Strategic MBSE Requirements & ICD Lead

nLogic; El Segundo (CA); On-site; USD 135,000 - 201,000; Full time

Benefits offered by this job

ESOP

Medical coverage

Dental coverage

Vision coverage

Paid time off

401(k) plan

Professional development

Job summary

nLogic seeks a senior Systems Engineer to lead ICD development for space and ground interfaces in an MBSE environment. You will work with CM, ERBs/CCBs and cross-disciplinary teams to produce interface diagrams, data dictionaries, and mappings. The role requires TS/SCI clearance, a B.E.

in engineering, and extensive DoD program experience. On-site in El Segundo, CA with competitive benefits. Preferred Master’s degree and MBSE certifications are a plus; strong writing and communication skills are

Qualifications

• 8+ years in satellite systems, spacecraft development or aerospace engineering
• 8+ years on DoD programs
• 5+ years MBSE and architecture modeling
• Experience developing/Managing ICDs for complex systems
• Knowledge of spacecraft subsystems and flight hardware

Responsibilities

• Lead ICD development for spacecraft, ground systems, payloads and cross-system interfaces in MBSE
• Coordinate with CM for ERBs and CCBs
• Develop interface diagrams, data dictionaries and mappings
• Identify interface risks and drive issue resolution across teams
• Support system integration with authoritative interface documentation
• Ensure compliance with standards and regulations
• Review Prime contract Change Proposals as SME
• Coordinate ICWGs and stakeholder communications
• Collaborate with MSEIT modeling to align models with baselines
• Prepare acquisition and technical requirement briefings for Gov’t decisions

Skills

MBSE

SysML

DOORS

MATLAB

Cameo

UPDM

DoDAF

Leadership

Communication

Microsoft Office

Education

Bachelor's degree in engineering

Master's degree in engineering

Tools

Cameo

DOORS

MATLAB

Job description

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_n_Logic

At _n_Logic, 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

_n_Logic 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

Equal Opportunity Employer

_n_Logic 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.