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Sentinel Sr Principal Software Test Engineer - 17790 - R10224237-2

Northrop Grumman Huntsville, Alabama, United States

onsitefull-time

Salary: $122,800 - $203,600 / year

Posted Feb 28, 2026Apply by Mar 30, 2026

Role & seniority: Senior Principal Software Test Engineer (Sr. Software Test Engineer level mentioned for Sentinel program)

Stack/tools: Scripting (Python, C++, Java, Bash/Shell), software testing life cycle, Atlassian suite (JIRA, Git, Confluence), RVAM, MBSE interfaces; preferred: IBM Rational DOORS/Jazz; software test automation tools/frameworks; code analysis tools

Top 3 responsibilities

  1. Develop and execute automated and manual test cases to verify functional software requirements

  2. Test planning, execution, reporting, integration support; prepare detailed test reports and support formal verification

  3. Data analysis against requirements/interfaces; interface with software developers and systems engineers; product integration, regression, and verification testing

Must-have skills

  • 8 years (BS), 6 years (MS), or 4 years (PhD) in relevant field; or equivalent experience

  • Active DoD Secret clearance with recent reinvestigation; US citizen; ability to obtain SAP

  • Understanding of software development lifecycle and agile methodologies; RVAM experience

  • 3+ years scripting; 3+ years requirements verification/verification/testing (unit/integration/regression)

  • 3+ years Atlassian tool experience (JIRA, Git, Confluence)

Nice-to-haves

  • Experience with IBM Rational DOORS/Jazz; test automation tools/frameworks

  • Code analysis tools; developing ICDs and MBSE interface definitions

  • Familiarity with CSSAM/RVAM governance

  • Location & work typ

Full Description

RELOCATION ASSISTANCE: Relocation assistance may be 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.

Northrop Grumman Defense Systems is seeking Sr. Software Test Engineers for the Flight / Guidance Navigation & Control (GN&C) Software Team. This position will be located in Roy, Utah or Huntsville, AL and will support the Sentinel Program.

What You’ll Get To Do

Responsible for development and execution of automated and manual test cases to verify functional software requirements.

This Will Include The Following Activities

Assist in the design, development, and implementation of testing methods and equipment. Test planning, execution, reporting, and integration support. Prepare detailed test reports and support formal verification of the system. Compile data and define changes required in test equipment, test procedures, or new test requirements. Perform data analysis against requirements and interfaces for each software build or hardware component. Interface with software developers and systems engineers in support of verification. Product integration, regression, and verification testing including checkout in software test labs.

Position Benefits

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

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

This position’s 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. This role may offer a competitive relocation assistance package.

Basic Qualifications

Sr Principal Software Test Engineer: 8 Years with Bachelors in relevant field of study; 6 Years with Masters; 4 Year with PhD or 4 additional years in lieu of a degree. Active DoD Secret clearance with a reinvestigation date occurring in the last 6 years. Must be a US Citizen with ability to obtain Special Program Access (SAP) approval within a reasonable period of time, as determined by the company to meet its business need Understanding of the software development lifecycle and agile development methodology, RVAM skills/experience 3+ year experience in scripting skills (Python, C++,Java, Bash, Shell/Bash, or similar programming language) 3+ year experience in Requirements Verification/General test methodology, unit testing, integration testing, regression testing. 3+ year experience with Atlassian tool suite (JIRA, Git, Confluence)

Preferred Qualifications

Experience with IBM Rational tool suite (DOORS and Jazz) Experience using software test automation tools/frameworks Experience with code analysis tools Experience developing ICDs and defining interfaces in an MBSE environment Familiarity with CSSAM / RVAM Governance

#Sentinelsoftware

#GNC2026

Primary Level Salary Range: $122,800.00 - $203,600.00

The 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.

Test Case DevelopmentAutomated TestingManual TestingTest PlanningTest ExecutionReportingData AnalysisVerificationIntegration TestingRegression TestingPythonC++JavaBashShell/BashAgile Developmentmulti-location

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