Sustaining Test Engineer Jobs in Illinois (NOW HIRING)

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 Real-Time Visibility (RTV) Team. This contract includes the 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 Real-Time Visibility deployments. This position will be expected to test tool functionality and integration within existing Elastic (ELK) 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.

• 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.

• 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 14 days of start.
• 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.

• 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

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

July 29, 2026

Pay Range $92,300.00 - $166,850.00

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

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All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.