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Principal Engineer Software

Northrop Grumman

$110,300 - $165,500
Sep 25, 2025
Chantilly, VA, USA
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Northrop Grumman Mission Systems is seeking a Principal Software Engineer to join their team at the SIGINT Technology Center (STC) to develop software that will integrate onto hardware, supporting mission-focused programs ranging from UAV SIGINT payload development to data link development and OCONUS/CONUS mission/maintenance support.

Requirements

  • Experience throughout the entire software development lifecycle from requirements gathering, to design, implementation, test, and deployment.
  • Proficient in C/C++ and Java Development
  • Proficient in Unix/Linux Operating System
  • Experience scripting (i.e. Python, Bash, etc.)
  • Experience Low-level debugging
  • Experience with networking protocols: TCP/IP, IPv4. UDP
  • Experience supporting test events / demonstrations to customers

Responsibilities

  • Work in a multidisciplinary team to develop software that will integrate onto hardware.
  • Configure and test the software on the hardware while supporting varying evolutions of demonstrations to various stakeholders at multiple locations.
  • Responsibilities include software design, embedded software development with unit test via simulation drivers or with mocked hardware, application, and/or processing algorithms, software and hardware system integration, troubleshooting, re-factoring, hands-on build and test, field operations and maintenance, training, and production activities.
  • Develop software system architectures based on evolving mission needs, emerging technologies, operational environment, and schedule milestones.
  • Work with stakeholders to design, build, and maintain mission critical systems.
  • Provide technical oversight of the design, development, and integration of software components.
  • Synthesize software requirements into verification requirements, software test objectives, success criteria, and required resources for software CSCI level tests and demonstrations.

Other

  • Must have an active Secret security clearance with the ability to obtain and maintain an active US DoD TS/SCI and the ability to get Special Program Access (U.S. citizenship is a pre-requisite).
  • Demonstrated effective communication skills
  • Participate in CONUS and OCONUS integration, test, and demonstration events.
  • RELOCATION ASSISTANCE: Relocation assistance may be available
  • TRAVEL: Yes, 25% of the Time