Network Security jobs in United Kingdom

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Founded in 1932, McLarens is a leading independent global insurance services provider with offices and operations located around the world. With a focus on complex, commercial and niche markets, the company provides loss adjusting, claims and risk management services, forensic technical services as well as auditing and pre-risk surveying. McLarens’ global footprint enables it to provide streamlined consistent service to clients across the world, while at the same time delivering local expertise and responsive service. The company’s expert adjusters have an average of over 20 years’ experience, operating across a range of industries with specialties including: Property, Casualty, Crisis Management, Natural Resources, Construction & Engineering, Agriculture, Aviation, Forensic Accounting, Investigation, Marine, FAJ & Specie, Global TPA Services and Environmental consulting services.

At McLarens, we aspire and live by a set of shared values that guide our actions and shape our culture:

• EXCELLENCE –We aim for nothing less than the highest standards in everything we do.
• TEAMWORK –We work best when we work together with clients, colleagues, and suppliers alike.
• RESPECT –We are trusted to keep our promises, act with integrity, and treat people the right way.
• KNOWLEDGE – We know our market better than anyone, but still, we never stop developing.
• THOUGHT LEADERSHIP – We use inspired thinking and pioneering solutions to stay ahead in an ever-changing market.
• ACCOUNTABILITY – We move with urgency to deliver on our commitments and drive for results, even amid ambiguity.

Summary

The Senior Network Administrator role involves architecting, deploying, and managing Azure-based network infrastructure, with a focus on transitioning from on-premises to cloud environments. Key responsibilities include configuring and optimizing Palo Alto Networks firewalls, implementing Zero Trust architectures, and ensuring secure remote access through GlobalProtect. The role requires advanced knowledge of cloud networking, particularly in Azure, and experience with Palo Alto's ecosystem, along with certifications such as PCNSE and Azure Network Engineer Associate.

Key Responsibilities

• Architect, deploy, and manage Azure-based network infrastructure, including VNets, Azure Firewall, Application Gateway, NSGs, Load Balancers, Private Endpoints, VPN, and ExpressRoute.
• Support and lead network migration and transformation initiatives, especially from on-prem to Azure cloud.
• Configure, manage, and optimize Palo Alto Networks firewalls, including centralized management using Panorama and security extension through Prisma Access.
• Deploy and administer GlobalProtect for secure remote access across endpoints and locations.
• Leverage Cortex Data Lake for threat visibility and log analytics; implement and monitor Data Loss Prevention (DLP) policies.
• Collaborate with cloud, application, and infrastructure teams to align networking with business services.
• Implement modern Zero Trust architectures, segmentation, and secure access controls.
• Monitor network health, security events, and performance using Azure Monitor, Network Watcher, or third-party tools.
• Manage connectivity and SLAs with ISPs and cloud providers globally.
• Contribute to business continuity planning with cloud-first DR and failover strategies.
• Cloud Networking : Advanced knowledge of cloud networking components and architecture. (Azure preferred)
• Cloud Migration/Transition Projects: Demonstrated success in leading or supporting network transition efforts to Azure or hybrid environments.
• Palo Alto Ecosystem: Deep experience with Palo Alto firewalls, Panorama, Prisma Access, GlobalProtect, Cortex Data Lake, and DLP.
• Application Layer Security: Proven experience configuring Layer 7 security and App-ID, Content-ID, and User-ID policies.
• WAF & Zero Trust Implementations: Hands-on with WAF deployments (CloudFlare or 3rd party) and Zero Trust frameworks.
• GlobalProtect: Configuration and support of GlobalProtect VPN for secure, scalable remote workforce access.
• Monitoring & Alerting: Network monitoring and alerting via Azure-native or external tools.
• Branch & Remote Site Networking: Management of distributed office networks, and site-to-site VPNs.
• Meraki Infrastructure : Familiarity with Meraki switches, APs, and firewalls.
• Network Inventory & Documentation: Strong documentation skills for network architecture and asset tracking.

Required Certifications

• Palo Alto Networks Certified Network Security Engineer (PCNSE)
• Azure Network Engineer Associate or equivalent certification
• Bonus: Azure Solutions Architect Expert or similar advanced cloud certifications

Health Insurance - Medical, Dental, Vision, Life, and Disability Insurance

• Health Saving/Flexible Spending - access to flexible spending and health savings accounts
• Retirement – 401(k) program with company match
• Pet Benefits – ensuring the well-being of your extended family
• Identity Theft Insurance – offering security and peace of mind
• Wellness Programs - supports financial, physical, and mental well-being
• Career Development – fostering growth and advancement in the workplace
• Community Day of Service/Float Holiday – our Day of Service promotes community involvement, and our personal float holiday can be used as desired
• Employee Discount Program - offers exclusive discounts and deals on a wide range of products and services
• Employee Assistance Program - designed to provide life balance support and counseling

Our Company is an equal employment opportunity employer. The Company’s policy is not to discriminate against any applicant or employee based on race, color, sex, sexual orientation, gender identity, genetic information, religion, national origin, age, disability, veteran status, or any other basis protected by applicable federal, state, or local laws. The Company also prohibits harassment of applicants or employees based on any of these protected categories.