# Strategic Interfaces Systems Engineer at nLogic > United States · Unspecified · Software engineering · open. Source: https://alderhq.app/jobs/greenhouse%3Anlogic%3A4480718009 (read 2026-11-10). ## Facts (observed) - Company: [nLogic](https://alderhq.app/companies/nlogic) - Location text: El Segundo, CA; El Segundo - Where it can be done from (inferred): United States (evidence: "Location: El Segundo, CA; El Segundo") - Posted: 2026-11-05 (5 days ago) - First seen by alder: 2026-11-07 · last verified: 2026-11-07 - Reposted: 0 times · edited: 0 times - Apply on the employer's site: https://www.nlogic.com/openings/?gh_jid=4480718009 ## Pay and sponsorship - Posted pay: $136k–$200k per year (from the listing's pay field) - Market band for similar posted roles (Los Angeles, n 514): p25 $120k, median $143k, p75 $163k ## Description (the employer's text) nLogic is seeking an experienced Strategic Interfaces Systems Engineer to join our team in El Segundo, CA. In this role, you will provide systems engineering leadership supporting interface development, integration, and technical baseline management for next-generation Military Satellite Communications (MILSATCOM) systems. You will serve as a key contributor in defining, documenting, managing, and maintaining interfaces between space and ground systems while supporting government decision-making and system integration activities across complex space architectures. The MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort provides leading-edge Systems Engineering & Integration (SE&I) support for the U.S. Space Force's Space Systems Command (SSC). We support the acquisition of advanced MILSATCOM systems that deliver secure, survivable, and protected communications capabilities to warfighters around the globe. We seek technical professionals who thrive in collaborative environments and enjoy solving complex integration challenges across space and ground systems. ### Responsibilities - Develop, author, maintain, and manage Interface Control Documents (ICDs) supporting cross-system interfaces between space and ground segments - Serve as the system-level ICD owner responsible for coordinating inputs, managing document structure, adjudicating comments, and maintaining the authoritative technical baseline - Collaborate with Configuration Management teams supporting Engineering Review Boards (ERBs) and Configuration Control Boards (CCBs) - Develop interface diagrams, message definitions, command and telemetry mappings, data dictionaries, and system-level interface descriptions - Identify interface risks and support technical issue resolution across engineering teams - Support system integration and test activities by maintaining authoritative interface documentation - Ensure documentation complies with program standards, engineering best practices, and regulatory requirements - Provide technical support in evaluation of contractor change proposals - Coordinate and manage Interface Working Groups involving government and contractor stakeholders - Collaborate with Model-Based Systems Engineering (MBSE) teams to maintain alignment between models, ICDs, and technical baselines - Develop acquisition briefings, technical papers, plans, reports, and supporting documentation for government decision-makers - Collaborate closely with U.S. Space Force personnel, contractors, support organizations, and government civilians ### Required Qualifications - Must be able to obtain and maintain a Secret security clearance - Bachelor's degree in engineering, computer science, or related technical field - 8+ years of experience supporting satellite systems, spacecraft development, or aerospace engineering programs - 5+ years of experience supporting Department of Defense programs - Experience developing, managing, or maintaining Interface Control Documents (ICDs) for complex systems - Familiarity with spacecraft subsystems including RF communications, payloads, command and data handling, propulsion, thermal systems, guidance, navigation, and control - Ability to develop and interpret interface diagrams, communication structures, and system schematics - Experience with systems engineering tools such as DOORS and Cameo - Strong technical writing, communication, and presentation skills - Demonstrated ability to communicate technical recommendations and solutions to customers, stakeholders, and senior leadership - Proficiency with Microsoft Office applications ### Preferred Qualifications - Active Secret clearance or higher - Master's degree in engineering, computer science, or related technical field - 12+ years supporting space systems development programs - 12+ years supporting space acquisition environments - Experience supporting satellite hardware and software development efforts - Experience supporting Military, Department of Defense, or Intelligence Community space programs - Experience supporting MILSATCOM systems including ESS, AEHF, EPS, PTES, PTS, WGS, and FAB-T --- Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/greenhouse%3Anlogic%3A4480718009 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.