Sr. Infrastructure Engineer

Sr. Infrastructure EngineerSeeking a Sr. Infrastructure Engineer for a hybrid long-term contract role with the Commonwealth of Virginia in Richmond, VA. The Agency is seeking an experienced Senior Infrastructure Engineer to support and enhance its hybrid infrastructure environment. The ideal candidate must possess strong technical expertise across Windows Server, cloud platforms, security, patching, automation, and production application support. This role requires in-depth and hands-on experience performing upgrades, migrations, remediation, and troubleshooting within mission-critical systems. The Senior Infrastructure Engineer will work across diverse technologies including Java,.NET, Oracle, SQL, Microsoft Dynamics, and warehouse platforms, supporting both server-level and complex production application needs. The engineer must also demonstrate strong networking knowledge, including deep familiarity with OSI layers and network protocol behavior. Preferred qualifications include Microsoft- and network-focused certifications.Key Responsibilities:Infrastructure Operations & AdministrationAdminister, maintain, and optimize Windows Server environments across on-premises and cloud-based infrastructure.Perform OS upgrades, patch installation, testing, and ongoing system updates to ensure reliability and security.Develop and use PowerShell scripts and other automation tools to execute centralized and repetitive tasks efficiently.Lead and execute server migrations, including transitioning workloads from on-premises systems into cloud platforms.Security & ComplianceImplement and maintain security configurations for servers, including endpoint protection, access control, and hardening standards.Conduct vulnerability remediation for servers and applications to maintain security compliance.Work with security tools and processes to ensure consistent protection and monitoring.Patching, Monitoring & AutomationManage patching cycles and use SCCM or similar platforms for automated patch deployment and reporting.Maintain ongoing monitoring and performance assessment of infrastructure services to identify and resolve issues proactively.Backup & Disaster RecoveryOversee routine backup operations and support recovery processes for mission-critical systems.Develop, refine, and support Disaster Recovery (DR) strategies to minimize downtime and protect data integrity.Production Application SupportProvide advanced server-level support for enterprise applications using.NET, Java, SQL, Oracle, Microsoft Dynamics, and warehouse technologies.Troubleshoot high-impact production issues across hybrid infrastructure and middleware layers.Networking & Systems IntegrationApply deep knowledge of OSI model layers and networking protocols to diagnose connectivity and application issues.Collaborate with cross-functional teams to support application deployments and infrastructure enhancements.Communication & CollaborationTranslate business or user requests into actionable technical solutions and communicate effectively in English, both verbally and in writing.Work closely with the IT Portfolio Manager and Infrastructure & Operations teams to align engineering efforts with organizational needs.