Software Engineer Sr - E3

Plans, conducts, and coordinates software-development activities. Designs, develops, documents, tests, and debugs software that provides logical and mathematical solutions to business or mission problems. Applies appropriate standards, processes, procedures, and tools throughout the development life-cycle. Leverages knowledge of computer hardware, software, and domain-specific requirements to create robust applications. Corrects program errors, prepares operating instructions, compiles documentation, and analyzes system capabilities to resolve questions of intent, output requirements, input data acquisition, programming techniques, and controls. Ensures adherence to software standards.

What You’ll Be Doing

As a Software Integration Engineer, you will drive the full technology-development lifecycle-from system and software design to automation tooling, infrastructure upgrades, and seamless software integration. You will work across diverse host environments, including aircraft software, high-fidelity simulators, and lab setups that combine constructive simulations, physical hardware, and system-level models.

Core Responsibilities

Develop, integrate, support, and debug cutting-edge software across multiple platforms.

Own and troubleshoot CI/CD pipelines, ensuring builds are fast, reliable, and reproducible.

Champion virtual development labs and aircraft-software workflows, keeping them agile and user-friendly.

Design and build automation frameworks using open-source, commercial, and in-house tools, experimenting with the latest technologies.

Participate daily in scrums, sprint reviews, and technical demos, sharing progress and insights with the team.

Why This Role Is Exciting

Join a high-performing, multi-program team where every day brings a new technical challenge.

Collaborate with engineers, scientists, and customers, sharpening communication and problem-solving skills.

Directly influence automation infrastructure, software integration, and build processes that power critical aerospace programs.

Proven experience in planning, prioritizing, and executing tasks efficiently.

Strong communication skills and the ability to work across organizational boundaries., * Bachelor’s degree or above from an accredited college/university in a STEM discipline (or equivalent experience)

• Experience developing software on Linux

• Experience with simulation software Environments

• Experience programming in C++ and/or Java

Desired Skills

• Experience with CI tools, such as Jenkins, GitLab, or Bitbucket

• Experience with Real-time software development and integration

• Experience programming in Python

• A strong interest in supporting software development for airborne systems

• Experience with aircraft sensors, datalinks, navigation, and/or weapons

• Experience with Open Mission Systems

• Experience leading software projects

Passion for tackling complex problems, learning new technologies, and delivering high-quality results.

Benefits & Work-Life Balance

Three-day weekends every week.

Flexible work schedules - onsite, remote, or hybrid.

Comprehensive benefits package (health, retirement, tuition assistance, etc.).

Access to Lockheed Martin’s career-development resources and a culture that encourages growth-mindset thinking and innovation.

Eligibility

Must be a U.S. citizen.

Position requires a government security clearance; an Interim Secret clearance is required to start.

The facility has special access requirements.

About Lockheed Martin Aeronautics

At Lockheed Martin Aeronautics, we push the boundaries of aerospace engineering-from designing the most advanced air vehicles to creating aircraft that redefine what’s possible. Our engineers live on the cutting edge of technology, shaping the future of flight., 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.