Network and Information Security Engineer

JR United Kingdom; City Of London; On-site; GBP 40,000 - 70,000; Full time

Job summary

A leading technology company seeks a Network and Information Security Engineer in London to ensure robust cybersecurity measures and effective network management. This role involves configuring network equipment, maintaining cloud environments, and ensuring compliance with data protection regulations. Ideal candidates will have a strong background in network security, relevant certifications, and excellent troubleshooting abilities, contributing to the overall IT strategy and security of the organization.

Qualifications

• 1-3 years of experience in network maintenance, configuration, and cyber security.
• CISSP, CCNP/HCIP or higher certifications preferred.
• Strong knowledge of IP network protocols and firewall management.

Responsibilities

• Manage and configure network equipment including Cisco and Juniper.
• Ensure the smooth operation of the ZSTACK cloud environment.
• Provide IT support and compliance for ISO 27001 audits.

Skills

Network Maintenance

Information Security Management

Data Security Practices

Firewall Management

IP Network Configuration

Communication Skills

Troubleshooting Skills

Education

Bachelor’s degree in Information Security Technology

Bachelor’s degree in Computer Science

Tools

Cisco

Juniper

ZSTACK

VMware

Firewall

SIEM (IBM QRadar)

VOIP Telephony Systems

Job description

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Network and Information Security Engineer, london (city of london)

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Client:

China Telecom Europe

Location:

london (city of london), United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

16.06.2025

Expiry Date:

31.07.2025

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Job Description:

We are seeking an experienced Network and Information Security Engineer to join our team. In this role, you will be responsible for managing and configuration of network equipment (Cisco, Juniper,etc.) , and ensuring the smooth operation of our ZSTACK cloud environment.

Key Responsibilities:

(1) Strictly abide by the local laws, regulations and company rules and regulations of the country or region to do the relative network maintenance or information security jobs; 1-3 years of experience in network maintenance, configuration, cyber security and information; Hardworking and quick learning.

(2) Experience with the details and practical application of current data protection legislation, and possess an in-depth understanding of the GDPR.

(3) Following the guidance of CTG HQ network and information security department to do the relative jobs, reports, support internal and external networks, including VPN setup, DNS management, AP management, firewall configuration, WAF (e.g. Akaimai),SIEM（e.g. IBM QRada）,etc.

(4) Familiar with IP network, familiar with Cisco and Juniper, etc. equipment’s maintenance and configuration.

(5) Experience with the Linux system administration, preferred having ZSTACK or VMware maintenance or config experience.

(6) Partially provide IT support and Endpoint Security for office hardware and software, including laptops, desktops, and other devices. Support IT-related aspects of ISO 27001 audits and other regulatory requirements.

(7) Configure and maintain office VOIP telephony systems.

(8) Excellent communication skills and ability.

Qualifications:

Bachelor’s degree in Information security technology, Computer Science, or a related field (or equivalent experience).

Proven experience in network maintenance or information security management roles.

Strong knowledge of IP network protocols, maintenance and configuration, firewall management, and data security practices.

Experience with VOIP telephony systems, VPN technologies, DNS management, WAF administration, SIEM management.

Familiarity with automated deployment tools, disaster recovery practices, and endpoint protection solutions.

Excellent troubleshooting skills and the ability to resolve complex technical issues efficiently.

Strong communication skills with the ability to interact effectively with stakeholders at all levels.

Requirements:

Good experience of managing Information Security compliance and ISO27001 certification.

Hands-on experience in maintenance and configuration of Firewall and switch.

CISSP, CCNP/HCIP for security or higher certification will be preferred.

Experience with cloud environments and infrastructure (e.g., ZSTACK, VMware, etc.).