Senior Network Engineer Global InsurerLondon - Hybdrid working (2-3 days a week in the City of London)Salary: £90,000 + 20% annual bonusAt DATAHEAD, we are partnering with a global insurer renowned for their innovation and excellence in building resilience across the world. We are recruiting a Senior Network Engineer to take a leading role in managing and optimizing a global network infrastructure that spans EMEA, APAC, and the US. This is a key position for anyone passionate about driving network performance, ensuring uptime, and contributing to a company that is shaping the future of insurance. Why Join? This role offers the chance to work with cutting-edge technology, managing complex networks that power a global leader in insurance. The company is committed to diversity and inclusion, knowing that a broad range of perspectives is key to innovation and success. As they continue to expand globally, this is your opportunity to contribute to a high-performing team and grow your career in a critical infrastructure role.About the Role: As a Senior Network Engineer, you will work within a dedicated Network and Security team to design and maintain critical network services. This role requires a strong focus on network architecture, overseeing a range of technologies including Cisco, Riverbed, Meraki, and Zscaler. You’ll also take charge of load balancers and firewalls while collaborating closely with external partners to maintain service quality.Your efforts will help ensure business continuity, requiring occasional out-of-hours work to support a critical environment. You’ll also be a key player in delivering network solutions that align with global standards and contribute to the company's ongoing success.Key Responsibilities:Design, implement, and manage global network infrastructure across EMEA, APAC, and US.Work with technologies such as Fortinet, FortiGate, Cisco, Meraki, and F5 Big-IP Load Balancers.Manage network performance and uptime while collaborating with third-party vendors.Configure and install network hardware (routers, firewalls, switches) and oversee network security measures.Lead and support major network projects and ensure alignment with global standards.Troubleshoot and provide escalation support for critical operational services.Maintain accurate network documentation, ensuring diagrams, configurations, and policies are up to date.Build and maintain relationships with business units, vendors, and IT teams globally to ensure high-quality network service delivery.About You:Strong experience as a Senior Network Engineer, with a strong focus on network infrastructure and security.Hands-on experience with Cisco, Riverbed, Meraki, Zscaler, and Fortinet technologies.Expertise in network architecture, firewalls, load balancers, and network security.Proven track record of leading network projects across multiple regions.Strong communication and relationship-building skills, enabling collaboration with key stakeholders.Ability to work under pressure, with flexibility to manage out-of-hours work in a fast-paced environment.Relevant certifications such as Fortinet NSE and Cisco CCNP are desirable.Proficient with network monitoring and analysis tools, such as FortiAnalyzer and FortiManager.Technical Skills:Cisco Nexus / ACIF5 Big-IP Load Balancers (LTM and GTM)Fortinet Firewalls and Security SolutionsAzure Cloud Load Balancer & Virtual Network GatewayZscaler (ZIA/ZPA)Meraki, Cisco Viptella, and more.