Principal Software Systems Engineer
Quick Summary
Serve as the ICD lead engineer, owning definition, documentation, update, and configuration control of system and subsystem Interface Control Documents (ICDs). Develop and maintain hardware, software,
Northrop Grumman Aeronautics Systems Sector has an opportunity for a Principal Systems Engineer with a primary focus on Interface Control Document (ICD) definition and management. The position is located on site in Rancho Bernardo, CA, El Segundo, California or Palmdale, CA.
The candidate should be a self-starter with familiarity working in an Integrated Product Team construct. The candidate will be responsible for performing analysis while working within an Integrated Product Team (IPT) structure to update and maintain a detailed set of software Interface Control Document (ICD) artifacts. The selected candidate will collaborate across engineering disciplines to integrate and communicate interface definition needs with internal stakeholders and external customers across multiple simultaneous Modernization and Sustainment efforts. This position will be in our Systems Engineering organization.
Responsibilities
~1 min read- →Serve as the ICD lead engineer, owning definition, documentation, update, and configuration control of system and subsystem Interface Control Documents (ICDs).
- →Develop and maintain hardware, software, and data interfaces between internal subsystems and external stakeholders, ensuring consistency with system architecture and requirements.
- →Coordinate and lead interface working groups and technical interchange meetings to resolve interface issues and drive convergence across multi-disciplinary teams.
- →Use full knowledge of software and hardware disciplines to define and decompose interface from system-level requirements.
- →Perform Systems Engineering activities, such as functional analysis, interface definition, and verification.
- →Work on Agile programs and methodology using Jira, including backlog refinement of interface-related tasks and stories.
- →Interface and present to program leadership and/or customers using strong written and oral communication skills, including status of ICD maturity, risks, and impacts.
The selected candidate will be required to work full-time, on-site at our facility. There is no remote / hybrid / telework available for this position.
Requirements
~3 min read- Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related engineering experience; OR a Master’s Degree in a STEM discipline and 3 years of related engineering experience; OR a PhD in a STEM discipline and 1 year of related engineering experience.
- Active USG Top Secret SCI clearance (with a background investigation within the past 5 years or enrolled into Continuous Evaluation).
- Ability to obtain and maintain initial Special Program Access (SAP/PAR). This SAP/PAR must be obtained prior to commencement of employment and must be obtained within a reasonable amount of time as determined by the company to meet its business needs.
- Ability to obtain and maintain subsequent SAP PARs following commencement of employment to be able to completely support statement of work.
- Experience in DOORS, XML tooling (e.g., XSD editors, XML validators), Atlassian Tool Suite.
- Ability to work in a dynamic, fast paced environment, Action Oriented, Strong Attention to Detail, Communicates Effectively.
- Programming Skills in C/C++/Python/VBA including experience generating, parsing, and validating XML.
- Current applicable Special Access Program (SAP) clearance.
- Demonstrated communication and technical writing skills.
- Demonstrated proficiency in analytical thinking and problem-solving skills and Systems Thinking mindset.
- Proven ability to brief technical presentations to stakeholders.
- Experience with Model Based Systems Engineering (MBSE) concepts and tools (CAMEO).
Location & Eligibility
Listing Details
- Posted
- September 10, 2026
- First seen
- October 5, 2026
- Last seen
- October 5, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 11%
- Scored at
- October 5, 2026
Signal breakdown
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