Welcome to our Career Page!

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 has an internship opportunity available for a student seeking a degree in the Information Technology (IT) field. The best candidates for this position have a professional and courteous demeanor as well as an eagerness to learn IT technologies used in corporate enterprises. The IT Intern will receive mentorship from experts in the IT field while working i3 corporate enterprise problems.   This position is expected to last the duration of Summer 2026. Flexibility is available to accommodate the student's class schedule. This position is located at the i3 Corporate Office in Huntsville, AL.

i3 is excited to offer a part-time Software Engineering Internship within our Science, Engineering, and Technology (SET) business unit. This is a unique opportunity to gain hands-on experience in developing cutting-edge autonomy and command and control (C2) software for uncrewed air, ground, and waterborne systems. Join our dynamic team where innovation meets real-world applications.   This internship will be for the Summer 2026 period and will be onsite in Huntsville, AL.  

i3 is seeking an experienced Radar Systems Engineer to design, develop, and optimize advanced radar systems for defense applications. The successful candidate will work on cutting-edge radar technologies, from initial concept through deployment, ensuring systems meet stringent performance, reliability, and performance requirements.   Pay Range $166,000 - 300,000 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,...

i3 has an exciting opportunity for a Software Reverse 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 $129,000 - 210,000 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...

As a Modeling and Simulation Software Developer with i3 you will perform a variety of software development tasks in the AFSIM modeling environments, including discrete event simulation, mission model operation, and post-processors of model data.   This role requires an active Top Secret security clearance with Sensitive Compartmented Information (SCI) eligibility due to the highly classified nature of system development and operations.  This role is 100% onsite at NASIC (National Air and Space Intelligence Center) located at Wright Patterson Air Force Base, near Dayton, Ohio. 

i3 has an exciting opportunity for a Digital Hardware 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 analysis and RDT&E of current and future technologies.   Pay Range $115,000 - 189,000 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...

The Model-Based Systems Engineer (MBSE) provides technical leadership and expertise in the application of Model-Based Systems Engineering methods to design, analyze, and optimize Department of Defense systems. This position leverages advanced MBSE tools, techniques, and frameworks to create digital representations of complex systems, enabling data-driven decision-making and enhancing system lifecycle management. As a subject matter expert, the MBSE Engineer collaborates with multidisciplinary teams to ensure system designs meet mission-critical requirements, integrate seamlessly with existing platforms, and comply with DoD standards and security protocols.   This role requires an active Top Secret security...

i3 has a Summer 2026 internship opportunity available for a student currently pursuing Data Analytics in school.   The best candidates for this position enjoy working with people and understand that data plays a pivotal role in enhancing business intelligence as it helps drive informed decision-making. In addition, they are not afraid to ask questions. The proper candidate will partner with key members of the i3 IT Team to uncover business requirements, build relationships of trust, and deliver exceptional value.  

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.

i3 is searching for a Palantir Software Developer to support the Missile Defense Agency Information Management and Software Services (AIMSS) effort. The Palantir Software Developer works with teams and customers to build and modify software by writing code, debugging and fixing errors and improving performance. Maintains technical documentation and creates release notes for new features. Provides recommendations for applications and enhancements. This position is located at Redstone Arsenal in Huntsville, AL.

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) Airworthiness with 10+ years of professional experience to assist in testing, approvals, and deployment of cutting-edge UxS system development projects at i3 in support of various DoD customers.

i3 is seeking a talented professional to join our team in Huntsville, AL in support of cloud-based DevSecOps programs and Missile Defense System implementations with multiple layers of protection.   We are seeking an innovative AI/UX Engineer who combines artificial intelligence expertise with user experience design capabilities. This unique hybrid role requires both technical engineering prowess in AI/ML systems and creative design skills to deliver intelligent, user-centered solutions for mission-critical...

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

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 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 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.