Senior Systems Engineer (Windows/AWS)

Senior Systems Engineer (Windows/AWS) Overview We are seeking an experienced Senior Systems Engineer to support mission-critical geospatial and enterprise infrastructure environments. This position focuses on the design, integration, modernization, and sustainment of large-scale Windows, Cloud, and hybrid infrastructure solutions supporting operational users. The ideal candidate will possess a strong background in systems engineering, enterprise architecture, cloud technologies, virtualization, and security compliance. Responsibilities Lead the design, implementation, and modernization of enterprise infrastructure solutions supporting mission operations. Engineer and maintain Windows Server, Active Directory, Citrix, VDI, and cloud-based environments. Develop and document system architectures, technical roadmaps, implementation plans, and engineering artifacts. Evaluate existing systems and recommend improvements for performance, scalability, security, and operational efficiency. Support hybrid and cloud-based architectures utilizing AWS services and best practices. Coordinate system upgrades, patching strategies, vulnerability remediation efforts, and configuration management activities. Troubleshoot complex infrastructure, virtualization, and application issues across operational environments. Collaborate with cybersecurity teams to ensure compliance with DoD, IC, and agency security requirements. Support accreditation activities and implementation of security controls aligned with NIST, ICD 503, and related frameworks. Author SOPs, design documentation, implementation guides, and operational procedures. Mentor junior engineers and provide technical leadership across engineering initiatives. Qualifications Bachelor's degree in Computer Science, Information Technology, Systems Engineering, or related field and 8+ years of relevant experience; additional experience may be substituted for a degree. Active Top Secret clearance (TS/SCI preferred) Security+ or equivalent DoD 8570 certification. Experience designing and supporting enterprise Windows environments. Experience with Active Directory, Group Policy, Windows Server administration, and enterprise infrastructure services. Experience with Citrix technologies, virtual desktop infrastructure (VDI), or virtualized enterprise environments. Experience supporting system engineering activities including requirements analysis, architecture development, integration, testing, and operational sustainment. Experience performing security remediation, vulnerability management, and compliance-related activities. Experience with AWS cloud services and hybrid cloud architectures. Experience producing technical documentation, system diagrams, and engineering artifacts. Experience utilizing collaboration and configuration management tools such as GitLab, Jira, and Confluence. #J-18808-Ljbffr Aqua IT