Systems Engineer - Connectivity Control & Internet (f/m/d)

Date: 26-Aug-2021

Location: Frankfurt am Main, DE Luxembourg, LU

Company: Deutsche Börse Group

Field of activity

The Department IT Infrastructure & Operations provides efficient and high-class IT infrastructure services and operates in the locations Eschborn, Prague, Luxembourg and Chicago. The area of responsibility covers the group wide Datacenter Management,

development and operation of the global Trading/Clearing Network, the shared storage systems as well as the operation of IT Security solutions. Furthermore, IT Infrastructure governs central ITIL processes.

The team Connectivity, Control & Internet (CCI) provides network connectivity with security devices to the businesses as firewalls, load balancers, IDS/IPS, WAFs, Threat Emulation and other related technologies, e.g. DNS, DHCP and email gateways.

The team members are based in all four locations and work jointly together in order to provide reliable, efficient and high-quality Information Technology operational services. 



  • Deploy, administer and maintain network services
  • Maintaining firewall policy management tool, email gateways, domain name systems (DNS), IP address management, including the management of the DHCP servers, and perform regular configuration audits.
  • Creation and maintenance of DNS records and DNS zones
  • Provide consulting services to other departments and assist with implementation of multiple product vendors and technologies
  • Perform knowledge transfers to the remaining team members regarding security and system configuration awareness
  • Ensure operational stability of the field of responsibility 
  • Provide escalation support following processes and interacting appropriately with remaining departments and end users, when required
  • Take part in on-call rotation

Qualifications/required skills

  • University degree (master or diploma) in IT
  • Experience in managing network components such as DNS, DHCP and email gateways.
  • Understanding of network security architecture and implementation; ideal candidate will have fundamental knowledge of network security - Firewalls, IDS/IPS, WAFs
  • Fundamental knowledge of cloud platform - AWS, GCP or Azure
  • Experience with scripting is highly desired
  • Proficiency in written and spoken English, German is a plus