Senior Network Security Engineer - AlgoSec

Euroclear; Polska; On-site; PLN 180,000 - 270,000; Full time

Job summary

Euroclear Group Technology Services seeks a Network Engineer to join the team responsible for daily network operations, design, and project delivery. You will help configure and maintain production infrastructure, focusing on security review and automation integration.

The role requires experience with security devices, SDN/Cisco ACI, Infoblox DNS, and F5 load balancing, plus strong problem-solving and English fluency. A permanent placement in a fast-paced environment is offered.

Qualifications

• Proven experience in administration of Algosec Security Suite.
• Degree in Computer Science or Certifications in Network Technologies (preferred).
• 5 to 10 years of experience in the field or related areas.
• Experience in Network Security Management Systems Palo Alto, Checkpoint.
• Good knowledge of routing and switching (BGP, ISIS, OSPF, VRF, MPLS, GRE, IPSEC, ...).
• Understanding TCP/IP, DNS (Infoblox), QoS.
• Experience with Infoblox, F5, Cisco ISE technologies.
• Experience in SDN/Cisco ACI/EPG management is a plus.
• Analytical problem solving; ability to develop in Python for automation.
• Excellent customer service skills; fast learner; team player.
• Fluent in English (French/Dutch a plus).

Responsibilities

• Set up, configure, and support network infrastructure (Checkpoint, Palo Alto, Panorama, Infoblox, F5).
• Review, implement, and enhance network environment.
• Maintain documentation of network implementations.
• Troubleshoot network systems and support projects.
• Provide network project support for upgrades and new initiatives.
• Deliver required infrastructure for business projects and documentation.
• Perform vulnerability assessments and upgrades on network systems.
• Maintain configuration management and monitoring processes.
• Introduce automation and optimize current network implementation.
• Integrate Watch-Duty role and support weekend interventions.

Skills

Analytical thinking

Troubleshooting

Customer service

Fluent English

Python for network automation

Education

Degree in Computer Science

Certifications in Network Technologies

Tools

Infoblox

F5 Networks

Cisco ISE

Palo Alto

Checkpoint

Cisco ACI

Job description

Division: Group Technology Services (GTS)

Group Technology Services (GTS) plans, builds and runs the global infrastructure of Euroclear, and is additionally responsible for the IT service management to the operating entities of the various Group markets. Group Technology Services operates its IT systems and IT services in such a way that, at an appropriate and benchmarked cost level, it can deliver the agreed levelsof service to support the requirements of the business processes, for both normal operations and during disaster recovery.

About the role:

The Network Engineer will contribute to a team responsible for the day-to-day operation and monitoring of the Network and project delivery. The focus will be on design, implementation and support of the Business and IT Applications. They will assist in setup and maintenance of production network infrastructure; they will also contribute to the configuration of our Network devices.

In addition, there will be a specific focus on the Security review of our environment:

• firewall management and firewall rules review, implementation and cleanup
• DNS services implementation and support
• HLB and GSLB services implementation and support

A transition to Software Defined network is ongoing and therefore the global security review will have to integrate this new parameter.

This position requires a broad knowledge of Network Security systems (Palo Alto, Checkpoint), Software Defined Network (CISCO ACI technology, EPG), DNS and GSLB (Infoblox), HLB (F5 Networks) among others. It also involves analytical skills and troubleshooting capability to work with the team members to quickly diagnose and resolve network issues.

Responsibilities:

• Setting up, configuring, and supporting network applicative Infrastructure (Checkpoint, Palo Alto, Panorama, Infoblox, F5 etc.)
• Reviewing, implementing and enhancing our network environment
• Assisting with maintenance of current documentation of related corporate network implementation
• Taking part in troubleshooting network systems
• Providing network project support to other teams with the implementation of enterprise and operational service upgrades and new initiatives
• Taking part in Infrastructure and Business projects by delivering the required infrastructure (and related documentation)
• Performing vulnerability assessment, validation & upgrade on the Network Systems/Applications
• Maintaining process like Configuration Management and Monitoring of the infrastructure
• Optimizing our current network implementation and introducing automation services in our environment
• Integrating Watch-Duty role and supporting Week-End interventions.

Requirements:

• Proven experience in administration of Algosec Security Suite
• Degree in Computer Science or Certifications in Network Technologies, Information Systems, or other related disciplines (preferred)
• 5 to 10 years of experience in the field or in a related area.
• Experience in Network Security Management Systems Palo Alto, Checkpoint
• Good knowledge with routing and switching technology (BGP, ISIS, OSPF, VRF, MPLS, GRE, IPSEC,...)
• Excellent understanding TCP/IP protocols and related DNS (Infoblox), QoS
• Knowledge of Infoblox, F5, CISCO ISE technologies
• Experience in SDN / Cisco ACI / EPG management is a real asset
• Ability to work analytically in a problem-solving environment
• Ability to develop in Python for network automation needs
• Excellent customer service skills
• Ability to learn new technologies and disciplines quickly
• Ability to function effectively in a fast-paced team environment
• Fluent in English (French and/or Dutch is a plus)

Other:

• Possesses the ability to work in a team-oriented environment
• Demonstrates good communication skills (both verbal and written)
• Exhibits strong organizational skills
• Shows analytical and problem-solving skills
• Capable of thriving in a fast-paced environment
• Performs tasks with a high degree of quality while adhering to existing processes and operational procedures
• Able to collaborate with members of other teams and staff to achieve all necessary departmental and organizational goals

Please note that this is a permanent position, and we do not offer freelance/contract arrangement for the role.