Strategic Interfaces Systems Engineer

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
• Experience using Model-Based Systems Engineering (MBSE) tools
• Professional certifications such as PMP, INCOSE ASEP, CSEP, or ESEP

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 Secret security clearance

• This role is performed on-site in El Segundo, CA

• Compensation: The anticipated salary range for this position is $135,600 to $199,890

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.

Below is the anticipated salary range for this position in the location listed in the job description. Actual compensation will depend on factors including experience, education, certifications, security clearance level, geographic location, contract labor category, and applicable government contract requirements.

Anticipated Salary Range

$135,600-$199,890 USD