Software Engineer Sr - E3
Sikorsky Aircraft
Littleton, CO · Posted November 2, 2026
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About the job
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.
We are looking for software engineers to craft and build innovative solutions for our customers. You will be part of an Agile team that utilizes state of the art commercial standard methodologies such as DevSecOps (automated testing, continuous integration, automated deployment, etc.) and modern development tools.
You will participate in progressing system capabilities from early design through site acceptance focused on software reuse, COTS/FOSS integrations, and innovative, affordable best practices. As a member of a hard-working team that are passionate about their trade, focused on mission and system quality, and supportive of timely delivery of features and capabilities. Be able to demonstrate effective communication skills and a desire to have fun with your work.
As Ground Software Engineer: • You will design, implement, test, and maintain object-oriented ground system software applications using Java, C#, Rust, Angular, Python • You will support modernization efforts geared toward achieving greater efficiency, security, automation and scalability • You will collaborate with an enthusiastic team of software, systems, and test engineers using the Agile Development methodology
Selected candidates will be required to possess Active Top Secret with adjudicated SCI Eligibility (i.e. TS/SCI) prior to starting employment.
Basic Qualifications
Strong Software Development, Software Engineering background, with a track record of successful project delivery
Experience developing ground subsystems
Demonstrated expertise in Scaled Agile development methodologies, with excellent communication skills for effective collaboration and teamwork across Agile Development Teams
Active TS Clearance required for consideration with the ability to obtain an SCI
Desired Skills
Meaningful experience designing and implementing software solutions using the following technologies: Java, C#, Rust, Python, Apache Kafka, Apache ActiveMQ, ELK Stack/OpenSearch, PostgreSQL, Redis, Helm, Kubernetes
Cloud/containerization experience with a good understanding of distributed systems and designing for scalability
Experience developing microservices
Proficient in using Git for version control and collaboration
Working knowledge of DevSecOps Pipelines
Excellent understanding of Agile Methodologies as they relate to the Scaled Agile Framework
Experience with Agile, automated test, CI/CD, and regression testing
Strong problem-solving skills applied to software engineering solutions
Experience with back end development and algorithms
Previous experience delivering highly reliable Communications / Ground subsystems
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.