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Mechanical Engineer Security Clearance

Job in Littleton, Arapahoe County, Colorado, 80120, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-06-15
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists, Systems Engineer, Aerospace / Aviation / Avionics
Job Description & How to Apply Below
Position: Staff Mechanical Engineer with Security Clearance
Job Number 729541

Description:

Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. Being a valued member of the Mechanisms Engineering organization, your responsibilities may include some of the following:
• Lead the direction of other engineers to research, design, analyze, and develop innovative components, assemblies, and systems of varying complexity while assuring sound technical rigor and timely delivery.
• Functionally own mechanical systems and delegate tasks.
• Develop, review, and maintain engineering documents, specifications, and technical analyses, including 3D solid models and 2D drawings.
• Be a member of integrated product teams, reciprocally interacting with other engineers, adjacent functions, suppliers, and stakeholders, to support products through the entire engineering lifecycle.
• Represent the organization in technical and stakeholder reviews.
• Collaborate with procurement, manufacturing, and test personnel to supervise the build and validation of hardware in a production environment.
• Mentor and train team members.
• Occasional travel. The ideal candidate will have advanced knowledge of 3D CAD Modeling, Geometric Dimensioning & Tolerancing (GD&T), have lead various small technical teams with good communication skills (both oral and written), and applied experience of Mechanical Engineering principles in numerous applications. Ability to obtain a security clearance is required.

Basic Qualifications:

• Bachelor's degree in mechanical engineering or related discipline, or equivalent experience/combined education with commensurate years of professional experience.
• Extensive experience leading a small technical team in a collaborative and team-based environment using good verbal and written communication skills.
• Demonstrated understanding of structures, mechanisms and materials as well as the application of Mechanical Engineering principles, theories and concepts.
• Robust knowledge of Geometric Dimensioning and Tolerancing in accordance with ASME Y14.5 and ability to perform complex detailed part and subsystem tolerance analysis.
• Experience with solid model and drawing creation using 3D computer-aided design software, specification development, vendor interface, parts selection, and configuration control.
• Ability to obtain a security clearance; US citizenship is required.
• US Citizenship required with the ability to obtain or maintain a Secret security clearance Desired

Skills:

• Prior experience with complex mechanical subsystems and associated interfaces with other systems.
• Understanding and ability to apply advanced Mechanical Engineering principles, theories, and concepts.
• Experience with the production, test, and integration of mechanical systems.
• Willingness to mentor junior engineers and ability to be largely autonomous in day-to-day tasking.
• Active security clearance. Security Clearance Statement:
This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level: TS/SCI Other Important Information You Should Know Expression of Interest:
By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings. Ability to Work Remotely: Onsite Full-time:
The work associated with this position will be performed onsite at a designated Lockheed Martin facility. Work Schedules:
Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits. Schedule for this Position: 9x80 every other Friday off Pay…
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