Test Engineer 3

Markon•Annapolis Junction, MD

25d•$140,000 - $150,000

About The Position

Markon is seeking a Test Engineer 3 to support a fast-paced, mission-critical Intelligence Community program. This role serves as the lead Test Engineer, responsible for defining and executing comprehensive test strategies to ensure the delivery of high-quality, resilient systems. This role works closely with software developers, DevOps engineers, and mission stakeholders to validate system functionality, data integrity, performance, and operational readiness across complex environments.

Requirements

Active TS/SCI w/ Polygraph with this Customer.
Bachelor’s degree in a technical field or 4 additional years of relevant experience in lieu of a degree
8+ years of experience as a Test Engineer supporting programs of similar scope, type, and complexity
Experience leading test planning, execution, and quality assurance efforts for complex systems
Experience with automated testing and scripting using Python, Java, Bash, or similar languages
Hands-on experience with testing frameworks such as JUnit and Mockito
Experience testing applications and systems in Linux environments
Experience supporting testing activities within AWS cloud environments
Understanding of data ingest processes and data lifecycle management principles
Strong analytical, troubleshooting, and problem-solving skills
Excellent written and verbal communication skills
Ability to work independently and collaboratively in a fast-paced Agile environment

Nice To Haves

Experience supporting DevOps and CI/CD environments
Experience with performance, load, and stress testing methodologies
Familiarity with containerized and cloud-native architectures
Experience supporting Intelligence Community mission systems, enterprise data platforms, or large-scale data processing environments
Experience leading testing efforts across multi-disciplinary development teams

Responsibilities

Lead the testing strategy, planning, and execution for mission-critical applications and systems
Partner with software and DevOps engineers to integrate quality assurance throughout the development lifecycle
Design, develop, and execute automated and manual test cases across system, integration, regression, performance, and stress testing scenarios
Develop and maintain test plans, test procedures, test cases, test scripts, and test reports
Validate data ingest pipelines and ensure compliance with data lifecycle management requirements
Identify, document, track, and verify resolution of software defects and system issues
Develop and maintain automated testing frameworks utilizing tools such as JUnit and Mockito
Analyze test results and provide recommendations to improve system quality, reliability, and performance
Support system integration, deployment, accreditation, and operational testing activities
Coordinate testing efforts across development teams and provide status updates to leadership and stakeholders
Contribute to continuous improvement of testing methodologies, automation, and quality assurance processes