Network & Infrastructure Engineer

ACE Money Transfer, a UK-based multinational headquartered in Manchester, provides online remittance services enabling individuals across 28 countries in the UK, Europe, Canada, and Australia to send money to over 100 countries worldwide. We are seeking a skilled Network Engineer to design, maintain, and document LAN/WAN networks and infrastructure across multiple sites. This role involves configuring and troubleshooting firewalls such as Fortinet and Sophos, managing VPNs, switches, and enterprise wireless access points, and resolving connectivity and performance issues at Layer 2 and Layer 3. The engineer will also oversee server room operations, structured cabling, power and cooling systems, monitor critical infrastructure, verify backups, maintain asset inventories, and provide L2/L3 technical support within SLA timelines. Additional duties include supporting VoIP connectivity, security audits, firmware updates, incident response, and collaborating with IT teams, vendors, and ISPs.

Key Responsibilities

- Design, maintain, and update network diagrams covering LAN/WAN topology, IP addressing, VLAN structures, and connectivity across all sites.
- Document switch configurations, wireless SSIDs, access point layouts, firewall rules, and routing tables.
- Plan and document network expansions for new offices, including structured cabling layouts, rack elevations, and device placement.
- Configure, maintain, and troubleshoot firewalls, including security rules, NAT, VPN tunnels, VLANs, and WAF policies where applicable.
- Monitor firewall health, throughput, and security logs; respond promptly to incidents.
- Implement and maintain site-to-site and remote-access VPNs.
- Review firewall configurations and security policies regularly.
- Configure and maintain managed switches, including VLAN segmentation, trunking, port security, STP, and link aggregation.
- Deploy, monitor, and optimize enterprise wireless networks for coverage, availability, and performance.
- Troubleshoot Layer 2 and Layer 3 connectivity, routing, switching, and wireless issues.
- Monitor network performance and implement improvements.
- Manage server room operations, including rack organization, structured cabling, power (UPS/PDU), cooling, and physical access control.
- Monitor the health and availability of servers, switches, firewalls, and other critical devices.
- Run and verify scheduled backups per company policy and resolve backup failures promptly.
- Maintain network inventory, including asset tagging, warranty tracking, and lifecycle management.
- Resolve network and infrastructure tickets within SLA timelines.
- Provide advanced L2/L3 troubleshooting for connectivity, routing, switching, wireless, firewall, and VPN issues.
- Support network connectivity for telephony platforms, including SIP trunk connectivity, firewall and NAT rules for voice traffic, and call-quality troubleshooting (jitter, packet loss, QoS).
- Coordinate with internal IT teams, vendors, and ISPs on escalations and hardware replacements.
- Identify recurring problems and implement corrective and preventive measures.
- Apply critical network device patches and firmware updates within defined timelines.
- Conduct periodic access reviews for VPNs, network devices, and remote-access services; remove inactive or unauthorized accounts.
- Support IT security audits, risk assessments, and compliance reporting for network and infrastructure operations.
- Follow security policies, change management procedures, and documentation standards.

Required Qualifications

- Bachelor’s degree in IT, Computer Science, Networking, or a related field.
- 2-3 years of hands-on network engineering and infrastructure experience, with strong firewall administration, switching, and wireless skills.
- Proven experience producing professional network diagrams using Visio, Draw.io, or similar tools.
- Practical experience managing server rooms, including rack installation, structured cabling, power redundancy, and cooling.
- Strong working knowledge of Fortinet, Sophos, or equivalent UTM firewalls.
- Hands-on experience with managed switches and enterprise wireless access points such as UniFi or equivalents.
- Solid understanding of VLANs, STP, OSPF, static routing, and link aggregation.
- Practical experience configuring and troubleshooting site-to-site and remote-access VPNs.
- Familiarity with network monitoring tools, health checks, backup verification, and inventory management.
- Strong troubleshooting, documentation, and analytical skills.

For more information about ACE Money Transfer, please visit our company profile online.