2,286,838open jobs
145,393companies
276,895added this week
Browse all
Salary
$142k – $213k per year
Location
In office (United States)
Seniority
Principal · 9+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 15, 2026. First seen by Alion on Nov 11, 2026. Northrop Grumman scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Northrop Grumman is an American defence contractor whose oldest predecessor was founded in 1939, and which took its present form through the 1994 combination of Northrop and Grumman. It builds strategic systems including the B-21 Raider bomber and the Sentinel intercontinental ballistic missile programme, military and civil space systems, radars and electronic warfare equipment, autonomous aircraft, and mission systems and software for the United States armed forces and allied governments. Headquartered in Falls Church, Virginia and listed on the New York Stock Exchange, it earns the large majority of its revenue from the American government and employs close to one hundred thousand people.
RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: No

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.

Northrop Grumman Defense Systems (NGDS) is looking for a Sr Principal Software Engineer based out of Hollywood, MD ( St. Mary's County). Our Team works on state-of-the-art Mission Planning systems. This is a role in a large program that will support the full software product lifecycle in an Agile Scrum framework: requirement definition, estimation, implementation, unit testing, integration testing, SW/HW integration, test documentation, supporting test events, and customer support. The ideal candidate will be a cross-functional team player, willing to take on challenges, that collaborates with internal and external teams and that is driven to provide solutions to internal and external customers.

Responsibilities Include:

· Designs, develops, documents, tests and debugs applications software and systems that contain logical and mathematical solutions while ensuring software standards are met

· Maintain and improve the software CI/CD pipelines to enable fast, bug free delivery of critical business software to production

· Set up and deploy Development, Test, and Build environments

· Create and update Windows installers

· Install, test, and verify software products

· Provide support for the software build and installation

· Work within a Cross-Functional scrum to develop high-priority mission planning features.

· Understand third-party software and hardware peripherals to support implementation of software interfaces and support integration

· Develop software test products such as Verification Cross Reference Matrices to tie software requirements to software tests, Software Test Plans, Software Test Procedures, and Software Test Reports.

· Define and develop test approaches for new software and system capabilities.

· Compile data and define changes required in testing procedures or new testing requirements.

· Perform frequent Smoke Testing and frequent Acceptance Testing on SW builds.

· Resolve technical issues within a scrum, across scrums, and with the support of other functional roles.

· Interface on a technical level with the customer

· Support authoring and development of contract deliverable documentation that support deliverable software products and test events

· Help define automated test strategies.

· Support the Agile Framework as a Scrum Master, when required

All work must be performed on-site in Hollywood, MD

Basic Qualifications:

  • Bachelor's degree in STEM and a minimum of 9 years of relevant (Computer Science, etc.) experience, or 7 years of experience with a Master’s degree (Computer Science, etc.). Relevant (Computer Science, etc.) years of experience in lieu of degree may be considered
  • Current DoD Secret Clearance (adjudicated within the last 5 years), with ability to obtain a Top-Secret clearance and Special Access Program (SAP) clearances
  • Experience with/using Agile Methodology and Continuous Integration (CI) / Continuous Deployment (CD) Tools (Bamboo, Jenkins) and Practices
  • Current DoD Secret Clearance and ability to obtain SAP access
  • Experience as a Scrum Master
  • Proficiency in C# and/or Java and Object-Oriented Software Design paradigms
  • Experience with Microsoft Windows technologies
  • Test procedure development and maintenance
  • Experience supporting/coordinating formal test events
  • Experience with one or more of the following scripts: yaml, Python, PowerShell, Batch, Typescript
  • Automated test script or test procedure development and maintenance for software testing
  • Experience with automated testing and test software such as TestComplete 4
  • A functional understanding of how revision control systems (e.g., BitBucket, git, CVS, etc.) are used
  • Hands-on system troubleshooting skills

Preferred (Nice to Have) Qualifications:

  • Proficiency in C#, .NET Framework
  • Experience with Windows Presentation Foundation (WPF) and Microsoft Windows-based Applications
  • Experience with Microservice development and service communication protocols such as gRPC and/or REST
  • Experience with Software Design Patterns
  • Experience with/using Relational Databases, SQL
  • Experience with the Atlassian Tool Suite: Bitbucket, Jira, Confluence, Crucible/Fish-eye
  • Familiarity with/using/deploying to Cloud technology: Azure and/or AWS
  • Familiarity with/using Containers in Docker and/or Kubernetes
  • Experience with/using and/or managing these DevOps tools: Ansible, Terraform, Chef, or Puppet
  • Previous in-depth mission planning domain knowledge of program software design and code
  • Certified ScrumMaster® (CSM®) or Professional Scrum Master™ (PSM™) certification
  • Experience working with requirements in DOORS.
  • Demonstrated ability to implement process improvements, streamline activities, and develop efficiencies.
  • Strong interpersonal and analytic skills; Works well in a team-environment
  • Experience with Joint Mission Planning System (JMPS) Framework (FW
  • Exposure to Infrastructure as Code (IaC) development
  • Experience with Air Force mission planning
  • CompTIA Security+ Certification
  • Active Top-Secret Clearance (adjudicated within the last 5 years) and SCI/SAP access
Primary Level Salary Range: $142,200.00 - $213,400.00The 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.
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,286,838 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Backend
Remote, many countries
Similar stack
Same company
United States
Software Architect 2 days ago
$131k – $237k per year · In office · Top Secret · Full-Time · 12+ years exp · Huntsville
C++
AI/ML
CUDA
DevOps
CI/CD
Cybersecurity
Threat Modeling
Management
Agile
Scrum
Kanban
Apply
Hybrid · Full-Time · 14+ years exp · Bachelor's Degree · Akron
Apply
$134k – $174k per year · Remote (United States) · Full-Time · 8+ years exp · United States
JavaScript
TypeScript
SQL
C#
Databases
Azure Cosmos DB
AI/ML
Claude Code
Prompt Engineering
AI Agents
LLM
Frontend
Angular
DevOps
Rest API
GCP
Azure
CI/CD
AWS
Management
Agile
Apply
Remote (United States) · Full-Time · 8+ years exp · Bachelor's Degree · United States
Python
Databases
ElasticSearch
AI/ML
Claude
DevOps
Terraform
GCP
New Relic
OpenTelemetry
CloudFormation
CI/CD
AWS
Docker
Kubernetes
Apply
$150k per year · In office · 15+ years exp · Bachelor's Degree · Suitland
DevOps
Azure
CI/CD
AWS
Management
Agile
Apply
Remote (likely Europe) · Full-Time · 5+ years exp
Python
JavaScript
TypeScript
SQL
C#
C#
ASP.NET Core
Entity Framework Core
MassTransit
Databases
Azure SQL Database
AI/ML
Function Calling
AI Agents
LLM
Frontend
React.js
Mobile
Clean Architecture
DevOps
Azure
CI/CD
Docker
Kubernetes
Azure AKS
Analytics
Azure Data Factory
Apply
INTERNSHIP - Nursing 12 hours ago
In office · Internship · Master's Degree · Hartford
Apply
In office · Full-Time · 1+ year exp · Associate's Degree · United States
Apply
In office · 1+ year exp · Associate's Degree · United States
Apply
In office · 1+ year exp · Associate's Degree · United States
Apply
$42k per year · In office · Full-Time · United States
Apply
See all jobs
This is one of many
2,286,838 more open roles from verified company boards, updated every day.