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• Job Locations US-AL-Huntsville | US-CO-Colorado Springs

  Title

  Mid-Level Network Engineer

  Designs and maintains DOD computer systems and networks to ensure operational security and protect data from internal and external threats. Reviews network/system configurations to ensure compliance and creates recommendations in line with security and governmental regulations.   Pay Range $68,500-110,000 The pay...

  ID

  2026-5236

  Clearance

  Secret Required

• Job Locations US-AL-Huntsville

  Title

  Mid-Level Information System Security Officer (ISSO)

  i3 is seeking a Mid-Level Information System Security Officer (ISSO) to support the Risk Management Framework (RMF) lifecycle for a Software Defined Network (SDN) supporting PAE Fires and Reveille Forge. The selected candidate will perform day-to-day cybersecurity, RMF, vulnerability management, and continuous monitoring activities while coordinating with technical teams, external tenants, and cybersecurity leadership to maintain the system's authorization and security posture.   This position is located in Huntsville, AL at Redstone...

  ID

  2026-5234

  Clearance

  Secret Required

• Job Locations US-AL-Huntsville

  Title

  Infrastructure Manager

  i3 is seeking a creative and driven Infrastructure Manager with a passion for solving real world issues on a cross-functional, fast paced team. Candidate will be responsible for working closely with the system administrators and end users to properly design and maintain the network. Candidate should have a strong background in Red Hat Linux, Windows Server or Cisco networking.     As the infrastructure manager your role is to ensure the stability, integrity and efficiency of the in-house network that supports an Army network. The Infrastructure...

  ID

  2026-5233

  Clearance

  Secret Required

• Job Locations US-AL-Huntsville

  Title

  Senior Test Engineer

  Provide Test Engineering support for an Army Project Office at Redstone Arsenal. This role functions within the Project Office’s Test Directorate in direct support of the Government Test Team and will work with government civilians, military personnel, and contractors. The Senior Test Engineer will play a critical role in test execution and test documentation, to include developing test plans, designing test procedures, executing tests, and maintaining thorough documentation in accordance with applicable government standards. Candidate must be professional, self-motivated, and possess good communication and team working skills to participate in multiple...

  ID

  2026-5231

  Clearance

  Secret Clearance Required

• Job Locations US-AL-Huntsville

  Title

  Datalinks Engineer

  i3 is seeking a Datalinks Engineer to support the PM UAS Technical Management Division (TMD) in support of the Chief Engineer, UAS Product Offices, and potential special projects aligned with the PM UAS mission. This is a full-time, on-site position with limited telework eligibility.   The Datalinks Engineer will provide technical oversight and subject matter expertise for UAS datalink system development, integration, qualification, and sustainment. The position supports systems involving modems, radio frequency equipment, antennas, radomes, interfaces, communication protocols,...

  ID

  2026-5220

  Clearance

  Secret Preferred

• Job Locations US-AL-Huntsville

  Title

  Entry Level Software Engineer

  i3 is seeking a Software Engineer with 0-3 years of professional experience to help develop cutting edge command and control (C2) and autonomy software for uncrewed platforms including planes, boats, vehicles, and submersibles. This team is developing a web-based user interface for autonomously tasking these UxS platforms.

  ID

  2026-5218

  Clearance

  Secret Preferred

• Job Locations US-AL-Huntsville

  Title

  Mid-Range Capability Instructor

  i3 is seeking a highly qualified professional as an instructor with extensive experience on advanced missile and weapon systems. Preferred candidates have an instructor or training background and have demonstrated expertise with offensive weapons systems, such as the Army’s Mid-Range Capability (Tomahawk and Standard Missile 6), Long Range Hypersonic Weapon, or HIMARS.   Candidates with significant experience as an instructor or supporting other complex air and missile defense or long-range precision fires systems are encouraged to apply....

  ID

  2026-5216

  Clearance

  Secret Preferred

• Job Locations US-AL-Huntsville

  Title

  Modeling and Simulation Engineer 6-DOF

  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.

  ID

  2026-5209

  Clearance

  Secret Required

• Job Locations US-AL-Huntsville

  Title

  Cameo Modeler

  The Tactical Software and Autonomy Solutions (TSAS) team at i3 supports USSOCOM Headquarters 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 Cameo Modeler to assist in development and review of software and systems engineering artifacts during the execution of cutting-edge UxS system development projects at i3 in support of various DoD customers.

  ID

  2026-5207

  Clearance

  Secret Preferred

• Job Locations US-AL-Huntsville

  Title

  Subject Matter Expert Gray Eagle UAS

  i3 is looking for a Subject Matter Expert Gray Eagle UAS to support the development of the UAS portion of the Reconfigurable Virtual Collective Trainer (RVCT) for the Army in the Huntsville, AL. Candidate will be working in a dynamic, fast-paced development environment with multiple contractors and teaming partners and must be self-motivated, reliable, dependable, flexible, and have excellent interpersonal and verbal / written / presentation communication skills.

  ID

  2026-5194

  Clearance

  Secret Required

• Job Locations US-AL-Huntsville

  Title

  Nondestructive Testing (NDT) Technician

  i3 is looking for a Nondestructive Testing (NDT) Technician to join our team! The ideal candidate will have previous experience in rotary and/or fixed wing aircraft nondestructive inspection. This position is located in Huntsville, Alabama.

  ID

  2026-5167

  Clearance

  Secret Preferred

• Job Locations US-AL-Huntsville

  Title

  SharePoint Administrator/Developer

  i3 is seeking a Microsoft SharePoint Administrator/Developer. The SharePoint Administrator/Developer will provide technical expertise supporting and administering SharePoint environment for a large user community.

  ID

  2026-5102

  Clearance

  Secret Required

• Job Locations US-AL-Huntsville

  Title

  Dedicated DoD365 Specialist

  i3 is seeking a Dedicated DoD365 Specialist. The Dedicated DoD365 Specialist will serve as the organization’s dedicated specialist for all DoD365 applications.

  ID

  2026-5100

  Clearance

  Secret Required

• Job Locations US-AL-Huntsville

  Title

  Data Visualization Application Administrator

  i3 is seeking a Data Visualization Application Administrator. The Data Visualization Application Administrator will perform application administration and maintenance, and support data visualization tools throughout the organization.

  ID

  2026-5098

  Clearance

  Secret Required

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