Field Operations Engineer - South Croydon

Wifinity; London Borough of Croydon; On-site; GBP 36,000 - 60,000; Full time

Benefits offered by this job

Enhanced annual leave

Remote-first working environment

Basic DBS check

Job summary

Wifinity, a UK-based managed internet provider, seeks a proactive Field Engineer to serve clients from South Croydon to the South Coast. You will support customer sites, install and commission upgrades, and ensure compliance with design and company standards.

The role involves hands-on work with large networks, documenting changes, and maintaining safety standards. Responsibilities include troubleshooting onsite, coordinating with service teams, performing site surveys, and achieving smooth

Qualifications

• Experience in client-facing roles with proven customer service ability.
• Willingness to travel across the UK and stay overnight as required.
• Be part of On-Call Rota and respond to field faults.
• Proficiency with network hardware configuration and site handover processes.

Responsibilities

• Troubleshoot network and client device issues onsite, both technical and physical.
• Collaborate with Installation, Technical Support and Customer Service teams to diagnose and activate sites.
• Perform network performance analysis, compile reports, and respond to monitoring alerts.
• Conduct scheduled maintenance and respond to live break-fix faults in the field.
• Carry out wireless surveys, Wi‑Fi optimisation, and ensure installations meet standards.
• Audit installation quality and assist with handover from installation teams.
• Create and execute test procedures for cabling, fibre, wireless coverage and product testing.

Skills

Customer service

On-site troubleshooting

Strong communication

Problem solving

Education

Full UK driving license

Tools

NetBox

CNMaestro

Ruckus

Cambium

MikroTik

Fluke

Ekahau

Job description

The opportunity:

We are seeking a proactive engineer to be the face of Wifinity for our clients across a patch stretching from South Croydon towards the South Coast, supporting customer sites across the wider South East region, over approximately 50 miles of territory. You will deliver first-class customer support, technical solutions, and commissioning of new or upgraded sites, ensuring installations meet design and company standards. This role provides hands‑on exposure to large‑scale networks, infrastructure, and the commissioning process, directly supporting customer satisfaction and operational excellence.

About us:

We're a UK-based managed internet provider delivering B2C & B2B connectivity solutions for organisations and their customers.

At Wifinity, we're passionate about providing the most reliable, high-speed broadband and site-wide Wi‑Fi networks for modern living. We focus on delivering secure, ultra‑fast connectivity that meets the demands of today's digital lifestyles. Whether in military accommodation, student housing, holiday parks, multi‑tenant properties, or retirement communities.

We believe in delivering that experience sustainably. As a responsible broadband provider, we're committed to reducing our environmental footprint through energy‑efficient infrastructure, smart power management, and ongoing improvements.

Key areas of focus for this position:

• Troubleshoot network and client device issues onsite, both technical and physical.


• Collaborate with Customer Service, Technical Support, and Installation teams to diagnose, resolve, and activate sites.


• Perform network performance analysis, compile reports, and respond to monitoring alerts.


• Conduct scheduled maintenance and respond to live break‑fix faults in the field.


• Carry out wireless surveys, Wi‑Fi optimisation, and support compliance with installation standards.


• Provide technical services for infrastructure installation (cabling, fibre, cabinets, switches).


• Commission remote sites onto the Wifinity core network, including circuits, radio links, fibre distribution, access points, and switches.


• Audit installation quality, acting as handover acceptance from installation teams.


• Create and execute test procedures (cabling, fibre, wireless coverage, product testing).


• Investigate and repair faults, liaising with management team and relevant stakeholders.


• Keep accurate records of changes, ensuring new hardware/services are integrated into monitoring systems.


• Maintain workflow process reports and provide technical support.


• Ensure safe working conditions and compliance with Health & Safety standards.


• Train and support Field Engineering staff where appropriate.


• Onboard devices, create device groups/networks/zones, synchronise devices, and edit port configurations.


• Upgrade switch firmware locally and via remote protocols.


• Verify router firmware versions, DHCP leases, ARP entries, IP neighbours, IP pools, VLANs, and bridges.


• Run diagnostics (ping, IP scan) and configure DHCP options.

About you:

• Adaptable, self‑motivated, and thrive under pressure.


• Excellent communication and customer‑facing skills.


• Strong initiative and problem‑solving mindset.


• A \"finisher\" who refuses to leave jobs incomplete, with high standards and expectations.

Requirements

• Full UK driving license.


• Willingness to travel and stay overnight across the UK to meet business needs.


• Be part of On Call Rota.


• Strong written, verbal, and ICT skills; able to maintain accurate systems and reports.


• Experience in client‑facing roles with proven customer service ability.


• Flexible team player, able to work independently to deadlines.


• Be proficient in using netbox to locate site / device information, and identify services being used at a location.


• Experienced with Ruckus, Cambium and Mikrotik.


• Be able to configure switches via CLI including but not limited to creating switch stacks, tag VLANs, set PVIDs, and check MAC/LLDP tables.


• Be able to use cnmaestro to assign switches to groups, edit port configs, and check uptime/resource health.


• On the different network controllers be able to create WLAN/AP groups, registration rules, and move APs between zones.


• Proficiency with industry‑standard testing tools (Fluke, OTDR, Ekahau, Wi‑Fi analysis).


• Experience with fibre splicing, cabling (internal/external), radio link installation, duct rodding, and telephony cabling.

Advanced Technical Skills

• Have a good understanding of different technologies including 3G/4G/5G. GPON, ADSL/VDSL/PPPoE.


• Sound understanding of Wifinity services being deployed such as Home Networking, Onboarding journey, hotspot.


• Packet capture and analysis (Wireshark, Mikrotik).


• Accessing and troubleshooting via Virtual Machines (Ubuntu, VM).


• Creating Supermicro servers, loading ESXi, installing Mikrotik cloud‑hosted router images, and configuring VM settings.

We offer

a competitive salary and benefits package, including an enhanced annual leave scheme starting at 25 days, with additional holiday entitlement awarded through length of service, alongside a remote‑first working environment that gives our employees greater flexibility and supports a healthy work‑life balance. Please be aware that the successful applicant to this role will receive an offer subject to the satisfactory completion of a basic DBS check.

At Wifinity

we are committed to providing a positive environment in which individuals do not encounter bullying or harassment on the basis of protected characteristics which are identified by law (including sexual harassment).We are committed to treating candidates and employees with courtesy, dignity and respect.

This advert can be available in other formats (upon request) for those who require it, please contact [e-mail] for assistance.