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.
Skills Required
- Bachelor's degree in a STEM discipline and 5 years of related engineering experience; or master's degree and 3 years; or PhD and 1 year for Principal level
- Bachelor's degree in a STEM discipline and 8 years of related engineering experience; or master's degree and 6 years; or PhD and 4 years for Senior Principal level
- Development experience with C/C++ or other object-oriented programming languages
- At least 3 years of experience integrating technical solutions for a software product
- At least 3 years of experience working on projects with formal requirements and testing
- Ability to travel from Patuxent River, Maryland, to Melbourne, Florida, including at least one week per month in Melbourne
- Ability to obtain and maintain a U.S. government clearance and Special Access Program access; interim Secret clearance required to start
- Experience working with remote teams in closed environments
- Experience with systems engineering principles and software architecture best practices
- Experience writing, reviewing, and integrating formal requirements and maintaining requirements-to-test-case matrices
- Experience writing, reviewing, and updating formal test procedures
- Experience presenting at formal SETR events such as PDR, CDR, and TRR
- Active TS/SCI, SAP/SAR access, or polygraph
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Healthcare Strength — Health coverage offers multiple medical plan options by region alongside dental, vision, mental‑health resources, and wellness programs. Recent materials also highlight added family‑building support, including a dedicated fertility benefit.
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Retirement Support — The 401(k) savings plan is positioned as competitive with a company match, auto‑escalation features, and access to an employee stock fund/ESPP. Official filings and benefits guides emphasize retirement as a core element of the Total Rewards package.
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Leave & Time Off Breadth — Many sites offer a 9/80 schedule, generous PTO, paid holidays, and flexible/telework options where program needs allow. Paid parental and caregiver leave are prominently featured, with recent enhancements for the delivering parent.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.







