Strategic MBSE Requirements & ICD Lead

nLogic is seeking an experienced Strategic MBSE Requirements and ICD Lead to join our team in El Segundo, CA. Due to security requirements, work is required to be performed onsite in a secure facility in El Segundo, CA. In this role, you will provide critical systems engineering and MBSE support to advance protected MILSATCOM capabilities and ensure seamless integration across space and ground segments. The MSEIT (MILSATCOM Systems Engineering, Integration and Test) team in support of SSC (Space Systems Command) in El Segundo is seeking an individual to provide Information Assurance (IA) and Cybersecurity support for the MILSATCOM Capability area. The MILSATCOM portfolio of programs has an ongoing need for IA/Cybersecurity support, to meet the needs of our emerging next-generation protected SATCOM. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading edge Systems Engineering & Integration (SE&I) for the Air Force’s Space and Missiles System Center. We support the Air Force’s acquisition of state of the art Military Satellite Communications systems, providing global secure, survivable, and protected communications for our nation’s warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems. Responsibilities Lead the Development of Satellite Interface Control Documents (ICDs) for spacecraft, ground systems, payloads, and cross‑system interfaces in a Model-Based Systems Engineering (MBSE) environment. Work closely with the Configuration Management team in preparing for Engineering Review Boards (ERBs) and Configuration Control Boards (CCBs) Develop interface diagrams, data dictionaries, message formats, command and telemetry mappings, and system‑level interface descriptions. Identify interface risks and drive technical issue resolution across engineering teams. Support system integration and test activities by providing authoritative interface documentation and clarification. Ensure that documentation complies with best practices, program standards, and regulatory requirements. Provide technical Subject Matter Expert (SME) in reviewing Prime contract Change Proposals Manage and coordinate Interface Control Working Groups (ICWGs), ensuring consistent communication across all stakeholders. Work closely with MSEIT modeling team to ensure models align with technical baseline to include ICDs and requirement flowdown. Develop acquisition and technical requirements‑related briefings, plans, papers, and other documentation in support of Gov’t decision making. Collaborating with prime contractors, other support contractors, government civilians, and members of the U.S. Space Force Required Qualifications Must currently possess a current, in-scope TS/SCI clearance Bachelor’s degree in engineering 8+ years of experience in satellite systems, spacecraft development, or aerospace engineering 8+ years’ experience working on DoD programs 5+ years of experience developing architecture models 5+ years of experience with model-based systems engineering (MBSE) Direct experience developing or managing Interface Control Documents (ICDs) for complex systems Familiarity with spacecraft subsystems and flight hardware (e.g., avionics, payloads, RF comms, power, GNC, thermal, propulsion) Ability to read and create schematics, interface diagrams, and data communication structures Demonstrated ability to lead a small technical team Proficiency in systems engineering tools such as Cameo, DOORS, MATLAB Proficiency in modeling languages such as SysML, UPDM, DoDAF Excellent technical writing, documentation, and communication skills. Strong interpersonal skills, communication (oral and written), and presentation skills Demonstrated ability to clearly articulate ideas, recommendations and options to customers, senior leaders, and stakeholders Proficient in Microsoft Office products (Word, Excel, Powerpoint) Due to security requirements, work is required to be on‑site in a secure facility Preferred Qualifications Master’s degree in engineering 5+ years’ experience with space systems in space or ground segments 5+ years’ experience in a space acquisitions environment Experience in satellite hardware and software development MBSE certifications, such as OCSMP Professional certifications, such as INCOSE CSEP, ESEP, ASEP or PMP Work Conditions Work Model: Onsite in a secure facility Travel: Minimal Work Hours: Standard work hours Why nLogic At nLogic, we support mission-focused defense and space efforts that have real-world impact. Our teams work collaboratively alongside government and industry partners to deliver high-quality, mission-focused solutions. As a 100% employee‑owned company (ESOP), our employees directly share in the success of the organization, creating a culture of accountability, ownership, and long‑term investment in our work. We offer a stable environment with opportunities to develop new skills, take on meaningful responsibilities, and contribute to efforts that support national security and advanced technologies. Summary Of Benefits nLogic offers a comprehensive benefits package including medical, dental, and vision insurance; paid time off; 401(k) retirement plan; Employee Stock Ownership Plan (ESOP); and professional development support. Position Details U.S. Citizenship is required Must currently possess an active TS/SCI clearance This role is performed on‑site in El Segundo, CA Compensation: The anticipated salary range for this position is $135,000 to $201,000 How To Apply Qualified candidates should submit their application through our online portal to be considered for this opportunity. Equal Opportunity Employer nLogic is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. #J-18808-Ljbffr nLogic