Strategic Interfaces Systems Engineer

nLogic; El Segundo (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

nLogic in El Segundo, CA seeks an experienced Strategic Interfaces Systems Engineer to lead interface development and integration for MILSATCOM programs. You will own ICDs, support MBSE alignment, and manage technical baselines across space and ground systems.

In this role you will collaborate with government and contractor teams, produce technical papers and briefings, and ensure compliance with standards. A strong background in DoD programs and superb communication are essential.

Qualifications

• Must have 8+ years in satellite or aerospace programs.
• Experience developing, managing, or maintaining ICDs for complex systems.
• Familiarity with RF, payloads, data handling, propulsion, and thermal systems.
• Strong written and verbal communication; able to brief senior leadership.

Responsibilities

• Develop, author, and manage ICDs for cross-system interfaces.
• Own ICD coordination and baseline maintenance.
• Collaborate with Configuration Management for ERBs/CCBs.
• Create interface diagrams, message definitions, and data dictionaries.
• Identify interface risks and resolve technical issues across teams.
• Support system integration and testing with authoritative docs.
• Ensure compliance with program standards and regulatory requirements.
• Coordinate MBSE efforts to align models with ICDs.
• Prepare acquisition briefings and technical documentation.

Skills

ICD development

MBSE collaboration

DoD programs experience

Technical writing

System architectures

Communication

Education

Bachelor's degree in engineering, computer science, or related technical field

Master's degree in engineering, computer science, or related technical field

Tools

DOORS

Cameo

Job description

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