Welcome to our Career Page!

i3 is seeking an Avionics Systems Engineer to support a rapidly evolving, low-cost, novel system. You will be responsible for designing, developing, testing and integrating advanced avionics solutions for sUAS platforms. The position involves collaborating with a small, diverse team of engineering professionals to ensure project goals and timelines are achieved. This position is in Huntsville, Alabama, and the candidate can expect up to 10% travel.   This position is contingent upon contract award, with an estimated timeframe of December 2025.

i3 is seeking a Test Engineer to support a rapidly evolving, low-cost, novel system located in Huntsville, Alabama. You will be responsible for the rapid testing, fabrication, and integration of sUAS platforms. The position involves collaborating with a small, diverse team of engineering professionals to ensure project goals and timelines are achieved. This position is in Huntsville, Alabama, and the candidate can expect up to 10% travel.   This position is contingent upon contract award, with an estimated timeframe of December 2025.

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.

i3 is seeking a Virtualization Systems Administrator to join a team to support an Army contract. 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 driven DevSecOps Engineer to help spearhead adoption of modern DevSecOps principles & practices for a large government enterprise environment. Efforts will be focused on providing diverse infrastructure solutions utilizing a variety of Information Technology.

i3 is seeking a Mid Level Network Engineer to build and maintain DoD computer systems and networks with cyber concepts in mind to verify the DoD customers operating securely and that data is protected from both internal and external threats. Candidate will be responsible for working closely with end users to properly build and maintain the network for very specific software functionality needed (i.e., multicast, broadcast, etc.) Common tools such as Cisco Catalyst Center, Cisco ISE, Cisco ACI, and DISA Assured Compliance Assessment Solution (ACAS) will be used. This position is located on Redstone Arsenal, AL and is 100% onsite. 

i3 is seeking a Mid-Level Aerospace Engineer to support a rapidly evolving, low-cost, novel system. You will be responsible for the rapid design, analysis, and iteration of sUAS platforms. The position involves collaborating with a small, diverse team of engineering professionals to ensure project goals and timelines are achieved. This position is in Huntsville, Alabama, and the candidate can expect up to 10% travel.   This position is contingent upon contract award, with an estimated timeframe of December 2025.

i3 is seeking a Mid-Level Mechanical Engineer to support a rapidly evolving, low-cost, novel system. You will be responsible for the rapid design, fabrication, and iteration of sUAS platforms. The position involves collaborating with a small, diverse team of engineering professionals to ensure project goals and timelines are achieved. This position is in Huntsville, Alabama, and the candidate can expect up to 10% travel.   This position is contingent upon contract award, with an estimated timeframe of December 2025.

i3 is seeking a Senior Logistician / Team lead within a PM office.

i3 is excited to offer a part-time Systems 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.    At i3, our...

i3 is seeking a Senior Integrated Master Scheduler to develop Integrated Master Schedules (IMS) for the for Foreign Military Sales (FMS) and Building Partner Capacity (BPC) Programs. Must be able to integrate tiered master plans and schedules for various programs with resource loading.

i3 has a Summer 2026 internship opportunity for a Program Finance Intern to be located at our Corporate Office in Huntsville, AL.

i3 is offering a part-time Summer 2026 internship position within our Accounting Department for Huntsville, AL. This candidate will be exposed to the Accounting environment by learning the basics of Accounts Payable, Accounts Receivable, Time and Expense, etc.   The intern program allows students with the opportunity to experience hands on work experience in support of on-going projects. We offer flexibility within the program based upon the student’s schedule.

i3 is seeking a EO/IR Systems Engineer to join our team. This is a hands-on, end-to-end role that applies first-principles thinking to design optical sensors, model sensor performance, and support the integration of those designs into real-world hardware. The candidate will define test strategies, assist in building test infrastructure, and validate systems under realistic conditions. The candidate will advise on the technical direction and then develop it for a rapidly evolving, low-cost, novel system.   This position is contingent upon...

i3 has an exciting opportunity for an Electrical 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 $65,000 - 148,000 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,...

i3 is offering a part-time Summer 2026 internship position within our Army Training Solutions business unit. This candidate will be exposed to the development of Interactive Multimedia Instruction (IMI) within an Agile software development environment. This candidate will interact with Instructional Systems Designers (ISD), 3D Artists, Software Developers, Designers, and Program Managers in support of DoW training development.

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.

We are seeking a Software Engineer to support the Launched Effects (LE) Product Office (PO) within the Program Management Office (PMO) Uncrewed Aircraft Systems (UAS) and contribute to the development of new LE weapons platforms through the integration of DevSecOps principles and practices. As a LE Software Engineer, you will play a pivotal role in transforming LE weapon systems into more agile, secure, and efficient platforms. This position is located in Huntsville, AL. 

The Data Analyst supports the Missile Defense Agency’s (MDA) Agency Information Management and Software Services (AIMSS) program by enhancing data visibility, quality, and usability across the test data management lifecycle. This role bridges data management operations and technical analysis—leveraging structured methods, tools, and reporting to improve efficiency, ensure metadata consistency, and identify opportunities for process improvement.   The Data Analyst works closely with Data Managers, Data Scientists, and software engineers...

i3 has an exciting opportunity for an Electrical Engineer Intern to support the Naval Research Laboratory, Tactical Electronic Warfare Division. TEWD’s mission is to protect the warfighter from emerging threats by advancing electronic warfare (EW) through RDT&E of current and future technologies. This position is for the Summer 2026 internship and will be located onsite at i3's Arlington, VA location.   Pay Range $25.00 - 35.00 per hour The pay range for this position is a general guideline only...