Mechanical Design Engineer Sr - E3

Posted 2 Days Ago
Be an Early Applicant
Littleton, CO, USA
In-Office
96K-178K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Designs, develops, integrates, tests, and supports mechanical structures and propulsion components for aerospace and defense systems. Performs design trades, maintains engineering drawings and specifications, supports subsystem integration, coordinates with suppliers and manufacturing teams, and presents technical analyses to customers and engineering stakeholders. Work spans development, production, testing, and sustainment, with emphasis on flight hardware, requirements verification, tolerance analysis, and technical problem solving.
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 Mechanical Engineer in the Structures and Propulsion organization your duties will include supporting the design, manufacture, procurement and test for the structure and propulsion subcomponents and assemblies, either in an oversight role for supplier-provided components, or as a direct production interface for in-house components. This job requires coordinating with customers, suppliers, test facilities, and other related disciplines including manufacturing, subcontracts, quality, structure design, analysis, systems engineering, and integration with affected subsystems and facilities. Other duties may include:

• Assist in the conceptual development, requirements definition, and design of structures and propulsion components and subsystems
• Perform trade studies to select the appropriate design solution
• Maintain engineering drawings, specifications, and technical analyses to support systems and components
• Work on a multi-disciplinary team performing design trades, detailed design/analysis activity and performance and maintenance assessments of operational systems
• Provide user documentation and recommendations to data packages to support peer and customer reviews, present analysis data to engineering teams, customer technical representatives, and Program Office personnel at technical interchange meetings and design reviews
• Support Subsystem Integration tasks and information requests on an as-needed basis
• Collaborate effectively with adjacent fields (systems engineering, electronics, stress/thermal analysis, configuration management, production, test, quality…)


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

• Bachelor’s degree or higher in Mechanical or Aerospace Engineering or related discipline or equivalent experience/combined education
• Solid understanding of Mechanical / Propulsion Engineering fundamentals including structures, mechanisms, propulsion systems and/or materials
• Progressive experience in the design, development, and/or integration of complex aerospace or defense systems
• Proficiency in industry standard CAD (Creo, Catia, AutoCad) software
• Proficiency in Microsoft Office applications
• Ability to obtain and maintain a Secret security clearance - must be a U.S. Citizen

Desired Skills

• Deep technical understanding of missile system disciplines, including but not limited to:
- Structural systems
- Propulsion Systems
- Thermal protection systems
- System integration and testing
- Non-conformance disposition in a Quality Management system
• Flight Hardware Design experience
• Experience with tolerance stack analysis
• Knowledge of other disciplines (i.e. - stress, dynamics, thermal analysis, production, ATLO, electronics)
• Knowledge of Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5
• Proven ability to effectively manage and complete complex technical problems
• Experience with requirement definition, documentation and verification
• Experience operating through the full lifecycle development process with an emphasis on development, production, and sustainment
• Excellent verbal/written communication, presentation and interpersonal skills with technical and non-technical audiences
• Active Secret clearance 

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

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 or higher in Mechanical Engineering, Aerospace Engineering, a related discipline, or equivalent experience and combined education
  • Solid understanding of mechanical and propulsion engineering fundamentals, including structures, mechanisms, propulsion systems, or materials
  • Progressive experience designing, developing, or integrating complex aerospace or defense systems
  • Proficiency with industry-standard CAD software such as Creo, CATIA, or AutoCAD
  • Proficiency with Microsoft Office applications
  • Ability to obtain and maintain a Secret security clearance
  • U.S. citizenship
  • Technical understanding of missile system disciplines, including structural systems, propulsion systems, thermal protection systems, and system integration and testing
  • Flight hardware design experience
  • Experience with tolerance stack analysis
  • Knowledge of stress, dynamics, thermal analysis, production, ATLO, or electronics disciplines
  • Knowledge of GD&T per ASME Y14.5
  • Experience defining, documenting, and verifying requirements
  • Experience across the full lifecycle development process, including development, production, and sustainment
  • Experience with non-conformance disposition in a Quality Management system
  • Excellent verbal, written, presentation, and interpersonal communication skills
  • Active Secret security clearance
  • Proficiency in AI prompting as applied to the position and practice

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.

Lockheed Martin Insights

Am I A Good Fit?
beta
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

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.

Similar Jobs

Luxury Presence Logo Luxury Presence

Finance Manager

Marketing Tech • Real Estate • Software • PropTech • SEO
Easy Apply
Remote or Hybrid
United States
500 Employees
160K-185K Annually

Samsara Logo Samsara

Consultant

Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
Easy Apply
Remote or Hybrid
United States
4000 Employees
89K-135K Annually

Samsara Logo Samsara

Account Manager

Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
Easy Apply
Remote or Hybrid
United States
4000 Employees
51K-69K Annually

Vantor Logo Vantor

Strategic Account Manager

Aerospace • Artificial Intelligence • Computer Vision • Software • Analytics • Defense • Big Data Analytics
In-Office
3 Locations
2500 Employees
240K-387K Annually

Similar Companies Hiring

Amalgamated Sugar Thumbnail
Food • Greentech • Agriculture • Industrial • Manufacturing
Boise, Idaho
768 Employees
Outpost Space Thumbnail
Aerospace • Defense
Los Angeles, California
38 Employees
Revel Thumbnail
Aerospace • Hardware • Robotics • Software
Marina Del Rey, California
70 Employees

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account