Principal/Sr Principal Engineer – Software

Northrop Grumman

Principal Engineer Software at Northrop Grumman working on enterprise solutions for mission critical objectives. Collaborating with cross-functional teams on mid- to large-scale technology projects.

Posted 7/16/2026full-timeSan Diego • California • 🇺🇸 United StatesSenior💰 $114,000 - $171,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in engineering enterprise solutions with a focus on Java 21+, Spring Integration, and observability technologies. Capable of collaborating across teams to resolve usability issues while managing multiple mid- to large-scale projects.

Highest-signal resume keywords

Java 21+ ProficiencySpring IntegrationApache CamelObservability TechnologiesData Flow Technologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Java 21+Spring BootAngularReactVue.jsWebSocketsServer-Sent EventsApache NiFiAWS SDK for Java v2Health Indicators

Tools & Technologies

PrometheusGrafana

Certifications & Qualifications

Top Secret ClearanceSensitive Compartmented Information (SCI)Special Program Access (SAP)

Industry Keywords

Enterprise SolutionsUsability IssuesNetworkingUDPTCPHybrid Protocols

Tech Stack

Tools & technologies

AngularApacheAWSGrafanaJavaJavaScriptPrometheusReactSpringSpring BootSpringBootVue.js

About the role

Key responsibilities & impact

Engineer enterprise solutions that align with best practices to support mission critical objectives
Work on 1-3 mid- to large-scale projects concurrently
Participate in regular project design and incremental status meetings
Collaborate with different teams across the program to discuss, analyze or resolve usability issues

Requirements

What you’ll need

Bachelor’s degree in a STEM discipline and 5 years of relevant engineering experience OR Master’s degree in a STEM discipline and 3 years of relevant experience; or a PhD and 1 year of experience in a related field
Ability to transfer and maintain the final adjudicated Top Secret clearance
Ability to obtain Sensitive Compartmented Information (SCI) and Special Program Access (SAP)
Proficiency with Spring Integration or Apache Camel
Java 21+ Proficiency
Experience with Observability technologies, health indicators, and dashboarding including Prometheus and Grafana
Experience with Apache Niagara Files (NiFi)
Deep knowledge of data flow technologies and networking, including UDP, TCP, and hybrid protocols
Ability to develop in Java 21+ using the AWS SDK for Java v2
Backend: Java 21+/Spring Boot service with a time-series or document-oriented store
Proficiency in Angular, React or Vue.js
Implementation of WebSockets (via Spring WebSocket) or Server-Sent Events (SSE)

Benefits

Comp & perks

Health insurance coverage
Life and disability insurance
Retirement and Savings Plan
Flexible spending accounts
Paid time off (PTO) for vacation and/or personal business