Principal / Sr. Principal Software Engineer - Infrastructure
Northrop Grumman
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Melbourne, FL · Posted November 12, 2026
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About the job
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 Aeronautics Systems Sector has an opening for a Principal / Sr. Principal Software Engineer - Infrastructure to join Global Surveillance Division supporting the team of qualified, diverse individuals. This position is located onsite in Melbourne, Florida.
Responsibilities include containerization and securing of applications, Operating System hardening and network security. The role requires deploying, automating, maintaining, troubleshooting, and improving the systems and software infrastructure for rapid deployment and maintainability of the infrastructure. This software role requires you to have hands-on technical experience with virtualization, environment automation and management, and continuous improvements.
The Software Engineer will participate in the full life cycle of software development, to include requirements development, modeling and design, application development, unit to CSCI testing, 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. Solid experience in OS configuration, bash scripting, C/C++, or other OOP languages, in a Linux environment is required. Ability to obtain and maintain a DoD secret security clearance and Special Program Access is required.
Roles & Responsibilities:
Work closely with engineers and technicians in a lab environment
Review, analyze, and incorporate technical requirements into end-to-end system architectures
Full lifecycle design, implementation, and unit testing of software.
Work with various team members to integrate functionality with other software components.
Ability to lead a team and/or provide leadership to drive solutions of complex problems.
Support software working groups with the customer.
Develop and share technical documentation and presentations.
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.
(Senior 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.
Development experience with a scripting language (e.g. Bash, Python)
Experience developing software in a Linux or Windows environment
Experience with remote software debugging
Excellent oral and written communication skills and Strong interpersonal skills.
Familiarity with the Agile software development process
Experience with configuration management using industry standard tools and processes.
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:
Familiarity with the Atlassian/GitLab tool suite, plugins, Git.
Familiarity with CI/CD pipelines and Atlassian/GitLab tools
Active certification at DOD 8570 IAT Level II (e.g. Security+) or greater
Familiarity with netbooting and overlay file systems
Familiarity with containerization technologies (Docker or Podman)
Experience with virtualization technology (e.g. VirtualBox, QEMU, KVM, vmWare)
Experience maintaining, hardening, and upgrading RHEL systems
Experience building managing RPMs from source
Hands-on experience implementing and managing Mandatory and Discretionary access control (MAC/DAC) policies, specifically utilizing SELinux or AppArmor.
Primary Level Salary Range: $98,400.00 - $147,600.00
Secondary Level Salary Range: $122,800.00 - $184,200.00
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.