Mechanical Engineer

ManTech International Corp

IN

JOB DETAILS
SKILLS
Aerospace and Defense, Analysis Skills, AutoCAD, Best Practices, CAD (Computer-Aided Design) Software, CATIA CAD, Continuous Improvement, Control Systems, Customer Relations, Data Analysis, Documentation, Electricity, Geometric Dimensioning and Tolerancing, Internet Security, Leading Edge Technology, Manufacturing/Industrial Processes, Mechanical Assembly, Mechanical Design, Mechanical Engineering, Mentoring, Military, Military/DoD Standards, Network Operations Center, Office Equipment, People Management, Performance Management, Presentation/Verbal Skills, Problem Solving Skills, Process Improvement, Secondary School, Security Design, Software Engineering, SolidWorks, System Integration (SI), Systems Administration/Management, Systems Reliability, TEMPEST, Team Player, Test Plan/Schedule, Testing, Thermal Management
LOCATION
IN
POSTED
30+ days ago

General Information

Requisition R64743 Locations: USA-IN-Crane Posting Date: 12/22/2025 Security Clearance Required: TSSCI Remote Type: Onsite Time Type: Full time

Description & Requirements

Shape the future of defense with MANTECH. Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, weve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics, and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH.

This is for a future opportunity

MANTECH seeks a motivated career and customer-oriented Mechanical Engineer to join our team in Crane, Indiana. This is an onsite position.

Are you ready to engineer cutting-edge solutions that directly impact the operational capabilities of the Navy and Marine Corps? As a core Mechanical Engineer II on our innovative team, youll be deeply involved in the full spectrum of engineering activities - from initial research and design to seamless integration, rigorous testing, and insightful analysis. Youll focus on developing critical defensive cyber technologies, ensuring mission assurance, advancing command and control systems, and building resilient tactical networks. Your efforts will directly translate into enhanced effectiveness for the warfighter. If youre an enthusiastic and proactive engineer who excels in collaborative, dynamic environments and is driven to make a tangible difference, we encourage you to apply.

Responsibilities

Include but are not limited to:

Design and develop mechanical components, assemblies, and systems using CAD software (e.g., SolidWorks, AutoCAD, CATIA).

Perform engineering analysis, including stress analysis, thermal analysis, fluid dynamics, and vibration analysis using FEA and CFD tools.

Select appropriate materials, manufacturing processes, and tolerances for mechanical designs.

Develop and execute test plans and procedures to validate the performance and reliability of mechanical systems.

Troubleshoot and resolve mechanical issues during development, testing, and production phases.

Collaborate effectively with electrical, software, and other engineering disciplines to integrate mechanical systems.

Create and maintain detailed engineering drawings, specifications, and documentation.

Stay up-to-date with the latest industry standards, technologies, and best practices.

Participate in design reviews and provide constructive feedback.

Contribute to continuous improvement efforts for design processes and methodologies.

Potentially mentor and provide guidance to junior engineers and technicians.

Required Qualifications

Bachelors degree in Mechanical Engineering or a related field. Permitted experience exchange: High School and 6 years of additional experience or Associates Degree and 4 years of additional experience may be exchanged in lieu of a required Bachelors degree.

5 years of relevant experience in mechanical design and analysis, preferably with a focus on electronic systems.

Proficiency in using 3D CAD software (e.g., SolidWorks, AutoCAD, CATIA) for design and documentation.

Knowledge of material selection, manufacturing processes, and GD&T.

Desired Qualifications

Masters degree in Mechanical Engineering.

Familiarity with environmental testing standards (e.g., MIL-STD-810) and EMIRFI shielding principles.

Experience designing mechanical solutions for military, aerospace, or other harsh environment applications.

Knowledge of cybersecurity principles and their implications for hardware design.

Familiarity with TEMPEST requirements or other security-related design considerations.

Experience with data center cooling or high-performance computing thermal management.

Understanding of cable management best practices for secure environments.

Clearance Requirements

Must have a current, active TSSCI.

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.

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

About the Company

M

ManTech International Corp

Our Mission Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day. Our Vision Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech. Our Values Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to: • TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always. • INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers. • QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.
COMPANY SIZE
5,000 to 9,999 employees
INDUSTRY
Other/Not Classified
FOUNDED
1968
WEBSITE
https://www.mantech.com/about