Welcome to our Career Page!

We’re seeking an Electrical Engineer with strong embedded programming skills to design, build, and maintain hardware simulators and hardware-in-the-loop (HIL) testbeds used to validate real-world systems before they reach the lab, range, or field. You’ll work at the intersection of electronics, firmware, and test automation; creating simulation hardware, interface boards, and real-time control/monitoring software that makes system testing faster, safer, and more repeatable.   If you enjoy hands-on lab work, debugging across hardware + firmware boundaries,...

The Tactical Software and Autonomy Solutions (TSAS) team at i3 supports USSOCOM Headquarters in Tampa, FL in developing cutting-edge autonomy software architectures to distribute autonomous control across a diverse assortment of uncrewed air, ground, surface, and subsurface platforms. The team is seeking a Systems Engineering Subject Matter Expert in Uncrewed Systems (UxS) with 10+ years of professional experience to assist in managing the execution of cutting-edge UxS system development projects at i3 in support of various DoD customers.

We’re seeking a Hardware Simulator Engineer / Operator to support the operation, troubleshooting, and sustainment of hardware simulators and hardware-in-the-loop (HIL) testbeds in both laboratory and field environments. You will be hands-on with real equipment, setting up systems, running test scenarios, collecting and validating data, and ensuring simulator availability for customer demos, developmental testing, and field events.   This role is ideal for someone who enjoys practical engineering, disciplined execution, and fast-paced troubleshooting, from...

The Data Manager supports the Missile Defense Agency’s (MDA) Information Management and Software Services (AIMSS) program by overseeing the full lifecycle of test and mission data. This position requires strong technical project management skills to effectively plan, execute, and track data-centric projects from inception to completion. The Data Manager will coordinate the data flow between producers and consumers, ensuring adherence to mission-specific standards while managing schedules and mitigating risks to data integrity and timeliness. This role serves as a crucial bridge between test event operations and data consumers, applying project management discipline to the operational...

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

i3 is searching for a Systems Architect to support the Missile Defense Agency Information Management and Software Services (AIMSS) effort. The mission is to design and implement a Missile Defense System with multiple layers of protection. The Systems Architect devises, configures, implements, operates and maintains hardware, software and computer and network systems. Evaluates technology options to ensure the system meets the needs of the organization and develops strategies for scalability, risk management, compliance, and maintainability.  This position is located at Redstone Arsenal in Huntsville, AL.

i3 is proud to help our nation’s military personnel make the transition to civilian careers through the Department of Defense (DoD) SkillBridge program. These opportunities are specifically for transitioning service members to gain valuable civilian work experience through an individual internship during their last 6 months of service, for up to 180 days. Participants are not eligible for compensation as they continue to receive military compensation and benefits as active-duty service members.    

i3 is searching for an Azure Cloud Engineer to support the Missile Defense Agency Information Management and Software Services (AIMSS) effort. The mission is to design and implement a Missile Defense System with multiple layers of protection. The Azure Cloud Engineer performs administration of cloud and on-site technologies and provides end-to-end solutions for IT Systems, creates and configures virtual and physical machines in a multi-platform environment, monitors system performance and addresses any issues through an effective support process. This position is located at Redstone Arsenal in Huntsville, AL.

i3 is seeking a Senior Program Integrator (Counter Unmanned Aircraft Systems (C-UAS)) to support a critical Department of War (DoW) program focused on C-UAS. This position will play a key role in multi-functional coordination among functional area considerations including engineering, logistics, business, and contracts to support effective program management and ensure successful delivery of weapon system capabilities within a larger system-of-systems architecture. This dynamic position requires a strategic thinker with exceptional organizational skills, critical analysis abilities, and a proven track record of credibility and support.  This position is an onsite position in Huntsville, AL based on Redstone Arsenal.

i3 is seeking an enthusiastic and driven Human Resources Intern to join our team! This internship position will support our HR Operations, Recruiting, Training and Development, and Culture teams during the Summer 2026 duration.

i3 is searching for a Systems Administrator to support the Missile Defense Agency Information Management and Software Services (AIMSS) effort. The mission is to design and implement a Missile Defense System with multiple layers of protection. The Systems Administrator monitors system performance and addresses any issues through an effective support process. This position is located at Redstone Arsenal in Huntsville, AL.

i3 is searching for an Associate Cybersecurity Engineer who designs, implements, and maintains secure cyber systems to protect an organization’s information and assets from cyber threats. Conducts scans and remediations to meet governmental compliance regulations. This position is located at Redstone Arsenal in Huntsville, AL.

The Test Analyst/Engineer will focus on end-to-end testing of new and emerging technologies for the U.S. Army Portfolio Acquisition Executive – Fires, Integrated Fires Directorate (IFD/USG).  This is an onsite position in Huntsville, AL on Redstone Arsenal.

NASA Armstrong Flight Research Center (AFRC) Aircrew member performs duties in support of the operations of all aircraft assigned to applicable base location. Pilots will fly sorties for NASA and NASA customers to ensure that quality products and safe operations are provided as tasked. Aircraft are operated to meet Agency platform, research, and support aircraft requirements. AFRC aircraft are located at the main campus at Edwards Air Force Base, California. Deployed operations, both CONUS and OCONUS, are routine for these aircrew positions.  

i3 is seeking a Principal AI Engineer to lead the design, development, and deployment of AI-driven security and data solutions for defense and intelligence community customers. This role combines hands-on technical expertise with strategic leadership to advance i3's AI capabilities across cybersecurity threat detection, supply chain risk management, and mission-critical analytics platforms. This is a full-time position based in Huntsville, AL (with potential for hybrid flexibility).

i3 is seeking a Software Reverse Engineer (Electronic Warfare / Embedded & Binary Analysis) to support the Naval Research Laboratory’s Tactical Electronic Warfare Division. You will reverse engineer and analyze software used in electronic warfare (EW) and build purpose-driven tools that help teams test, characterize, and understand real-world systems. This role is ideal for someone who enjoys deep technical problem solving, from disassembly and debugging to building automation and instrumentation that turns analysis into action.   Pay Range $129,000 - 210,000 The pay...

i3 is seeking a VMware Systems Administrator. The selected candidate will provide technical expertise supporting information system components, infrastructure integration and maintenance to satisfy architectural and business requirements. The VMware Systems Administrator must have a customer centric approach and provide all levels of support for the user base community.

i3 is seeking a motivated and detail-oriented Data Management Intern to support critical initiatives in defense data handling and analysis. This role  offers hands-on experience in managing Department of Defense (DoD) test data, facilitating the ingestion of mission-critical information for weapon system analysts, digitizing a national archive of historical defense records, and contributing to the sustainment of the United States’ most elite missile defense systems.   As an intern, you will: -

i3 has an internship opportunity supporting the Agency Information Management and Software Services (AIMSS) effort, available for a student seeking a degree in Cybersecurity, Information Security, or a related field. The best candidates for this position possess a strong interest in cybersecurity principles, a proactive approach to problem-solving, and a desire to learn about security technologies. The Cybersecurity Intern will receive mentorship from experienced cybersecurity professionals while assisting with real-world security challenges.   This position is expected to last the duration of Summer 2026....

i3 is seeking an engineer with programming experience to support computer modeling and simulation support activities for guided and unguided rockets.   This is an on-site position and is located in Huntsville, AL.