Senior Network Security Engineer

Job Summary

We are seeking a Senior Network Security Engineer to join our dynamic Tech team. You are proactive and collaborative, and you will act as a senior technical leader to ensure secure, resilient, and compliant infrastructure operations across on-premises, cloud, and hybrid environments. You will also drive continuous improvement and partner with cross-functional teams to deliver stable and secure services.

Details:

You will help ensure secure and reliable 24/7 availability of critical systems. This includes managing changes, responding to incidents, supporting problem management, and driving continuous improvement across on-premises, cloud, and hybrid infrastructures.

A key part of the role is strengthening threat prevention and protection across all environments (on-premises, SaaS, private cloud, and public cloud). You will implement and maintain advanced security controls and help ensure compliance with internal requirements and external standards.

You will design and maintain resilient access solutions so SCOR colleagues can connect securely—anytime, anywhere, and on any approved device. This supports day-to-day operations as well as business continuity needs.

You will also contribute to the evolution of SCOR’s global networks and cloud connectivity, working closely with network engineers and other technical teams. Together, you will support architecture and modernization initiatives that improve the performance, reliability, and scalability of SCOR’s security and network services.

Key duties and responsibilities

• Act as technical leader for the OpSec team by leading, participating, or supporting operational and project activities, managing L2/L3 escalations, mentoring team members, supporting change reviews (CAB), and ensuring strong operational governance.

• Operate and continuously improve security infrastructure (e.g., Palo Alto Prisma Access, Imperva WAF, Tufin, Azure, FortiNAC, WIZ) to maintain reliable, compliant, and optimized network, application, and user security.

• Lead critical incident response and advanced troubleshooting, perform root-cause analysis (e.g., Wireshark, SNMP, logs), and coordinate resolution with cross-functional teams.

• Improve OpSec processes, tooling, and reporting by driving automation, contributing to the roadmap, aligning with security standards, and maintaining relevant KPIs and operational reporting.

Required experience & competencies

• 10+ years of relevant experience in security and/or infrastructure operations.

• Strong expertise in firewalls (Palo Alto Networks—Strata, Prisma Access), policy automation (Tufin), and secure web solutions (proxy/URL filtering, CASB, DLP—Palo Alto, Microsoft). Solid knowledge of WAN/LAN operations and routing (minimum: BGP and OSPF), including in cloud environments. Good understanding of public cloud networking, including Azure (Virtual WAN, VPN Gateways, vNet peering, private/service endpoints, load balancing). AZ-700 and Palo Alto certifications are a plus.

• Experience with PKI, certificate lifecycle management, and domain/DNS management.

• Scripting/automation: IaC knowledge (Terraform, Azure DevOps, GitLab, Python).

• Knowledge of cloud security concepts and tooling, including CNAPP solutions (e.g., WIZ).

• Comfortable working in agile environments and contributing to technical projects (planning, delivery, and stakeholder management).

• Strong communication skills and the ability to collaborate effectively with IT teams and business stakeholders, including facilitating meetings when needed.

Required Education

• Degree in Computer Science, Management of Information Systems, or a related analytical field; or equivalent experience.