About Us

System Administrator – L3

Rimhub is a boutique managed services company offering customized remote infrastructure management solutions to telecoms and enterprises.  We excel in providing specialized services such as network operations, service provisioning, application and database management, managed security services, finance and accounting and IT help desk services.  Our goal is to continually improve our processes and service levels to improve the profitability of our clients.

Job Description:

The job profile includes working at L3 level on the administration of Microsoft Exchange and Active Directory. It also requires working on VMWare and Citrix.


  • Administration of Windows 2000 and Windows 2003 Active Directories
  • Administration of Windows NT Server, Windows 2000 server, Windows 2003 server, Windows Server 2008 servers
  • Administration of Microsoft Exchange Server 2003 servers
  • Administration of Citrix servers
  • Installation and troubleshooting of SQL servers (2000, 2005, 2008)
  • Administration of F-secure Antivirus on servers and clients
  • Administration of NT backup on Windows NT, 2000 and 2003 servers
  • Installation and troubleshooting the applications used in our organization
  • Supporting all levels of IT infrastructure, from basic desktop support to troubleshooting complex company wide issues
  • Working on a number of other technologies including VMware, Citrix, Mail filtering systems, a variety of hardware but most importantly providing remote support to all these systems.



Core competencies in:

  • AD
  • W2K, W2K03, NT4
  • DNS
  • WINS
  • MS Exchange
  • Blackberry
  • Backup Technologies – Netbackup, Backbone
  • Patch Management
  • Web servers
  • Hardware Knowledge of  HP Proliant servers, Dell Blades, Dell Servers

Must have knowledge of:

  • Citrix
  • NAS
  • SAN
  • Storagetek
  • Net App Filer
  • VMware
  • Firewall Technologies
  • Routing
  • Mail Filtering
  • DMZ
  • MS SQL Server

The above description is not exhaustive and may be subject to review and amendment periodically

Qualifications & Experience

  • Bachelor’s Degree in Computer Science, Computer Engineering, Information Systems or equivalent combination of education and experience
  • Good English language skills (written and oral), including the ability to communicate well on complex technical issues in both one-to-one and large group settings
  • Strong technical, analytical and problem solving skills
  • Customer focused with a dedication to customer satisfaction
  • Strong initiative, self-motivation, ability to complete tasks on time
  • Excellent troubleshooting, problem solving, decision making, and organizational skills
  • Possesses self-initiative to proactively identify and pursue process improvements
  • Ability to work independently and also as a team member to diagnose and resolve local and global IT issues

For consideration, please send your cv to