Network Security Engineer – Checkpoint

flatexDEGIRO

Network Security Engineer responsible for WAN and LAN infrastructures at flatexDEGIRO. Involves planning, operating, and optimizing network security solutions along with team collaboration.

Posted 6/19/2026full-timeDüsseldorf • 🇩🇪 GermanyJuniorWebsite

Tech Stack

Tools & technologies

AnsibleDNSFirewallsLinuxSwitching

About the role

Key responsibilities & impact

Planning, commissioning and operation of WAN and LAN infrastructures in distributed data center environments
Planning, operation and optimization of firewalls and security solutions
Operation and further development of internet-based services (mail, proxy, NTP, DNS, remote access, site-to-site VPN)
Analysis of network and security requirements and development of sustainable solutions
Independent planning and implementation of IT projects
Management and coordination of technical projects
Ensuring a stable and secure operation of the infrastructure
Collaboration with customers and internal teams for continuous improvement

Requirements

What you’ll need

Several years of professional experience in networking and IT security
Proven experience with Check Point / Fortinet systems (firewall, IDS/IPS)
Solid knowledge of routing (BGP)/switching, DNS, DHCP
Good knowledge of Linux (RHEL, Debian, Ubuntu) and Windows
Ideally experience with 802.1x, CheckMK and Ansible
Analytical and structured working style with strong problem-solving skills
Experience in planning and managing technical projects
Strong communication skills, team player mentality and customer-oriented approach

Benefits

Comp & perks

Flexible working hours / work@home
30 days of paid vacation
Mobility benefit: employer subsidy for the Germany Jobticket (Deutschlandticket)
E-mobility benefit: discounted leasing of e-bikes, e-scooters & e-rollers (after probation period)
Personal and professional development with access to relevant courses
100% coverage of daycare (KITA) costs including meals (after probation period)
Company pension plan (after probation period)
A challenging role in an international and fast-growing company
A competitive salary and an annual discretionary bonus
Significant autonomy in performing your duties and the opportunity to shape your own career
The opportunity to work in a new, enthusiastic team of like-minded experts.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

networkingIT securityfirewallIDSIPSroutingBGPswitchingDNSDHCP

Soft Skills

analytical working stylestructured working styleproblem-solving skillscommunication skillsteam player mentalitycustomer-oriented approach