Network Security Engineer – Connectivity Control & Internet (f/m/d) (Frankfurt)

Field of activity
The Department IT Infrastructure & Operations provides
efficient and high-class IT infrastructure services and operates in
the locations Eschborn, Prague, Luxembourg, Zurich 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.

Tasks/responsibilities

• Design, implement and support security
  solutions.
• Maintain next-generation firewalls, virtual private
  networks, IDS/IPS, DDOS solutions and perform regular configuration
  audits.
• Implement firewall policies and rules.
• 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.

Qualifications/required skills

• University degree (master or diploma) in IT
• Experience maintaining industry leading security
  technologies or infrastructure systems in complex technical IT
  operations environment
• Understanding of network security architecture and
  implementation is a must; ideal candidate will have worked with
  complex network security tools
• Proved experience with stateful firewalls, next
  generation firewalls, IDS/IPS, load balancers and
  proxies
• Certifications in industry leading security technologies
  are welcomed
• Experience with scripting is welcomed
• Articulated in English