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CORP-Corporate Office

Principal / Sr. Principal Software Engineer - Onsite Customer Integration

United States

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Job details

Posting language: English
Posted: Nov 2, 2026

Original job description

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 50% of the TimeDescription

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 has an opening for a Principal / Sr. Principal Software Engineer - Onsite Customer Integration to join Global Surveillance Division supporting the E-2D team of qualified, diverse individuals. This position is located onsite in Patuxent River, MD.

Responsibilities include deploying, automating, maintaining, troubleshooting, and improving the systems and software infrastructure. This role requires you to have hands-on technical experience and a can-do approach towards environment automation and management along with continuous improvements. You will be involved in the design and implementation of application builds, releases, deployment, and configuration activities.

The Software Engineer will participate in the full lifecycle of software development, including requirements development, modeling and design, application development, unit to CSCI testing, software-hardware integration, formal system testing, release, installation, and maintenance. The Software Engineer will apply technical expertise in solving complex integrations problems. The Software Engineer will interact with Program Management, external suppliers and/or government customers. Therefore, excellent verbal, written, and interpersonal skills are required. Experience in OS configuration, bash scripting, C/C++, or other OOP languages, and networking in a Linux environment is strongly desired.

Essential Functions:

Full lifecycle design, implementation, and unit testing of software
Work with various team members and customers to integrate functionality with other software components.
Supporting the gathering and reporting software metrics.
Follow program software best practices.
Develop software products within all phases of the software lifecycle.
Work closely with engineers and technicians in a lab environment
Review, analyze, and incorporate technical requirements into end-to-end system architectures
Frequent travel required up to 50%
Ability to work with multiple teams and provide leadership to drive solutions of complex problems.
Support software working groups with the customer.
Develop and share technical documentation and presentations.

This position may be filled at either a Principal Software Engineer Level 3 or a Sr. Principal Software Engineer Level 4

Basic Qualifications:

(Principal Software Engineer, Level 3) Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related engineering experience; OR a Master’s degree in a STEM discipline and 3 years of related engineering experience; OR a PhD in a STEM discipline and 1 years of related engineering experience.
(Sr. Principal Software Engineer, Level 4) Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 8 years of related engineering experience; OR a Master’s degree in a STEM discipline and 6 years of related engineering experience; OR a PhD in a STEM discipline and 4 years of related engineering experience
Development experience with C/C++ or other OOP languages.
At least 3 years of experience working on integration of technical solutions for a software product.
At least 3 years of experience working on a project with formal requirements and test.
Ability to travel from Pax, MD to Melbourne, FL. Must be able to spend at least one week a month in Melbourne, FL
Must have the ability to obtain and maintain a US Government clearance and Special Access Program (SAP) within a reasonable amount of time as determined by business needs (interim secret clearance required to start)

Preferred Qualifications:

Experience working with remote teams in closed environments.
Experience with System Engineer principals and Software Architecture best practices.
Experience with writing, reviewing and integrating formal requirements and maintaining matrix of requirements to test cases.
Experience with writing, reviewing, and updating formal test procedures.
Presenting at formal SETR events such as PDR, CDR, and TRR.
Active TS/SCI, SAP/SAR access, or Polygraph is preferred.

Primary Level Salary Range: $98,400.00 - $171,000.00

Secondary Level Salary Range: $122,800.00 - $213,400.00

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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