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26.10.2020, Ref.#: SSA
★★★★★ Senior IT System Administrator, ТЕК ЕКСПЪРТС ЕООД  Вижте визитка на компанията
Месторабота София; Постоянна работа; Пълно работно време
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Senior IT System Administrator

Passionate about the system administration? Take a look at what is waiting for you within our internal IT team.

Are you passionate about working with the latest technologies?
Are you experienced in the system administration and willing to move your career to the next level?

Join us at Tek Experts. We are a leading global provider of technical support and consulting services on behalf of the world’s largest IT companies.

With 7,000 employees across six global offices, we have built a reputation for deep technical expertise and providing exceptional customer experiences. We operate a 24/7/365 service across borders, languages, and time zones.

Duties include but are not limited to installing, managing, and maintaining computers, servers, and network systems to ensure the stable operations of TEK’s IT assets. The Sr. Sys Admin will also ensure the integrity and stability of infrastructure systems related to IT as well as the VPN connection of internal network and partner’s access. This person shall analyze and resolve hardware and software problems as well as troubleshooting the server's performance issue. Maintain a high level of information security is one of the compulsory roles that this person to ensure it aligns with global corporate strategy.


  • Monitor, Maintain, and Manage all servers and network devices at a site to keep them running properly
  • Coordinate with other System Admins at other sites to resolve problems and faults
  • Monitor and Utilize server (hardware or virtual)
  • Follow Change control management while implementing system changes, upgrades, and updates
  • Provide Technical support for other teams
  • Ensure all IT Global policies/standards and procedures are in place.
  • Conduct Daily/ Weekly and Monthly system Health checklist
  • Health Safety Security Environment
  • Maintain safety standards in the working environment that comply with TEK and partner’s HSSE standard
  • Ensure that all servers are protected by the latest anti-virus software
  • Make sure all Security ERs/patches/hotfixes to all servers
  • Business Continuity
  • Capacity planning for the system upgrade
  • Fully understand Disaster Recovery Plan (DRP) for business continuity. Make sure the compliant with TEK’s global DRP. Join the project team for DR Exercise
  • Technical Representative at his/ her site for solving Crisis problems


  • 2-3 years of experience in administrating Microsoft servers would be a strong advantage.
  • 3-5 years of Microsoft System Center 2012/2012R2 management platform experience, including some/all of the following applications in the family: Configuration Manager (SCCM)
  • Virtualization – general knowledge/concept, experience in provisioning/administration with any vendor hypervisor (VMware / Microsoft HyperV,)
  • Server OS - Windows 2008 (R2), 2012 (R2), 2016, general Linux configuration
  • Client OS - Windows 7, 10
  • Networking - general knowledge of devices, LAN/WAN concepts, routing, DNS, DHCP, load balancing, firewalls
  • Active Directory – concept, topology, general admin tasks, scripting, GPOs
  • PowerShell – administration, scripting
  • O365 – Exchange, SharePoint (or alternatives from other vendors)
  • Azure – general configuration, VMs, Deployments, and scaling
  • Monitoring – Servers and Infrastructure health state (understanding of zabbix /Nagios)
  • Mobile Device Management
  • Additional knowledge in cloud technologies and backup software
  • Strong technical skills with Server technology, Virtualization
  • Strong in IT Service Management for Incident, Change and Configuration Management
  • Good in Crisis Management
  • Excellent Troubleshooting skills
  • Capable of being self-managed
  • Strong English language skills

What we offer you

To say people are our greatest asset has become something of a cliché but at Tek Experts, we strongly believe it’s true.

2 Pozitano Square, Floor 2 - Perform Business Center, 1000 Sofia

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