Sr Principal Cyber Software Engineer

What You'll get to Do:
The Senior Principal Cyber SW Test Automation Engineer designs, develops, documents, tests and debugs applications software and systems that contain logical and mathematical solutions focusing on automation of system and software tests. This engineer determines computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls; prepares operating instructions; designs and develops and executes automated tests, procedures and processes while ensuring software standards are met.

Work in a team environment utilizing Agile process to automate test procedures
Develop/Create automated test scripts utilizing GUI based test automation
Develop and execute test procedures to ensure all acceptance criteria are met and the software quality conforms to established policy and standards.
Perform regression testing as required.
Develop and implement test plans and procedures using the testing tools.
Document test results and issues.
Mentor and assist Jr Test Automation Engineers
Provides support to Independent, Validation, & Verification (IV & V) test team during acceptance testing, including test procedure walkthroughs, and answering questions on software functionality.
Participates in the agile ceremonies and interface with the agile team(s) and other program staff as required.
Develop automated tests for our product and services using frameworks like Mocha, Selenium, Jest, Robot
Work with our development team to test new features, converting initial manual efforts into new automated tests
Identify new automation best practices for our growing engineering team
Improve our continuous delivery pipeline, ensuring that we can roll out frequent, robust releases
Responsible for the design, development, and support of test cases for functional and non-functional domains, solving the most complex escalated issues
Supports the execution of test reports and reviews and acts on recommendations for product or design changes
Manages the evaluation, recommendation, and implementation of testing procedures and strategies for products, systems, components or modifications, ensuring alignment to functional / non-functional requirements

Basic Qualifications:

An active TS/SCI Full-scope Clearance with polygraph through our MD customer (less than 10 years old).

BS + 9 years of exp; MS + 5 years of exp; PhD + 4 years of exp is required.

Experience writing Python scripting

Experience with Robot

Experience working System Test, SW Development and/or Systems Engineering

Familiarity with CI/CD principles

Experience with Windows/Linux operating systems & Virtual Machines (VMs)

Expert level understanding of the software development lifecycle and agile development methodology

Preferred Qualifications:

Experience with Atlassian tool suite (JIRA, Git, Confluence)

Experience using software test automation tools/frameworks

Experience with Java, C++

Experience using UI automation software

What We Can Offer You:
Northrop Grumman provides a comprehensive benefits package and a work environment which encourages your growth and supports the mutual success of our people and our company. Northrop Grumman benefits give you the
flexibility and control to choose the benefits that make the most sense for you and your family.

Your benefits will include the following: Health Plan, Savings Plan, Paid Time Off and Additional Benefits including Education Assistance, Training and Development, 9/80 Work Schedule (where available), and much more!
Primary Level Salary Range: $156,400.00 - $234,600.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Client-provided location(s): Annapolis Junction, MD

Job ID: NorthropGrumman-R10223550

Employment Type: OTHER

Posted: 2026-02-25T19:53:52