Job Description: Competitive Range partners with the government to plan and deploy complex, IT-enabled, and mission-essential capabilities. Our goal is to help you develop and expand your professional capabilities while working on challenging, exciting projects in a collaborative, congenial environment. We are seeking a Senior System Tester to conduct comprehensive requirements analysis, software testing, debugging, and performance optimization in support of mission-critical defense applications. This role requires expertise in Agile Scrum methodologies, microservice architectures, cloud computing, and security compliance within DoD environments. Key Responsibilities: + Perform requirements analysis, software design, development, integration, and testing for defense applications. + Develop, execute, and maintain test cases and automated testing strategies within Agile frameworks. + Conduct bug fixing, troubleshooting, debugging, and performance tuning for DoD software systems. + Implement configuration management practices ensuring software integrity and compliance. + Develop microservice architectures for web and application services, including load balancing, automated surge capability, and performance monitoring. + Work with traditional SQL-based and NoSQL database management systems, integrating full-text search capabilities. + Implement security controls compliant with Federal and DoD cybersecurity regulations. + Automate application deployments, scaling, and management across on-premise and off-premise cloud environments. + Prepare and deliver technical presentations and documentation to DoD stakeholders. + Collaborate within cross-functional teams, ensuring seamless integration of testing methodologies and best practices. Required Qualifications: + Active Secret Clearance: TS preferred. + Education: + Bachelor's Degree in Computer Science, Information Systems, or related field OR equivalent work experience. + Experience: + Minimum 5 years of experience supporting software development and testing within Agile Scrum methodologies. + Technical Expertise: + Strong proficiency in Java and scripting languages such as Python. + Extensive experience in debugging, troubleshooting, and optimizing software performance. + Deep knowledge of cloud architectures, microservices, database technologies, and security compliance. + Ability to assess and improve test automation strategies for mission-critical defense applications. Preferred Qualifications: + Experience working with classified defense systems and DoD software testing procedures. + Familiarity with AWS GovCloud, Azure Government, and secure cloud infrastructures. + Certifications such as Security+, CISSP, AWS Certified Solutions Architect, or DoD-approved system testing credentials.