complex projects and escalations. If you thrive in dynamic environments, have deep knowledge of MPLS and ISP core operations, and can navigate complex configurations across Juniper, CiscoASA, Fortinet FortiGate, and Aruba platforms, we want to hear from you. Key Responsibilities Enterprise & Data Centre Support - Deliver advanced network support across large-scale enterprise and data centre environments … managing multi-vendor solutions (Juniper, CiscoASA, Fortinet FortiGate, Aruba). Complex Network Operations - Implement, configure, and troubleshoot advanced network setups, ensuring high availability, security, and optimal performance. Core MPLS & ISP Infrastructure - Operate and maintain core MPLS and ISP backbone systems, including BGP peering and collaboration with upstream providers. Monitoring & Incident Response - Monitor alerts, enhance visibility via … perform packet inspection and troubleshoot complex issues. Skills & Experience Required Proven experience in enterprise and/or ISP network engineering roles. Strong working knowledge of Juniper, CiscoASA, Fortinet FortiGate, and Aruba network solutions. Expertise in MPLS, BGP, and ISP backbone infrastructure. Experience with network monitoring tools and proactive incident prevention. Solid understanding of routing, switching, VPN More ❯
Portsmouth, Hampshire, South East, United Kingdom Hybrid / WFH Options
Sopra Steria Limited
Act as a point of escalation and support for complex issues, while coaching others through troubleshooting processes. Maintain and manage client network infrastructure (including but not limited to Cisco Routing, Switching, Security, SDN, Unified Communications and Wireless technologies). Identify and explore opportunities for enhancing efficiency, leveraging orchestration technologies to streamline and automate. Lead 'Root Cause Analysis' investigations … Current CCNA qualification. Strong Routing/Switching skills with both IOS and NX-OS. Experience of Ansible or similar automation/orchestration technologies or willingness to build expertise. Cisco ACI software defined networking experience or preparedness to build expertise. ITIL certification or experience. Full UK Driving Licence as travel to other sites will be required. Current DV Clearance … knowledge of Cisco Wireless networking applications and devices. Working knowledge of Cisco Unified Communication platforms and devices. Ciscosecurity technologies including ISE and ASACisco VPN. Network management platform knowledge (Catalyst Center/Solar Winds/Nagios/Nexus Dashboard). Experience of Windows/Linux Server Administration. Experience of Broadcom More ❯
Southampton, Hampshire, South East, United Kingdom Hybrid / WFH Options
LA International Computer Consultants Ltd
Network Tester: Hybrid - Remote with adhoc travel to Southampton Inside IR35 Strong understanding of Cisco Routing and Switching, TCP/IP, UDP, BGP, OSPF, MPLS, VLANs, QoS, and multicast. Proficient with tools such as Wireshark, Nmap, iPerf, SolarWinds. Ability to write test scripts or automate test execution using Python, Bash, Ansible or other network … automation frameworks. Ability to isolate and troubleshoot network faults in complex, layered environments - especially in systems where uptime and safety are critical. Expertise of Firewalls (e.g. CiscoASA, Fortinet, Palo Alto, Check Point), VPNs, ACLs, and segmented VRF type environment. Critical National Infrastructure network experience. Please send in your latest CV Thanks Due to the nature and More ❯
Southampton, Hampshire, United Kingdom Hybrid / WFH Options
PDI Technologies
switch configuration and firewall rule sets is a strong plus. Barracuda platform knowledge - including Load Balancer, Web Application Firewall (WAF), and NextGen Firewall - is highly desirable. CiscoASA firewall experience is a strong bonus Behavioral Competencies Ensures Accountability Decision Quality Tech Savvy Collaborates Communicates Effectively PDI is committed to offering a well-rounded benefits program, designed to More ❯
L3 Network Engineer (CISCO) - Must have an active SC or DV Clearance - Must be willing to apply for DV if SC Cleared An opportunity is available for an experienced L3 Network Engineer (CISCO) to join a committed team supporting UK Military systems. This is a fully on-site role in Portsmouth and requires strong 3rd line … design changes Support operations in multi-security tier and multi-tenant environments Mandatory Skills Strong experience in 3rd line network support Configuration and troubleshooting of CISCO devices ASA and Firepower firewall experience Familiarity with VMware NSX Firewall and SDWAN Understanding of NGNIX and Linux systems Experience in multi-tenant and high-security networks Desirable Skills Documentation of More ❯
changes Collaborate with internal teams and external stakeholders to ensure service continuity Ensure compliance with security and operational standards Essential Skills Strong experience with Cisco networking technologies ASA and Firepower firewall expertise Knowledge of multi-security tier and multi-tenant environments Familiarity with VMWare NSX Firewall and SDWAN Experience with NGNIX and Linux Ability to assess the More ❯
gaps in existing and proposed architectures and recommend changes or improvements. What you’ll bring:. Experience of core Cisco Networking technologies covering switching, routing, firewall, wireless(ASA,ACI,NX-OS,IOS etc.). Good knowledge of network orchestration and automation. Concrete understanding of fundamental vendor independent network (IP) concepts and adjacent technologies (DHCP, DNS etc). … Windows server, AD, exchange SharePoint, group policy. It would be great if you had: Familiarity with industry standard frameworks in project management and architecture (Prince2, TOGAF etc). Cisco Unified Communications, and ideally also Asterisk PABX. Familiar with concepts involved in SEIM and other network security technologies. Knowledge of Endpoint Management. Familiarity with public cloud (M365, AWS, Azure More ❯
Portsmouth, Hampshire, South East, United Kingdom Hybrid / WFH Options
Sopra Steria Limited
design gaps in existing and proposed architectures and recommend changes or improvements. What youll bring:. Experience of core Cisco Networking technologies covering switching, routing, firewall, wireless(ASA,ACI,NX-OS,IOS etc.). Good knowledge of network orchestration and automation. Concrete understanding of fundamental vendor independent network (IP) concepts and adjacent technologies (DHCP, DNS etc). … Windows server, AD, exchange SharePoint, group policy. It would be great if you had: Familiarity with industry standard frameworks in project management and architecture (Prince2, TOGAF etc). Cisco Unified Communications, and ideally also Asterisk PABX. Familiar with concepts involved in SEIM and other network security technologies. Knowledge of Endpoint Management. Familiarity with public cloud (M365, AWS, Azure More ❯