[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Northrop Grumman # Principal / Sr. Principal Software Engineer - Onsite Customer Integration United States-Maryland-Patuxent River +1 more On-site Full-time Senior individual contributor $98,400.00 - $171,000.00 Software Engineering Listed on Northrop Grumman’s official careers site. Posted November 2, 2026. Check that it is still open and apply there. [Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-Maryland-Patuxent-River/Principal---Sr-Principal-Software-Engineer---Onsite-Customer-Integration_R10257182-1) [OpenNash Jobs](https://jobs.opennash.com/) / [Northrop Grumman](https://jobs.opennash.com/companies/northrop-grumman/) / Principal / Sr. Principal Software Engineer - Onsite Customer Integration ## Job description ### RELOCATION ASSISTANCE Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 50% 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 - Onsite Customer Integration to join Global Surveillance Division supporting the E-2D team of qualified, diverse individuals. This position is located onsite in Patuxent River, MD. Responsibilities include deploying, automating, maintaining, troubleshooting, and improving the systems and software infrastructure. 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 involved in the design and implementation of application builds, releases, deployment, and configuration activities. The Software Engineer will participate in the full lifecycle of software development, including requirements development, modeling and design, application development, unit to CSCI testing, software-hardware 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. Experience in OS configuration, bash scripting, C/C++, or other OOP languages, and networking in a Linux environment is strongly desired. ### Essential Functions Full lifecycle design, implementation, and unit testing of software Work with various team members and customers to integrate functionality with other software components. Supporting the gathering and reporting software metrics. Follow program software best practices. Develop software products within all phases of the software lifecycle. - Work closely with engineers and technicians in a lab environment - Review, analyze, and incorporate technical requirements into end-to-end system architectures Frequent travel required up to 50% - Ability to work with multiple teams and provide leadership to drive solutions of complex problems. Support software working groups with the customer. Develop and share technical documentation and presentations. This position may be filled at either a Principal Software Engineer Level 3 or a Sr. ### Principal Software Engineer Level 4 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. (Sr. 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. At least 3 years of experience working on integration of technical solutions for a software product. At least 3 years of experience working on a project with formal requirements and test. Ability to travel from Pax, MD to Melbourne, FL. Must be able to spend at least one week a month in Melbourne, FL 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 Experience working with remote teams in closed environments. Experience with System Engineer principals and Software Architecture best practices. Experience with writing, reviewing and integrating formal requirements and maintaining matrix of requirements to test cases. Experience with writing, reviewing, and updating formal test procedures. Presenting at formal SETR events such as PDR, CDR, and TRR. Active TS/SCI, SAP/SAR access, or Polygraph is preferred. ### Primary Level Salary Range $98,400.00 - $171,000.00 Secondary Level Salary Range: $122,800.00 - $213,400.00 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](http://www.northropgrumman.com/EEO). U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions. ## At a glance - Posted by the employer: Nov 2, 2026 - First seen by OpenNash: Nov 8, 2026 - Last checked: Nov 8, 2026 - Listed for: 6 days - Location: United States-Maryland-Patuxent River +1 more - Work arrangement: On-site - Employment type: Full-time - Pay: $98,400.00 - $171,000.00[Apply on Northrop Grumman’s careers site →](https://ngc.wd1.myworkdayjobs.com/Northrop_Grumman_External_Site/job/United-States-Maryland-Patuxent-River/Principal---Sr-Principal-Software-Engineer---Onsite-Customer-Integration_R10257182-1) ## More jobs at Northrop Grumman ### [Principal / Sr. Principal Software Engineer - Software Assurance](https://jobs.opennash.com/companies/northrop-grumman/jobs/19bc81bdd6402f76b1cc/) United States-California-El Segundo ### [Principal AI Engineer Software](https://jobs.opennash.com/companies/northrop-grumman/jobs/3145bec848da1be24a9a/) United States-California-San Diego ### [Principal AI Software Engineer (AHT)](https://jobs.opennash.com/companies/northrop-grumman/jobs/4ed32f6535ace610c354/) United States-Ohio-Beavercreek ### [Principal Antenna Test Software Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/c2e775d704198906442d/) United States-Maryland-Baltimore ### [Principal Cyber Software Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/50fb64de382ca80c64c6/) United States-Ohio-Cincinnati ## Similar jobs at other companies ### [Principal Stress Engineer IV(Onsite)](https://jobs.opennash.com/companies/rtx/jobs/46fa32d7331b5e5cb61a/) RTX · EVERETT, WA, US ### [Principal Platform Software Engineer (Onsite)](https://jobs.opennash.com/companies/rtx/jobs/3f1b5607d9f204a0e111/) RTX · PLANO, TX, US ### [Principal Software Development Engineer, Object Storage | Onsite in Nashville, TN | Relocation Assistance Available](https://jobs.opennash.com/companies/oracle/jobs/9815b9ff69d9fcc8b36b/) Oracle · Nashville, TN, United States ### [Principal Actuarial Analyst - Reinsurance | Fully Onsite](https://jobs.opennash.com/companies/allianz/jobs/4cd550401ca06d524eec/) Allianz · Minneapolis, Minnesota, United States ### [Principal Systems Engineer (Onsite)](https://jobs.opennash.com/companies/bae-systems/jobs/a147b9220d8425ae4e38/) BAE Systems · Springfield, Virginia, United States [Software Engineering jobs](/functions/software-engineering/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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