Job Description
Job Title:  Mechanical Engineer - Mass Properties
Posting Start Date:  9/21/26

Standard Job 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. 

 

At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity.

 

Join us in shaping a new era in space and find a career that's built for you.

 

Join the outstanding and specialized field of Mass Properties Engineering and help ensure our spacecraft get payloads to the right orbit around our planet or around other objects in our solar system, help our missile systems intercept a threat and protect our troops, help deliver a payload with pinpoint accuracy, or help us develop smaller, lightweight directed energy weapons so they can be deployed on a variety of platforms. 

 

As a Mass Properties Engineer, you will:

                • Provide Mass Properties Engineering support to multiple satellite, missile or special programs

                • Calculate mass properties and update and maintain mass properties database

                • Perform basic trade studies and make presentations at program design reviews

                • Support development of test procedures and perform mass properties measurements, then reduce and interpret measurement data into final user values

                • Support Mass Properties Control Boards and weight reduction teams

                • Document and publish all types of analysis reports and support the mass properties effort on small or large programs

 

Researches, plans, designs and develops mechanical products and systems such as instruments, controls, robots, engines, machines and mechanical, thermal hydraulic or heat transfer systems for production, transmission, measurement, and use of energy. Applies research to the planning, design, development, and testing of mechanical and/or electromechanical systems, instruments, controls, engines, and/or machines.

Basic Qualifications

  • Demonstrated experience in calculating the mass properties (mass, 3 axis centers of gravity, moments and products of inertia) of components and performing summation calculations into assemblies
  • Ability to use and understand the concepts behind simple software tools to perform these calculations
  • Demonstrated ability to perform simple weight and center of gravity measurement using multiple platform scales or load cells
  • Experience interpreting detailed mechanism designs taken from manufacturing drawings or standard modeling software tools
  • Data reduction and simple error analysis
  • US Citizenship with the ability to obtain and maintain a Secret security clearance

 

Desired Skills

  • Bachelor's degree in Engineering (Mechanical, Aerospace), Physics, or Mathematics
  • Perform simple mass properties estimation of preliminary design concepts
  • Demonstrated knowledge and experience with Microsoft Word, Excel and Power Point, solid modeling applications (IDEAS, Pro-E, or CREO), Mathcad and/or MATLAB, and other software tools
  • Experience as a key contributor for weight control and reduction efforts
  • Ability to support technical concerns with respect to weight reduction application
  • Ability to write Mass Properties procedures, practices and/or specifications
  • Experience working on integrated product team, interacting with other engineering fields, technicians, subcontractors, and customer
  • Familiarity with manufacturing and assembly techniques & processes, developing test procedures
  • Missile or space segment design and test experience with one or more subsystems or fields outside of Systems Engineering
  • Demonstrated basic understanding of systems thinking skills and behaviors
  • Excellent written and verbal communications skills, strong social skills, and ability to build solid relationships with team members
  • Active Secret clearance
  • Proficient in AI prompting as it applies to this position and practice

Pay Information

Full-Time Salary Range: $79300.00 - $147300.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.  

Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

  • Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
  • For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.