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Leidos

Test Engineer

Leidos

. Design and implement test automation frameworks for microservices-based platform components .

Posted 10/1/2026full-timeUnited StatesJuniorMid-Level💰 $73,450 - $132,775 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in test automation frameworks, CI/CD integration, and performance testing for microservices-based platforms. Proficient in developing test strategies and mentoring junior engineers while ensuring quality and testability across distributed systems.

Highest-signal resume keywords
Test Automation FrameworksCI/CD IntegrationPerformance TestingAPI TestingAgile/SAFe Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
JavaJavaScriptSeleniumJUnitPytestJMeterGatlingTest-Driven DevelopmentBehavior-Driven DevelopmentPython
Soft Skills
MentoringCollaborationAnalytical Thinking
Tools & Technologies
JenkinsGitLab CIGitHub ActionsDockerKubernetesREST AssuredPostmanAI-Assisted Development Tools
Certifications & Qualifications
Public Trust Clearance
Industry Keywords
MicroservicesDistributed SystemsAviation TestingDefense TestingSafety-Critical Testing

Tech Stack

Tools & technologies
Distributed SystemsDockerJavaJavaScriptJenkinsJMeterJUnitKubernetesMicroservicesPythonSelenium

About the role

Key responsibilities & impact
  • 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 and ensure continuous quality gates
  • Conduct performance testing 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
  • Mentor junior test engineers on automation practices and testing methodologies
  • Design and execute test scenarios based on operational ATC workflows
  • Develop distributed service validation frameworks for inter-service communication, data flow, and performance
  • Implement data-driven verification approaches for modernized legacy automation functions
  • Adopt AI-assisted development tools, automation, and modern engineering practices

Requirements

What you’ll need
  • Bachelor’s degree in Computer Science, Software Engineering, or related discipline with 3+ years of experience, or Master’s degree with 2+ years; additional experience, education and training may be considered in lieu of degree
  • 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
  • Preferred / Desired: Python scripting and test development proficiency
  • Preferred / Desired: Experience testing microservices and event-driven architectures
  • Preferred / Desired: Knowledge of containerized test environments (Docker, Kubernetes)
  • Preferred / Desired: Experience with API testing frameworks (REST Assured, Postman/Newman)
  • Preferred / Desired: Familiarity with security testing tools and practices
  • Preferred / Desired: Experience in aviation, defense, or safety-critical testing domains
  • Preferred / Desired: Knowledge of test-driven development (TDD) and behavior-driven development (BDD)
  • Preferred / Desired: Experience with AI-assisted development tools
  • Preferred / Desired: Experience testing legacy-to-modern migration and verifying functional equivalence