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i3 is seeking a seasoned and autonomous Security Analyst to join our dynamic team supporting a US Army Project Office. The ideal candidate will be a proactive and trusted professional capable of leading new projects with minimal supervision. This role demands a comprehensive understanding of a wide range of security disciplines, including foreign disclosure, physical security, information security, operations security, personnel security, and industrial security. The successful candidate will be responsible for providing concise, high-impact briefings to executive leadership on short notice and will demonstrate a deep commitment to protecting national security interests. This...
i3 seeking a highly motivated and skilled Data Management and AI Integration Engineer to join our dynamic Launched Effects team within CPE Aviation (formerly known as PEO Aviation). We are responsible for developing, acquiring, and sustaining the critical systems that provide our Soldiers with a decisive edge on the battlefield. This is a critical role responsible for leveraging artificial intelligence (AI) and automated tools to enhance our data management and visualization practices, improve decision-making, and ensure the delivery of superior capabilities to the Warfighter.
This position offers a unique opportunity to shape the future...
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 NASA Armstrong Flight Research Center (AFRC) Navigator/Mission Planner performs duties in support of the operations of all aircraft assigned to AFRC. Navigators/Mission Planners will plan and fly sorties for NASA and NASA customers ensuring that quality products and safe operations are provided as tasked. AFRC aircraft are located at the main campus at Edwards Air Force Base, California.
Salary Range: $130,000 - $160,000
We’re seeking a Data Analysis & Event Reconstruction Engineer to reconstruct trajectories and key event timelines from diverse data sources collected during lab, range, and field activities. You will fuse and align time-stamped data from sensors, instrumentation, and logs to produce defensible trajectory solutions and event reconstructions that support engineering decisions, test reporting, and operational effectiveness.
This role is a strong fit for an Electrical, Mechanical, or Aerospace Engineer who enjoys turning disparate, real-world data into clear answers, combining estimation, physics, and MATLAB-based analysis into repeatable workflows.
The Graphic Designer Intern will support the Training Aids, Devices, Simulators and Simulations (TADSS) business unit in developing visual design assets for Interactive Multimedia Instruction (IMI). The intern will work within an Agile software development environment alongside Instructional Systems Designers, 3D Artists, Software Developers, and Program Managers to create training solutions for Department of Defense customers. The intern will gain hands-on experience in defense sector design work while applying classroom knowledge to real-world projects.
This position is for the Summer 2026 term and will be an onsite internship...
We’re seeking a Senior Electrical Engineer with extensive RF experience to lead the design, upgrade, and sustainment of an RF anechoic chamber that serves as a hardware-in-the-loop (HIL) test facility. You will own the end-to-end technical approach, from requirements and architectural design through vendor coordination, installation oversight, performance verification, and long-term operational readiness.
This role blends RF engineering, facility-level integration, and practical execution. You’ll work closely with systems, test, and embedded/software...
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...
We’re seeking a Power Distribution Engineer to design and implement reliable power architectures for complex electronics and test systems. You will own power sequencing (voltage rail order, timing, and interlocks), PCB-level power distribution, and relay/contactor control logic to ensure safe bring-up, robust operation, and clean shutdown across electro-mechanical assemblies.
This role is ideal for an engineer who enjoys practical design ownership – requirements to schematic/PCB, build and debug – and who is comfortable working across analog power,...
We’re seeking a Modeling & Simulation Engineer to develop high-fidelity environmental and target signature models used in a real-time hardware-in-the-loop (HIL) facility. You will create models that generate realistic stimuli – e.g., background environment, clutter, propagation effects, and target returns – so that sensors and mission systems can be exercised under repeatable, configurable, and operationally relevant scenarios.
This role is a strong fit for a Physics or Mathematics-based engineer who enjoys translating theory into performant...
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 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 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.
