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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer - **Company:** Infinity Systems Engineering, LLC - **Location:** United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Agile Methodology, Systems Engineering, Scrum Methodology, Satcom, Software Requirements Analysis, Verification and Validation (Software), Systems Integration - **Published:** September 24, 2026 - **Apply:** https://www.thejobnetwork.com/job/5fbe7cd1-7037-4cdb-a557-bcea925faced/senior-systems-engineer ## About the Role Education Requirement: Bachelor's or master's degree in engineering or a related field or equivalent combination of experience in lieu of degree Experience Requirement: 5+ years of experience in systems engineering with a focus on digital engineering and risk reduction activities. Experience with NC3 mission, International Partner, protected SATCOM, XDR waveform, and/or AEHF User terminal. Clearance Requirement: Secret, * Must have 5+ years of relevant Systems Engineering experience including experience with System of Systems concepts and architectures as well as experience with verification and validation principles, approaches, processes, and procedures. * MILSATCOM experience, to include Milstar and AEHF. * Experience with Systems Engineering in an Agile Development (e.g., Scrum, Kanban) environment. * Experience with toolsets such as Cameo Systems Modeler and DOORS. Preferred Qualifications: * Excellent written and verbal communication skills. * Self-motivated with an ability to collaborate positively in a team environment with people of different levels of experience and education and virtually in geographically dispersed locations. * Ability to work in a fast paced environment that requires work in a SCIF. ## Description Provide engineering support for the ESS Ground Resilient Integration & Framework for Operational NC3 (GRIFFON) Ground Integration & Framework (GIF) and Systems of Systems Integration (SoSI) contract. During the period of performance, assist team in demonstrating key capabilities and showing progress towards meeting Ground Assembly, Integration and Test (AI&T)., We are seeking a highly skilled Senior Systems Engineer to join our team and co-lead the identification and demonstration of digital tools for the execution of GRIFFON tasks during the 18-month prototype demonstration period. As a Senior Systems Engineer, you will play a critical role in supporting the development of a digital engineering master plan, including digital twins, to support risk reduction of the system level verification activities. * Works with ICDs across stakeholders for interface definition and agreement on implementation and impact to system design. * Familiarity with Agile development environments and ability to collaborate with multidisciplinary Agile teams to define system requirements, design, and integration solutions. * Requirements decomposition from the ESS overall system design into element and component specifications with both upward and downward tracing in DOORS and horizontal tracing with the System model. * Provide system engineering support with NC3 mission, International Partner, protected SATCOM, XDR waveform, and/or AEHF User terminal experience to create, update, deliver GRIFFON engineering artifacts. * Identify and analyze key system-level trades across all segments to define ESS top level architecture. * Identify, plan, and implement test, analysis, and integration campaigns to verify internal and external interfaces. * Identify and define impact assessments, to include cost, schedule, and performance, for all changes to the technical baseline. * Develop and coordinate a system requirements verification and sell-off plan. * Work with Digital Engineering concepts and tools (such as Model Based Systems Engineering (MBSE)). ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [ShapeShift: Reinventing Agile for a B2B SaaS Scale-Up](https://www.wearedevelopers.com/videos/1655-shapeshift-reinventing-agile-for-a-b2b-saas-scale-up) - [Coffee with Developers - Cassidy Williams - ](https://www.wearedevelopers.com/videos/912-coffee-with-developers-cassidy-williams) - [Systems Thinking for Performance: How to Diagnose and Fix Slow Systems without Guessing](https://www.wearedevelopers.com/videos/2103-systems-thinking-for-performance-how-to-diagnose-and-fix-slow-systems-without-guessing) - [The user in the eye of the Cargo1492 storm](https://www.wearedevelopers.com/videos/96-the-user-in-the-eye-of-the-cargo1492-storm) - [From Punch Cards to AI-assisted Development](https://www.wearedevelopers.com/videos/611-from-punch-cards-to-ai-assisted-development) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)