Junior Mechanical Engineer

and the job listing Expires on January 1, 2026

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 C5

ISR 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.

Our 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 C5

ISR, 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.

HII is seeking an imaginative and adaptable Junior Mechanical Engineer that is on schedule to graduate in May 2026 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.

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.

• Provide support to the design, development, prototype fabrication, and verification testing of unique specialty products
• Perform detailed system and sub‑system analysis, simulation, and design work as required
• Work with complicated mechanical system concepts and detailed designs to properly determine the necessary design tradeoffs
• Interface with project teams and external customers as required, to support specialized product development
• Participate 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 exist, 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