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Systems Engineer Sr - E3

Lockheed MartinHuntsville, ALPosted Sep 21, 2026 · open 35 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.

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.
The Engineering & Technology organization is a highly dynamic and growing organization that plays a vital role in providing mission-critical solutions to our customers. Come be a part of the development of the new Long Range Hypersonic Weapon (LRHW). Join the Lockheed Martin team and be a part of the company that has developed and flown more hypersonic vehicles than any other U.S. Company and has decades of hypersonic development and flight test experience from government contracts as well as internal investments in research and development projects. This position is for a System Engineer to support the LRHW System Engineering, Integration & Test organization. You will help design, develop, and innovate technical solutions for soldier utilized ground systems.

Learn more about our Hypersonic Solutions and the Long Range Hypersonic Weapon (LRHW) program
This position requires strong communication skills, and the ability to work both independently and in a team environment, and to interface with software developers, test engineers, other system engineers, program management, quality assurance engineers, and customer representatives.

Lockheed Martin is seeking a System Engineer for a position in Huntsville, AL.

Basic Qualifications

  • Experience and full knowledge of processes in one or more of the following areas:
    - Trade Studies
    - Systems Engineering approach and processes
    - Requirement definition, decomposition, and allocation
    - Interface definition (ICD, IBDs, IDDs)
    - Performing System Integration
    - Support to major reviews
    - Writing Specifications
  • Working Knowledge of Cameo/ Model Based Systems Engineering (MBSE)
  • Experience in an integrated team, covering the full Systems Engineering Development Lifecycle.
  • Ability to work onsite in Huntsville, Alabama
  • Candidate must be able to obtain a DoD Secret Security Clearance. Obtaining a security clearance requires US Citizenship

Desired Skills

  • Capable of working both independently and within a small team environment.
  • Knowledge and application of systems engineering processes across the full product life cycle (to include proposal, design, qualification, requirements verification/validation, production and field support)
  • CONOPS or Architecture Development
  • Familiarity with DOORs
  • Support and conduct formal and informal engineering technical reviews
  • Strong verbal and written communication skills, including the ability to brief senior leaders and translate complex topics into actionable recommendations
  • Active or Current Secret Security Clearance; US Citizenship Required

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
Posted
Sep 21, 2026
Required Skills
Trade StudiesSystems EngineeringRequirement definitionRequirement decompositionRequirement allocationInterface definitionICDIBDsIDDsSystem IntegrationMajor reviewsWriting SpecificationsCameoModel Based Systems Engineering
Preferred Skills
CONOPSArchitecture DevelopmentDOORSEngineering technical reviews
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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