
Principal / Senior Principal Cyber Software Engineer
Real job — pulled straight from Northrop Grumman’s careers page · Verified September 11, 2026 · No reposts.
Job description
Northrop Grumman is hiring a Principal / Senior Principal Cyber Software Engineer — a full-time, based in Chantilly, VA role ($125k–$235k). Apply directly on Northrop Grumman's careers page below.
Principal / Sr. Principal Cyber Software Engineer
Location: United States-Virginia-Chantilly
Time Type: Full time
Job Description
RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: PolygraphTRAVEL: Yes, 10% of the TimeDescription
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.Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today.
At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to enable strategic planning. We’re looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we’ll support expanding your personal network and developing skills, whether you are new to the field, or an industry thought leader. At Northrop Grumman, you’ll have the resources, support, and team to do some of the best work of your career.
Northrop Grumman Mission Systems is seeking an experienced Principal / Senior Principal Cyber Software Engineer to join our team supporting a program in the Signals Intelligence Mission Solutions (SMS) Department.
This position will be located at a Mission Systems Sector site in Chantilly, VA.
As a Principal/Senior Principal Cyber Software Engineer, you will have the following responsibilities:
- Develop and deliver software to meet mission partner requirements.
- Develop both user and developer-level documentation.
- Participate in setting the team’s technical direction in alignment with operational requirements and the sponsor’s technical roadmap.
- Collaborate with the team to review and improve processes (development, test, governance, stakeholder interactions),
- Communicate project status, roadblocks, technical and process proposals to the team and stakeholders.
- Prioritize development efforts with mission partners.
- Define the complexity, scope, and resources needed to integrate new requirements.
Basic Qualifications for Principal (T03):
- Active Top Secret/SCI security clearance with poly to be considered. TS/SCI with poly eligibility must be in place by the start date and must stay in place through employment.
- Minimum 5 years’ experience with Bachelor’s in Science; 3 years’ experience with Masters; 1 years’ experience with PhD.
- Proficient in C#.
- Proficient in C.
- Experience developing using .NET Framework on Windows.
- Experience with PowerShell.
- Experience developing software on Agile teams with a strong track record of delivering solutions.
- Knowledge of software development life cycle.
- Strong creative problem-solving and troubleshooting skills, with the ability to visualize and implement innovative solutions to problems.
- Strong ability to collaborate and excel on a team.
Basic Qualifications for Senior Principal (T04):
- Active Top Secret/SCI security clearance with poly to be considered. TS/SCI with poly eligibility must be in place by the start date and must stay in place through employment.
- Minimum 8 years’ experience with Bachelor’s in Science; 6 years’ experience with Masters; 4 years’ experience with PhD.
- Proficient in C#.
- Proficient in C/C++.
- Experience developing using .NET Framework on Windows.
- Experience with Powershell.
- Experience developing software on Agile teams with a strong track record of delivering solutions.
- Knowledge of software development life cycle.
- Strong creative problem-solving and troubleshooting skills, with the ability to visualize and implement innovative solutions to problems.
- Strong ability to collaborate and excel on a team.
Preferred Qualifications:
- Experience developing software for embedded systems using C/C++.
- Experience with reverse engineering tools such as Ida Pro or Ghidra.
- Experience with x64 assembly language.
- Experience with kernel-level software development.
- Experience with Python.
- Experience working with Microsoft Azure DevOps for CI/CD pipelines, work item tracking, and project management.
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Frequently asked questions
What is the salary for Principal / Senior Principal Cyber Software Engineer at Northrop Grumman?
The estimated salary range for Principal / Senior Principal Cyber Software Engineer at Northrop Grumman is $125,000 - $235,000 USD per year.
What skills are required for Principal / Senior Principal Cyber Software Engineer at Northrop Grumman?
The required skills for Principal / Senior Principal Cyber Software Engineer at Northrop Grumman include: C#, C, C++, PowerShell, Agile, Python, Assembly, Azure DevOps.
What is the seniority level for Principal / Senior Principal Cyber Software Engineer at Northrop Grumman?
Principal / Senior Principal Cyber Software Engineer at Northrop Grumman is a Principal / Senior level position.
How do I apply for Principal / Senior Principal Cyber Software Engineer at Northrop Grumman?
You can view the full description and apply for Principal / Senior Principal Cyber Software Engineer at Northrop Grumman on EchoJobs: https://echojobs.io/job/northrop-grumman-principal-sr-principal-cyber-software-engineer-ed2fp.