Senior Principal Software Systems Engineer - Sentinel

ngc; Roy (UT); On-site; USD 123,000 - 184,000; Full time

Benefits offered by this job

Medical, Dental & Vision coverage

401k

Educational Assistance

Life Insurance

Employee Assistance Programs & Work/Li

Paid Time Off

Health & Wellness Resources

Employee Discounts

Job summary

Northrop Grumman Defense Systems seeks a Sr Principal Software Systems Engineer for the Sentinel Program in Roy, Utah. You will lead end-to-end software and systems engineering activities from concept to verification, applying solid engineering principles to deliver robust, scalable mission systems.

You will collaborate with cross-functional teams, develop clear written products and data visualizations, and mentor others while shaping technical strategy and roadmaps in a high-impact,

Qualifications

• 8 Years with Bachelors; 6 Years with Masters; 4 Years with PhD or 4 additional years of experience in lieu of degree.
• Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years.
• Sentinel Program Access on Day 1.
• Strong foundation in software engineering, including architecture, design, implementation (e.g., in languages such as C/C++, Java, or Python), integration, and test in a complex systems environment.
• Experience with digital engineering or model-based systems engineering (MBSE) tools and practices (e.g., Cameo, Rhapsody) and requirements management tools (e.g., DOORS) to maintain traceability and support technical decision-making.
• Proven ability to work effectively in cross-functional, multi-disciplinary teams, building strong relationships and driving collaboration across organizations and stakeholders.
• Experience developing and presenting high-quality charts and technical briefings (e.g., in PowerPoint or similar tools) that distill complex information into concise, visually compelling narratives to support technical and programmatic decision-making.
• Current understanding of software engineering best practices.
• Experience in software engineering, system design, software requirements, and test.

Responsibilities

• Lead end-to-end software and systems engineering activities, from concept development and requirements definition through design, implementation, integration, and verification for command-and-control and related mission applications.
• Apply solid software engineering principles to develop robust, scalable, and maintainable solutions to urgent and cross-cutting challenges.
• Collaborate closely with cross-functional teams (systems, software, test, operations, program management, and business stakeholders) to understand needs, evaluate alternatives, and converge on the best technical solutions.
• Develop high-quality written products—including technical reports, trade studies, design descriptions, and decision memos that clearly communicate options, rationale, risks, and recommendations to both technical and non-technical audiences.
• Create clear, concise, and visually effective charts and data visualizations for internal design reviews, customer briefings, and senior leadership decision forums.
• Serve as a technical leader and mentor, providing guidance on engineering best practices, fostering a culture of collaboration and continuous improvement, and helping to shape technical strategy and roadmaps.

Skills

Software engineering

Written communication

Cross-functional collaboration

Presentation skills

Education

Bachelor's degree in STEM

Tools

C/C++

Java

Python

Cameo

Rhapsody

DOORS

PowerPoint

Job description

Northrop Grumman Defense Systems seeks a Sr Principal Software Systems Engineer for the Sentinel Program in Roy, Utah. You will lead end-to-end software and systems engineering activities from concept to verification, applying solid engineering principles to deliver robust, scalable mission systems.

You will collaborate with cross-functional teams, develop clear written products and data visualizations, and mentor others while shaping technical strategy and roadmaps in a high-impact,