Senior Networking & Security Specialist

We are looking for an experienced Senior Networking & Security Specialist / Technical Lead to join a high-level technical delivery team, leading the design and hands-on implementation of complex, multi-vendor network and security solutions across enterprise environments.

This is a hands-on role combining technical leadership, solution design, implementation and stakeholder engagement., Lead the design and implementation of complex network and security solutions across greenfield and brownfield environments

Produce high-quality HLDs, LLDs, implementation plans and operational runbooks

Perform design validation, PoC testing and pre/post-implementation verification

Configure, deploy and optimise network and security infrastructure

Diagnose and resolve complex network and security incidents

Conduct technical assessments and capacity planning

Act as the primary technical point of contact for project stakeholders

Present technical designs and implementation strategies to technical and non-technical audiences

Coordinate engineers and technicians, providing technical leadership and mentoring

Work closely with project managers, solution architects, client teams and operations throughout the project lifecycle

We’re particularly interested in candidates with strong experience across:

• Advanced routing & switching
• BGP, OSPF, IS-IS and EIGRP
• VLAN, STP/RSTP/MSTP, vPC/LACP and QoS
• VXLAN, GRE and IPsec
• Enterprise and service-provider environments
• Cisco ACI, including spine-leaf architecture and multi-pod/multi-site Network Security

• IPsec, SSL/TLS and SD-WAN security
• Security policy and lifecycle management
• Compliance-aligned network security
  
  Application Delivery

• L4/L7 load balancing
• SSL offloading
• Global Server Load Balancing (GSLB)
• High-availability architectures

• Cisco IOS/IOS-XE/IOS-XR/NX-OS, ASA, Firepower, ISE, Catalyst Centre and ACI
• Juniper JunOS and SRX
• Fortinet FortiOS, Forti Gate, Forti Manager and Forti Analyzer
• F5 BIG-IP LTM/GTM/ASM/APM and iRules

• Network automation experience using Python and/or Ansible
• Experience integrating network platforms via REST/NETCONF/RESTCONF/gRPC APIs
• Professional-level networking certifications such as CCIE, JNCIE or equivalent
• Cisco Dev Net certification

You’ll need to be a confident technical lead who can take ownership of complex deliverables, communicate technical concepts clearly, solve problems under pressure and work effectively with both technical and business stakeholders.