Senior Network Security Engineer

Posted 3 Days Ago
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București, ROU
In-Office
Senior level
Insurance
The Role
Leads network security operations across on-premises, cloud, and hybrid environments. Manages security infrastructure, access solutions, incident response, troubleshooting, root-cause analysis, compliance, change governance, automation, reporting, and continuous improvement. Provides L2/L3 escalation support, mentors team members, contributes to architecture and modernization initiatives, and collaborates with technical teams and business stakeholders to maintain resilient, secure services.
Summary Generated by Built In

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.

Responsibilities

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.



Qualifications

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.

About Us

As a leading global reinsurer, SCOR offers its clients a diversified and innovative range of reinsurance and insurance solutions and services to control and manage risk. Applying “The Art & Science of Risk,” SCOR uses its industry-recognized expertise and cutting-edge financial solutions to serve its clients and contribute to the welfare and resilience of society in around 160 countries worldwide.

Working at SCOR means engaging with some of the best minds in the industry – actuaries, data scientists, underwriters, risk modelers, engineers, and many others – as we work together to find solutions to pressing challenges facing societies.

As an international company, our common culture is defined by “The SCOR Way.” Serving both to build momentum that drives the Group forward and as a compass to guide our actions and choices, The SCOR Way is anchored by five core values, reflecting the input of employees at all levels of the Group. We care about clients, people, and societies. We perform with integrity. We act with courage. We encourage open minds. And we thrive through collaboration.

SCOR supports inclusion and the diversity of talents, and all positions are open to people with disabilities.

Skills Required

  • 10+ years of relevant experience in security and/or infrastructure operations
  • Strong expertise with Palo Alto Networks Strata and Prisma Access firewalls
  • Experience with Tufin policy automation
  • Knowledge of secure web solutions, including proxy or URL filtering, CASB, and DLP
  • Strong knowledge of WAN/LAN operations and routing, including BGP and OSPF
  • Knowledge of public cloud networking, especially Azure Virtual WAN, VPN Gateways, vNet peering, private or service endpoints, and load balancing
  • Experience with PKI, certificate lifecycle management, and domain/DNS management
  • Infrastructure as code and automation knowledge using Terraform, Azure DevOps, GitLab, and Python
  • Knowledge of cloud security concepts and CNAPP tooling, such as WIZ
  • Ability to work in agile environments and contribute to technical projects
  • Strong communication and collaboration skills with IT teams and business stakeholders
  • Degree in Computer Science, Management Information Systems, or a related analytical field, or equivalent experience
  • AZ-700 certification
  • Palo Alto certification
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The Company
HQ: Paris, Paris
4,492 Employees

What We Do

SCOR, one of the world’s largest reinsurers, serves more than 5,000 clients worldwide, providing a diversified and innovative range of solutions to control and manage risk. SCOR delivers advanced financial solutions, analytics and services across all dimensions of risk in Life & Health, Property & Casualty, and Investments. Reinsurance lies at the intersection of technical expertise and scientific progress. Models, data, and pricing and reserving tools are essential, yet they are never sufficient on their own. Sound risk decisions require expert judgment, experience and perspective. This is what we call the Art and Science of Risk. Reinsurance is a knowledge industry, where expertise grows through accumulation, transmission and practice. Across the Group, 3,600 experts based in more than 35 offices worldwide contribute to this collective intelligence. Actuaries, underwriters, risk management specialists, and Tech & Data experts transform data into insight, explore extreme scenarios, define the boundaries of insurability and help anticipate emerging risks. Together, they strengthen the resilience of SCOR, our clients and the societies we serve. This expertise is built through shared experience,continuous questioning and collective reflection. Like artists, we belong to schools of thought, learning first to observe, then to replicate, and ultimately to innovate. This ongoing transmission of knowledge enables SCOR to develop a distinctive approach, combining rigor, creativity and long-term vision in the service of risk mastery. This shared commitment underpins SCOR’s role as a global reinsurer. By turning risk into resilience and sustainable value, our collective of experts acts with responsibility and purpose. Together, we help protect the future, and shape it, for our clients, for society and for generations to come.

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