RF Engineer Intern with Security Clearance

About the Role

i3 has an exciting opportunity for an RF Engineering Intern to support the Naval Research Laboratory, Tactical Electronic Warfare Division. This internship is for the Summer 2027 time frame and will be an on-site internship.

Pay Range: $25-48/hour

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.

Key Responsibilities

• Assist with designing, developing, integrating, and testing RF subsystems in seekers for threat simulators.
• Support analysis of emerging RF seeker threats and help document findings for stakeholders.
• Collect and evaluate experimental data using laboratory RF test equipment under the guidance of senior engineers.
• Assist with modeling and simulation of RF components and basic circuitry.
• Other duties as assigned.

Requirements & Tech Stack

Required Education/Experience

• Currently enrolled in a BS or MS degree in electrical engineering, physics, or a related field. Candidate must be a current student at the time of the internship.
• Completed academic coursework covering electromagnetics, RF circuits, signals, or communications.
• Foundational experience with modeling and simulation of RF components through coursework or academic projects.
• Basic familiarity with RF front-end concepts such as antenna design.
• Hands-on laboratory experience with basic RF and electrical test equipment gained through university labs.
• Ability to obtain and maintain a Secret Security clearance. An Active Secret clearance is required prior to start.
• U.S. Citizenship is required.

Desired Education/Experience

• Coursework or exposure to digital signal processing in radar applications.
• Familiarity with RF test and evaluation using tools such as Keysight ADS and spectrum analyzers.
• Exposure to RF antennas and beamforming networks.
• Experience applying MATLAB to simulation and data analysis.
• Familiarity with matched filtering principles.
• Interest in or exposure to anechoic chamber operations.

Knowledge/Skills

• Knowledge of office administration and procedures.
• Exceptional judgment capabilities and relationship management skills.
• Excellent communication, teamwork, and client service skills; ability to clearly communicate in discussions and written documents, and to deliver feedback clearly and tactfully.
• Interact with a diverse array of customers and staff in a professional and courteous manner.
• Work with supervision and have accountability for accurate and complete results.
• Be extremely organized and exceptionally detail-oriented.
• Work well both independently and in a team environment.
• Be energized by a fast-paced work environment.
• Must be able to communicate with others effectively.
• Analyze information and respond appropriately.
• Manage time wisely and prioritize tasks.
• Provide superior customer service.
• Multi-task in a pleasant manner.
• Work well under pressure.

Physical Demands

• While performing the duties of this job, the employee is regularly required to talk or hear.
• The employee frequently is required to stand; walk; handle or feel; and reach with hands and arms.
• The employee is occasionally required to sit; climb or balance; and stoop, kneel, crouch or crawl.
• The employee must be able to lift and/or move up to 10 pounds and occasionally lift and/or move up to 25 pounds.
• Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception and ability to adjust focus.

About i3

Founded in 2007, Integration Innovation, Inc. (i3) is headquartered in Huntsville, AL, with additional offices in Orlando, FL, and the National Capital Region. We are a 100% team member-owned mid-tier integrator with over 800 employee-owners, and our culture speaks for itself: we've earned ten Best Places to Work™ awards, driven by strong employee engagement, transparent leadership, and a genuine commitment to communication. i3 team members operate at the leading edge of national defense across a broad range of technical disciplines, from systems and software engineering to modeling, simulation, and training solutions to cybersecurity, digital engineering, and enterprise IT. We also take products from prototype through production, bringing that same engineering rigor to manufacturing and delivering hardware at scale.