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I3 Jobs (NOW HIRING)

i3

Senior RF Engineer

Washington, DC · On-site

$130K - $225K/yr

Overview i3 has an exciting opportunity for a RF Engineer to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is to protect the warfighter from emerging ...

i3

Program Manager

Huntsville, AL · On-site

Overview i3 Defense Technical Services (DTS) is seeking a Program Manager with an extensive DoD background to support a major contract effort for a program located on Redstone Arsenal, AL.

i3

Machinist

Washington, DC · On-site

$31.73 - $51.44/hr

Overview i3 has an exciting opportunity for a Machinist to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's purpose is to protect the warfighter from emerging ...

i3 Verticals

Account Executive

Nashville, TN · Remote

Interact with industry consultants to build relationships, educate, and enable them to consider i3 solutions when establishing required customer selection criteria. * Develop written proposals and ...

i3

Senior RF Engineer

Washington, DC

$130K - $225K/yr

Overview i3 has an exciting opportunity for a RF Engineer to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is to protect the warfighter from emerging ...

i3

Program Manager

Washington, DC · On-site

$146K - $239K/yr

Be an advocate within the team for maintaining the i3 culture and embodying i3 core values. * Formulate and enforce work standards, assign contractor schedules, review work discrepancies, supervise ...

i3

Shipping and Receiving Coordinator

Huntsville, AL · On-site

$16.75 - $21.25/hr

Overview i3 is hiring a Shipping and Receiving Coordinator to perform a variety of duties. This position will be located at an i3 Facility in Huntsville, AL. Responsibilities * Use discretion and ...

i3

Junior Lab Manager

Huntsville, AL · On-site

Overview i3 is seeking a candidate in support of the Air Ground Interoperability and Integration Lab (AGIIL) team.This individual will maintain the AGIIL capabilities to support rapid prototype ...

i3

Dedicated DoD365 Specialist

Huntsville, AL

Overview i3 is seeking a Dedicated DoD365 Specialist. The Dedicated DoD365 Specialist will serve as the organization's dedicated specialist for all DoD365 applications. Responsibilities * Serves as ...

i3

SharePoint Administrator/Developer

Huntsville, AL · On-site

Overview i3 is seeking a Microsoft SharePoint Administrator/Developer. The SharePoint Administrator/Developer will provide technical expertise supporting and administering SharePoint environment for ...

i3

RF Engineer

Washington, DC · On-site

$88K - $163K/yr

Overview i3 has an exciting opportunity for a RF Engineer to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is to protect the warfighter from emerging ...

i3

Senior RF Engineer

Washington, DC

$130K - $225K/yr

Overview i3 has an exciting opportunity for a RF Engineer to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is to protect the warfighter from emerging ...

i3

FEA Analysis Engineer

Huntsville, AL · On-site

Overview i3 is looking for a FEA Analysis Engineer to support our growing team in Huntsville, AL. Responsibilities * Performs finite element analysis for review, characterization, and validation of ...

i3

Senior RF Engineer

Washington, DC · On-site

$130K - $225K/yr

Overview i3 has an exciting opportunity for a RF Engineer to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is to protect the warfighter from emerging ...

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I3 information

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$35K

$86.1K

$145.5K

How much do i3 jobs pay per year?

As of Jul 5, 2026, the average yearly pay for i3 in the United States is $86,077.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,500.00 and $100,500.00 per year, depending on experience, location, and employer.

What are I3 positions?

I3 is not a standardized job title across most industries, but in some organizations, particularly in information technology or research, 'I3' may refer to a specific job grade or level within a company's internal job classification system. For example, in tech companies, I3 might denote an intermediate or mid-level individual contributor role. The specific responsibilities and expectations can vary significantly between companies, so it's important to refer to the organization's job framework or HR documentation for precise details about what an I3 position entails.

What is the difference between I3 vs Network Security Specialist?

