Network Engineer – Level 2 (L2)

1 week ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. We are seeking a skilled and motivated Level 2 Network Engineer to join our infrastructure team based in London . The ideal candidate will have hands-on experience in managing enterprise network infrastructure and must hold active Security Clearance (SC) or preferably DV Clearance due to the sensitive nature of the work. You will play a critical role in maintaining network performance, resolving issues, and supporting project implementation in a secure environment. Key Responsibilities Provide Level 2 support for day-to-day operations of network infrastructure (LAN, WAN, VPN, Firewalls, etc.) Respond to and resolve incidents, service requests, and escalations within SLA timelines. Configure, manage, and monitor network devices (Cisco, Juniper, Aruba, etc.) Assist with implementation of new network solutions and improvements. Collaborate with Level 3 engineers on complex troubleshooting and upgrades. Monitor network performance using tools (e.g., SolarWinds, Nagios, Wireshark). Apply change control procedures and ensure compliance with security policies. Maintain network documentation, asset records, and diagrams. Participate in on-call rotation and after-hours support when required. Ensure adherence to cyber security best practices in all network activities. Required Skills & Experience Active SC or DV Clearance (Mandatory) 5 years of experience in network operations or support roles. Proficiency in configuring and troubleshooting Cisco routers, switches, and firewalls. Strong understanding of TCP/IP, routing protocols (BGP, OSPF, EIGRP), VLANs, and subnetting. Experience with enterprise-grade firewalls (Cisco ASA, Palo Alto, Fortinet). Familiarity with VPN technologies (IPSec, SSL VPN). Working knowledge of network monitoring and diagnostic tools. Excellent problem-solving and communication skills. Desirable (Preferred) Skills Cisco Certified Network Associate (CCNA) or higher (e.g., CCNP) Experience with SD-WAN, NAC solutions (Cisco ISE), and wireless technologies. Exposure to ITIL processes and working in secure government or defence environments. Experience with scripting for automation (Python, PowerShell). Skills: ospf,ipsec,palo alto,cisco asa,tcp/ip,network performance,infrastructure,eigrp,enterprise,dv,routing protocols,network monitoring,communication,juniper,network infrastructure,fortinet,diagnostic tools,lan,aruba,cisco,bgp,problem-solving,subnetting,ssl vpn,vpn,firewalls,security,wan,vlans,security clearance Seniority level Seniority level Mid-Senior level Employment type Employment type Contract Job function Job function Information Technology Industries Technology, Information and Internet Referrals increase your chances of interviewing at GiGa-Ops Global Solutions by 2x Get notified about new Network Engineer jobs in London Area, United Kingdom . London, England, United Kingdom 2 weeks ago London, England, United Kingdom 22 hours ago London, England, United Kingdom 3 hours ago London, England, United Kingdom 3 hours ago London, England, United Kingdom 3 weeks ago London, England, United Kingdom 1 week ago London, England, United Kingdom 1 hour ago London, England, United Kingdom 2 weeks ago Network Production Engineer (University Grad) London, England, United Kingdom 1 week ago London, England, United Kingdom 2 weeks ago Uxbridge, England, United Kingdom 4 days ago City Of London, England, United Kingdom 1 week ago Greater London, England, United Kingdom 1 week ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom 6 days ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 week ago Network Engineer | Juniper, Palo Alto, Azure | to £75k plus bonus London, England, United Kingdom 1 week ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr