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.
The GMD Weapon System (GWS) processes data from multiple sensors to identify and characterize the inbound ballistic missile threat, plans the best defensive solution, and launches the intercepting missiles to negate the threat.
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.
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.
The Work
The selected Principal Test Engineer responsibilities will include the support of the GWS-GSS IPT. You will design, develop, test, and maintain software applications and components to meet program and customer requirements. Collaborate with cross-functional teams to troubleshoot issues, implement enhancements, and ensure reliable software performance.
Standard Job Description
Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle. Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met.
- Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 5 years of related experience or a Master's degree in a STEM discipline and 3 years of experience.
- Experience developing software in C++ and Java
- Experience with Python or other scripting languages.
- Experience with automated testing
- Applicants must have a current active in-scope U.S. Government DoD issued Secret security clearance at the time of application which is required to start.
- Familiarity with Agile software development practices.
- Experience with low level software to hardware interfaces
- Experience with CMake
- Experience with gRPC
- Sec+
- A current active in-scope U.S. Government DoD Top Secret security clearance.
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.
Skills Required
- Bachelor's degree in a STEM discipline from an accredited university and 5 years of related experience
- Master's degree in a STEM discipline and 3 years of experience
- Experience developing software in C++ and Java
- Experience with Python or other scripting languages
- Experience with automated testing
- Current active in-scope U.S. Government DoD Secret security clearance at application and start
- Familiarity with Agile software development practices
- Experience with low-level software-to-hardware interfaces
- Experience with CMake
- Experience with gRPC
- Security+ certification
- Current active in-scope U.S. Government DoD Top Secret security 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.
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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.
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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.
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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
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.
