Sr Principal Engineer Software

Responsibilities will include deploying, automating, maintaining, troubleshooting, and improving the systems and software infrastructure running smoothly. 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 a team member working in agile development process. You will be responsible for the design and implementation of application builds, releases, deployment along with configuration activities. Your responsibilities will include working with internal business partners to gather requirements, prototyping, and architecting complex solutions supporting the building and test plan execution, performing quality reviews, and triaging and fixing operational issues. The candidate will assist with the integration, troubleshooting and testing of implemented software changes.
The ideal candidate will have the ability to take ownership of ambiguous hard problems and drive them to a solution, while working in a team environment. It is critical that you understand the software development life cycle and have an in-depth knowledge of automated testing to facilitate and analyze large data sets. The Software Engineer will develop, modify, and maintain customized or standardized applications using software engineering best practices and standards, and 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 ideal candidate will have the ability to take ownership of hard problems and drive to a solution, while working in a team environment and provide leadership for its implementation.
Your responsibilities will include working with internal business partners to gather requirements, prototyping, and architecting complex solutions supporting the building and test plan execution, performing quality reviews, and triaging and fixing operational issues. 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. It is critical that you understand the software development life cycle and have an in-depth knowledge of automated testing to facilitate and analyze large data sets. Documents product/service requirements and test procedures to ensure user requests are carried out. You will be required to interact with Program Management, external suppliers and/or government customers. Excellent verbal, written and interpersonal skills are required. A solid experience in bash scripting, C/C++, or other OOP languages, in a Linux environment is required.
Essential Functions:

Participate in the full life cycle of software development, including requirements development, modeling and design, application development, unit to CSCI testing, integration, formal system testing, release, installation, and maintenance

Apply technical expertise in solving complex integrations problems

Interact with Program Management, external suppliers and/or government customers.

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

Gather and report software metrics

Support software working groups with the customer

Ensure software best practices are implemented

Develop software products from all phases of the software lifecycle

Ability to analyze the system as a whole and determine potential impacts of integrating new technologies

Ability to debug complex problems, often working with Systems Engineering

Basic Qualifications:

(Senior Principal Engineer Software) bachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline and 8 or more years of experience in software engineering OR a Master's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline and 6 or more years of experience in software engineering, or a Ph.D. with 2 or more years of experience in software engineering.

Development experience developing software in a Linux and Windows environment.

Development experience with debugging software in both the desktop and target environments.

Experience in Monte Carlo analysis

Experience with Agile software development

Expertise in developing software with C/C++ or other OOP languages.

Development experience with Bash or other Linux scripting

US citizen with ability to obtain and maintain a DoD Secret level security clearance.

The ability to obtain and maintain special program access is also required

Preferred Qualifications:

U.S. Citizen and an Active Top Secret Clearance with issue/reissue in the last 5 years and the ability to obtain and maintain a special program access clearance

Experience with the Atlassian tool suite with add-ons like Git and Confluence

Experience with Ansible

Development experience with Windows and Linux development

Proficient in Ada, C++, Python, Java

Excellent customer interaction skills

Excellent oral and written communication skills and Strong interpersonal skills.

Primary Level Salary Range: $122,800.00 - $184,200.00The 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.

Client-provided location(s): Melbourne, FL

Job ID: NorthropGrumman-R10225415

Employment Type: OTHER

Posted: 2026-03-14T20:12:28