ESN Engineer

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. You must self‑manage, proactively maintain your sites, and collaborate closely with other ESN engineers and the wider FSO team to solve problems, boosting network resilience and availability. The role requires a flexible work schedule, participation in a 24/7 on‑call rota, potential shift work, and travel to remote islands for service recovery.

In major network events you may lead recovery in your own and adjoining areas. The position is based in Scotland, reporting to the Regional Manager, and is open to candidates already residing or willing to relocate to Dumfries.

• Conduct corrective maintenance activities and manage site facility operations.
• Take full responsibility for assigned ESN sites, proactively maintaining them to prevent failures.
• Lead problem management for your area, resolving major issues in your and neighbouring areas.
• Work individually and as part of the FSO and wider Ericsson teams to achieve right‑first‑time resolution within customer SLA’s 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 24×7 call‑out rota covering all equipment in the Service Area.
• Assist in developing and reviewing FSO processes and procedures to maximize efficiency.

• Radio Frequency (RF) transmission and receiver systems in 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.