Candidate will provide O&M support for day-to-day activities for 'Production', 'Pre-Production', and 'Post-Production' environments (~8 environments, ~200 servers), across multiple government hosted data centers, as well as support for an O&M Azure Cloud infrastructure. Candidate work streams including providing server resource recommendations for physical or virtual server analysis and designs, as well as building DSC and Infrastructure as Code scripting, deploying vulnerability security patching, installing software and monitoring the servers. Additionally, will provide support for a technology stack that includes, but is not limited to, Azure Cloud, Windows 2016, Windows Server 2012 R2, and 2008 R2, RHEL 6.x and RHEL 7.x, Java 8, Microsoft SQL Server 2012 and above, IIS, .NET custom applications with elements of ASP.NET, C#/C++, Visual Basic and Javascript. Skills: 2 years' experience with Microsoft IIS, PowerShell, Active Directory (AD), Application of Security Certificates, Infrastructure Architecture & Design including Networking Firewalls and Domain Name Service (DNS) configuration, Windows Services and Scheduled Tasks. Familiarity with: ASP.NET, Microsoft Network Infrastructure, Microsoft SQL Server, TLS Protocols, Tomcat, ActiveMQ, nGnix, and PostgreSQL.