Junior Mechanical Engineer

Job Description

Job Description

Junior Mechanical Engineer

26-045

We are seeking a motivated and detail-oriented Junior Mechanical Engineer to support upcoming and anticipated defense programs. In this role, you will assist in the design, development, testing, and improvement of mechanical systems and components. You will work under the guidance of senior engineers and contribute to various phases of project development. This is an excellent opportunity for a recent graduate or early-career professional to gain hands-on experience and grow within a collaborative and innovative environment. This position is contingent upon contract award.

Duties Include :

• Support mechanical design and drafting using CAD software (e.g., SolidWorks, AutoCAD, or similar)
• Assist in prototype development, assembly, and testing
• Functional knowledge of manufacturing processes and their applicability (i.e. machining, sheet metal fabrication, 3D printing, welding, etc.)
• Perform basic engineering calculations and analysis to include design level structural and thermal FEA
• Perform analyses and generate presentations and reports for results
• Collaborate with cross-functional teams including electrical engineers, manufacturing and quality assurance
• Prepare technical documentation: drawings, plans, procedures and reports
• Support configuration management process: prepare Engineering Change Orders (ECOs), manage information in Configuration Management (CM) system
• Participate in design reviews and contribute ideas for design improvements
• Assist with troubleshooting and resolving engineering issues during prototyping, development and production.

Requirements:

• U.S. Citizenship required, and successful completion of a background check is mandatory.
• Active Secret clearance or ability to get one.
• Bachelors degree in Mechanical Engineering or a related field
• 05 years of experience in a mechanical engineering role
• Proficiency in 2D/3D CAD tools (e.g., SolidWorks, AutoCAD, or equivalent)
• Basic understanding of mechanical design principles and materials.
• Strong problem-solving and analytical skills.
• Excellent written and verbal communication skills.
• Ability to work independently and as part of a team.

Preferred Skills:

• Direct experience with manufacturing processes (e.g., CNC machining, injection molding, 3D printing)
• Exposure to GD&T and technical drawing standards.
• Working knowledge of (experience with) PDM systems or engineering change control (e.g. Arena, Windchill).

Physical Requirements:

• Sitting for extended periods of time at desk, in telecoms/meetings with peers, management

This position is expected to be performed only in the state of Alabama.

Subject to the provisions of Code of Alabama 40-18-370, the Company shall give good faith consideration to Alabama residents for employment at the Project.

Invariant Corporation is an Equal Opportunity Employer. All qualified applicants will be considered without regard to race, color, religion, sex, national origin, disability, or veteran status.

Invariant is a drug-free workplace.

Headquartered in Huntsville, Alabama, Invariant is a 100% employee owned, non-traditional defense contractor providing advanced engineering solutions to support national defense, homeland security, and law enforcement. We are ISO 9001 certified with secure facilities, labs, and high bay space performing advanced manufacturing, integration, assembly, and testing of mission critical systems. Join a team where innovation fuels impact. At Invariant, every voice contributes, and every employee-owner shares in the success of our mission to protect those who protect us. We’re home to engineers, developers, and specialists—web builders of mission-critical systems, united by purpose and driven by pride. As a 100% employee-owned company, your work doesn’t just power national defense—it helps power your future. Ready to take the next step in your career? Explore our current openings and discover how you can make a lasting impact while building ownership in everything you help create.

Company Description

Headquartered in Huntsville, Alabama, Invariant is a 100% employee owned, non-traditional defense contractor providing advanced engineering solutions to support national defense, homeland security, and law enforcement. We are ISO 9001 certified with secure facilities, labs, and high bay space performing advanced manufacturing, integration, assembly, and testing of mission critical systems. Join a team where innovation fuels impact. At Invariant, every voice contributes, and every employee-owner shares in the success of our mission to protect those who protect us. We’re home to engineers, developers, and specialists—web builders of mission-critical systems, united by purpose and driven by pride. As a 100% employee-owned company, your work doesn’t just power national defense—it helps power your future. Ready to take the next step in your career? Explore our current openings and discover how you can make a lasting impact while building ownership in everything you help create.