Sr Principal Software Engineer

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: None 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 Mission Systems is a trusted provider of mission-enabling solutions for global security. We have a wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies. Our differentiated battle management and cyber solutions deliver timely, mission-enabling information and provide superior situational awareness and understanding to protect the U.S. and its global allies. Northrop Grumman Mission Systems is looking for you to join our team as a Sr. Principal Software Engineer to join the MS Data & Analytics organization. This is a remote role and can be performed virtually. Occasional travel or short-term site visits may be required (up to 10% travel). This is a remote position and can be performed virtually; however, the ideal candidate will be located in or near a city where Northrop Grumman has a facility (for example: Baltimore, MD; Huntsville, AL; Rolling Meadows, IL, San Diego, CA). This position will work a 9/80 A schedule, with every other Friday off. What You'll Get To Do: Join the MS Data & Analytics organization. Our Data & Analytics team partners with engineers to turn complex technical data into actionable insight. We design and maintain pipelines, data models, and interactive displays tailored to engineering workflows, and we build AI-enabled capabilities that help teams diagnose issues, optimize performance, and accelerate delivery. The group primarily supports Mission Systems engineering programs, enabling data-driven decisions across a wide range of products and missions. In addition, you will also get to: * Lead end-to-end full stack development of Data & Analytics products, from technical discovery to solution design through implementation testing, and deployment. * Design and build intuitive and performant user interfaces for complex engineering data. * Collaborate with Product Owners, engineers, systems engineers, testers, and SMEs to understand requirements and translate them into scalable and maintainable solutions. * Use stakeholder and product data to inform technical decisions, prioritize features, and shape product architecture and roadmaps. * Create and maintain artifacts, including API designs, {data structure}, well-structured documented code for both front end and back end components. * Communicate technical rationale and tradeoffs to stakeholders and development team, advocating for the best possible user experience. * Support implementation across the stack by working closely with other developers, clarifying requirements and edge cases, reviewing code, and validating features. * Mentor and engage across disciplines to promote SW Engineering best practices and modern full stack development techniques and a strong technical culture within the Data & Analytics / EMR organization. Basic Qualifications: * Bachelor’s degree and 8 years software engineering experience; 6 years with a Master’s degree; 4 years with a PhD; may be able to consider an additional 4 years of experience in lieu of degree. * Proficient in REACT, Mongo DB, Python, and TypeScript. * Experience building and consuming RESTful APIs. * Experience with version control (Git) and CI/CD practices. * Knowledge of secure coding practices and basic authentication/authorization concepts. * Experience working in Agile/Scrum teams and collaborating with cross-functional stakeholders. * Demonstrated ability to work collaboratively with diverse teams while consistently bringing positive energy and a can‑do attitude to the workplace. * U.S. Citizenship and the ability to obtain and maintain a U.S. Government Secret clearance is required. Preferred Qualifications: * Degree in Computer Science, Engineering, or a related STEM discipline * Proficient in Node.js/Express Primary Level Salary Range: $129,300.00 - $193,900.00 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.