Test Engineer

Markon

Lead Test Engineer at Markon, guiding testing strategies for mission-critical intelligence applications. Collaborate with engineering teams on quality assurance throughout the development lifecycle.

Posted 6/10/2026full-timeAnnapolis Junction • Maryland • 🇺🇸 United StatesSeniorLead💰 $140,000 - $150,000 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudJavaJUnitLinuxMockitoPythonTypeScript

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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.

Benefits

Comp & perks

Medical
Dental
Vision
Life Insurance
Short-Term Disability
Long-Term Disability
401(k) match
Flexible Spending Accounts
EAP
Training and Tuition Assistance
Paid Time Off
Holidays

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

automated testingmanual testingtest planningtest executiontest case developmenttest scriptingdata lifecycle managementdefect trackingperformance testingstress testing

Soft Skills

analytical skillstroubleshootingproblem-solvingwritten communicationverbal communicationindependent workcollaborative workleadershipstatus reportingcontinuous improvement

Certifications

TS/SCI w/ PolygraphBachelor’s degree in a technical field