Automation Test Engineer – AI-Driven Hybrid Cloud Platform

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

Job summary

Leidos Inc. is seeking a Test Engineer to join the Air Traffic Business Area within the Homeland Sector, supporting the Leidos Common Automation Platform (L-CAP). The role blends AI-forward development with SAFe/Agile execution to deliver a mission-critical automation platform for next-generation air traffic management.

The position is hybrid, requiring 3 days onsite in Gaithersburg, MD, with 2 days remote for eligible locations; U.S. citizenship and Public Trust clearance are prerequisites.

Qualifications

• Bachelors in Computer Science, Software Engineering, or related discipline with 3+ years of experience, or a Masters with 2+ years (or equivalent).
• Experience with test automation frameworks (Selenium, JUnit, pytest) 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 (JMeter, Gatling).
• Knowledge of distributed service testing, including service virtualization, contract testing, chaos engineering, and data-driven test automation.
• Experience 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 government background investigations.

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.

Skills

Test automation

Selenium

JUnit

pytest

Java

JavaScript

CI/CD

Jenkins

API testing

Performance testing

Education

Bachelors in CS or Software Eng

Masters (optional) in related field

Tools

Jenkins

GitLab CI

GitHub Actions

JMeter

Gatling

Docker

Kubernetes

Job description

Leidos Inc. is seeking a Test Engineer to join the Air Traffic Business Area within the Homeland Sector, supporting the Leidos Common Automation Platform (L-CAP). The role blends AI-forward development with SAFe/Agile execution to deliver a mission-critical automation platform for next-generation air traffic management.

The position is hybrid, requiring 3 days onsite in Gaithersburg, MD, with 2 days remote for eligible locations; U.S. citizenship and Public Trust clearance are prerequisites.