ESN Engineer

ESN Engineer – Ericsson

Location:

St Albans, England, United Kingdom. This role is based in Scotland in Dumfries; applicants should reside in, or be willing to relocate to, Dumfries.

About this opportunity:
As an ESN Engineer, you will own a designated group of sites, working as part of a four‑person team covering adjacent territories. The role requires self‑management, proactive maintenance, and collaboration with other ESN engineers and the wider FSO team to boost network resilience and availability. It includes a flexible work schedule with 24/7 on‑call rota, shift work, travel, and potentially service recovery in remote islands.

In major network events, you will lead recovery in your area and adjoining areas.

• Conduct corrective maintenance activities and manage site facility operations.
• Take full responsibility for assigned ESN sites, proactively maintaining them to prevent failures and leading coordination with technical teams to resolve issues.
• Lead problem management for your area, resolving major issues in your own and neighboring areas.
• Work individually, as part of the FSO and wider Ericsson teams to achieve right‑first‑time resolution of work within customer SLAs without compromising safe working practices.
• Carry out reactive and proactive maintenance on multi‑customer, multi‑technology networks, achieving agreed performance targets (mostly EE/ESN).
• Participate in a 24x7 callout rota covering all equipment in the service area.
• Assist in developing and reviewing FSO processes and procedures to maximise efficiency.

• Radio Frequency (RF) transmission and receiver systems for mobile communication equipment.
• AC/DC power systems (single phase and three phase), UPS systems, and deployed ESN generators.
• Satellite backhaul systems.
• Rectification and power distribution systems.
• GSM, UMTS and LTE fundamentals.
• Cellular network fundamentals, mobility management, cell planning.
• Radio access network and core network architecture.
• Antenna systems, mast head amplifiers, feeder systems and connectors.

Not Applicable

Full-time

Other – Telecommunications

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