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Senior Network Implementation Engineer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: EOS IT Solutions
Full Time position
Listed on 2026-07-15
Job specializations:
  • IT/Tech
    Network Engineer, Systems Engineer
Salary/Wage Range or Industry Benchmark: 60000 - 90000 GBP Yearly GBP 60000.00 90000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

EOS IT Solutions is a global technology and logistics company, providing collaboration and business IT support services to some of the world's largest industry leaders. We deliver forward-thinking solutions based on multi-domain architecture. Customer satisfaction and commitment to superior quality of service are our top business priorities, along with investing in and supporting our partners and employees.

Role Overview

We are seeking an experienced Network Engineer for a 12‑month contract to support a broad program of network infrastructure upgrades, migrations, documentation, and operational improvements. This role will work closely with internal Network Engineering, Security, IT, Facilities, Workplace, Builds and Infrastructure teams to modernize existing network environments and improve their reliability, supportability, and documentation. The successful candidate will be comfortable working across both hands‑on implementation and infrastructure assessment.

The work will include supporting switching and firewall upgrades, network re‑IP activities, core network services, rack and cabling improvements, infrastructure inventory, documentation, and monitoring integration. This is an execution‑focused role for an engineer who can independently assess existing environments, identify gaps, coordinate with stakeholders and vendors, and carry work through to completion.

Key Responsibilities
  • Support enterprise network upgrades, migrations, re‑IP projects, and infrastructure lifecycle improvements.
  • Configure, troubleshoot, and validate switching, routing, firewall, VLAN, subnet, and IP addressing changes.
  • Support core network services including DHCP, DNS, IPAM, and infrastructure monitoring.
  • Perform network infrastructure assessments, audits, and inventory management across network and power environments.
  • Create and maintain technical documentation including network diagrams, rack elevations, cabling layouts, inventories and migration records.
  • Support rack, cabling, and power infrastructure projects, ensuring adherence to operational and industry best practices.
  • Configure and integrate UPS, PDU, and SNMP‑based monitoring solutions.
  • Coordinate implementation activities with internal stakeholders, facilities teams and third‑party vendors.
  • Participate in maintenance windows, migration activities, testing, validation, and post‑implementation support.
  • Ensure all work follows established security, change management, and operational standards.
Essential Criteria
  • 5+ years’ experience in Network Engineering, Network Operations or Infrastructure Engineering.
  • Strong understanding of routing, switching, TCP/IP networking, VLANs, subnetting and Layer 2/Layer 3 technologies.
  • Experience supporting enterprise network upgrades, migrations and infrastructure changes.
  • Hands‑on experience configuring and troubleshooting enterprise switching platforms.
  • Experience supporting firewall environments, security policies, NAT, routing and connectivity troubleshooting.
  • Strong knowledge of DHCP, DNS, IP addressing and network service dependencies.
  • Experience troubleshooting complex network performance and connectivity issues.
  • Experience working with physical infrastructure including racks, structured cabling, patch panels, optics, UPS systems and PDUs.
  • Ability to produce and maintain accurate technical documentation and network diagrams.
  • Experience coordinating technical activities across cross‑functional teams and external vendors.
  • Strong communication, organisation and stakeholder management skills.
  • Ability to work independently and manage multiple priorities in a fast‑paced environment.
Desirable Criteria
  • Cisco CCNA, CCNP or equivalent certification.
  • Palo Alto Networks certification or significant hands‑on experience.
  • Experience with Cisco enterprise switching platforms.
  • Experience with Palo Alto Networks firewalls and Panorama.
  • Experience with enterprise IP Address Management (IPAM) solutions.
  • Experience with SNMP‑based monitoring, alerting and reporting tools.
  • Familiarity with UPS and intelligent PDU management platforms.
  • Experience creating technical documentation using Notion and Lucidchart.
  • Experience working in office, campus, manufacturing, laboratory or mixed‑use environments.
  • Understanding of structured change management and migration methodologies.
  • Exposure to network automation, scripting, APIs or configuration management tools.
Belonging at EOS

EOS is committed to creating a diverse and inclusive work environment and is proud to be an equal opportunity employer. We welcome applications from all individuals regardless of gender, gender identity, gender reassignment, age, religious or similar philosophical belief, race, national origin, political opinion, sexual orientation, disability, marital or civil partnership status, or any other non‑merit factor.

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Position Requirements
10+ Years work experience
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