RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% 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. 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 software for embedded systems using C/C++.
Experience developing using .NET Framework on Windows.
Experience with Python.
Experience developing software on Agile teams with a strong track record of delivering solutions.
Experience with Real-Time Operating Systems.
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.
Experience developing software for embedded systems using C/C++.
Experience developing using .NET Framework on Windows.
Experience with Python.
Experience developing software on Agile teams with a strong track record of delivering solutions.
Experience with Real-Time Operating Systems.
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:

Knowledge of radio frequency (RF), and/or satellite/terrestrial communications systems and techniques.
Experience with Zephyr RTOS.
Experience with scripting languages such as Python, Powershell, or Perl.
Experience with Java programming language.
Experience with Xilinx software.
Experience working with Microsoft Azure DevOps for CI/CD pipelines, work item tracking, and project management.
Experience writing software design documentation with Doxygen or other documentation tools.
Familiarity with Git version control system.

Primary Level Salary Range: $125,300.00 - $187,900.00 Secondary Level Salary Range: $156,400.00 - $234,600.00 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

U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

We are a pioneering company. With careers across all areas: air, cyber, land, sea and space – our 90,000 employees work as one to defend and define the future. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will give you every opportunity to do your best work. Working together with people from many backgrounds, personal passions and disciplines, we share a drive to push the boundaries of science, technology and engineering to meet the ever evolving needs of our customers worldwide.

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