Northrop Grumman Defense Systems is seeking a Principal or Senior Principal level Software Engineer to fill a very important role in Huntsville, AL.
The selected candidate will be responsible for designing, maintaining, updating, and documenting sensor registration algorithm and software functionality including capabilities supporting multiple sensors per platform and multiple platforms in local and remote tracking networks. Investigate and prototype sensor registration approaches for new sensors and stakeholder-defined capabilities, respond rapidly to urgent software behavior issues and anomalies, and analyze test data to diagnose tracking and bias estimation anomalies while developing and implementing mitigations. Familiarity with Kalman filters, statistical methods, and radar tracking algorithms is highly preferred.
Qualification updates:
Basic Qualifications:
- Principal level- 5 Years of relevant experience with a Bachelor's degree in STEM field; 3 Years relevant experience with Masters degree; 0 Years of relevant experience with PhD
- Sr Principal level- 9 Years of relevant experience with a Bachelor's degree in STEM field; 7 Years relevant experience with Masters degree; 4 Years of relevant experience with PhD
- C/C++,
- MATLAB
- Geodetic Registration experience
- Active Secret Security Clearance
Preferred Qualifications:
- Java
- Python
- Experience with Integrated Battle Command System
- Experience with Joint Track Management Capability Bridge
- MBSE (Cameo)
Skills Required
- Principal level: 5 years relevant experience with Bachelor's; 3 years with Master's; 0 years with PhD
- Sr Principal level: 9 years relevant experience with Bachelor's; 7 years with Master's; 4 years with PhD
- C/C++
- MATLAB
- Geodetic Registration experience
- Active Secret Security Clearance
- Familiarity with Kalman filters, statistical methods, and radar tracking algorithms
- Java
- Python
- Experience with Integrated Battle Command System
- Experience with Joint Track Management Capability Bridge
- MBSE (Cameo)
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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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
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.






