Senior Network Implementation Engineer in London

OUR COMPANY

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.

We are a true international IT provider and are proud to deliver our services through global simplicity with trusted transparency.

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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