Interface Systems Engineer Spacecraft & ICD Lead

ENSCO, Inc.; El Segundo (CA); On-site; USD 135,000 - 169,000; Full time

Job summary

ENSCO, Inc. is seeking an Interface Systems Engineer to work with government mission leaders and program teams to deliver elements of a critical space mission capability.

This role creates trusted relationships and shared technical evidence to bring efforts together, developing ICDs and supporting documentation across space and ground segments. You will own ICDs, coordinate with configuration management for ERBs/CCBs, and provide SME review on prime contract changes while collaborating with

Qualifications

• Bachelor’s degree in engineering, computer science, or related technical field.
• 8+ years of experience in satellite systems, spacecraft development, or aerospace engineering to include 5 years’ experience working on DoD programs
• Direct experience developing or managing Interface Control Documents (ICDs) for complex systems
• Strong familiarity with spacecraft subsystems (e.g., payloads, RF comms, power, GNC, thermal, propulsion, on-board Command and and Data Handling)
• Ability to read and create schematics, interface diagrams, and data communication structures
• Experience with systems engineering tools (e.g., DOORS, Cameo)
• 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 (e.g., Word, Excel, PowerPoint)
• ABILITY TO OBTAIN AND MAINTAIN A DOD SECRET SECURITY CLEARANCE IS REQUIRED FOR THIS POSITION FOR WHICH, YOU MUST BE A U.S. CITIZEN

Responsibilities

• Develop, author, and maintain Interface Control Documents (ICDs) for cross-system interfaces between space (including spacecraft and payloads) and ground segments
• Serve as the system-level ICD owner/book boss, responsible for coordinating inputs, maintaining document structure, adjudicating comments, and ensuring the ICD reflects the authoritative technical baseline
• 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) support to review of prime contract change proposals
• Manage and coordinate Interface Working Groups, ensuring consistent communication across all stakeholders
• Work closely with MSEIT modeling team to ensure models align with relevant ICDs and requirements flowdown associated with the cybersecurity technical baseline
• Develop acquisition and technical 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

Skills

Excellent technical writing

Communication skills

System-level thinking

Interpersonal skills

Presentation skills

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

ENSCO, Inc. is seeking an Interface Systems Engineer to work with government mission leaders and program teams to deliver elements of a critical space mission capability.

This role creates trusted relationships and shared technical evidence to bring efforts together, developing ICDs and supporting documentation across space and ground segments. You will own ICDs, coordinate with configuration management for ERBs/CCBs, and provide SME review on prime contract changes while collaborating with