System Administrator for Windows  

Job Description - Overview:
The Senior Windows Systems Administrator will be responsible for installing, configuring, and maintaining operating system workstations and servers, including web servers, in support of business processing requirements. Performs software installations and upgrades to operating systems and layered software packages. Schedules installations and upgrades and maintains them in accordance with established IT policies and procedures. Monitors and tunes the system to achieve optimum performance levels. Develops and maintains a comprehensive operating system hardware and software configuration database/library of all supporting documentation.

Key Job Functions and Duties:
➢ Assist in application deployment, migration, and security updates to ensure minimal down
time for banking applications
➢ Deploy and maintain Windows 2008/2012/2016 servers and applications in an enterprise data center environment. Audit Windows Server Environment. Thorough knowledge of Windows server management tools.
➢ Thorough knowledge of Active Directory.
➢ Knowledge of virtual environments (VMware and Hyper-V).
➢ Administer Windows Software Update Services (WSUS – OS Update Delivery Solution).
➢ Patch and Security Management - Deploy monthly OS patch and Critical patch on servers for compliance using automated tools
➢ Experience with enterprise-class server hardware. Support of backup software (MS DPM).

General skills:
➢ 5+ years of experience with configuring and administering Windows Server and client environments
➢ 5+ years of experience with Windows Server 2008 or higher
➢ Experience with installing, administering, troubleshooting, and configuring Domain Name System (DNS), Active Directory (AD), network infrastructure, and advanced network services
➢ Office Products/Office 365, Windows Server 2008R2, 2012 Active Directory, PowerShell, SharePoint, SQL Server.
➢ Experience in performing security audits and protecting systems against attack
➢ Knowledge of TCP/IP, DNS, DHCP, HTTP, LDAP, XML, SMTP, TLS/SSL.
➢ Working with Cloud-type technologies and companies such as AWS and Azure
➢ Knowledge of middleware is required

Desired Experience & Qualities
➢ Deep experience in systems admin in a Windows enterprise environment
➢ Perform security audits of internal systems where necessary to ensure compliance with corporate security standards.
➢ Ability to perform forensic analysis on systems in case of any type of security breach
➢ Expert knowledge of networking, storage (EMC), security, virtualization (VMWare), clustering and high availability concepts.
➢ Work effectively with a team of System Administrators/Engineers to maintain uptime, consistency, scalability, and performance while meeting business needs.
➢ Work effectively with System Administrators/Engineers, DBA’s, Programmers, Project Managers, Business Representatives, Vendors and/or Analysts to complete tasks in a timely manner.
➢ Solid understanding network technologies like switching, routing, DNS, VXLAN, SDN, etc.

Qualifications and Accreditations:
➢ Microsoft Certified Solutions Expert (MCSE) certification
➢ ITIL foundation certification
➢ CompTIA Server+

Reporting structure:
The Sysadmin reports to the Infrastructure Head.