrays
  • Support the development of system requirements and specifications for radar performance parameters
  • Provide technical guidance on radar system integration and optimization
  • Support the planning and execution of comprehensive testing protocols for radar system validation
  • Analyze test data and generate detailed performance reports
  • Troubleshoot system issues and implement corrective measures
Qualifications

Required:

  • BS or MS degree in electrical engineering, physics, or related field.
  • 10 years of experience
  • Proficiency in radar principles including waveform design, signal processing, and target detection
  • Strong background in RF/microwave engineering
  • Experience with simulation tools (MATLAB, Simulink)
  • Knowledge of digital signal processing and real-time embedded systems
  • Proficient with RF test equipment (e.g. spectrum analyzer)

Desired:

  • 20 years of experience
  • Experience with digital signal processing in radar applications
  • MATLAB application in simulation and data analysis
  • RF test and evaluation experience
  • Experience supporting anechoic chamber operations

Security Clearance:

  •  Active Top Secret/SCI clearance.
About i3

i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic warfare and electromagnetic effects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation. We have established a broad offering of products and capabilities collectively providing decades of experience supporting the full complement of DoD military services, Missile Defense Agency, National Aeronautics and Space Administration, and a variety of other Government organizations and private industry customers.

Perks of being a team member owner include:

  • Long-term financial security
  • Higher job satisfaction
  • Greater job security
  • Personal and professional growth
  • Great company culture

Other outstanding benefits:

  • Excellent insurance coverage
  • 401(k) match
  • Generous PTO
  • Health and wellness incentives
  • Tuition and certification reimbursement
  • Countless opportunities to give back to the community through i3 Cares

We work hard. We compete hard. We play hard. Apply now to join us!

Employment Type: FULL_TIME