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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Ground Software System Engineering I&T Lead - AHT - **Company:** Northrop Grumman - **Location:** Redondo Beach, CA, United States - **Experience:** Expert - **Salary:** $114,000.0 - $213,400.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, Software as a Service, Software Debugging, Distributed Systems, Amazon DynamoDB, Hardware-In-The-Loop Simulation, Python (Programming Language), Software Architecture, Rapid Prototyping Process, Software Engineering, Software Systems, Systems Modeling Language, ReactJS, AWS Lambda, Backend, SC Clearance, Api Gateway - **Published:** August 5, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=762147f88ccfdfc3 ## About the Role * For Principal Software Engineer (Level 3) + Bachelor's degree in a STEM discipline with 5+ years of relevant software engineering experience or Master's degree in a STEM discipline with 3+ years of stated experience or Ph.D. in a STEM discipline with 1+ years of stated experience. * For Sr. Principal Software Engineer (Level 4) + Bachelor's degree in a STEM discipline with 8+ years of relevant software engineering experience or Master's degree in a STEM discipline with 6+ years of stated experience or Ph.D. in a STEM discipline with 4+ years of stated experience. * Active U.S. Government Secret clearance required at the time of application. * Experience with mission-critical ground software. * Experience with cloud-based software systems. * Experience with software design and/or software systems modeling tools. * Experience with mission planning workflows, with a proven track record of creating solutions that integrate operational constraints and real-world mission requirements. * Demonstrated ability to debug, troubleshoot, and integrate large-scale distributed systems. * Direct experience supporting or developing products for satellite constellations or ground systems., * Experience developing or defining software architecture and detailed CONOPs for proliferated constellations and their associated ground systems, including mission planning, data telemetry, and command-and-control workflows. * Experience with software and system design using Cameo. * Experience with SysML or UAF. * Experience with CI/CD pipelines. * Comprehensive understanding of zero-trust security architectures and application of secure-by-design principles in mission-critical software development. * Strong background in multi-tenant and plug-and-play ground system concepts, including cloud-native implementation with tools like AWS Lambda, DynamoDB, or API Gateway. * Familiarity with compatibility testing and hardware-in-the-loop environments, ensuring operational readiness and reliability under realistic mission conditions. * Knowledge or certification in agile development methodologies, with experience working on iterative design and rapid prototyping to respond dynamically to evolving mission architectures. ## Description * Serve as a key interface with external stakeholders, representing Northrop Grumman (NG) in meetings with customers and external program integration partners. * Design, develop, and integrate mission-critical ground software, including cloud-based backend systems (e.g., Python) and operator-facing front-end tools (e.g., ReactJS or similar frameworks). * Develop modular, reusable architectures that reduce overall code footprint while improving maintainability and scalability. * Apply strong problem-solving skills to quickly understand and address complex technical concepts. * Prepare charts, present data, and provide recommendations to internal teams, program leadership, and external customers, demonstrating excellent written and verbal communication skills. * Manage tasking and mentor team members across multiple program schedules with tight deadlines. ## Related Videos - [Server Side Serverless in Swift](https://www.wearedevelopers.com/videos/133-server-side-serverless-in-swift) - [Watch Tests Go Brrrr! 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