Sr Principal Engineer Software

Posted:
4/16/2026, 11:44:25 PM

Location(s):
Oklahoma, United States ⋅ Oklahoma City, Oklahoma, United States

Experience Level(s):
Expert or higher ⋅ Senior

Field(s):
Software Engineering

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 is seeking an experienced Sr Principle Software Engineer to join our dynamic team.  This position will support our Aeronautics Systems sector in Oklahoma City, OK.

The selected candidate will join our team of software engineers to:

  • Support the development of Strategic Operating Units, executing both sustainment and modernization programs. 

  • Contribute to software engineering initiatives for several programs with software design & development, software test and integration, and DevOps expertise

  • Use a variety of software languages, technologies, and industry best practices.  

  • Support all phases of the development life cycle for flight, mission, lab and tools software.

Key Responsibilities:

  • Leadership and standup of large-scale software factory used by software teams

  • Implement and maintain DevSecOps lifecycle - continuous build, continuous integration, continuous test, continuous cyber, and continuous deployment pipeline

Basic Qualifications:

  • Bachelor’s degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 8 years of experience in software engineering OR a Master’s degree in a (STEM) discipline from an accredited university and 6 years of experience in software engineering OR a PhD degree in a (STEM) discipline from an accredited university and 4-years of experience.

  • Experience with at least one object-oriented programming language (Java, JavaScript, C++, C#, Python, Swift) and software development lifecycle

  • Must have experience with one of the following change management tracking system tools: Jira, ClearQuest, Asana

  • Must have experience with one of the following configuration management systems: GIT, GitLab, GitHub, Bitbucket, Subversion

  • Active DoD Secret level clearance OR Top Secret (in-scope), with the ability to obtain (and maintain) special program access (PAR).

Preferred Qualifications:

  • Experience with cloud technology (AWS, VMWare, Azure, Kubernetes)

  • Experience with developing software using agile processes (Kanban, Scrum, Scrumban)

  • Knowledge of software metrics

  • Experience with configuration of virtual machines (VMs) and virtual networks (VPC, NSX-T, NSX-V)

  • Experience with static, dynamic code analysis

  • Experience with operation of cyber remediation and Risk Management Framework (RMF)

  • Certification from VMWare, AWS, or Cisco is desired

  • Active Secret DoD Clearance with the ability to obtain and maintain a Top Secret Clearance

  • Current Special Access Program (SAP) clearance

Primary Level Salary Range: $116,300.00 - $174,500.00

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.

Northrop Grumman

Website: https://northropgrumman.com/

Headquarter Location: Falls Church, Virginia, United States

Employee Count: 10001+

Year Founded: 1994

IPO Status: Public

Last Funding Type: Grant

Industries: Data Integration ⋅ Manufacturing ⋅ Remote Sensing ⋅ Security ⋅ Software