Mechanical Engineer Sr - E3

Posted 5 Hours Ago
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King of Prussia, PA, USA
In-Office
96K-178K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Performs preliminary and detailed stress analysis of missile structures, mechanisms, electronic components, and ground support equipment. Models dynamic behavior, supports structural load testing, evaluates materials and design margins, prepares technical charts, and participates in design reviews. Collaborates with multidisciplinary teams on structural design trades, analysis methods, testing, and long-term workload forecasting. The role requires expertise in static, vibration, acoustic, modal, shock, and potentially nonlinear structural analysis.
Summary Generated by Built In
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.

As a Senior Stress Analyst you will be responsible for performing preliminary and detailed level stress analysis of missile flight structures and mechanisms, electronic components, and ground support equipment using standardized processes and tools. You will work in a multi-disciplined team environment to help with structural design trades and preliminary and detailed design/analysis activity.
RESPONSIBILITIES INCLUDE:
• Modeling and analyzing test components for dynamic behavior and characteristics.
• Preparing technical charts and represent the organization in design reviews and outside contracts.
• Supporting structural load test definition, requirements development, monitoring, data reduction, and comparison to analysis effort.
• Collaborating with designers in developing the most practical design, and selection of materials for primary and secondary structures with adequate structural margins of safety, good load paths, low weight, and high producibility.
• Coordinating with program to forecast level of effort for long term analysis needs.
**This position is contingent upon contract award expected in Sep 2026.**

The information below reflects the standard job description for this position:

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

• Experience with a finite element modeling tool - Abaqus CAE or NX Simcenter 3D are preferred.
• Knowledge of spacecraft or aircraft structural dynamic methods and testing.
• Static, vibration, acoustic, modal, or shock analysis/test experience.
• A bachelor’s degree in mechanical, aerospace program or equivalent from an accredited college/university and/or equivalent education or experience.
• Willingness/ability to obtain/maintain a Top Secret, US Citizenship required.

Desired Skills

• A Master's degree is strongly preferred for this position.
• Non-linear, fracture & fatigue, and buckling analysis experience.
• Mechanisms, antenna, electronic component, ground support, hoisting, and test support equipment, and composite materials analysis experience.
• Experience evaluating designs using rigid body or flexible body analysis methods and tools.
• Ability and desire to assume ownership of tasks and drive to closure quickly and efficiently.
• Creativity/innovation to tackle issues related to anomalous performance of any aspect of a mechanical system.
• Ability to apply new and advanced analytical techniques necessary to perform structural analysis.
• Ability to work in a collaborative and highly integrated team environment.

Proficient in AI prompting as it applies to this position and practice

• Active or Current Top Secret clearance


Pay Information

Full-Time Salary Range: $95900.00 - $178100.00

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.

Skills Required

  • Bachelor’s degree in mechanical engineering, aerospace engineering, or an equivalent combination of education and experience from an accredited institution
  • Experience with finite element modeling tools, preferably Abaqus CAE or NX Simcenter 3D
  • Knowledge of spacecraft or aircraft structural dynamics methods and testing
  • Experience with static, vibration, acoustic, modal, or shock analysis or testing
  • U.S. citizenship
  • Willingness and ability to obtain and maintain a Top Secret security clearance
  • Master’s degree
  • Experience with nonlinear, fracture, fatigue, or buckling analysis
  • Experience analyzing mechanisms, antennas, electronic components, ground support equipment, hoisting equipment, test support equipment, or composite materials
  • Experience evaluating designs using rigid body or flexible body analysis methods and tools
  • Active or current Top Secret clearance

Lockheed Martin Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lockheed Martin and has not been reviewed or approved by Lockheed Martin.

  • Retirement Support — Retirement benefits are described as a standout element, with a strong 401(k) program and options like an employee stock purchase plan. Feedback suggests these features meaningfully enhance total compensation and long‑term financial security.
  • Healthcare Strength — Healthcare coverage is portrayed as comprehensive from day one, with multiple plan options, mental health resources, and virtual care. Wellness supports such as on‑site services and preventive programs are also highlighted.
  • Flexible Benefits — Work arrangements often include compressed schedules and telework, contributing to a favorable work‑life balance. Feedback suggests this flexibility is a key reason many view the overall package positively.

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The Company
HQ: Bethesda, MD
108,588 Employees
Year Founded: 1912

What We Do

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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