RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 25% of the TimeDescriptionAt 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 a Principal Software Engineer in Bellevue, NE. In this role, you will have a challenging and rewarding opportunity to contribute to our enterprise-wide digital transformation. Through the use of DevSecOps and Agile practices, we continue to evolve how we deliver critical national defense products and capabilities for the warfighter. This position supports the OIX program -- a platform which provides secure messaging and cross-domain solution (CDS) products and services across the federal agencies and foreign partners. Our multi-disciplinary team including software, systems, cyber, and test engineers employ the latest cutting-edge technologies to deliver information across security domains.As a Principal Software Engineer, you will:Design, develop, document, test, and debug applications software and systems that contain logical and mathematical solutionsDevelop software utilizing modern programming languages to modernize and productionize software used to support United States Government requirementsImplement software systems, applications, and architectures that emphasize modularity, scalability, reliability, precision, accuracy, and performance to meet demanding requirements.Conduct multidisciplinary research and collaborate with equipment designers and/or hardware engineers in the planning, design, development, and utilization of electronic data processing systems for product and commercial softwareDetermine computer user needs; analyze system capabilities to resolve issues related to program intent, output requirements, input data acquisition, programming techniques, and controlsEnsure industry software engineering best practices and standards are applied and maintainedWork closely with Software Leads and Architects to understand program intent, system capabilities, and output requirementsSupport customers on site through installations, upgrades and continuous maintenanceThe position requires up to 25% travel and active Secret Clerance and eligibility for Top Secret Security Clearance and SCI, as well as the ability to meet customer-specific security screening requirements within a timeframe set forth by management. Basic Qualifications for a Principal Software Engineer (T03)Bachelor's degree in a STEM discipline with 5+ years of relative experience; Master's degree in a STEM discipline with 3+ years of relative experience; PhD + 1 year of relative experienceActive Secret security clearance enrolled in Continuous Evaluation, and ability to obtain TS/SCIAbility to meet customer-specific security screening requirements within a timeframe set forth by managementDemonstrated ability to analyze system requirements to derive software design and performance requirementsProven ability to design and code new software, as well as modify existing software to add new featuresAbility to debug existing software and correct defectsExperience with open software/system architecture solutionsExperience with Git-based or other software configuration management toolsAbility to work on-site in BellevuePreferred QualificationsExperience working in software application development on Linux in Java, Rust, Ada, shell scriptingExperience with Security Enhanced Linux (SELinux)Experience implementing Cyber Security controls on LinuxExperience with containers (Docker, Kubernetes)Experience with developing and maintaining CI/CD pipelinesFamiliarity with Agile lifecycle process including Scrum and DevSecOpsExperience developing or deploying Cross Domain SystemsExperience with supporting customers on site to include installation, maintenance and supportThis position is contingent upon the successful transfer of an active DoD Secret Clearance and the ability to meet customer-specific security screening requirements (TS/SCI) within a timeframe set forth by management.Primary Level Salary Range: $98,400.00 - $147,600.00The 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.