Mass Properties Engineer

Job Title: Mass Properties Engineer
Job Description
We are seeking a Mass Properties Engineer to join our dynamic Mechanical and Energetics department. In this role, you will work in a collaborative environment with diverse teams to model the mass properties of various launch vehicles. Your contributions will ensure mission success by meeting critical performance and weight requirements, impacting national security and advancing scientific exploration both on land and in space. This position offers early-career professionals hands-on experience with advanced aerospace systems and opportunities for innovation.
Responsibilities

• Develop and maintain Mass Properties Models for launch vehicles and subsystems.
• Perform weight and balance analysis, including estimating and optimizing mass properties for launch systems.
• Establish design target weights and track compliance throughout the project lifecycle.
• Maintain mass properties accounting systems and provide trend analysis for program leadership.
• Support proposal evaluations, design reviews, and component weighing and verification to improve the accuracy of estimates.
• Present findings in technical and program reviews.
• Engage regularly with other groups and departments to gather information and communicate status.

Essential Skills

• Proficiency in mass properties and weight and balance analysis.
• Experience in Aerospace, Space, or Military DOD environments.
• Familiarity with analysis engineering, including structural, stress, strain, and finite element analysis (FEA).
• Basic understanding and usage of CAD software, specifically Siemens NX.
• Ability to obtain and maintain a U.S. Secret security clearance.

Additional Skills & Qualifications

• Bachelor's degree in Aerospace Engineering, Mechanical Engineering, or a related STEM field.
• 0-5 years of experience in Aerospace, Space, or Military DOD sectors.
• 0-5 years of experience performing weight and balance analysis or any related analysis engineering.

Work Environment
The work involves designing and launching various missions for government and military customers, including defensive systems like the Next Generation Interceptor and the GBSD Ground Based Strategic Deterrent, now known as LGM-35 Sentinel. Most of the work is conducted in an office setting, with occasional tasks in lab testing or manufacturing environments. Our 9/80 schedule allows for flexibility and productivity, offering employees a three-day weekend every other week while requiring longer workdays.
Job Type & Location
This is a Contract to Hire position based out of Chandler, AZ.
Pay and Benefits
The pay range for this position is $32.00 - $35.00/hr.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in Chandler,AZ.
Application Deadline
This position is anticipated to close on Jun 5, 2026.
About Actalent


Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.


The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.


If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on click.appcast.io for other accommodation options.



San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.



Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.



Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.