Principal / Sr. Principal Cyber Software Engineer

Posted 26 Days Ago
Be an Early Applicant
Chantilly, VA, USA
In-Office
125K-235K Annually
Senior level
Aerospace • Logistics • Security • Software • Cybersecurity
The Role
Develops mission-focused software for embedded systems, delivers user and developer documentation, helps set technical direction, improves development and testing processes, communicates project status, prioritizes requirements with mission partners, and defines integration scope and resources. The role requires C#, C/C++, .NET Framework, Python, real-time operating systems, Agile development, and a TS/SCI clearance with polygraph.
Summary Generated by Built In
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Polygraph

TRAVEL: 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 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 - $187,900.00Secondary 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 http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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
  • Principal level: 5 years of experience with a bachelor's degree, 3 years with a master's degree, or 1 year with a PhD
  • Senior Principal level: 8 years of experience with a bachelor's degree, 6 years with a master's degree, or 4 years with a PhD
  • Proficiency in C#
  • Proficiency in C
  • Experience developing embedded systems software using C or C++
  • Experience developing with .NET Framework on Windows
  • Experience with Python
  • Experience developing software on Agile teams with a strong record of delivering solutions
  • Experience with real-time operating systems
  • Knowledge of the software development life cycle
  • Strong creative problem-solving and troubleshooting skills
  • Ability to collaborate and work effectively on a team
  • Knowledge of radio frequency and/or satellite or terrestrial communications systems and techniques
  • Experience with Zephyr RTOS
  • Experience with scripting languages such as Python, PowerShell, or Perl
  • Experience with Java
  • Experience with Xilinx software
  • Experience with Microsoft Azure DevOps for CI/CD pipelines, work item tracking, and project management
  • Experience writing software design documentation with Doxygen or similar tools
  • Familiarity with Git version control

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.

  • 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.
  • 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.
  • 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

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The Company
HQ: Charlotte, North Carolina
85,636 Employees

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.

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