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.
Skills Required
- Active Top Secret/SCI security clearance with polygraph, or TS/SCI with polygraph eligibility in place by the start date and maintained through employment
- Bachelor of Science with at least 5 years of experience, or equivalent experience requirements of 3 years with a master's degree or 1 year with a PhD for the Principal level
- Bachelor of Science with at least 8 years of experience, or equivalent experience requirements of 6 years with a master's degree or 4 years with a PhD for the Senior Principal level
- Proficiency in C#
- Proficiency in C or C++
- Experience developing with .NET Framework on Windows
- Experience with PowerShell
- Experience developing software on Agile teams with a strong record of delivering solutions
- Knowledge of the software development life cycle
- Strong creative problem-solving and troubleshooting skills
- Strong collaboration and teamwork skills
- Experience developing embedded systems software 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 with Microsoft Azure DevOps for CI/CD pipelines, work item tracking, and project management
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.








