Software Engineer with Security Clearance

i3 has an exciting opportunity for a Software 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. Pay Range $122,000 - $204,000 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, implement, and maintain C/C++ and Python software for radar and RF data acquisition, processing, analysis, automation, and test support.
• Develop and maintain embedded software for fielded systems and legacy codebases, including data ingestion, calibration, and visualization.
• Integrate software with laboratory and field instrumentation across Windows and Linux platforms (e.g., USB, TCP/IP, serial).
• Collaborate with systems engineers, test engineers, and program managers to translate requirements into testable software solutions.
• Produce technical documentation, test plans, and user guides, supporting lab, shipboard, and field test campaigns as needed.
• Adhere to security and programmatic requirements for handling classified information and controlled environments.

Qualifications Required

• Bachelor’s degree in Electrical Engineering, Computer Engineering, Physics, or a closely related technical field.
• 3+ years of professional engineering experience with strong core programming skills, a positive attitude, and receptivity to technical feedback.
• Strong proficiency in C/C++ software development for fielded systems and legacy codebase support.
• Proficiency in Python for scripting, data processing, analysis, and automation.
• Working experience in Linux and Windows development and test environments.
• Familiarity with radar and RF engineering concepts, measurement techniques, and terminology.

Desired

• Experience with embedded software development and real-time systems.
• Experience using GitLab for version control, CI/CD, and test automation.
• Experience with signal processing libraries (NumPy, SciPy), data visualization, and lab data formats (HDF5, binary).
• Prior experience on military programs, specifically U.S. Navy programs.
• Master’s degree in an engineering discipline.

• Active Secret clearance.

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. For candidates, that means a rare opportunity: the innovation and mission focus of an engineering services company paired with the hands-on impact of building and delivering real solutions that benefit the Warfighter, all inside an employee-owned company where your contributions directly shape both the mission and your ownership stake in the business