Sr. Test Engineer
Job in
Waldorf, Charles County, Maryland, 20601, USA
Listed on 2026-10-02
Listing for:
Ellumen, Inc.
Full Time
position Listed on 2026-10-02
Job specializations:
-
Quality Assurance - QA/QC
Job Description & How to Apply Below
Sr. Test Engineer
- Education: Bachelor's Degree / Associate's Degree
- Years of
Experience:
5 years / 7 years - Location: Telework (within the United States)
- Background Investigation: Tier 2 / Moderate Risk Background Investigation required
The Sr. Test Engineer leads the design, development, and execution of automated testing strategies across a complex, mission-critical cloud platform hosted in AWS Gov Cloud supporting 300+ applications and 130+ monthly production releases. This role ensures all platform and application changes are validated through comprehensive automated testing within CI/CD pipelines, including unit, integration, regression, performance, and security testing, while mentoring junior test engineers and driving continuous improvement in test automation coverage and reliability.
Responsibilities- Lead the design and implementation of comprehensive automated testing strategies integrated into CI/CD pipelines across sandbox, staging, and production environments
- Develop and maintain automated unit, integration, regression, performance, and security test suites for platform services and hosted applications
- Ensure pipeline promotion processes enforce environment segregation with validated testing gates at each stage before production deployment
- Design and execute post-deployment production verification testing within two hours of each production change, documenting results and validation outcomes in associated change records
- Develop and maintain test automation frameworks that support 130+ monthly production releases across 3,000+ CI/CD pipelines
- Implement and maintain container image vulnerability scanning and Infrastructure as Code scanning within CI/CD pipelines
- Design and execute failover testing including tabletop exercises, controlled simulations, and live production drills, validating RTO, RPO, data integrity, and monitoring accuracy
- Validate system readiness prior to production deployments, patches, and upgrades ensuring all capabilities and services are not degraded or disrupted
- Design and execute disaster recovery and incident response testing exercises, documenting test results, corrective actions, and lessons learned
- Develop rollback validation procedures ensuring backout plans function correctly when executed
- Define success criteria, acceptance criteria, and production-readiness criteria for all platform changes and new capability deployments
- Collaborate with Dev Sec Ops , SRE, and development teams to align testing requirements with deployment strategies including blue/green, canary, and rolling deployments
- Mentor and guide junior test engineers on test design, automation best practices, and platform-specific testing patterns
- Contribute to the reliability backlog by identifying recurring test failures, flaky tests, and automation improvement opportunities
- Participate in Agile and SAFe ceremonies including sprint planning, backlog refinement, demos, and retrospectives
- Demonstrated experience leading test automation and quality engineering for complex, mission-critical cloud platforms in Federal or enterprise environments
- Hands-on experience designing and implementing automated test suites within CI/CD pipelines for containerized, Kubernetes-based applications
- Proficiency with test automation frameworks and tools (Selenium, JUnit, TestNG, Cypress, or equivalent)
- Experience with performance testing tools (JMeter, Gatling, Locust, or equivalent)
- Experience with security testing integration including SAST, DAST, SCA, and container scanning tools within CI/CD workflows
- Knowledge of Kubernetes and EKS testing considerations including pod health validation, service mesh testing, and cluster upgrade verification
- Experience with Infrastructure as Code testing and validation practices
- Familiarity with disaster recovery and failover testing methodologies including tabletop exercises and live production drills
- Experience with CI/CD pipeline tools (Jenkins, Git Lab CI, or equivalent) and artifact management (Nexus or equivalent)
- Knowledge of version control systems (Git, Bitbucket, or equivalent)
- Experience working in Agile or SAFe environments with sprint-based delivery cadences
- ISTQB Advanced Test Automation Engineer or equivalent certification preferred
- AWS Certified Dev Ops Engineer or equivalent certification preferred
- Bachelor's Degree from an accredited academic institution with a minimum of 7 years of experience in test engineering or quality assurance, with at least 3 years leading test automation for…
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