Sentinel Sr Principal Software Engineer - 15809

Northrop Grumman
Huntsville, AL
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE TYPE: Secret

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.


Northrop Grumman Defense Systems is seeking Sr. Principal Software Engineer . This position will be located in Huntsville , AL and will support the Sentinel program.

The successful candidate will be a motivated software developer who is comfortable with back-end programming as well as identifying COTS candidates. Driver Developers are responsible for developing and designing device drivers in a RTOS environment. Driver Developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

The successful candidate's responsibilities will include:

• Communicate effectively and clearly present technical approaches and findings.
• Develop technical solutions to complex problems which require the regular use of ingenuity and creativity.
• Perform work without appreciable direction.

Position Benefits:

As a full-time employee of Northrop Grumman Space 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

This position’s standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off. This role may offer a competitive relocation assistance package.

Job Qualifications:

• Sr. Principal Engineer Software: 8 Years with Bachelor’s in related field of study, 6 Years with Masters, 4 Years with PhD or 4 additional years in lieu of a degree.
• Active DoD Secret clearance - a reinvestigation date occurring in the last 6 years.
• US Citizenship with Ability to obtain Special Program Access (SAP)
• Proficient in C, C++ or Assembly
• Thorough understanding of Operating Systems such as VxWorks and Linux.
• A solid understanding in hardware architecture, Hardware Registers, Busses, Interrupts, Device Communication, and Protocols like PCI, SPI, I2C, UARTS, SERDES,
• Experience in CPU configuration, Cache Configuration, Flash, Memory map configuration, PCI tree static configuration


These Qualifications Would be Nice to Have:

• Embedded Controller experience like Arduino and DSP
• Proficient in Embedded Linux Development.
• Hands-on experience working with a Real Time Operating System (RTOS)
• Both VxWorks and Linux embedded development experience
• Device driver development experience
• Knowledge of Board Support Package development and Bootloaders

#Sentinelsoftware

Primary Level Salary Range: $131,100.00 - $196,700.00

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.
Posted 2026-02-10

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