Mechanical Engineer with Security Clearance

Location: Crane

MANTECH seeks a motivated, career and customer-oriented Mechanical Engineer to join our team working in Crane, IN. This is an onsite position. Responsibilities include but are not limited to:
* Lead multi-million-dollar project execution, formulate financial models, and generate detailed spending projections and cost estimates for government sponsors.

* Execute mechanical design, CAD modeling, and reverse engineering applying GD&T. Program CNC mills and optimize processes for high-volume production.

* Implement and operate facility 3D metal and filament printers to fabricate functional parts and bespoke tooling from various materials.

* Direct procurement for raw materials, capital equipment, metrology instruments, CNC tooling, HAZMAT compliance assets, and heavy material-handling equipment.

* Deliver In-Service Engineering support, update SOPs, author technical reports/SOWs, and direct UID labeling and decal production.

* Serve as the primary technical liaison cultivating strategic interfaces with government sponsors, US Navy/USMC entities, and customs agencies.

* Travel up to 25%

Minimum Qualifications:

* Bachelor of Science in Mechanical Engineering or a related technical discipline

* 10+ years of relevant engineering experience

* Professional experience using CAD software, CAM programming, CNC mill operation, and/or GD&T standards.

* Demonstrated experience formulating spending projections, managing project budgets, and/or overseeing cross-functional technical teams.

* Hands-on experience operating 3D filament and metal printers using specialized polymers and composite materials.

Preferred Qualifications:

* Experience supporting DoD weapon systems, missile programs, rockets, or countermeasure payloads (e.g., NSWC Crane, MARCORSYSCOM).

* Background in designing rotational ruggedization fixtures, test sets, and specialized assembly/tooling equipment.

* Familiarity with UID label creation, Roland industrial printing setups, Cut Works RIP software, and military marking compliance. Clearance Requirements:
* U.S. Citizenship required and a current or active Secret clearance

Physical Requirements:

* The person in this position must be able to remain in a stationary position 50% of the time.

* Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.