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Software Engineer Sr - E3

Lockheed Martin · lockheedmartin.com
King of PrussiaHybridSenior2–3 yrs
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The job in short

Senior software engineer.

PythonJavaJavaScriptC++C#ScrumCybersecurityNetworking

Details

Found
25 d ago · posted 2026-10-01
Location
King of Prussia, PA, US
Pay (as listed)
$122,600–$227,600 a year

Full description

## Standard Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. The selected candidate will support the Space Data Networking Experimentation (SDNX) risk reduction for the fielding of a future Hybrid Space Network (HSN) by prototyping an advanced hardware network appliance and a software lifecycle network management system for use with software defined networking technology. LM shall develop and prototype key components of the HSN architecture and shall be responsible for providing the core network management system, our Horizon enterprise software, and SpaceMesh Orchestrator while leveraging our cybersecurity/RMF capabilities. The primary SDNX goals for LM are to prototype and deliver an open, standards-based framework, ensuring full interoperability with Government-provided third-party components, and to demonstrate integrated HSN operations. In this role as Scrum Master, the candidate will have proven ability to lead cross functional teams and influence without direct authority. Prior experience as a Systems or Software engineer with domain knowledge of ground systems, networks, and integration & test of enterprise software products is required. 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. Proficient in AI prompting as it applies to this position and practice ## Basic Qualifications Prior experience with satellite ground systems design, development, integration, and test Experienced in software development using programming and scripting languages such as C++, Java, JavaScript, C#, Python, etc. Experience working in an Agile development environment, including tools such as Jira and Confluence Experience in Project Management and/or leadership of systems or software teams 2-3 years of professional experience in a planning/scheduling or related capacity Experience using a program planning tool (e.g. Microsoft Project, Open Plan Professional, or a comparable program/project planning tool) No clearance required prior to start. Ability to obtain and maintain a Top Secret clearance. ## Desired Skills Demonstrated ability to team across organizational boundaries and geographical locations to collaborate with and influence others Experience in a fast-paced environment in technical teams across virtual environments. Excellent verbal & written communication skills Strong knowledge of modern technology frameworks, IP networking, cloud platforms (AWS, Azure, GCP), microservices, APIs, DevOps, and data architecture Experience in application containerization (e.g. Docker, Kubernetes, Helm, etc.) in a cloud environment (AWS/Azure/Openstack/Openshift) Experience with enterprise software products including Horizon, HADES and SpaceMesh Orchestrator Experience with space data networking SAFe Agile Scrum Master, Product Owner or Product Manager Certified Ability to work directly with Government customers and FFRDC stakeholders Support occasional business travel (up to 25%) Ability to obtain a Clearance Pay Information GeoZone Definition: GeoZones are geographic groupings created by Lockheed Martin to align compensation ranges with regional labor markets and cost-of-labor differences across the United States. Locations are assigned a Geo Zone based on the primary work location of the role. * Full-time salary range (GEOZONE 1): $122600.00 - $227600.00 * Includes metropolitan areas such as Sunnyvale CA; Pal Alto, CA; New York City metropolitan area; Newark, New Jersey; etc. * Full-time salary range (GEOZONE 2): :$110300.00 - $204900.00 * Includes metropolitan areas such as Denver, CO; King of Prussia, PA; Stratford, CT; Moorestown, NJ; etc. * Full-time salary range (GEOZONE 3): :$98100.00 - $182100.00 * Includes metropolitan areas such as Dallas–Fort Worth, TX; Orlando, FL; Grand Prairie, TX; Marietta, GA; etc. * Full-time salary range (GEOZONE 4): :$88300.00 - $163900.00 * Includes metropolitan areas such as Camden, AR; Lexington, KY; Ocala, FL; Lufkin, TX; etc. 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.

Software Engineer jobs in King of Prussia, Pennsylvania · Software Engineer jobs in the United States · All Lockheed Martin jobs · Senior Software Engineer jobs in King of Prussia, Pennsylvania · Senior Software Engineer jobs in the United States · Senior and manager-level jobs in King of Prussia, Pennsylvania

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