Page Mechanical Group, Inc. is hiring: Performance Tester in Baltimore

Overview

Delmock Technologies, Inc. (DTI) is a leading HUBZone business in Baltimore, known for delivering sophisticated IT and Health solutions with a commitment to ethics, expertise, and superior service. Actively engaged in the local community, DTI creates opportunities for talented residents while maintaining a stellar reputation as an award-winning contractor, earning accolades like the Government Choice Award for IRS Systems Modernizations.

Location: This position is remote.

Clearance: Active IRS MBI Clearance and GFE (IRS issued laptop) are required.

Role

Delmock Technologies, Inc. is seeking a Performance Tester to lead the design, development, and execution of performance and automation testing for complex, cloud-based SOA applications. The ideal candidate will support mission-critical IRS systems, including the Information Returns Master File (IRMF), Individual Master File (IMF), and Business Master File (BMF). This role requires strong technical expertise in Agile environments and a deep commitment to ensuring application scalability, reliability, and responsiveness through comprehensive performance testing strategies.

Responsibilities

• Design, develop, and execute backend performance and load tests for APIs, services, and data pipelines.


• Build and maintain automated test frameworks using tools like TestNG, JUnit, SoapUI, SeleniumHD, and JMeter.


• Develop and integrate Java/Python-based test scripts into CI/CD pipelines using Jenkins and GitHub.


• Write and optimize SQL queries for data validation and performance benchmarking.


• Work with Databricks and JNode for data-driven testing and backend validation.


• Analyze performance metrics, identify bottlenecks, and collaborate with engineering teams to resolve issues.


• Utilize AWS services, including MongoDB and DynamoDB, for cloud-based testing and monitoring.


• Create dashboards and visualizations using Tableau to communicate performance trends and KPIs.


• Participate in Agile ceremonies and contribute to continuous improvement of testing strategies.

Minimum Requirements

• Bachelor’s degree in computer science, Engineering, or related field.


• Minimum of 7 years of hands-on experience in performance and backend test automation.


• Experience with IRS IRMF, IMF or BMF systems (highly desirable).

Performance Testing

• Demonstrated experience in performance, load, stress, and volume testing for cloud-based SOA applications.


• Strong knowledge of API performance testing, including RESTful services and Microservices.

DevOps & Agile Integration

• Strong understanding of CI/CD pipelines and integrating performance tests into DevOps workflows.


• Experience with Agile methodologies, Kanban boards, and continuous testing practices.


• Familiarity with Maestro suite (JIRA and Confluence) for test management and documentation.

Other Technical Expertise

• Backend Automation Tools: TestNG, JUnit, SoapUI, SeleniumHD


• Performance Testing Tools: JMeter, LoadRunner (optional), Parasoft SOAtest


• Scripting Languages: Java, Python


• CI/CD & Version Control: Jenkins, GitHub


• Data & Querying: SQL, Databricks, JNode


• Cloud & Databases: AWS, MongoDB, DynamoDB


• Visualization & Reporting: Tableau


• Agile & DevOps: Experience working in Agile teams with CI/CD delivery pipelines

Preferred/Nice to Have Skills

• Experience with Kafka, Kubernetes, or containerized environments.


• Familiarity with security testing (SSL, TLS, digital certificates).


• Strong analytical and troubleshooting skills.

About DTI

Recently ranked as high as #3 among HUBZone Companies in a GOVWIN survey, DTI offers a dynamic environment for those passionate about impactful projects, community involvement, and contributing to top-ranking Federal and State Commissionaires project support teams.

At DTI, we balance continuous growth and innovation with a strong dedication to corporate social responsibility. Join our talented team and be part of a company that values both professional excellence and community impact. Explore the exciting career opportunities awaiting you at DTI!

Equal Opportunity DTI is committed to hiring and maintaining a diverse workforce. We are an equal opportunity employer making decisions without regard to race, color, religion, sex, national origin, age, veteran status, disability, or any other protected class.