Junior Mechanical Engineer

Date: Oct 20, 2026

Location: Alexandria, VA, Virginia, United States

Company: HII's Mission Technologies division

Requisition Number: 30761

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $70,116.00 - $90,000.00

Security Clearance: Ability to Obtain

Level of Experience: College

This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems.

HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Meet HII’s Mission Technologies DivisionOur team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you. Apply today. We look forward to meeting you.

To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072

Job DescriptionHII is seeking an imaginative and adaptable Junior Mechanical Engineer that is on schedule to graduate in May 2027 to join our fast-paced, interdisciplinary teams in our Alexandria, VA location. If you’re eager to apply your foundational mechanical engineering knowledge to design and rapidly prototype tangible mission hardware for the defense and intelligence communities, this is a fantastic opportunity!

We specialize in customized, mission-enabling solutions that blend technology and tradecraft. You'll work on projects that move quickly from concept to deployment, realizing the results of your ideas as finished products used worldwide.

Your role will involve:

Hands-On Design & Prototyping: Applying mechanical engineering theory and methods to a diverse portfolio of projects. This includes developing solutions like electromechanical devices, motion platforms, electronics packaging, and multi-spectral signature management (visible, NIR, thermal, acoustic, RF).

DFM Focus: Utilizing a basic understanding of Design for Manufacturing (DFM) to ensure your designs are optimized for both subtractive and additive manufacturing methods.

Cross-Functional Collaboration: Working directly with senior engineers, technicians, managers, and end-user clients in small, close-knit teams. Regular communication is key to maintaining a flexible and highly adaptive engineering process.

System Integration: Applying a basic knowledge of electrical applications to ensure all mechanical designs are suitable for seamless product integration.

Joining HII means becoming part of an organization with decades of industry-leading reputation:

Impactful Work: Earn a sense of accomplishment by making meaningful contributions to our nation’s top security priorities.

Rapid Prototyping: Access to some of the most comprehensive secure rapid prototyping facilities in the mid-Atlantic region, including a full in-house machine shop, composite fabrication, finishing, electronics assembly, and testing capabilities.

Essential Job ResponsibilitiesProvide support to the design, development, prototype fabrication, and verification testing of unique specialty productsPerform detailed system and sub-system analysis, simulation, and design work as requiredWork with complicated mechanical system concepts and detailed designs to properly determine the necessary design tradeoffsInterface with project teams and external customers as required, to support specialized product developmentParticipate in the assembly, system test planning, and system test procedure generation Adequately document processes, procedures, and testing using structured formats. Where formats do not currently exists, provide a recommended format for review Learn and utilize the Quality Management System (QMS) and existing tools and templates Interface with project teams and external customers as required, to support specialized product development Minimum Qualifications0 years of experience with a Bachelors Degree in Mechanical Engineering or a related field U.S. Citizen with the ability to obtain and maintain a U.S. Secret level security clearance Experience working on a project that utilized Project Management techniques and practices Experience using 3-D modeling software for complex assemblies, detailed design, and realistic rendering Knowledge of raw materials, prototyping and production processes, quality control and other techniques for maximizing the effective fabrication and manufacture of electro-mechanical devices Preferred RequirementsExperience working directly with a customer to understand and interpret needs and specifications is preferred Working knowledge of current and novel technologies related to mechanical engineering design, fabrication, and testing Ability to study industrial processes to determine where and how application of our products can be made Active US Secret level security clearance