Welcome to our Career Page!

i3 is seeking a skilled and highly motivated Software Developer to join our team supporting Ground Test scenario design for the Missile Defense Agency. The Ground Test team plays a critical role in evaluating the performance of our nation’s defense systems through a variety of Hardware-in-the-Loop and simulation-based tests. As part of our software development team, you’ll collaborate with engineers and developers to design and maintain .NET Framework web applications that support the scenario design process. We value creativity, collaboration,...

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 will consider any active-duty member that is eligible for the DoD SkillBridge program; however, for immediate consideration, we are looking for Military members to fill the following role: -

i3 is searching for a Digital Solutions Architect to support a PEO Missiles and Space effort. The mission is to design and implement a digital architecture for multiple programs within the PEO. The Solutions Architect devises, configures, implements, operates and maintains digital architecture frameworks. The selected candidate will evaluate technology options to ensure the systems meet the needs of the organization and develop strategies for scalability, risk management, compliance, and maintainability. This position is located at Redstone Arsenal in Huntsville, AL.

Got the eye? Got the chops? Got the gumption?   i3 is looking for Graphic Designer to help craft clean UI, crisp 2D elements, on-brand motion graphics, and more for its Virtual Training, Simulation, and Gaming business.   As a Graphic Designer, you will be responsible for a variety of digital products based in the Unity game engine. You will work with highly skilled and motivated delivery teams made of...

Ensures that end-users have a smooth and efficient experience with technology tools by addressing technical issues and providing desktop support. Uses technical expertise, effective communication skills and a customer-focused mindset to assist team members via phone, email, online systems and in person. Supports PCs, networking, peripherals, and software.

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

i3 is seeking a Senior Level Web Developer with an interest in web applications, website design, and cloud architecture.  In this role, you will primarily be working on a product that enables virtual training.  As part of the core team, you will help develop critical capabilities for a cloud-based training distribution platform.  This is a hands-on technical role requiring expert-level technical skills to implement features, troubleshoot issues, and assist with defining and utilizing best practices.   This position is located at our Huntsville office with the option...

i3 is hiring a motivated, results-oriented Instructional Systems Designer (ISD) with a passion for training. The position will require the application of the Analyze, Design, Develop, Implement, and Evaluate (ADDIE) Instructional Model, to include the analysis and development of job tasks, learning objectives, and instructional tools and techniques for use in the creation of Interactive Multimedia Instruction (IMI). The ideal candidate will research, learn, and apply a commonsense approach to producing training with measurable performance outcomes.   

The Tactical Software and Autonomy Solutions (TSAS) team at i3 supports DoD customers 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 Program Management Analyst with 10+ years of professional experience to assist in managing the execution of cutting-edge uncrewed systems software development projects to support various DoD customers.

i3 is seeking a Mid-Level Web Developer with an interest in web applications, website design, and cloud architecture.  In this role, you will primarily be working on a product that enables virtual training.  As part of the core team, you will help develop critical capabilities for a cloud-based training distribution platform.   This position is located at our Huntsville office with the option of hybrid work.

i3 is seeking a Database Specialist / Software Developer to join a tight-knit team that maintains and grows a suite of web applications supporting our mission. Our stack today is built on .NET Framework, C#, Telerik, and SQL Server. We’re looking for an experienced developer who has both strong database skills and the ability to contribute to our web applications when needed.

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 Subject Matter Expert in Uncrewed Systems (UxS) Software Systems 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.

i3 is seeking a Software Engineer with 3-10 years of professional experience to develop cutting edge command and control (C2) and autonomy software for various uncrewed platforms including planes, boats, vehicles, and submersibles. This is a new project leveraging the latest .NET tools, best practices, and technology to support various DoD customers.

i3 is seeking a Data Scientist to support the Missile Defense Agency’s (MDA) Agency Information Management and Software Services (AIMSS) program. The AIMSS mission is to deliver accurate, timely, and secure test data products supporting missile defense analysis and decision-making.   The Data Scientist serves as a technical lead and subject matter expert in mission data workflows, bridging current data management practices with emerging analytics and automation capabilities. This role focuses on enhancing data quality, accessibility, and...

 The Data Manager supports the Missile Defense Agency’s Information Management and Software Services (AIMSS) program by executing and overseeing the full lifecycle of test and mission data across MDA systems. This role focuses on data flow coordination with test data producers, adherence to mission-specific standards, and the operational management of data ingestion, parsing, cataloging, distribution, and archival. The Data Manager ensures data products are delivered accurately, securely, and on time to support analysis and decision-making, serving as a bridge between test event operations and data consumers.

i3 is seeking an Entry-Level Test Engineer support the Terminal High Altitude Area Defense (THAAD) ground test team to perform the set up and execution of the THAAD Weapon System during test events. This role will require some knowledge of Missile Defense systems, Hardware-in-the-loop (HWIL) operations and test. The work will be performed at the Software, Simulation, Systems Engineering and Integration (S3I) Directorate on Redstone Arsenal.   Off-hour scheduling (2nd and 3rd shift) will...

i3 is seeking a Database Specialist / Software Developer to join a tight-knit team that maintains and grows a suite of web applications supporting our mission. Our stack today is built on .NET Framework, C#, Telerik, and SQL Server. We’re looking for an experienced developer who has both strong database skills and the ability to contribute to our web applications when needed.

i3 is seeking a motivated Agile Systems Engineer to support the development and fielding of advanced Launched Effects (LE) platforms. In this role, you will be an integral part of a dynamic team of engineers, working collaboratively to integrate essential technologies and ensure these systems meet the rigorous demands of the modern battlefield. This position will employ Agile methodologies to accelerate and promote rapid procurement, iteration, improvement and fielding of Launched Effects platforms.

i3 is seeking a detail-oriented and security-driven Cybersecurity Analyst and Data Transfer Officer to support our cybersecurity operations and data protection practices. This hybrid role bridges real-time threat monitoring with secure data handling — ideal for a candidate looking to grow in both cyber defense and compliance-driven environments.   You’ll be part of a team responsible for monitoring security alerts, investigating incidents, and ensuring data is transferred in accordance with government regulations. Your work will directly contribute to the...

i3 is seeking a Program Finance Analyst to join our growing team! We offer competitive salary & benefits, team-environment, and great company culture.