5 of 5 Network Administrator Jobs in London

Network & Security L2 Administrator Contract Location: West London Office-Based Rate: Competitive DOE, inside IR35 Duration: 6 months initially Shift Pattern: 24/7 support environment with rotational shifts and days off Our client, a global consultancy, is looking for experienced Level 2/3 Network & Security Administrators to deliver high-impact technical support across a large … complex enterprise network. Key Responsibilities: Provide L2/L3 support across OSI Layers 17 Troubleshoot and resolve issues across wired, wireless, and cloud-enabled networks Monitor network health using advanced diagnostic and monitoring tools Implement and support Cisco WLAN Controllers, SSIDs, Access Points Configure and troubleshoot routing protocols OSPF, BGP, EIGRP, VLANs, NAT, etc. Administer and maintain firewalls (Checkpoint … and internal teams to resolve incidents Handle major incidents and proactively mitigate risks Your Profile: Essential Skills & Experience: Routing & Switching (Cisco, Juniper OEMs) Core protocols: OSPF, BGP, EIGRP, NAT Network security: VPNs, Checkpoint Firewall, Cisco ISE F5 LTM (iRules, SSL, upgrades) DNS/DHCP, IPAM Experience with LAN, WAN, SD-WAN, and wireless networks Strong problem-solving and stakeholder More ❯

Network & Security L2 Administrator 6 Month contract initially Based: Onsite - West Drayton Rate: £400 - £425 p/d (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We a great … opportunity for a number of Network & Security L2 Administrators. Key Responsibilities: * Candidates should have a strong working knowledge of OSI layers 1-7, with the ability to apply analytical and troubleshooting skill sets to solve complex problems across all networking disciplines * Monitor the performance and capability of the network using diversified tools. Identify the malfunctioning of hardware, software … LAG, FHRP, DMVPN, NAT Policy. * Solid understanding of LAN, WAN and SDWAN concepts (including wireless LAN) with experience in supporting enterprise class routers, switches in a global and enterprise network environment. * Experience on Implementing and troubleshooting Internal and External DNS, IPAM, DHCP for IP management. * Experience in Implementing and troubleshooting F5 LTM administration, SSL Certificate renewal, iRules creation, Software More ❯

Network & Security L2 Administrator - Onsite Are you ready to take your network and security expertise to new heights? We're hiring a Network & Security L2 Admin to support a high-profile client in the aviation industry. This is an onsite role based at a prestigious location in West Drayton, offering hands-on work in a dynamic … Pattern: 24/7 environment with rotational shifts and days off ?? Your Responsibilities: Monitor, troubleshoot, and optimize performance across the full OSI stack (layers 1-7) Handle incidents, triage network issues, and escalate or coordinate with vendors when required Administer and support Cisco WLAN Controllers, Access Points, Firewalls, VPNs, NAT policies, and software patching Manage and troubleshoot key protocols … and others Manage major incidents and vendor relationships effectively ?? Your Profile: Must-Have Skills: Hands-on experience in Routing & Switching (Cisco/Juniper) Strong grasp of core data centre network protocols (OSPF, BGP) Firewall expertise (Checkpoint, Cisco), VPN and security policy management Cisco Wireless, SD-WAN, DNS/DHCP, and F5 LTM administration Certifications: CCNP, CCSA, F5 Certified Nice More ❯

A global leader in the insurance markets is seeking a highly experienced Senior Network Administrator with a strong focus on cloud-based infrastructure, particularly Microsoft Azure. Experience with Palo Alto's extended security suite is also essential to be considered for this role. Its a remote/working from home role, with office visits (London/Heathrow) only … depending on experience). The company offers fantastic benefits including 8% pension, 25 days holiday and private healthcare. In this role youll: 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 … Alto firewalls and application-layer security. 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 More ❯

Wine Trust London, England, United Kingdom Salary: £29,000 (pro-rated for part-time role of 25 hours per week) Description of Job The role of the Leadership Pipeline Network Administrator is to provide administrative, organisational and logistical support to the Ministry Leads that support the Leadership Pipeline across the New Wine Network. This includes but is not … Leaders in Training stream, and Young Adults Collective. Working closely with the ministry leads, you will collaboratively and actively provide varied levels of support through engagement with the wider network, our events and resources, and the wider office and volunteer teams and any specific needs. The post holder will serve as the primary point of contact for the three … coordination and operational effectiveness of activities within the Leadership Pipeline. Maintain accurate records and assist with reporting, tracking progress, and facilitating communication between the Ministry Leads and key stakeholders. Network Office Lead Serve as the primary office contact for leaders within the Leadership Pipeline, handling inquiries related to New Wine Discipleship Year, Leaders in Training, and Young Adults Collective. More ❯