Software Engineer Sr

Lockheed Martin
Boulder, Colorado, United StatesFull-time$110,300–$204,900Posted Sep 18, 2026

About the role

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.

The ground software depot team is looking for an experienced software engineer to support the Next Gen GEO program's command and control software in operations. This position will work within a 5-6 person agile team to support the command and control product through the transition into and through operations, providing on-demand support as necessary.

In This Role You Will

Maintain and test the software codebase

Coordinate with the Hardware, Network, and DevSecOps teams to rapidly troubleshoot and resolve system issues

Work defects and mods to the codebase to deliver a release to the customer

Attend root cause analysis and failure reviews, representing the ground command and control team

Respond to issues in an on-call posture, including evening and overnight hours as necessary

Basic Qualifications

Active Top Secret clearance

Ability to receive and maintain TS/SCI clearance

Experience in software design and development

3+ years of C++/C programming experience

Linux OS background/experience developing in a Linux environment

Desired Skills

Previous experience with Command and Control software for satellite systems

Experience working with DoD customers

Experience working at a DoD site

Demonstrated understanding of agile development within a scrum team

Experience with CI/CD tools such as Jenkins, GitLab CI, etc.

Pay Information

Full-Time Salary Range: $110300.00 - $204900.00

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

  • Maintain and test the software codebase
  • Coordinate with the Hardware, Network, and DevSecOps teams to troubleshoot and resolve system issues
  • Work defects and mods to the codebase to deliver a release to the customer
  • Attend root cause analysis and failure reviews
  • Respond to issues in an on-call posture

Qualifications

  • Active Top Secret clearance
  • Ability to receive and maintain TS/SCI clearance
  • Experience in software design and development
  • 3+ years of C++/C programming experience
  • Linux OS background/experience developing in a Linux environment

Benefits

  • Medical
  • Dental
  • Vision
  • Flexible work arrangements and schedules
  • 401(k) match
  • Paid time off
  • Holidays
  • Parental Leave
  • EAP
  • Flexible Spending Accounts
  • Education Assistance
  • Life Insurance

Skills mentioned

C++CLinuxSoftware TestingDebuggingCI/CDJenkinsGitSystem DesignIntegration Testing

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