Software Engineer – Principal Software Engineer

Northrop Grumman

. Design and develop data-backed web applications supporting manufacturing analysis and digitized operational processes .

Posted 10/28/2026full-timePalmdale • California • United StatesLead💰 $91,800 - $171,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing data-backed web applications, integrating with relational databases and enterprise systems, while applying software engineering practices for architecture, testing, and deployment. Possesses strong communication skills to convey technical direction and coordinate with stakeholders effectively.

Highest-signal resume keywords

Web Application DevelopmentSQL and Relational Data ModelingAPI Development and IntegrationSoftware Engineering PracticesTechnical Direction and Stakeholder Coordination

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Modern Programming LanguagesCRUD WorkflowsData Validation RulesApplication Logic ImplementationVersion ControlTesting and DebuggingDeployment PracticesData Quality and ConsistencyRelational DatabasesData Integration

Soft Skills

CommunicationCollaborationProblem-SolvingTechnical Direction

Certifications & Qualifications

U.S. Government Secret ClearanceU.S. Government Top-Secret Clearance

Industry Keywords

Manufacturing AnalysisOperational ProcessesData Science EngineeringGreenfield Web ApplicationsNonfunctional Requirements

Tech Stack

Tools & technologies

SQL

About the role

Key responsibilities & impact

Design and develop data-backed web applications supporting manufacturing analysis and digitized operational processes
Build user interfaces, APIs, services, and CRUD workflows for engineering and manufacturing teams
Implement application and business logic guiding operational workflows and maintaining data quality and consistency
Integrate web applications with relational databases, enterprise systems, analytical services, equipment or sensor data sources, and other technical interfaces
Apply software-engineering practices across architecture, implementation, testing, security, deployment, monitoring, documentation, and sustainment
Collaborate within Northrop Grumman Aeronautics Systems’ Data Science Engineering Team
Provide technical direction, resolve ambiguous requirements, and coordinate delivery across users and technical stakeholders at the Principal level
Communicate architecture, security, performance, risks, dependencies, and tradeoffs to technical and management audiences at the Principal level

Requirements

What you’ll need

Software Engineer: Bachelor’s degree with 1 year of technical and/or engineering experience, or a Master’s degree with 0 years of experience
Principal Software Engineer: Bachelor’s degree with 4 years of technical and/or engineering experience, or a Master’s degree with 3 years of engineering experience, or PhD with 0 years of experience
Hands-on experience developing software in one or more modern programming languages
Experience developing web applications with user interfaces, application or business logic, APIs or services, and relational databases
Experience implementing data-backed CRUD workflows, validation rules, authorization controls, or comparable business-process functionality
Practical knowledge of SQL and relational data modeling, including schemas, keys, relationships, and normalization
Experience integrating applications with databases, external data sources, enterprise systems, or other services
Experience using version control and applying testing, debugging, documentation, deployment, and release practices
Ability to obtain and maintain a U.S. Government Secret or Top-Secret Clearance and Program Special access within a reasonable period
Ability to work 1st shift (5am–3:30pm), 2nd shift (4:12pm–2:42am), and/or other work schedules
Ability to work at a workstation for up to 10 hours per shift; occasional standing, bending, and kneeling
Ability to travel at least 10%
Principal level: advanced experience designing, developing, testing, deploying, and sustaining production web applications
Principal level: experience defining application architecture, interfaces, APIs, data models, integration patterns, security controls, and nonfunctional requirements
Principal level: demonstrated success delivering greenfield web applications
Principal level: experience establishing technical direction and coordinating delivery across stakeholders
Principal level: ability to communicate architecture, security, performance, risks, dependencies, and tradeoffs
STEM degree in a related field preferred
Active U.S. Government Secret or higher security clearance preferred
U.S. Citizenship required for positions with a government clearance

Benefits

Comp & perks

Relocation assistance may be available
Overtime eligibility may be available
Shift differential may be available
Discretionary bonus eligibility
Health insurance coverage
Life and disability insurance
Savings plan
Company-paid holidays
Paid time off (PTO) for vacation and/or personal business