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Cloud System & Application Administrator (m/f/d)

City:  Cologne
Job area:  Product & IT
Job field:  Product & IT
Seniority Level:  Mid-Senior level
Date:  Nov 10, 2022


HRS is reinventing the way businesses and governments work, stay and pay in today’s dynamic global marketplace. HRS’ advanced platform technology is extending its reach beyond hospitality to meetings, office space management, payment efficiency and crisis recovery.

Beyond cost savings in the global post-pandemic economy, HRS clients gain from an unrivaled focus on essential aspects including safety, security and satisfaction.

HRS is also recognized for its award-winning Green Stay Initiative, technology that helps corporate hotel programs achieve their NetZero targets, and its groundbreaking Crew & Passengers Solution, which leverages automation to elevate experiences for air and rail operations.

Founded in 1972, HRS works with 35 percent of the global Fortune 500, as well as the world’s leading hotel chains, regional hospitality groups and payment providers.


We are looking for a CLOUD SYSTEM & APPLICATION ADMINISTRATOR (m/f/d) to support HRS Group in maintaining and developing the future of our Modern Workplace environment.


  • Take responsibility, maintain and develop our Citrix farm based on XenApp and XenDesktop
  • Manage and improve our On-premise and Cloud based applications landscape
  • Develop individual Cloud based solutions and provide 3rd level support
  • Improve our Active Directory / Azure Directory strategy
  • Take care for data security and backup strategy
  • Be in charge of our collaboration platforms with Zoom and Teams
  • Management of our remote connectivity and security platforms (NetScaler, Zscaler)
  • Establishment of documentation, instructions and checklists, to support of our service desk
  • Collaboration on IT-infrastructure and global projects
  • Ensure round-the-clock support by participating in our on-call duty


  • Bachelor’s degree in Computer Sciences or comparable
  • Several years of working experience as a System & Application Administrator
  • Extensive knowledge of Citrix platforms (XenApp, XenDesktop, NetScaler, PVS etc.)
  • Expertise in system monitoring, maintenance, tuning and troubleshooting
  • Experience with O365 / Azure applications
  • Passion to proactively and constantly improve status-quo on all levels
  • Good communication skills, ability to work in a team
  • Willingness to take over responsibility and to gain expertise on new technologies
  • Fluency in English, spoken and written


Access to a global network of a globally united and mutually responsible “Tribe of Intrapreneurs” that is passionately dedicated to renew the travel industry and while doing so reinvent the ways how businesses stay, work and pay.

Our entrepreneurial driven environment of full ownership and execution focus offers you the playground to contribute to a greater mission, while growing personally and professionally throughout this unique journey. You will continuously learn from a radical culture of retrospectives and continuous improvement and actively contribute to making business life better, smarter and more sustainable.


The attractive remuneration is in line with the market and, in addition to a fixed monthly salary, all necessary work equipment and mobility, will also include an annual or multi-year bonus.

#LI-Onsite #LI-HL1 #LI-Hybrid
Req ID:  12721

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