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Principal/Senior Principal Systems Engineer

Requisition ID: R10106135

  • CategoryCategory: Engineering
  • LocationLocation: Linthicum, MD, USA
  • Citizenship RequirementsCitizenship Required: United States Citizenship
  • Security Clearance TypeClearance Type: Secret
  • TelecommuteTelecommute: No- Teleworking not available for this position
  • ShiftShift: 1st Shift (United States of America)
  • Travel RequirementsTravel Required: Yes, 10% of the Time
  • Relocation AssistanceRelocation Assistance: Relocation assistance may be available
  • Number of Positions AvailablePositions Available: 5

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.

Northrop Grumman Mission Systems Sector (NGMS) is a leading global provider of secure software-defined, hardware enabled mission systems. Our company is pioneering capabilities in a wide variety of sectors that keep our nation and our allies safe from undersea to space and cyberspace. NGMS is seeking a Systems Engineer and Principal Systems Engineer to join out Secure Processing team within the Systems Organization. As a Systems Engineer at Northrop Grumman you will have a challenging and rewarding opportunity to be a part of our Enterprise-wide digital transformation. Through the use of Model-based Engineering, DevSecOps and Agile practices we continue to evolve how we deliver critical national defense products and capabilities for the warfighter. Our success is grounded in our ability to embrace change, move quickly and continuously drive innovation. The successful candidate will be collaborative, open, transparent, and team-oriented with a focus on team empowerment & shared responsibility, flexibility, continuous learning and a culture of automation.

The selected Systems or Principal Systems Engineer is responsible for testing device drivers, middleware, and applications developed by software engineers for use on Linux and/or VxWorks Platforms.  They will help with the development of system and software requirements, and technical specifications.  They will help identify risks, suggest mitigation, track defects, develop resolutions, and report status.  They will collaborate with engineers to integrate, debug, and verify the developed software and drivers. They will help with writing and executing system and software unit tests to verify and validate requirements and other assigned duties.

This position is located in Linthicum, MD.

This requisition may be filled at a higher grade based on qualifications listed below.

This position may be filled at either a Principal Engineer or Senior Principal Level:

Basic Qualifications for Principal Engineer Level:

  • Bachelor's Degree in Computer Science, Computer Engineering, Electrical Engineering or other STEM (Science, Technology, Engineering, Mathematics) discipline
  • 5 Years with Bachelors in Science; 3 Years with Masters; 0 Years with PhD
  • Knowledge and/or experience with C/C++, Python, JAVA or other SW languages
  • HW/SW and SW/SW integration skills
  • Experience working in Linux and/or VxWorks
  • Ability to obtain a security clearance

Basic Qualifications for Senior Principal Level:

  • Bachelor's Degree in Computer Science, Computer Engineering or other STEM (Science, Technology, Engineering, Mathematics) discipline
  • 9 Years with abachelor's in science; 7 Years with Masters; 4 Years with PhD
  • Ability to obtain a security clearance
  • Knowledge of cryptography
  • Strong knowledge and/or experience with C/C++, Python, JAVA or other SW languages
  • Strong HW/SW and SW/SW integration skills
  • Advanced experience working in Linux and/or VxWorks

Preferred Qualifications:

  • Secret Clearance
  • Experience working in agile teams
  • Hands on experience working in embedded real time operating systems, both kernel and application side development (e.g Linux, VxWorks, ZephyrOS, FreeRTOS, Greenhills Integrity)
  • System Boot experience (barebox, uboot, uefi, BIOS)
  • Bare metal development
  • Size and speed optimizing software for embedded platforms
  • Modifying and integrating open source software
  • Experience in cryptography
  • Experience developing and testing SW in C/C++, Python, JAVA, JVM and/or RMI
  • Experience  integrating systems HW/SW and/or SW/SW
  • Experience with device driver and middleware development.
  • Experience developing register-level models of hardware IP in SystemC/TLM2
  • Experience developing Device Tree files for custom hardware
  • Experience developing boot software (First stage bootloader, U-boot, UEFI, etc) for custom boards
  • Tools: Git, Atlassian (BitBucket, Confluence, Jira), Jenkins, static & dynamic code analysis

As a full-time employee of Northrop Grumman Mission Systems, you are eligible for our robust benefits package including: 

  • Medical, Dental & Vision coverage
  • 401k
  • Educational Assistance
  • Life Insurance
  • Employee Assistance Programs & Work/Life Solutions
  • Paid Time Off
  • Health & Wellness Resources
  • Employee Discounts 


Link to Benefits:


Salary Range: $96,900 USD - $145,300 USD
Salary Range 2: $120,000 USD - $180,000 USD

Employees may be eligible for 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 health and safety of our employees and their families is a top priority. The company encourages employees to remain up-to-date on their COVID-19 vaccinations. U.S. Northrop Grumman employees may be required, in the future, to be vaccinated or have an approved disability/medical or religious accommodation, pursuant to future court decisions and/or government action on the currently stayed federal contractor vaccine mandate under Executive Order 14042

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action 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/AA and Pay Transparency statement, please visit U.S. Citizenship is required for most positions.

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What's great about
Northrop Grumman

  1. Be part of a culture that thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work.
  2. Use your skills to build and deliver innovative tech solutions that protect the world and shape a better future.
  3. Enjoy benefits like work-life balance, education assistance and paid time off.

Did you know?

Northrop Grumman leads the industry team for NASA’s James Webb Space Telescope, the largest, most complex and powerful space telescope ever built. Launched in December 2021, the telescope incorporates innovative design, advanced technology, and groundbreaking engineering, and will fundamentally alter our understanding of the universe.