Senior Software Engineer Level 3

Posted 13 Hours Ago
Be an Early Applicant
Fort Worth, TX, USA
In-Office
98K-182K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Designs and maintains Python-driven test automation infrastructure integrated with C/C++ flight software across simulated, hardware-in-the-loop, and laboratory environments. Develops reusable CI, testing, and analysis tooling; supports software build pipelines and virtual labs; documents architecture and procedures; collaborates with aircraft, simulation, and systems engineers; and leads small software teams through Agile ceremonies. Requires advanced Python, testing, Linux, Windows, and software infrastructure experience, with eligibility for an interim Secret clearance.
Summary Generated by Built In
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.

Lockheed Martin Aeronautics delivers breakthrough aircraft (F 35, F 22, F 16, AMMM, and Skunk Works®). The Framework Integration Team (FIT) is a software automation team that implements and maintains a cross platform Test Automation Framework that enables rapid, repeatable testing of flight software across multiple airframes. We are looking for a Software Engineer Sr to join our mission!
What You Will Be Doing:
Your responsibilities will support the technology development lifecycle, including:
• Design & develop test automation infrastructure (Python driven) that integrates with a C++ codebase and supports simulated, hardware in the loop, and laboratory environments.
• Create, maintain, and extend reusable tooling (open source, commercial, and in house) for continuous integration, test execution, and result analysis.
• Support virtual development labs and aircraft software build pipelines, ensuring reliable delivery of test artifacts to external software teams.
• Lead small software sub teams (2 5 engineers) through sprint planning, daily scrums, sprint reviews, and technical demos.
• Collaborate with multi program stakeholders (aircraft, simulation, and systems engineers) to gather requirements, troubleshoot failures, and drive automation improvements.
• Document architecture, usage guides, and troubleshooting procedures for internal and external teams.
• Participate in inter organizational customer interactions to align automation capabilities with program needs.
Who You Are:
• A proactive problem solver who plans, prioritizes, and executes tasks to keep automation projects on schedule.
• An effective communicator who can translate complex technical concepts to diverse stakeholders and thrive in frequent inter organizational interactions.
• A collaborative leader comfortable guiding small software teams through agile ceremonies while also delivering high quality work independently.
• Passionate about aircraft software and test automation, with a strong interest in advancing cross platform testing capabilities.
• Experienced with Python, C/C++, Linux, and Windows environments, and eager to expand expertise in CI/CD pipelines and tooling.
• U.S. citizen able to obtain and maintain an interim Secret clearance.
What’s In It For You:
3 day weekends every weekend!
We offer flexible work schedules to comprehensive benefits investing in your future and security, Learn more about Lockheed Martin’s comprehensive benefits package here.
At Lockheed Martin Aeronautics, we're taking innovation to the next level. From designing the most advanced air vehicle to designing aircraft that defies gravity, our engineers live on the cutting edge of technology. aerosw
Basic Qualifications

• Bachelor's degree or above from an accredited college/university in a STEM discipline (or equivalent experience)
• Proven experience with software unit testing and/or integrated software system testing
• Proven advanced Python development experience.
• Strong background with Linux and Windows environments.
• Demonstrated ability to design, build, and operate software infrastructure and libraries for test automation.

Desired Skills

 Experience with CI tools, such as Jenkins, GitLab, or Bitbucket
• Experience with automation tools and development
• Experience programming in C/C++ and other languages.
• Experience with debugging tools and methodologies
• A strong interest in supporting software development for avionics systems
• Experience designing, building, and maintaining high availability software infrastructure supporting large scale user bases and cross functional product line integrations.

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 or higher in a STEM discipline from an accredited college or university, or equivalent experience
  • Proven experience with software unit testing and/or integrated software system testing
  • Advanced Python development experience
  • Strong background with Linux and Windows environments
  • Experience designing, building, and operating software infrastructure and libraries for test automation
  • U.S. citizenship
  • Ability to obtain and maintain an interim Secret clearance
  • Experience with CI tools such as Jenkins, GitLab, or Bitbucket
  • Experience with automation tools and development
  • Experience programming in C/C++ and other languages
  • Experience with debugging tools and methodologies
  • Interest in supporting software development for avionics systems
  • Experience designing, building, and maintaining high-availability software infrastructure for large user bases and cross-functional integrations

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.

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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.

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