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GiGa-Ops Global Solutions

Network Engineer – Level 2 (L2)

GiGa-Ops Global Solutions
United Kingdom · Contract · Mid-Senior
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

Key Skills

Ranked by relevance

firewalls vpn wan cyber security powershell palo alto wireshark switches wireless fortinet routers python nagios ipsec eigrp aruba ccna ccnp itil ospf sla lan ssl nac bgp asa
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United Kingdom

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Posted
Jun 02, 2025
Type
Contract
Level
Mid-Senior
Location
London Area
Company
GiGa-Ops Global Solutions

Industries

Technology Information Internet

Categories

Information Technology

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