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Sr Staff Software Engineer

Lockheed Martin
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Colorado Springs, CO, USA
Sep 21, 2026

Standard Job Description

What We're Doing
Our team at Lockheed Martin, is dedicated to engineering, developing, and integrating new capabilities for the Missile Defense System that protects the United States and its allies. While we are part of a large organization, we operate within smaller, agile teams in a fast-paced, dynamic environment. Our responsibilities include Sensor/Weapon Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security, and enhancing critical missile defense technologies.

The Work
Lockheed Martin is seeking a software engineer that will thrive in a fast paced team environment in the design, development, and testing of software applications. Under minimal direction, provides specialized expertise within multiple systems, software disciplines, as well as general knowledge of related disciplines, applications implications, and customer areas. Common responsibilities of a software engineer on the agile development teams include:
-Design and develop new Java applications; Maintain existing Java applications
-Support software testing and resolution of issues from multiple baselines
-Perform in-depth analysis and technical support of systems software products, including complex problem resolution
-Works from system specifications to develop or modify operating systems applications
-Assist with design, coding, benchmark testing, debugging and documentation of programs
-Interface with other system support groups
-Generate software design artifacts and support design and code reviews

Please Note:
-This position requires a government security clearance; you must be a U.S. Citizen for consideration. 
-The role will involve approximately 10% travel to customer sites throughout the U.S.

Why Join Us
-Excellent benefits and amenities.
-Ongoing career development and support.
-Rewards and recognition for your hard work.
-Medical and dental coverage.
-401k retirement savings plan.
-Paid time off for work/life balance.
-Mentorship opportunities

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.

Basic Qualifications

-A final secret clearance is required for consideration 
-Demonstrated proficiency with at least one modern software language such as C++, C, C#, and/or Java (Preferably C++)
-Experience with Red Hat Enterprise Linux (RHEL)
-Proficiency in a Version Control System (Git)
-Software development on a Linux environment
-Experience with one or more of the following: Python, JavaScript, HTML
-Strong analytical/problem solving abilities; effective communication for cross team coordination; Experience with JIRA and Confluence

Desired Skills

-Experience in automation with Ansible
-Containerization Experience 
-Microservice Experience
-Software design/architecture experience
-Hardware/software integration and test experience
-Experience in design and development of software applications.
-Experience in developing new capabilities into a legacy software system.
-Experience in software analysis against performance requirements.
-Experience in optimizing software applications for performance.
-Experience in development of complex mathematical algorithms from whitepapers or algorithm design documentation.
-Experience resolving cyber/security issues identified by Fortify/SonarQube/etc.
-Experience using Eclipse to develop software applications.
-Experience using Maven/Gradle or other software build tools.
-Experience using automated unit testing frameworks.
-Security+ or equivalent certification is a plus.
-Proficient in AI prompting as it applies to this position and practice

Pay Information

Full-Time Salary Range: $148300.00 - $275500.00

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.

Job ID

996476200348|loc2

Security Clearance

SECRET
About Lockheed Martin

The F-35, PAC-3, and the GOES weather satellite...What do all of these technologies have in common? Talented people, our employees are the core of our business here at Lockheed Martin. As the leading global security, aerospace and information technology company-and the largest provider of IT services, systems integration & training to the U.S. government-we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

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