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Quality Assurance Engineer Senior
Job Location:
Job Location:
Washington, AR - USA
Monthly Salary:
Not provided by the employer
Monthly Salary:
Posted:
8 September 2026 (13 hours ago)
Posted:
Application Deadline:
6 December 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Position Title Quality Control Analyst Senior / Quality Assurance Engineer - Senior
Skill Set
Job Summary
The Senior Quality Assurance Engineer is responsible for designing implementing and maintaining comprehensive test strategies for Clients Transportation platform. This platform operates within a complex workflow-driven distributed microservices ecosystem that supports unified train status rail incident and disruption management partner communications and real-time operational events.
In this role you will ensure the reliability scalability and performance of mission-critical systems by building robust testing frameworks and driving quality across services and integrations. As a senior member of the team you will provide technical leadership by championing a quality-first mindset mentoring engineers influencing cross-functional stakeholders and driving the evolution of testing practices to enhance engineering excellence system resiliency and operational reliability.
Essential Responsibilities
Minimum Qualifications
Preferred Qualifications
***Lumen and / or its clients will not provide equipment (Laptop monitor etc.) to the selected contractor. The contractor must have their own equipment. Access to a virtual desktop set up (software) will be provided by Lumens client allowing the user access to the required systems and technology.***
Skill Set
Job Summary
The Senior Quality Assurance Engineer is responsible for designing implementing and maintaining comprehensive test strategies for Clients Transportation platform. This platform operates within a complex workflow-driven distributed microservices ecosystem that supports unified train status rail incident and disruption management partner communications and real-time operational events.
In this role you will ensure the reliability scalability and performance of mission-critical systems by building robust testing frameworks and driving quality across services and integrations. As a senior member of the team you will provide technical leadership by championing a quality-first mindset mentoring engineers influencing cross-functional stakeholders and driving the evolution of testing practices to enhance engineering excellence system resiliency and operational reliability.
Essential Responsibilities
- Design and execute end-to-end test strategies for workflow-driven and state-heavy systems.
- Develop and maintain automated test frameworks for UI and API testing (Playwright Selenium REST-assured Karate or similar).
- Validate REST APIs for functional and NFRs
- Validate REST REST API authn and authz security and role-based access integration points and distributed microservices.
- Perform database record and element validations to ensure data integrity referential consistency and correct state transitions.
- Validate event-driven process flows and message-based integrations (Kafka or similar technologies).
- Develop tests for resilience scenarios including retries failure handling and idempotency.
- Conduct performance and load testing to validate behavior under peak operational conditions.
- Integrate automation suites into CI/CD pipelines (Jenkins GitHub Bitbucket or equivalent).
- Analyze logs and monitoring data (CloudWatch Dynatrace AppDynamics ELK/EFK or similar) to validate system behavior.
- Collaborate with product owners developers and architects to define test strategy and quality gates during design and implementation phases.
Minimum Qualifications
- Bachelors degree or 7 years relevant work experience.
- 5 years of experience in manual and automated testing of enterprise systems.
- Strong experience in UI and API automation.
- Proficiency in Java and TypeScript for automation scripting.
- Experience testing microservices-based architectures.
- Strong SQL skills and experience validating relational and/or NoSQL databases.
- Experience working in Agile environments.
- Strong analytical and problem-solving skills.
Preferred Qualifications
- Experience testing complex workflow-driven or operational systems (e.g. logistics transportation airline financial transaction platforms).
- Experience with event-driven or message-based systems (Kafka preferred).
- Experience with performance testing tools (JMeter or similar).
- Familiarity with AWS or other cloud environments.
- Familiarity with legacy mainframe or green-screen systems (e.g. 3270) batch processing and legacy-to-modern system integration validation.
***Lumen and / or its clients will not provide equipment (Laptop monitor etc.) to the selected contractor. The contractor must have their own equipment. Access to a virtual desktop set up (software) will be provided by Lumens client allowing the user access to the required systems and technology.***
Lumen Solutions Group Inc. is an Equal Opportunity Employer and does not discriminate in employment on the basis of Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans.
Required Experience:
IC
