AI-First Test Engineer for Microservices & CI/CD — Hybrid

Leidos; Gaithersburg (MD); Hybrid; USD 73,000 - 133,000; Full time

Job summary

Leidos is seeking a Test Engineer to support the Air Traffic Business Area and the L-CAP platform, blending automation with AI-first practices in a SAFe/Agile environment. This hybrid role requires 3 days onsite in Gaithersburg, MD and 2 days remote, with potential for 100% remote if commuting is not feasible.

Responsibilities include designing automation, building test libraries, integrating tests into CI/CD, and performing performance and API testing across distributed services.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or related field with 3+ years of experience, or Master's degree with 2+ years
• Experience with test automation frameworks (Selenium, JUnit, pytest, or equivalent) and Java or JavaScript test development
• Experience integrating automated testing into CI/CD pipelines using Jenkins, GitLab CI, GitHub Actions, or similar tools
• Experience with performance, integration, and API testing for distributed systems using tools such as JMeter or Gatling
• Knowledge of distributed service testing, including service virtualization, contract testing, chaos engineering, and data-driven test automation
• Experience with operational scenario-based testing, behavioral validation, root cause analysis, and defect investigation
• Familiarity with Agile/SAFe testing, quality engineering principles, test management, and defect tracking tools
• Ability to obtain and maintain a Public Trust
• U.S. citizenship required
• Successful completion of background investigations as required by the government customer

Responsibilities

• Design and implement test automation frameworks for microservices-based platform components
• Build and maintain reusable test libraries and utilities for the L-CAP test infrastructure
• Integrate automated tests into CI/CD pipelines ensuring continuous quality gates
• Conduct performance testing to validate system behavior under load and stress conditions
• Execute integration testing across platform services, APIs, and external system interfaces
• Develop test plans and strategies aligned with sprint and PI objectives
• Analyze defect patterns and test metrics to identify quality trends and improvement opportunities
• Collaborate with development and systems engineering teams on testability and quality requirements
• Support test environment configuration and test data management activities
• Mentor junior test engineers on automation practices and testing methodologies
• Design and execute test scenarios based on operational ATC workflows ensuring modernized services replicate legacy system behavior
• Develop distributed service validation frameworks verifying inter-service communication, data flow, and performance under operational conditions
• Implement data-driven verification approaches supporting modernization of legacy automation functions
• Embrace an AI-first engineering culture by actively adopting AI-assisted development tools, automation, and modern engineering practices that improve productivity, code quality, and delivery velocity.

Skills

Test automation

Selenium

JUnit

CI/CD pipelines

Java/JavaScript

Education

Bachelor's in CS or related

Master's in CS (optional)

Tools

Jenkins

GitLab CI

GitHub Actions

JMeter

Gatling

Job description

Leidos is seeking a Test Engineer to support the Air Traffic Business Area and the L-CAP platform, blending automation with AI-first practices in a SAFe/Agile environment. This hybrid role requires 3 days onsite in Gaithersburg, MD and 2 days remote, with potential for 100% remote if commuting is not feasible.

Responsibilities include designing automation, building test libraries, integrating tests into CI/CD, and performing performance and API testing across distributed services.