Interface Systems Engineer

ENSCO•El Segundo, CA

2d•Onsite

About The Position

ENSCO is seeking an Interface Systems Engineer to work directly with Government mission leaders and independently governed program teams delivering elements of a critical space mission capability. The role builds trusted relationships and shared technical evidence across organizations that may have different architecture visions, acquisition paths, technical baselines, funding profiles, and delivery schedules. The position supports the MILSATCOM Systems Engineering, Integration, and Test (MSEIT) effort, which provides systems engineering and integration support for the Space Force’s Space Systems Command and its acquisition of secure, survivable, and protected military satellite communications systems. The engineer develops and maintains authoritative interface documentation for space and ground systems, coordinates technical stakeholders, and supports integration, testing, configuration management, and Government decision-making. This is an on-site, regular full-time position. A U.S. citizen is required, along with the ability to obtain and maintain a DoD Secret security clearance.

Requirements

Bachelor’s degree in engineering, computer science, or a related technical field.
At least 8 years of experience in satellite systems, spacecraft development, or aerospace engineering, including 5 years working on DoD programs.
Direct experience developing or managing ICDs for complex systems.
Strong familiarity with spacecraft subsystems, such as payloads, RF communications, power, GNC, thermal, propulsion, and on-board Command and Data Handling.
Ability to read and create schematics, interface diagrams, and data communication structures.
Experience with systems engineering tools such as DOORS or Cameo.
Excellent technical writing, documentation, communication, interpersonal, and presentation skills.
Ability to clearly articulate ideas, recommendations, and options to customers, senior leaders, and stakeholders.
Proficiency with Microsoft Office products such as Word, Excel, and PowerPoint.
Must be a U.S. citizen and able to obtain and maintain a DoD Secret security clearance.

Nice To Haves

Master’s degree in engineering, computer science, or a related technical field.
12 or more years of experience with space systems supporting space or ground segment development.
12 or more years of experience in a space acquisitions environment.
Experience in satellite hardware and software development.
Experience in Military, DoW, or Intelligence Community space.
Experience with MILSATCOM programs such as ESS, AEHF, EPS, PTES, PTS, WGS, and FAB-T terminal programs.
Proficiency using model-based systems engineering (MBSE) tools.
Professional certifications such as PMP or INCOSE CSEP/ESEP/ASEP.
Active Secret security clearance or higher.

Responsibilities

Develop, author, and maintain Interface Control Documents (ICDs) for cross-system interfaces between space segments, including spacecraft and payloads, and ground segments.
Serve as system-level ICD owner/book boss by coordinating inputs, maintaining document structure, adjudicating comments, and ensuring the ICD reflects the authoritative technical baseline.
Work with Configuration Management to prepare 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 documentation complies with best practices, program standards, and regulatory requirements.
Provide technical subject matter expert support for reviews of prime contract change proposals.
Manage and coordinate Interface Working Groups to ensure consistent communication across stakeholders.
Work with the 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 Government decision-making.
Collaborate with prime contractors, other support contractors, government civilians, and members of the U.S. Space Force.