Senior Network Security Engineer - AlgoSec

Euroclear; Greater London; On-site; GBP 50,000 - 70,000; Full time

Benefits offered by this job

Competitive salary

Comprehensive benefits

Learning and development environment

Hybrid working model

Job summary

A global infrastructure firm in Greater London is seeking a Network Engineer to manage and enhance the network systems. The role requires experience in network security and a strong foundation in networking technologies. The ideal candidate will have a degree in Computer Science and practical knowledge in configuring network equipment. This position offers a hybrid working model, emphasizing team collaboration and innovative solutions. Candidates should be fluent in English and possess strong problem-solving abilities.

Qualifications

• 5 to 10 years of experience in Network Engineering or related field.
• Experience with Prisma Access and SDN technologies.
• Fluent in English, knowledge of French or Dutch is a plus.

Responsibilities

• Setup, configure, and support network applicable infrastructure.
• Optimize network implementation and introduce automation services.
• Provide network project support for upgrades and new initiatives.

Skills

Network Security Management Systems

Routing and switching technologies

TCP/IP protocols

Python for network automation

Excellent customer service

Analytical problem-solving

Education

Degree in Computer Science or related certifications

Tools

Palo Alto

Checkpoint

Infoblox

F5

Cisco ACI

Job description

Division: Group Technology Services (GTS)

Group Technology Services (GTS) plans, builds and runs the global infrastructure of Euroclear, and is responsible for the IT service management of the operating entities across different group markets. We operate our IT systems and services at a benchmarked cost level to deliver agreed levels of service supporting business processes for both normal operations and during disaster recovery.

Job Description

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. The engineer will assist in setting up and maintaining production network infrastructure and configuration of our network devices.

Security Focus

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

Transition to Software Defined Network

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

Responsibilities

• Setting up, configuring, and supporting network applicable 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 processes like configuration management and monitoring of the infrastructure.
• Optimizing our current network implementation and introducing automation services.
• Integrating Watch‑Duty role and supporting Week‑End interventions.

Requirements

• 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 a related area.
• Experience in Network Security Management Systems (Palo Alto, Checkpoint).
• Experience with Prisma Access.
• Good knowledge of routing and switching technologies (BGP, ISIS, OSPF, VRF, MPLS, GRE, IPSEC).
• Excellent understanding of 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 Qualities

• 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.

Benefits

• Competitive salary and comprehensive benefits.
• Work closely with inspiring, supportive, and engaged colleagues from more than 80 different countries.
• Practice your talents in a highly professional international environment.
• Join a learning and development environment with an emphasis on knowledge sharing and training.
• Hybrid working model: connect at the office 8 days a month and benefit from remote working.

Equal Opportunity Employer

We are committed to creating an inclusive culture that celebrates diversity and strives to be a Great Place to Work for All. All qualified applicants will be considered for employment, regardless of any aspect that makes them unique (including race, religion, national origin, gender, sexual orientation, age, marital status, pregnancy, disability, ...). If you need any specific accommodation due to disability or any other reason, let the recruiter know during your application process. Our values guide how we work together and shape our future: Our mission and values – Euroclear.