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Principal Engineer Software​/Sr. Principal Engineer Software; Int Security Clearance

Job in San Diego, San Diego County, California, 92101, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2026-03-03
Job specializations:
  • Software Development
    Software Engineer, DevOps, Python, Cloud Engineer - Software
Job Description & How to Apply Below
Position: Principal Engineer Software/Sr. Principal Engineer Software (Int with Security Clearance
RELOCATION ASSISTANCE:
Relocation assistance may be available CLEARANCE REQUIRED FOR START:
Yes CLEARANCE TYPE:
Secret TRAVEL:
No

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.

Northrop Grumman Aeronautics Systems Sector is seeking a Principal Engineer Software or Sr. Principal Engineer Software to support the Global Surveillance Division supporting the team of qualified, diverse individuals. The program technologies include the full software lifecycle and advanced missions support in tactical applications for the warfighter. This position will be located in San Diego, CA.

Key Responsibilities include:

* Lead Test of software components across multiple crossed network domains

* Support program statement of work by applying fundamentals of software engineering to all phases of the Software Development Lifecycle

* Coordinate and collaborate directly with software development and other engineering discipline teams to develop, write, document, and execute software requirement verification and integration, tests, including identifying and tracking issues through resolution

* Support software integration with hardware components in systems integration labs and other integrated test environments

* Participate in all aspects of the software development lifecycle activities and the Agile process for critical mission system software products

* Prioritize automating system tasks (preflight and postflight operations, network health and status checks, configuration management procedures, and software updates) to further improve the team's efficiency and productivity

* Diagnose and identify the root cause of problems found during software installation, integration, and acceptance tests

* Triage, identify and isolate defects and issues in all environments and retesting

* Review and provide feedback on test designs, policies, and processes

* Utilize software development skills to design, code, and implement tests: unit, integration, regression

* Support detailed design, code, and testing of those requirements at the domain level as well as support of system and operational testing

* Analyze software and system requirements allocated to computer software configuration items (CSCI)

* Create, design, maintain and expand infrastructures to support software test automation utilizing COTS automation frameworks

* Support tool development to support streamlining of current processes and development of continuous test integration environment

* Collaborate with cross-discipline teams to develop innovative solutions to resolve challenging problems

* Ensure that thorough, clear, and complete documentation is created and maintained to support current and future testing activities

* Schedule and manage multiple Formal Qualification Tests (FQT) events across multiple CSCIs, Coordinating with Test RE and Customer and SQA teams

* Responsible for releasing each Software Test Plan, Software Test Description, and Software Test Report for each FQT

* Submit detailed problem reports for any anomalies identified during testing

* Prepare for and conduct presentations and demonstrations to customers, program leadership, and other stakeholders

Basic Qualifications:

* (Principal Software Engineer) Bachelor's Degree with 5 years of development experience (3 years with a Master's Degree, 0 years with a PhD) with Python and C++. Experience can be considered in lieu of degree
* (Sr. Principal Engineer) Bachelor's Degree with 8 years of development experience (6 years with a Master's Degree, 3 years with a PhD) with Python and C++. Experience can be considered in lieu of degree.

* Excellent communication, interpersonal skills, and the ability to interface with all levels of employees and management

* Demonstrated experience with at least one of the following automated test frameworks:
Cucumber, Google Test, Test Complete, Python Power Shell, Python, Ansible, and Robot Frameworks

* Experience with at least one of the following programming languages:
Python, C/C++, or C#

* Experience with Object-oriented Programming (OOP)

* Familiar with Test Driven Development (TDD)

* Continuous Integration Tools:
Familiar with one of the following (Jenkins, Bamboo, Git Lab CI

* Experience in Agile Software methodologies - Scrum or Kanban

* Experience with…
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