Network Security Lead at Cynergy Bank

Overview

Protect the Future of Banking – Join Cynergy Bank as a Network Security Lead. If you’re a network security expert ready to lead the protection of critical infrastructure, this role focuses on the design, implementation, and optimization of the network security landscape, from firewalls and VPNs to DLP and endpoint protection. You will collaborate with Information Security and IT Operations to ensure resilience, compliance, and innovation across hybrid environments.

Position Overview

The Network Security Lead is responsible for securing and maintaining the bank’s network infrastructure and data, ensuring the integrity, confidentiality, and availability of network security services. This role oversees, implements, monitors, and enhances security measures to protect against evolving cyber threats. Reporting to the Technical Services Manager, you will collaborate with cross-functional teams to safeguard the bank’s network while ensuring regulatory and internal security standards are met. This role requires close collaboration with Information Security, acting as a conduit between IT Operations and Info Sec.

Key Responsibilities

• Network Security Management: Oversee, configure, deploy, and maintain security measures for the bank’s network infrastructure, including firewalls, IDS/IPS, WAF, and VPNs.
• Provide oversight and management of security tools within the bank’s network such as web filtering, mail security, NAC, endpoint security, DLP, data classification and security tools, ensuring regular policy reviews are completed and recommendations actioned.
• Monitor network traffic and logs to identify and mitigate potential threats or vulnerabilities.
• Manage and optimise access controls, ensuring proper segmentation and secure connectivity across the network.

• Incident Response and Troubleshooting: Lead the response to network security incidents, including containment, root cause analysis, and remediation.
• Collaborate with Information Security to address vulnerabilities identified through audits, assessments, or penetration tests within agreed timeframes.
• Provide Level 2/3 support for network security issues, ensuring timely resolution to minimise business impact.

• Collaboration and Stakeholder Engagement: Work with the Network Lead, Firewall Lead, Technical Services Lead, Technical Services Manager and Information Security teams to align security measures with network architecture and operational goals. Engage with Engineering and IT Operations teams to ensure secure integration of new systems and applications. Partner with external vendors and service providers to maintain and enhance security tools and services.

• Governance and Compliance: Ensure network security measures comply with regulatory and industry standards, including GDPR, PCI-DSS, and ISO 27001. Maintain up-to-date documentation of network security configurations, policies, and procedures. Conduct regular reviews of network security systems to ensure alignment with best practices and regulatory requirements.

• Continuous Improvement and Innovation: Stay updated on emerging cybersecurity threats and technologies, recommending proactive measures to address risks. Implement automation tools to streamline security monitoring and response efforts. Lead projects to upgrade legacy security tools to modern, scalable solutions.

Skills and Qualifications

Essential:

• Bachelor’s degree in Computer Science, Information Security, or related field, or relevant experience.
• Proven experience managing security tools within an enterprise network (e.g., mail and web filtering, DLP, WAF, CASB).
• Proven experience in managing and securing enterprise network infrastructures.
• Expertise in network security tools and technologies, including firewalls, IDS/IPS, and access control systems.
• Strong knowledge of network protocols (TCP/IP, BGP, OSPF) and encryption technologies.
• Familiarity with security monitoring tools (Grafana, Wireshark, SolarWinds).
• Solid understanding of regulatory compliance frameworks and security standards.

• Desirable:
• Certifications such as CISSP, CCNP Security, CEH, or equivalent.
• Experience in banking or financial services sector.
• Experience with Forcepoint, Varonis, Proofpoint, and Palo Alto products.
• Knowledge of cloud-based security measures and hybrid network environments.
• Familiarity with automation frameworks for security operations.

About Us

Cynergy Bank is the UK’s human digital bank serving the needs of scale-up or medium-sized and fast-growing SMEs, professionals, high net worth and mass affluent individuals. Our mission is to empower customers by combining human service with advanced technology. We partner with firms such as Google Cloud, Cigniti, and Slalom as we continue to innovate in the human digital space. Cynergy Bank plc is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority. Eligible deposits are protected by the UK Financial Services Compensation Scheme.

Benefits

• Competitive salary and company bonus
• Holiday allowance plus bank holidays, with option to purchase additional days
• Pension contribution and life assurance
• Income protection and season ticket loan
• Medical cover (after probation)
• Electric car scheme and money coach (after probation)
• Hybrid working pattern: 3 days in office & 2 days WFH

Additional

Location: London, England, United Kingdom. This role is listed as full-time with seniority level Mid-Senior level and is part of the Information Technology function in the Banking industry.