Senior Test Engineer

Celestar Analytics LLC; Washington (District of Columbia); On-site; USD 170,000 - 220,000; Full time

Job summary

Celestar Analytics LLC is seeking a Senior Test Engineer to lead testing of a government information system. You will validate Java-based web apps, ensure security, accessibility, and performance, and support deployment across an enterprise environment.

The role requires strong front-end testing expertise, backend troubleshooting, and experience integrating automated UI tests into GitLab CI/CD pipelines. Candidates should hold TS/SCI with CI Polygraph and be eligible for U.S. citizenship.

Qualifications

• Active TS/SCI with CI Polygraph; U.S. Citizenship required.
• Extensive experience in functional and regression testing of web-based UIs.
• Strong expertise in UI validation and cross-browser testing.
• Experience troubleshooting via log analysis and backend debugging.
• Proficiency with defect tracking processes and SQL validation.

Responsibilities

• Develop and execute comprehensive test plans, procedures, and cases.
• Perform functional, regression, integration, and UI testing.
• Validate cross-browser compatibility and accessibility.
• Conduct backend troubleshooting via logs, APIs, and DB queries.
• Execute system build verification, configuration, and integration testing.
• Collaborate with developers, analysts, admins, and security personnel.

Skills

TS/SCI with poly

Clearance: CI Polygraph

UI testing

Cross-browser testing

SQL queries

REST API testing

Log analysis

Defect tracking

Documentation

Communication

Team collaboration

Education

Bachelor’s degree in CS/IS/SE

Master’s degree substitution for 6 years experience

Bachelor’s degree may substitute for 4 years experience

Tools

GitLab CI/CD

Oracle 19c

Apache Solr

LDAP

Tomcat

SAP BI

Job description

Description

Senior Test Engineer

Summary

We are seeking a Senior Test Engineer to support the modernization and validation of a mission-critical government information system. The successful candidate will lead testing activities for Java-based web applications, ensuring functionality, compliance, accessibility, security, and performance across a complex enterprise environment. This role requires strong front-end testing expertise combined with backend troubleshooting skills to identify defects, validate integrations, and support successful system deployment.

Key Responsibilities

• Develop and execute comprehensive test plans, test procedures, and test cases.
• Perform functional, regression, integration, and user interface testing.
• Validate cross-browser compatibility and accessibility compliance.
• Conduct backend troubleshooting through application log analysis, API validation, and database queries.
• Execute system build verification, installation, configuration, and integration testing.
• Validate Apache Tomcat, Oracle 19c, Apache Solr, LDAP, and SAP Business Intelligence integrations.
• Verify compliance with federal cybersecurity requirements and Section 508/WCAG standards.
• Develop and maintain automated UI testing frameworks.
• Integrate automated testing into GitLab CI/CD pipelines.
• Track, document, and manage defects through resolution.
• Produce test reports, readiness assessments, and quality metrics.
• Collaborate closely with developers, business analysts, system administrators, and security personnel.

Required Qualifications

• Active or ability to obtain TS/SCI with CI Polygraph; U.S. Citizenship required.
• 18 years of experience in Software Engineering, Systems Engineering, Testing, or a related technical discipline.
• Extensive experience performing functional and regression testing of web-based user interfaces.
• Strong expertise in UI validation and cross-browser compatibility testing.
• Experience troubleshooting application and server-side issues through log analysis.
• Proficiency with defect tracking tools and processes.
• Experience creating and executing SQL queries to validate system data.
• Experience verifying system installations, configurations, and integrations.
• API testing experience including RESTful services.
• Knowledge of federal cybersecurity requirements.
• Knowledge of Section 508 and WCAG accessibility standards.
• Experience working in regulated government environments.
• Strong analytical, documentation, and communication skills.
• Ability to collaborate effectively across technical and program teams.

Desired Qualifications

• Active TS/SCI with Polygraph.
• Experience testing enterprise applications within Windows Server environments.
• Experience testing Apache Tomcat application servers.
• Experience validating Oracle 19c databases and data integrations.
• Experience testing SAP Business Intelligence reporting solutions.
• Experience validating Apache Solr integrations and search functionality.
• Experience developing and maintaining automated UI testing frameworks.
• Experience integrating test automation into GitLab CI/CD pipelines.
• Knowledge of LDAP authentication and authorization testing.

Education Requirements

• Bachelor’s degree in Computer Science, Information Systems, Software Engineering, or related technical discipline.
• A Bachelor’s degree may substitute for 4 years of experience.
• A Master’s degree may substitute for 6 years of experience.

Security Requirements

• Active or ability to obtain TS/SCI with CI Polygraph; U.S. Citizenship required.

Salary $170,000- 220,000

Work Location

• Annapolis Junction, MD
• Washington, DC
• Reston, VA

Physical & Work Environment Requirements

• Employees must be able to perform the essential functions of this position, with or without accommodation.
• Ability to remain stationary for extended periods while working at a computer.
• Frequently operate standard office equipment, including computers and telephones.
• Ability to communicate effectively in person, by telephone, video conference, and email.
• Occasionally move about the office and lift up to 20 pounds.
• Ability to work the assigned schedule with regular and reliable attendance.
• Ability to travel up to 10% as required.