Network Implementation Engineer

Pyramid Consulting, Inc; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading tech consultancy is seeking an experienced Level 3 Network Implementation Engineer in Greater London. The role involves developing low-level designs and leading complex implementations across security, SD-WAN, switching, and wireless technologies. The ideal candidate will have extensive hands-on experience with Palo Alto firewalls, PAN-OS, Dell switching, and Cisco Meraki solutions. This position requires a bachelor's degree in a related field and significant implementation experience across multiple sites.

Qualifications

• 10–15 years of hands-on network implementation experience.
• Experience in enterprise or multi-site deployments.
• Strong documentation and communication skills.

Responsibilities

• Develop detailed site-specific LLDs based on approved HLDs.
• Lead end-to-end implementation of enterprise network and security solutions.
• Deploy and optimize Palo Alto Firewalls.

Skills

Palo Alto Networks Firewalls

PAN-OS

Dell switching

Cisco Meraki

Network documentation

Troubleshooting

SD-WAN

Education

Bachelor’s degree in Computer Science, Information Technology, or related field

Job description

Overview

Location - Bakers Street 3 days on site.

Key Highlights

• Ownership of LLDs derived from HLDs
• End-to-end implementation leadership
• Advanced L3 troubleshooting & RCA
• Dell L2/L3 switching (OSPF/BGP preferred)

Job Title

Level 3 Network Implementation Engineer

Job Summary

We are seeking a highly skilled Level 3 Network Implementation Engineer with strong expertise in designing and implementing enterprise network solutions. The ideal candidate will be responsible for developing site-specific Low-Level Designs (LLDs) based on approved High-Level Designs (HLDs), and leading complex implementations across security, SD-WAN, switching, and wireless technologies.

This role requires deep hands-on experience with Palo Alto firewalls, PAN-OS SD-WAN, Dell switching platforms, Cisco Meraki wireless solutions, and centralized management using Strata Cloud Manager / Panorama.

Key Responsibilities

• Develop detailed site-specific LLDs based on approved HLDs and customer requirements
• Lead end-to-end implementation of enterprise network and security solutions
• Deploy, configure, and optimize Palo Alto Firewalls (including NAT, security policies, IPSec VPN, GlobalProtect, routing)
• Implement and troubleshoot PAN-OS based SD-WAN solutions
• Configure and manage Dell switching (Layer 2/Layer 3, VLANs, STP, routing protocols, QoS)
• Deploy and optimize Cisco Meraki Access Points, including SSID configuration, RF tuning, and security policies
• Configure and repoint network devices and security appliances to new RADIUS servers for authentication and authorization services
• Manage centralized firewall operations via Strata Cloud Manager / Panorama
• Design and implement secure Remote Access solutions, including Palo Alto GlobalProtect and/or Prisma Access
• Perform migrations, upgrades, and cutovers with minimal business disruption
• Conduct configuration reviews, validation testing, and performance tuning
• Provide advanced (L3) troubleshooting and root cause analysis
• Create and maintain detailed technical documentation and as-built diagrams
• Collaborate with architecture, operations, and customer teams during implementation lifecycle
• Ensure seamless handover to Operations, including documentation, KT sessions, and operational readiness validation
• Provide post-implementation Hypercare support to stabilize the environment and address any transition-related issues

Technical Skills & Expertise

Security & Firewall

• Strong hands-on experience with Palo Alto Networks Firewalls
• Expertise in PAN-OS features (Security Profiles, App-ID, User-ID, NAT, VPNs, SD-WAN)
• Experience with Panorama and/or Strata Cloud Manager
• Knowledge of Zero Trust and segmentation strategies
• Remote Access solutions (Global Protect / Prisma Access)

SD-WAN

• Experience deploying and troubleshooting PAN-OS SD-WAN solutions
• WAN optimization, path selection policies, and performance monitoring

Switching

• Experience with Dell enterprise switches
• Strong understanding of VLANs, trunking, STP, LACP, routing (OSPF/BGP preferred), QoS

Wireless

• Experience deploying and managing Cisco Meraki APs
• RF design basics and wireless troubleshooting
• Meraki Dashboard configuration and monitoring

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience)
• 10–15 years of hands-on network implementation experience
• Experience in enterprise or multi-site deployments
• Strong documentation and communication skills