Welcome to our Career Page!

i3 has an opportunity for a Program Finance Specialist to join our growing team at our Corporate Office in Huntsville, AL.

i3 is seeking a 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 of local...

i3 is seeking an experienced and proactive Windows System Administrator to join our high-performing IT team dedicated to operational excellence, continuous improvement, and secure infrastructure management. The ideal candidate will have a solid background in administering Windows Server and workstation environments, demonstrated experience with system performance optimization, and a strong understanding of security compliance frameworks such as RMF and DISA STIGs.   This role involves independently managing, monitoring, and supporting Windows-based systems, leading system...

i3 is seeking a Mid-Level Linux Systems Administrator to support an Army Contract. The Mid-Level Linux Systems Administrator will provide technical expertise supporting information system components, infrastructure integration and maintenance.   Candidates for this position must possess, at a minimum, the ability to obtain and maintain a United States SECRET level security clearance.

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, servers, networking, peripherals, and software.

i3 is seeking a cleared security professional with experience as both a Contractor Program Security Officer (CPSO) and as a company Facility Security Officer (FSO) responsible for executing National Industrial Security Program Operating Manual (NISPOM) procedures.  The candidate should have some experience with SCI oversight and be knowledgeable with Intelligence Directives, Department of Defense (DoD) security policies, and the NISPOM in the areas of Personnel Security, Information Security, Physical Security, and Industrial Security. The candidate will provide security administration for both an ICD-705 environment as well as for collateral spaces.  The position will...

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 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: -

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...

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