Sr. Principal Software Engineer

ngc; Huntsville (AL); On-site; USD 136,000 - 204,000; Full time

Benefits offered by this job

Health insurance

Paid time off

Savings plan

Job summary

Northrop Grumman is hiring a Sr. Principal Software Engineer in Huntsville to design, develop, and maintain software for Global C2 missions.

You will join SAFe Scrum teams across multiple baselines for the IBCS program, delivering robust applications while adapting to evolving mission needs and technologies. The role requires strong OO programming in Java/C++, JavaFX UI experience, Linux environments, and proficiency with scripting (Bash, Perl, Python).

Qualifications

• Bachelor’s degree in a STEM field with 8+ years of relevant experience, Master’s degree with 6+ years, or PhD with 4+ years.
• Strong object‑oriented software development experience in Java and C++, plus UI development with JavaFX.
• Proficiency in scripting: Bash, Perl, Python.
• Linux-based development and runtime environments.
• Experience with Git/GitLab and modern configuration management.
• Ability to obtain and maintain DoD Secret Clearance.

Responsibilities

• Design, develop, document, test, and debug software systems for Global C2 missions.
• Participate on SAFe Scrum teams to develop software across multiple baselines for the IBCS program.
• Work in a fast-paced, collaborative environment with diverse assignments.
• Provide solutions to complex problems aligned with program objectives.
• Demonstrate flexibility and willingness to learn new technologies as needed.
• Develop and upgrade software across languages while preserving operational behavior.
• Build and maintain user interfaces using JavaFX.
• Support documentation using Markdown and collaboration tools.
• Assist with testing including unit/functional, code coverage, and static analysis.

Skills

Java

C++

JavaFX

Bash

Perl

Python

SAFe

Linux

Git / GitLab

Security Clearance

Education

Bachelor’s degree in STEM

Master’s degree in STEM

PhD in STEM

Tools

Jenkins

Eclipse

VS Code

Cameo

OSGi

RTI/DDS

Link 16 interfaces

Job description

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: 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.

Responsibilities / Essential Functions

• Design, develop, document, test, and debug applications and software systems that implement logical and mathematical solutions for Global C2 missions.
• Participate on Scaled Agile Framework (SAFe) Scrum teams to develop and maintain software products across multiple software baselines for the IBCS program.
• Work in a fast-paced environment with high expectations, diverse assignments, and collaborative team settings across all levels of the organization.
• Provide technical solutions to a wide range of complex and difficult problems that are imaginative, thorough, practicable, and aligned with program objectives.
• Demonstrate flexibility and adaptability; be willing to learn new technologies and operate outside your comfort zone as mission and program needs evolve.
• Perform software development and upgrades in multiple programming languages/versions while minimizing changes to the operational behavior of tactical software.
• Develop and maintain user interfaces using JavaFX and related technologies, as applicable.
• Support documentation creation and updates using Markdown and other collaboration tools.
• Support testing activities including unit and functional testing, code coverage analysis, and static code analysis; contribute to continuous improvement of test effectiveness and automation.

Basic Qualifications

• Sr. Principal Software Engineer- Bachelor's degree in a STEM field and at least 8 years of relevant experience, Master's degree in STEM field and 6 years of relevant experience, or PhD in STEM field and 4 years
• Strong object-oriented software development experience with:
  • Java
  • C++
  • User interface development experience using JavaFX
• Experience with scripting languages and tools, including:
  • Bash (including SSH and SCP)
  • Perl
  • Python
• Proficiency in Linux-based development and runtime environments.
• Experience with modern configuration management and source control tools (Git / GitLab).
• Ability to obtain and maintain DoD Active Secret Clearance.

Preferred Qualifications

• Experience with Model‑Based Systems Engineering (MBSE), including Cameo or similar tools.
• Experience utilizing Jenkins or similar CI/CD pipelines to build, integrate, and test software.
• Experience supporting real-time or distributed systems using RTI/DDS publish/subscribe middleware.
• Experience with the Open Service Gateway initiative (OSGi) framework.
• CompTIA Security+
• Experience with XML for data exchange and configuration files.
• Experience using Eclipse, VS Code, or similar IDEs for Java/C++ development.
• Experience with external interfaces such as MIL‑STD‑6016 (Link 16), Blue Force Tracker (BFT), IBS, ADS‑B, or similar tactical data links.
• Radar track management experience on prior programs.

Primary Level Salary Range: $135,800.00 - $203,600.00The 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.