Software Engineer Sr - E3

Lockheed Martin
Fort Worth, Texas, United StatesFull-time$98,100–$182,100Posted Aug 27, 2026

About the role

Standard Job Description

As a PTMS/Propulsion Software Engineer Sr you will be responsible for support of PTMS and Propulsion through its entire lifecycle. Your responsibilities will include:

Develop functional and physical architecture definitions

Develop and maintain detailed software requirements for PTMS and Propulsion.

Develop and test required hardware/software integration tests within a lab environment.

Develop models of the system in order to test software fixes with real aircraft data

Collaborate with cross functional engineers to troubleshoot systemic issues as well as aircraft faults.

Query fleet data and use data analytics to establish system level requirements based on fleet utilization.

Basic Qualifications

Bachelor’s degree or above from an accredited college in Computer Science, Computer Engineering, Software Engineering, or a related STEM discipline

Experience with MATLAB/Simulink scripting and modeling

Experience with C, C++, C# or a related language

Experience with software requirements development

Experience with software/hardware integration and testing

Desired Skills

Active Secret Government Security Clearance

Experience with Agile methodologies

Ability to work in a dynamic, collaborative, and team-based environment

Experience with Jira, Git, GitLab, and CI/CD concepts

Experience with Visual Studio

Knowledge of embedded computer architectures and hardware

Experience with SIMON test development environments

Problem solving software and hardware issues, inquisitive, analytical, detail-oriented, problem-solver

Looking for an analytical and methodical individual who enjoys troubleshooting complex technical issues.

Pay Information

Full-Time Salary Range: $98100.00 - $182100.00

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.

Responsibilities

  • Develop functional and physical architecture definitions
  • Develop and maintain detailed software requirements for PTMS and Propulsion
  • Develop and test required hardware/software integration tests within a lab environment
  • Develop models of the system in order to test software fixes with real aircraft data
  • Collaborate with cross functional engineers to troubleshoot systemic issues as well as aircraft faults
  • Query fleet data and use data analytics to establish system level requirements based on fleet utilization

Qualifications

  • Bachelor’s degree or above from an accredited college in Computer Science, Computer Engineering, Software Engineering, or a related STEM discipline
  • Experience with MATLAB/Simulink scripting and modeling
  • Experience with C, C++, C# or a related language
  • Experience with software requirements development
  • Experience with software/hardware integration and testing

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

Skills mentioned

C++MATLABSystem DesignIntegration TestingSoftware TestingGitCI/CDEmbedded SystemsDebuggingData Analysis

About Lockheed Martin

The world relies on what we do. Headquartered in Bethesda, Maryland, with offices across the U.S. and around the globe, our team delivers solutions that strengthen national security, shape industries and push engineering and technology to new levels. We collaborate to win. We put our customers first. And we perform with excellence. The best careers are built at Lockheed Martin. Join us.

Defense and Space Manufacturing10,001+ employeesBethesda, MD

H-1B sponsorship history

Historical employer filing data was found for Lockheed Martin. The employer record includes 5 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.