Sentinel Sr Principal Software Engineer - 20459

Northrop Grumman; United States; On-site; USD 180,000 - 240,000; 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 is seeking a Sr Principal Software Engineer for a role in Roy, UT, supporting the Sentinel Program. You will work on software design and development across Windows/Linux platforms, with embedded components and cross-compiled apps. Responsibilities include design reviews, documentation, and CI/CD pipeline implementation.

The position requires a strong background in Python, C/C++, Java, and C#, with DoD training experience and a U.S. Secret clearance.

Qualifications

• Senior Principal role requires 8 years with BS, 6 years with MS, or 4 years with PhD.
• US citizenship with active Secret clearance at day 1.
• Strong communication skills and ability to mentor junior engineers.
• Hands-on programming in Python, C#, C/C++, and Java.

Responsibilities

• Assist with software design and development of specialized tools and techniques.
• Provide/authors documentation and participate in design, code, and software readiness reviews per DoD procedures (languages include C, C++, Java, Python).
• Develop Windows, Linux, and cross-compiled applications; embedded platform development.
• Support software life cycle engineering: design, integration, verification, deployment, and in-service support.
• Support CI/CD pipelines for multiple products.

Skills

Python

C/C++

Java

C#

JSON/JSONB

QT

CI/CD

Education

Bachelor's degree in related field

Master's degree in STEM

PhD or additional years in lieu of degree

Tools

QT cross‑platform C++ framework

PostgreSQL (JSON/JSONB)

Job description

RELOCATION ASSISTANCE: No relocation assistance available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems in air and space that impact people's lives around the world today, and for generations to come. Our work preserves freedom, democracy, and advances human discovery and our understanding of the universe. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future and have a lot of fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman Defense Systems would like you to join our team as a Sr Principal Software Enginee r. This position will be located in Roy, UT and will support the Sentinel Program. Northrop Grumman supports the Air Force's sustainment, development, production and deployment of hardware and system modifications for Intercontinental Ballistic Missile (ICBM) Ground and Airborne Launch Control Systems, Launch Facilities and associated infrastructure.

What You’ll Get to Do:

• Assist with software design and development of specialized tools and techniques.
• Provides/authors documentation, participate in design, code, and software readiness reviews in accordance with the Government's software development procedures and processes. Program systems in languages including C, C++, Java, and Python.
• Develop Windows, Linux, and cross-compiled applications; Embedded platform development using proprietary, COTS, GOTS, or open-source build environments.
• Supporting the software life cycle engineering execution to include design, integration, verification, deployment, and in-service support.
• Support the design and implementation of sustainable continuous integration and continuous delivery (CI/CD) pipelines for multiple products.

As a full-time employee of Northrop Grumman, you are eligible for our robust benefits package including:

Position Benefits:

• Medical, Dental & Vision coverage
• 401k
• Educational Assistance
• Life Insurance
• Employee Assistance Programs & Work/Life Solutions
• Paid Time Off
• Health & Wellness Resources
• Employee Discounts

This positions standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off

Basic Qualifications:

• Senior Principal Software Engineer: 8 Years with Bachelor's in related field of study, 6 Years with Masters, 4 Years with PhD or 04 additional years in lieu of a degree.
• U.S. citizenship required with an active Secret clearance/SAP at day 1.
• Strong communication skills and the ability mentor and coach junior engineers.
• Hands-on programming experience with one or more high-level programming languages such as Python, C#, C/C++, and Java.
• Working knowledge of network and communication protocols, including experience sending and receiving data over TCP/IP and UDP sockets, as well as familiarity with serial communication interfaces (e.g., RS-232/RS-485) and related debugging tools.
• Experience working with JSON as a primary data format, including schema design, validation, serialization/deserialization in code (e.g., C++/Python/Java), and persisting JSON documents or fields in databases such as PostgreSQL (JSON/JSONB), or similar.
• Experience with QT cross-platform C++ application framework.
• Experience with DoD training and simulation systems development.
• Full life cycle design, integration, verification, deployment, and in-service support.
• Experience with troubleshooting and debugging systems.

Preferred Qualifications:

• Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM) with 8+ years of experience in a related engineering field (Computer Science, Information Systems, or Computer/Electrical Engineering); OR
• Master's degree in Science, Technology, Engineering, or Mathematics (STEM) with 6+ years of experience in a related engineering field.
• Experience with software CI/CD