Mechanical Design Engineer Senior

Job ID: 724214BR Date posted: Apr. 14, 2026
Description:Lockheed Martin Missiles and Fire Control is looking for a Mechanical Design Engineer to support the IRST Sensors Program area in Orlando, FL.

What You Will Be Doing:
As the Mechanical Engineering Designer Sr, you will be responsible for supporting the Integrated Product Team in creating detailed designs, layouts, and drawings for various components and subassemblies. You will play a key role in developing and generating CREO layouts, detailed drawings, and design documentation, ensuring seamless collaboration with cross-functional teams.

Your responsibilities will include:
* Developing and generating CREO layouts and detailed drawings for ICDs, components, sub-assemblies, assemblies, and integration test articles

* Building BOMs, creating parts, assemblies, and design documentation within Windchill PLM

* Coordinating with the IPT team, suppliers, GSC, electronic packaging, optics, and structural/thermal/material analysts to ensure design excellence

* Managing drawing releases, responding to CRs, generating CN's, and presenting/supporting change boards and design reviews

* Performing design trade studies to evaluate cost, weight, performance, and structural/thermal benefits
Basic Qualifications:
Bachelor's Degree in Mechanical or Aerospace Engineering from an accredited university.

A minimum of 5 years related experience.

Comprehensive understanding of mechanical design engineering principles and demonstrated knowledge of industry practices

Knowledge of Geometric Dimensioning and Tolerancing in accordance with ASME Y14.5 and ability to perform complex detailed part and subsystem tolerance analysis

Minimum 3 years experience with Creo or similar 3D computer-aided design software

Have the ability to generate engineering drawings, documents, parts lists and specifications

Have the ability to work with minimal oversight or supervision
Desired Skills:
Hands‑on experience with machining, rapid prototyping, or lab equipment (CNC, 3‑D printers, test rigs)

Experience with Microsoft Office Suite.

Experience with Model-Based Definition (MBD).

Opto-Mechanical experience.

Experience with composite structures.

Experience with phases of aerospace systems lifecycle from proposal and capture efforts, development, transition to production, production, and sustainment.
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Secret
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: Part-time Remote Telework: The employee selected for this position will work part of their work schedule remotely and part of their work schedule at a designated Lockheed Martin facility. The specific weekly schedule will be discussed during the hiring process.
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: 4x10 hour day, 3 days off per week
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: MISSILES AND FIRE CONTROL
Relocation Available: Possible
Career Area: Mechanical Engineering
Type: Full-Time
Shift: First