> Markdown version of [/jobs/ext/3385973-ground-software-integration-engineer-level-3-or-4-aht](https://www.wearedevelopers.com/jobs/ext/3385973-ground-software-integration-engineer-level-3-or-4-aht). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Ground Software Integration Engineer (Level 3 or 4) - AHT - **Company:** Northrop Grumman - **Location:** Redondo Beach, CA, United States - **Salary:** $114,000.0 - $171,000.0 - **Contract:** Permanent contract - **Skills:** Data Presentation, Data Security, Network Interface Controllers, Internet Protocol Security (IP SEC), Interoperability, Network Protocols, Satcom, Software Engineering, Data Streaming, Systems Integration, TCP/IP - **Published:** September 10, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9155088/ground-software-integration-engineer-level-3-or-4-aht ## About the Role * 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. * 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 DoD Secret clearance at the time of application. * Experience with ground system interfaces and integration (preferably with GEPs, Telemetry, Tracking, & Command (TT&C), SATCOM, or other ground communication assets). * Demonstrated experience developing, interpreting, or maintaining Interface Control Documents (ICDs). * Strong understanding of network protocols, data formats, and ground communications architectures. * Experience coordinating technical requirements and issue resolution with external service providers or vendors., * Hands-on experience integrating with commercial GEP service providers or equivalent commercial ground stations. * Familiarity with automated ground contact scheduling, data routing, and mission data flows. * Experience with secure data exchange (encryption, IPsec, cross-domain/data diode integration). * Strong knowledge of protocol standards (CCSDS, SLE, TCP/IP, Ka/S-band satellite comms). * Experience with mission operations tools, network planning, or orchestration software. * Ability to support ICD update cycles, participate in technical interchange meetings (TIMs), and drive interface verification/test campaigns. ## Description * Leading and supporting Ground Entry Point (GEP) services integration, developing and managing Interface Control Documents (ICDs), and acting as the primary technical interface with commercial GEP providers. * Ensuring seamless interoperability for mission operations, ground communications, and secure data flows. * Applying strong problem-solving skills to quickly understand and address complex technical concepts. * Preparing charts, presenting data, and providing recommendations to internal teams, program leadership, and external customers, demonstrating excellent written and verbal communication skills. * Managing tasking and mentoring team members across multiple program schedules with tight deadlines. *Please be aware that this position will be contingent upon obtaining and maintaining customer and/or business funding* ## Related Videos - [Designing UX for SRE Agents in High-Stakes Incidents](https://www.wearedevelopers.com/videos/100003-designing-ux-for-sre-agents-in-high-stakes-incidents) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Crypto-secure Data Management with In-Database Blockchain](https://www.wearedevelopers.com/videos/632-crypto-secure-data-management-with-in-database-blockchain) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Web-based Information Visualization](https://www.wearedevelopers.com/videos/84-web-based-information-visualization) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [How Much Does a Software Engineer Make? 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