Sr. Systems Test Engineer

Senior System Test EngineerBlackstone Talent Group, an award-winning technology consulting and talent agency is seeking a Sr. Systems Test Engineer to join our Client's team. Travel Required: Up to 10% of the timeDescription of Duties:Join our Space Systems Test & Integration team supporting the Missile Defense Space Enterprise Architecture (MDSEA). As a Senior System Test Engineer, you will provide technical leadership for verification, validation, integration, and mission readiness activities across complex satellite ground system environments.This position requires extensive hands-on experience with space-ground enterprise systems, mission system integration, IT infrastructure, test automation, and DevSecOps-aligned development pipelines. You will guide multidisciplinary engineering teams, support DT/OT test events, and ensure mission-critical systems meet stringent operational requirements.Who We're Looking ForA mission-focused test engineer with strong technical leadership, deep experience in system-level testing with satellite ground systems, and the ability to coordinate across multiple vendors, engineering teams, and government stakeholders in secure DoD environments.Primary ResponsibilitiesDevelop and execute system level test strategies, plans, procedures, and verification artifacts.Provide technical guidance that will be used by MDSEA System Engineers to ensure test standardization and performance targets are metCoordinate test activities across multiple vendors, engineering teams, Agile groups, and government stakeholders.Manage the Integrated Master Test Schedule (IMTS) for DT/OT events, integration milestones, and readiness reviews.Conduct functional, integration, regression, performance, cybersecurity, and end to end mission system testing.Validate software builds, configuration changes, and modifications to enterprise satellite ground system components.Test IT infrastructure which includes servers, networks, storage systems, virtualized environments, and mission critical enterprise services.Design, develop, and maintain automated test scripts for seamless integration into a modern DevSecOps CI/CD pipeline to increase test coverage and efficiency.Apply familiarity with DevSecOps/DevOps pipelines to support Infrastructure as Code through automated builds, deployments, and integration workflows.Identify, document, and track system anomalies, lead defect triage and root cause analyses for complex system issues, and coordinate resolution across multidisciplinary engineering teams.Produce test reports, readiness assessments, risk summaries, and technical briefings for leadership and government stakeholders.Support strict configuration management, cybersecurity compliance, and test documentation quality.Provide senior technical leadership during integration events, readiness reviews, operational demonstrations, and certification milestonesBasic Requirements:Must have 8, or more, years of general (full-time) work experienceMay be reduced with completion of advanced educationMust have 4, or more, years of directly related experience in complex enterprise IT system testing and integration, underpinned by a solid foundation in systems engineering principles.Must have experience with enterprise IT infrastructure (servers, networks, storage, virtualization, system services).Must have a demonstrated high proficiency in authoring comprehensive test plans and test cases, and leading the execution of complex test campaigns.Must have experience designing or executing test automation solutions.Must have experience coordinating across multiple vendors, engineering teams, Agile environments, and government stakeholders.Must have a strong understanding of requirements analysis, verification methodologies, and the Systems Engineering V model.Must have experience decomposing complex systems into testable components.Must be familiar with Agile practices and secure development workflows.Must have an active DoD Secret Security ClearanceDesired Requirements:Have a Bachelor's degree, or higher, in Engineering, Physics, Mathematics, Computer Science, Systems Engineering, or related technical fieldHave experience with space mission systems or enterprise satellite ground architectures.Have 1, or more, DoD 8570 certifications (such as Security+)Be able to operate independently within classified DoD environments.Be able to obtain a Top Secret/SCI clearanceBe familiar with DevSecOps/DevOps pipelines, CI/CD workflows, automated software deployments, and secure, air-gapped environments.Security Clearance Required: Secret Blackstone Talent Group is a wholly owned subsidiary of Blackstone Technology Group, a global IT services and software firm that implements technological solutions across commercial industry verticals and the US Federal Government. Blackstone's global talent augmentation practice was founded in 1998. Blackstone Talent Group has offices in San Francisco, Denver, Houston, Colorado Springs, and Washington, DC. We specialize in providing clients the best talent across a variety of industries and sectors.EOE of Minorities/Females/Veterans/Disabilities