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Mechanical Systems Engineer Sr

Lockheed MartinHuntsville, ALPosted Aug 31, 2026 · open 56 days

Last confirmed open Oct 26, 2026

Full-timeSeniorSecret$85K - $158K

Before you apply

U.S. citizenship required
Only U.S. citizens can be hired for this role.
Secret clearance
The employer will sponsor the clearance.
Bachelor's degree
The lowest degree the posting accepts.

Standard Job Description

What We're Doing
Become a part of something IMPACT-ful! Ground Missile Defense (GMD) is the heart of the Missile Defense System and a key element of our nation’s defense against ballistic missile attacks.
Who We Are
Lockheed Martin is a global aerospace, defense, and security company dedicated to advancing scientific discovery and harnessing innovation to make the world a safer place. Our RMS business in Huntsville, AL is a hub of talented engineers, scientists, and professionals committed to shaping the future of defense technology. We value collaboration, excellence, and integrity in everything we do. As a part of our team, you will work alongside like-minded individuals dedicated to pushing the boundaries of what's possible.

The Work

The selected Engineer responsibilities will include the support of the Ground Weapons System (GWS) program as an individual contributor on the HWE environmental team. This role is responsible for ensuring compliance of the GWS system design with hardware requirements, through equipment evaluation and design guidance and analysis products. This role directly supports the design and development of the GWS capability on behalf of the Missile Defense Agency (MDA).
Why Join Us
-Your Health, Your Wealth, Your Life
-Our flexible schedules, competitive pay and comprehensive benefits enable you to live a healthy, fulfilling life at and outside of work.

Standard Job Description

Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications.

Basic Qualifications

  • BS in Mechanical Engineering and minimum from an accredited university and 4 years of related experience, or a Master's STEM Degree and 1 years of related experience, or 0 years of experience with a PhD.
  • Candidate must be able to obtain a US Interim Secret security clearance, this requires US citizenship.
  • 4 years of recent design experience using a 3D CAD Package such as SolidWorks, Creo, or NX
  • Experience drafting & reviewing 2D mechanical drawings per ASME standards
  • Prior experience with engineering PLM systems such as Teamcenter and MRP system such as SAP.

Desired Skills

  • Familiarity with MIL-STD-810, MIL-STD-1366, MIL-STD-1472, ASME Y14.5, ASME Y14.100, MIL-STD-31000, MIL-STD-461
  • Familiarity with the GMD domain and GMD Launch Support Systems hardware

Pay Information

Full-Time Salary Range: $85300.00 - $158300.00

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.

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Job Details
Location
Huntsville, AL
Salary
Full-Time Salary Range: $85300.00 - $158300.00
Type
Full-time
Level
Senior
Experience
4+ years
Posted
Aug 31, 2026
Required Skills
Mechanical Engineering3D CADSolidWorksCreoNX2D mechanical drawingsASME standardsPLM systemsTeamcenterMRP systemsSAPSystems EngineeringSystem IntegrationVerification and ValidationRequirements Allocation
Preferred Skills
MIL-STD-810MIL-STD-1366MIL-STD-1472ASME Y14.5ASME Y14.100MIL-STD-31000MIL-STD-461GMD domainGMD Launch Support Systems
Benefits
  • 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
  • Long-Term Disability

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