Senior Enterprise Systems Test Engineer

The Senior Enterprise Systems Test Engineer will support Enterprise Management (EM) development, testing, and release validation activities across the Military Health System (MHS). This position is responsible for designing, executing, and documenting enterprise-level test plans for application packaging, system configuration updates, EM automations, release workflows, and integration activities across large-scale DoD environments. The engineer ensures stability, compliance, and operational readiness prior to enterprise rollout of EM updates and releases. *This position is contingent upon contract award.* Responsibilities Design and execute enterprise-level test plans for EM releases, configuration updates, software packages, and automated workflows. Conduct integration testing, regression testing, compatibility assessments, and validation of EM capabilities across multiple system environments. Develop and maintain test scripts, automation tools, and validation frameworks using PowerShell or similar technologies to support EM release processes. Evaluate vendor updates, EM enhancements, and release candidates for stability, compliance, and operational readiness prior to deployment. Perform root cause analysis for defects, track issue resolution, and collaborate with engineering teams to correct system-level problems. Support release readiness reviews, coordinate with EM packaging and configuration teams, and provide test evidence for approval authorities. Participate in Change Advisory Board (CAB) processes and provide technical impact assessments for EM‑related changes. Produce detailed engineering reports, test documentation, validation results, standard operating procedures (SOPs), and system diagrams. Collaborate with Systems Administration, Information Assurance (IA), Architecture, and Enterprise Services teams to ensure integrated testing across upstream and downstream systems. Perform additional duties as assigned in support of enterprise validation and modernization initiatives. Performs other related duties as assigned. Qualifications Required Active Secret clearance. Microsoft Certified: Azure Administrator Associate or higher. Meets DoD 8570/8140 IAT‑II requirements (e.g., Security+, SSCP, GSEC). Demonstrated expertise designing and executing system test plans for enterprise services and large‑scale environments. Strong knowledge of EM workflows, including packaging, configuration updates, release sequencing, and automation practices. Proficiency in PowerShell scripting and development of automated validation frameworks or similar test automation tools. Deep understanding of Windows enterprise architecture, Active Directory (AD), Group Policy (GPO), and cross-system service dependencies. Familiarity with DoD cybersecurity frameworks including RMF and DISA STIG compliance requirements. Ability to troubleshoot complex system integrations and multi-tier service interactions. Strong technical writing, documentation, analysis, and reporting skills. Preferred Experience supporting enterprise IT modernization initiatives within DoD or large-scale federal environments. Knowledge of release engineering principles, Dev/Test automation, and CI/CD concepts. Experience validating enterprise software packages, configuration baselines, and system integrations. Familiarity with enterprise monitoring, logging, and reporting platforms. Ability to brief technical findings and risk assessments to leadership and cross-functional stakeholders. Demonstrated success improving automation, efficiency, and repeatability of validation processes. Experience with secure cloud architecture patterns in Azure (identity, access, segmentation, logging/monitoring). About Us Diné Development Corporation (DDC) is a Navajo Nation owned family of companies that provides government agencies and commercial organizations with high-quality IT, professional, environmental, and research and development services. DDC is dedicated to empowering the Navajo Nation and communities we serve. Benefits Eligible full-time employees receive a comprehensive benefits package, including medical, dental, vision, life and disability coverage, retirement savings with company match, paid time off, voluntary supplemental benefits, and access to an employee assistance program. The package also includes educational assistance, with tuition reimbursement. EEO Statement This contractor and subcontractor shall abide by the requirements of 41 CFR 60‑1.4(a), 60‑300.5(a), and 60‑741.5(a) . These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity, national origin, or for inquiring about, discussing, or disclosing information about compensation, or any other basis prohibited by law. We participate in E‑Verify.