AspectI3Network Security Specialist
Required CertificationsSecurity+, CISSP (preferred)Security+, CISSP, CEH
Work EnvironmentGovernment agencies, defense contractorsCorporate IT departments, cybersecurity firms
Industry UsagePrimarily government and defenseBroad industry application including finance, healthcare
Common Search/ComparisonYesYes

The I3 (Intelligence, Information, and Infrastructure) role often overlaps with Network Security Specialists in certifications and work environment, but I3 roles tend to focus more on intelligence analysis and infrastructure protection within government sectors. Network Security Specialists typically work across various industries to safeguard organizational networks. Both roles require similar certifications, but their primary focus and employer types differ.

What are some typical challenges someone in an I3 (Information Security Analyst III) position might face, and how can they effectively manage them?

Professionals in an I3 (Information Security Analyst III) role often encounter challenges such as balancing proactive threat detection with responding to real-time incidents and ensuring compliance with evolving security regulations. Managing these challenges involves staying current with the latest security technologies, collaborating closely with IT and compliance teams, and continuously refining incident response processes. Effective communication skills are also key, as you'll often need to explain complex security issues to non-technical stakeholders. Leveraging ongoing training and building strong relationships with cross-functional teams can help you excel in this dynamic environment.

What are the key skills and qualifications needed to thrive as an I3 engineer, and why are they important?

To thrive as an I3 engineer (Information, Integration, and Innovation), you typically need a strong background in computer science, data integration, and systems engineering, often supported by a relevant degree or certifications. Familiarity with data integration platforms, API management tools, and cloud computing systems is commonly required. Excellent problem-solving, communication, and collaboration skills are crucial to effectively manage complex projects and interact with cross-functional teams. These skills and qualifications enable I3 engineers to build robust, scalable solutions that drive organizational innovation and efficiency.
More about I3 jobs
What cities are hiring for I3 jobs? Cities with the most I3 job openings:
What are the most commonly searched types of I3 jobs? The most popular types of I3 jobs are:
What states have the most I3 jobs? States with the most job openings for I3 jobs include:
What job categories do people searching I3 jobs look for? The top searched job categories for I3 jobs are:
I3 jobs near you
Infographic showing various I3 job openings in the United States as of June 2026, with employment types broken down into 75% Full Time, 18% Part Time, and 7% Contract. Highlights an 76% Physical, 1% Hybrid, and 23% Remote job distribution, with an average salary of $86,077 per year, or $41.4 per hour.
Senior RF Engineer

Senior RF Engineer

i3

Washington, DC • On-site

$130K - $225K/yr

Full-time

Medical, Retirement, PTO

Posted 15 days ago

Job description

Overview

i3 has an exciting opportunity for a RF Engineer to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is to protect the warfighter from emerging threats by advancing electronic warfare (EW) through RDT&E of current and future technologies. The RF Engineer will design RF subsystems for threat simulators, as well as serve as a subject matter expert (SME) during the analysis of seekers.

Pay Range $130,000 - 225,000

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, model, and verify RF and mixed signal subsystem in seekers for threat simulators.
  • Support verification efforts for RF, analog, and digital hardware designs.
  • Deriving and trading requirements with subsystem engineers and component designers.
  • Perform analysis of emerging RF seeker threats and report findings to stakeholders.
Qualifications

Required:

  • BS or MS degree in electrical engineering, physics, or related field.
  • At least seven (7) years of experience.
  • Experience with RF subsystem design in radar systems.
  • Experience with radar waveforms such as Linear FM (LFM) chirps and BPSK.
  • Experience with RF antennas and beamforming networks.
  • Experience with digital signal processing in radar applications.
  • RF test and evaluation experience using industry-standard RF laboratory equipment.
  • Working knowledge of an EM simulation tool (HFSS, CST Studio, Sonnet, ADS, HSPICE, SI-Wave) and MATLAB.

Desired:

  • Reverse engineering experience of RF subsystems.
  • Experience with RF missile seekers; guidance, navigation, and control systems; target detection; and seeker decision logic.

Security Clearance:

  • Active SECRET clearance
  • Ability to maintain a TS/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

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