2nd Line - Network Engineer

🔒 Confidential Employer
Posted 3 May 2026
LOCATION
Thatcham
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
IT Support & Infrastructure
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Juniper Networking Cisco Switching Firewall Management Network Access Control DNS/DHCP VMware ESX ServiceNow ITIL

FULL DESCRIPTION

2nd Line - Network Engineer

Location: Thatcham, Berkshire (Hybrid) | Employment Type: Full-Time | Experience Level: Experienced (Mid-Senior level)

Key Responsibilities

  • Act as the final point of technical escalation for complex network and infrastructure issues
  • Maintain high levels of network availability through best practices, maintenance, and failover testing
  • Troubleshoot and resolve incidents, problems, and changes in line with ITIL standards
  • Provide clear and professional updates to customers via phone and email
  • Maintain accurate records in ITSM systems with detailed technical notes
  • Support a 24/7 service model via on-call rota participation
  • Liaise with third-party vendors to manage and progress support cases
  • Collaborate with Service Delivery Managers and Team Leaders on continuous improvement initiatives
  • Ensure all work meets or exceeds agreed SLAs and KPIs
  • Build strong customer relationships and act as a trusted technical advisor
  • Support pre-sales and professional services teams with solution design and delivery
  • Mentor and support junior engineers within the team

Skills & Experience

Essential

  • Strong technical expertise in Juniper networking (including Mist wireless)
  • Switching technologies (Aruba or Cisco)
  • Routing and wireless networking
  • Firewalls (Fortinet, Cisco, Palo Alto, Checkpoint)
  • VLAN configuration and routing
  • Network Access Control (Cisco ISE / Aruba ClearPass)
  • DNS, DHCP, and certificate services
  • VMware ESX hosting
  • Experience with ITSM tools (e.g., ServiceNow)
  • 3–5 years’ experience in a 3rd Line or senior infrastructure role
  • Background in a Managed Services environment
  • Strong troubleshooting and incident management skills

Desirable

  • Cisco CCNP (or equivalent knowledge)
  • Experience with Infoblox DDI solutions
  • Familiarity with ISO 27001 or Cyber Essentials
  • ITIL v4 Foundation certification
  • Experience managing major incidents, problem, and change processes
  • Security clearance (BPSS or SC)

Key Attributes

  • Excellent communication and customer service skills
  • Strong problem-solving and analytical mindset
  • Ability to prioritise and perform under pressure
  • Professional, adaptable, and highly motivated
  • Commercial awareness and attention to detail
  • Passion for continuous learning and knowledge sharing

Additional Expectations

  • Flexibility to work onsite with customers when required
  • Participation in on-call rota for high-priority incidents
  • Ability to quickly adapt to changing business and customer needs
  • Professional conduct with colleagues, customers, and stakeholders at all times
Sign up free — access 45,000+ UK sponsor-licensed jobs