Systems Administrator (Level III), WINDOWS & EXCHANGE

Telefonica USA, Inc. is currently seeking Systems AdministratorS for its Datacenter Operations.  These positions will be responsible for system administration and engineering duties for enterprise-class infrastructure of Global 100 companies.  Duties include internal and external customer systems. Activities include: Level III support, service restoration and problem resolution, change control and deployment (including upgrades/patches for operating systems and middleware; application code changes), project integration for development, test and production environments.  Ability to screen and diagnose client inquiries and problems; troubleshoot to clearly understand problems (root cause determination), solve problems, use operational documentation (runbooks), and escalate problems to third party providers and product vendors for further troubleshooting (where appropriate); professionally answer phone calls, provide internal and/or customer email communications; monitor internal and customer environment via ESM tools; perform capacity planning and performance tuning; build-out technology infrastructure (hardware and software); harden and lockdown servers; perform vulnerability and security scans; support production control (batch processing) duties as assigned; partner with application development personnel to meet or exceed business objectives and requirements; comply with all operational policies and procedures.  Act as operations liaison with all applicable internal and external third party providers.

Requirements

- Excellent client interaction and customer service skills. 

- Extensive, hands-on VMWARE and Windows experience (Windows 2000/2003/2008 (x86 and x64) environments). 

- Knowledge of Intel/AMD Hardware (DELL, HP, IBM servers); Blade Technology is a plus. 

- Recovery of Windows Servers including Active Directory Recovery.

· Install and Maintain MS Active Directory including:

o  DNS

o  IAS –RADIUS

o  DHCP

o  User and Group Security

o  File and print services

· Install and Maintain Exchange 2003/2007 in an Enterprise Environment.

o  OWA, POP3, IMAP

o  RPC over HTTP

o  Frontend-Backend configurations.

o  HubTransport

o  Active Sync/Blackberry/Goodlink

· Disaster recovery of Exchange Environment.

· Knowledge of Exchange Migrations from Exchange and Non-Exchange Mail Platforms.

o  Lotus Notes

o  Exchange 5.5

o  Other (

· Install and Maintain Microsoft Clusters (Exchange and MS SQL).

· Working knowledge of VMWARE ESX 3.x and Virtual Center (VCP is plus)

· Knowledge of Citrix Presentation Server 4.x is a plus.

· Knowledge of MS Sharepoint server is a plus.

· Disaster Recovery and Business Continuity Strategies.

· Knowledge of Networking: TCPIP.

· Knowledge of System Security (Firewalls, server hardening, server policies, Account and group account security)

· Knowledge of Datacenter Control Processes (ITTL, SAS70, Sarbanes Oxley, etc) is a plus.

· Knowledge of Linux is a plus.

· Able to respond quickly to problems and issues (24/7)

· Research and test new and emerging technologies and apply to an Enterprise environment.

· Desktop/End User Support

 

Bachelors Degree in IT or related field, technical institution training equivalent and/or 5  years work experience in a technical department (organization), providing technical support requiring daily or frequent interaction with internal and/or external users or customers.  Certification in system administration, network and security are major plus.  Bilingual in English and Spanish is also a plus.