Network & Infrastructure Engineer

ACE Money Transfer, a UK-based multinational headquartered in Manchester, provides online remittance services to individuals in 28 countries across the UK, Europe, Canada, and Australia. The company enables customers to send money across borders to over 100 countries. 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, as well as resolving Layer 2/3 connectivity and performance issues. 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. Additionally, the role supports VoIP connectivity, security audits, firmware updates, access reviews, incident response, and coordination 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, responding promptly to incidents.
- Implement and maintain site-to-site and remote-access VPNs.
- Regularly review firewall configurations and security policies.
- Configure and maintain managed switches with 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 according to 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, removing 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.
- 3-5 years of hands-on network engineering and infrastructure experience, with strong expertise in firewall administration, switching, and wireless technologies.
- Proven ability to produce professional network diagrams using Visio, Draw.io, or similar tools.
- Practical experience managing server rooms, including rack installation, structured cabling, power redundancy, and cooling systems.
- 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.
- Experience configuring and troubleshooting site-to-site and remote-access VPNs.
- Familiarity with network monitoring tools, health checks, backup verification, and inventory management.
- Excellent troubleshooting, documentation, and analytical skills.

For more information about ACE Money Transfer, please visit the company profile on our official website.