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Overview

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

Responsibilities

The Intern will provide support to the Program Finance staff performing duties to include:

+ Auditing employee travel voucher submissions and setting up labor categories and rates in accounting systems.

+ Acts as a liaison between operations and other administrative support organizations on financial issues. Interfaces with subcontractors, vendors and customers as required.

+ Administrative duties such as resume input into preferred format, labor hour input into vendor system, and travel cost research for expense authorizations.

+ Other duties as assigned.

Qualifications

+ Candidate must be currently enrolled in an undergraduate or graduate level degree program in Finance, Accounting, Business Administration or related field at an accredited college/university during (Summer 2026) or continuing an undergraduate or graduate degree program the following semester (Fall 2026) at the time of the internship.

+ Must have the ability to obtain and maintain an Active DoD Secret Clearance. U.S. Citizenship is required to fill this requirement.

+ Must possess strong analytic skills, excellent written and verbal communication skills, and able to comprehend verbal instructions.

+ Must be a hardworking team player with the ability to multi-task, handle multiple deadlines, and self-starter able to work with minimal supervision.

+ Strong working knowledge of Excel and other MS Office tools is required.

About i3

i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic warfare and electromagnetic effects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation. We have established a broad offering of products and capabilities collectively providing decades of experience supporting the full complement of DoD military services, Missile Defense Agency, National Aeronautics and Space Administration, and a variety of other Government organizations and private industry customers.

Perks of being a team member owner include:

+ Long-term financial security

+ Higher job satisfaction

+ Greater job security

+ Personal and professional growth

+ Great company culture

Other outstanding benefits:

+ Excellent insurance coverage

+ 401(k) match

+ Generous PTO

+ Health and wellness incentives

+ Tuition and certification reimbursement

+ Countless opportunities to give back to the community through i3 Cares

We work hard. We compete hard. We play hard. Apply now to join us!

Job LocationsUS-AL-Huntsville

ID 2025-4977

Business Unit HQ

Type TOC