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Sr Systems Administrator Messaging/Exchange

Publish Date: Jan 7, 2022

Location: Mexico City, Mexico Wide, MX-Mexico

Company: Atos

About Atos

Atos is a global leader in digital transformation with 110,000 employees in 73 countries and annual revenue of € 12 billion. European number one in Cloud, Cybersecurity and High-Performance Computing, the Group provides end-to-end Orchestrated Hybrid Cloud, Big Data, Business Applications and Digital Workplace solutions. The Group is the Worldwide Information Technology Partner for the Olympic & Paralympic Games and operates under the brands Atos, Atos|Syntel, and Unify. Atos is a SE (Societas Europaea), listed on the CAC40 Paris stock index.

The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.




Sr Systems Administrator - Messaging/Exchange


Role Overview

Working in a fast paced, process-oriented environment, the successful candidate will be responsible for supporting mission-critical applications. This involves resolving day-to-day Incidents, developing and maintaining documentation, liaising with end users and taking proactive measures to maximize application performance and availability.


Desired Qualifications

Familiar with performing design and administrative functions for the following Applications:

  • Thorough understanding of Exchange 2013 and Office 365 Mail systems & Windows Cluster services o Moving mailboxes between servers and/or On-prem server to cloud (O365) o Troubleshooting mail flow issues o Creation of mail objects such as mailboxes, contacts, distribution lists
  • Mobile Device Management including – Understanding of Mobile Iron (Mobile access to corporate resources like email, calendar and contacts) o Policy Management o Application distribution o AirWatch
  • Windows 2008 Servers including R2 and Windows Server 2012 o Patching o Installation of Roles and Services
  • Understanding of ActiveSync and FIM Sync
  • Understanding of ADFS and Azure Active Directory
  • NetApp or other SAN related experience a plus
  • IIS
  • PowerShell (Other scripting technologies a plus)
  • Thorough understanding of Microsoft Outlook, including user management, delegates, and security
  • Understanding of Macintosh mail clients, including Entourage and Outlook 2011 for Mac
  • Ability to work autonomously and in a team environment
  • Familiar with Active Directory
  • Solid understanding of ITIL V3 Change Management processes
  • Reliable, with a proven ability to follow established methodologies
  • Strong customer service skills
  • Excellent communications skills (oral, written and interpersonal)
  • Team player.
  • Must be able to work within a matrix management structure and interact effectively with end users and other service providers to expedite support activities.
  • Analytical, possessing strong problem solving skills
  • Willing to provide on-call and after-hours support as required
  • High availability experience is preferred.
  • Other duties as assigned.
  • Microsoft Office 365 certification required
  • Microsoft Server 2008 / 2012 or Exchange Server 2013 certification highly desirable.

Here at Atos, we want all of our employees to feel valued, appreciated, and free to be who they are at work. Our employee lifecycle processes are designed to prevent discrimination against our people regardless of gender identity or expression, sexual orientation, religion, ethnicity, age, neurodiversity, disability status, citizenship, or any other aspect which makes them unique. Across the globe, we have created a variety of programs to embed our Atos culture of inclusivity, and work hard to ensure that all of our employees have an equal opportunity to contribute and feel that they are exactly where they belong.