**Description** The Digital Modernization sector within Leidos has an opening for a Test Engineer with Data visualization experience to support the Global Solution Management – Operations II (GSM-O II) program as a member of End to End Visualization Team. This contract includes Operations, Sustainment, Maintenance, Repair, and Defense of the Defense Information System Network (DISN) within the DOD Information Network (DODIN) in support of the Defense Information Systems Agency (DISA). It also includes support to other key tasks for DISA, including the transformation of DISA’s operational mission through innovation, and support to DISA’s mission partners. This position is located virtually in the Ft. Meade, MD or Scott AFB, IL area. One must live within driving distance of Fort Meade or Scott AFB as they will need to be in the office as needed The Test Engineer is responsible for working within a fast paced, Agile team to support testing End to End Visualization deployments. This position will be expected to test tool functionality and integration within existing frameworks in the AWS Cloud. This position requires strong deductive reasoning, attention to detail, persistence, patience, and creativity. The individual will work with the End to End development and implementation teams, operational end users, and support teams to analyze, build and maintain test plans, test cases, integration testing, and requirements verification testing for data visualizations. **Primary Responsibilities** The successful candidate primary responsibility will be: + Analyze capability requirements and collaborate with technical leads, test managers, and Agile teams to ensure verifiable implementations. + Define testable acceptance criteria in user stories and lead User Acceptance Testing (UAT) to validate stakeholder requirements. + Create and maintain test documentation, including test plans, test data, test cases, acceptance criteria, and summary reports to support Kibana dashboards. + Design and implement test strategies for data ingestion, processing, and visualizations in Kibana (React, JavaScript, HTML), including interface integration tests. + Maintain and evolve the overall test strategy in alignment with best practices throughout the development lifecycle. + Perform regression, integration, and verification and validation testing. + Execute tests, troubleshoot issues, and manage defects through resolution using tools like Jira. + Participate actively in Agile ceremonies such as sprint planning, daily stand-ups, retrospectives, and demos. + Assist with identifying and supporting external dependencies where needed. + Employ strong analytical and problem-solving skills in all testing activities. **Basic Qualifications** + Bachelor’s degree in a related discipline from an accredited college, or equivalent combination of education and experience; 8–12 years of professional experience, or 6–10 years with a related Master’s degree. + Must hold an active **DoD Secret** clearance. + Active Security+ (or other 8570-compliant) certification, or ability to obtain within a short timeframe. + 8+ years of experience in software testing, including 3+ years with the ELK stack (Kafka, Logstash, Elasticsearch, Kibana) focused on integration testing and visualization validation. + Experience conducting User Acceptance Testing (UAT), including end-user engagement and validation. + Hands-on experience with tools such as Kibana, Elasticsearch APIs, Jira, Confluence, and Git repositories. + Proven experience working in Agile development environments as part of cross-functional, fast-paced technical teams. + Experience with big data applications and distributed systems. + Strong interpersonal and communication skills, with the ability to collaborate across technical and non-technical stakeholders. **Preferred Qualifications** + Experience with automated test frameworks (e.g., JUnit) and test automation tools such as Ansible. + Experience with DevOps/DevSecOps practices including CI/CD, Infrastructure as Code (IaC), and Configuration as Code in AWS cloud environments. + Skilled in automating test tooling and deployment pipelines across diverse AWS environments. + Familiarity with Xray Test Management and other QA lifecycle tools. + AWS Cloud certifications preferred. + Understanding of network routing and device configurations. + Strong background in testing open-source technologies and data processing systems Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.” **Original Posting:** August 6, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. **Pay Range:** Pay Range $89,700.00 - $162,150.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. REQNUMBER: R-00164131 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.