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Principal or Sr. Principal Advanced Test Capabilities Physicist

Northrop Grumman

Today
Top Secret/SCI
$127,400 - $200,300
Polygraph
Annapolis Junction, MD (On-Site/Office)

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE TYPE: A US Government security clearance per customer's requirements.

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.

Job 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, but they're also making history.

Northrop Grumman Mission Systems (NGMS) is seeking candidates for the position of Principal or Sr. Principal Advanced Test Capabilities Physicist with a robust scientific background. Our technology is built around superconducting electronics and energy efficient computation. You will work with a team of scientists and engineers to design, test and integrate software on our test platforms. We are a hard-working team that strives to foster a culture of belonging, mentorship, and personal growth. We are passionate about creating innovative solutions to exciting multi-disciplinary challenges!

This position requires full-time on-site work at our Advanced Technology Laboratory (ATL) in Linthicum, MD location or our Annapolis Junction, MD location.

As a member of our team, you will:
  • Develop software framework to conduct novel experiments on superconducting devices.
  • Debug existing software tools and support implementation of new capabilities.
  • Support the current and future development of test platforms within function, cost and schedule constraints.
  • Document and implement test requirements and procedures.
  • Review test plans for accuracy and completeness.
  • Support experimental physics team; develop novel measurement procedures and processes utilizing existing software suite


This position can be filled as a Principal Advanced Test Capabilities Physicist or Sr. Principal Advanced Test Capabilities Physicist

BASIC QUALIFICATIONS Principal Advanced Test Capabilities Physicist:
  • Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM) with 5 years of relevant experience; Master's degree in STEM related field with 3 years' of relevant technical experience OR Masters' degree in STEM related field and currently enrolled in a PhD program with a completion date prior to start with 1 year of relevant technical experience OR PhD in STEM related field with 1 year of relevant technical experience.
  • Experience working in a lab environment or research setting in physics, electronics, or related area
  • Experience with strong communication skills and to work on a diverse multi-disciplinary team
  • Experience independently solving problems in a fast-paced environment
  • Minimum of 2 years' experience (relevant course work, internships and/or professional experience) in an object-oriented programming language (such as: Python, C++, Java, or other)
  • Candidate must be a US Citizen
  • Clearance: Candidate must be able to obtain and maintain the necessary US Government security clearance per customer's requirements


BASIC QUALIFICATIONS Sr. Principal Advanced Test Capabilities Physicist:
  • Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM) with 8 years of relevant experience; Master's degree in STEM related field with 6 years of relevant technical experience; PhD in STEM related field with 4 years of relevant technical experience.
  • Experience working in a lab environment or research setting in physics, electronics, or related area
  • Experience with strong communication skills and to work on a diverse multi-disciplinary team
  • Experience independently solving problems in a fast-paced environment
  • Minimum of 2 years' experience (relevant course work, internships and/or professional experience) in an object-oriented programming language (such as: Python, C++, Java, or other)
  • Candidate must be a US Citizen
  • Clearance: Candidate must be able to obtain and maintain the necessary US Government security clearance per customer's requirements


Preferred qualifications:
  • Minimum of 2 years' experience in Python
  • Experience designing and executing experiments in a physics or electronics research environment
  • Experience with bench/lab testing of electronic devices
  • Experience with low-noise, low-temperature superconducting device or quantum device testing
  • Ability to automate experimental tasks using high level and built-in software languages.
  • Experience working in version-controlled, collaborative software development environment
  • Experience with integrating theory, design, and testing methodology to improve the product development cycle within an agile framework.
  • An active TS/SCI clearance with a Polygraph


Primary Level Salary Range: $127,400.00 - $200,300.00

Secondary Level Salary Range: $158,600.00 - $249,400.00

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.
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Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever-evolving needs of our customers worldwide. Our 90,000 employees are Defining Possible every day using science, technology and engineering to create and deliver advanced systems, products and services. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will allow you to work together with people from many backgrounds, personal passions and disciplines. © 2025 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.
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Top Secret/SCI