Field Service Engineer
Recruitment Helpline Ltd
Bourne · posted 1 August 2026
Job type
full time
Location
Bourne, England
An excellent opportunity for an experienced Field Service Engineer
Mobile Welfare Units to join a well-established company. Job Type:
Full-Time, Permanent Salary:
Competitive Salary, Depending on Experience. Location:
Bourne, Lincolnshire
Depot Based. About The Company: They
are a market leader in the repair and maintenance of towable and static cabins that keep site teams warm, fed and safe on construction, civils and events sites nationwide. About The Role: To attend, diagnose and repair mobile welfare cabins in the field
restoring generators, power, heating, water and waste systems to full working order, first-time wherever possible, while working safely and unsupervised at customer sites. The role is van-based and mobile, covering breakdowns and warranty/service work across customer and hire-fleet sites. A large share of faults are diagnosed remotely (via unit telemetry) before attending, so the engineer must be comfortable interpreting remote data and arriving prepared. What the Role Actually Deals With: Generators / diesel engines -
Oil pressure & oil-change faults, fuel systems, exhaust/DPF, alternator, AVR, governor, glow, E-stop, servicing. Engines: HATZ, Kubota, Lombardini, Perkins, Stephill (Boss L48/L70/L100 units). Plumbing, water & waste -
Frozen/burst pipes, tanks, UV filters, water pumps, toilets, waste-level sensors, leaks. Electrical & power -
12/24V DC systems, Victron kit (inverters, Cerbo, MPPT/solar), fuses, relays, wiring looms, sockets, PIR lighting, "no power" / dead-console faults, electrical-test compliance. Diesel heaters -
Parking/diesel heaters
glow-pin and fuel-pump failure, re-priming, rewiring, thermostats, frost-related no-heat. Batteries -
Lithium battery diagnosis (100/200Ah), BMS behaviour, Victron charge settings, deep-discharge recovery, charge/hold faults. Telemetry / comms -
Units not updating/communicating
SIM/modem, Cerbo, remote-monitoring diagnosis and SIM replacement. Towing & chassis -
Lifting rams/pins, wheels-down locking, coupling, brakes, tyres
getting units mobile. Hydraulics -
Power packs, rams, solenoids for raising/lowering units. Fabrication -
Doors, door closers, hoods, structural repair. Solar -
Panels and MPPT charge faults. Roughly
1 in 5 reported faults turn out to be user error
so customer education, clear on-site communication and honest reporting matter as much as the wrench work. Candidate Requirements Essential: Proven
multi-skilled field service / plant / mobile-mechanic
background (welfare units, generators, plant, HGV, marine, motorhome/leisure, or similar). Diesel engine
fault-finding and servicing (small industrial engines
HATZ, Kubota, Lombardini, Perkins or equivalent). 12V / 24V DC electrical
competence
fault-finding wiring, fuses, relays, inverters, charging systems using a multimeter. Confident
reading fault data / telemetry
and working from remote diagnostics. Practical
plumbing / water-system
repair skills. Strong problem-solving and first-time-fix mindset; comfortable working
alone and unsupervised . Full
UK driving licence ;
B+E (trailer/towing)
entitlement or willingness to obtain. Good customer-facing manner and clear written job reporting. Highly Desirable: Electrical qualification
City & Guilds 2391 (Inspection & Testing)
and/or
18th Edition (BS 7671) ; PAT competence. Experience with
Victron energy systems
(Cerbo GX, MultiPlus inverters, MPPT, VRM) and
lithium/BMS
battery systems. Diesel
parking/air heater
experience (Webasto/Eberspcher-type). Hydraulics
(power packs, rams, solenoids). Fabrication repairs. Solar PV, and basic IT/comms (SIM, modem, routers) familiarity. Relevant safety tickets (CSCS Card, first aid, working at height, manual handling). Personal Attributes
Self-motivated and reliable
the customer's day-rate is stopped until the unit works again. Methodical and safety-first, especially around live electrics, fuel and lifting operations. Resilient and adaptable
outdoor, all-weather, sometimes remote sites. Honest reporter
records what was found and done, including when a fault is user error or unresolved. Working Conditions
Field-based, mobile role with company van and tools. Regional travel to customer and hire sites; some early starts / site-hours working. Breakdown-response element
may include on-call / out-of-hours cover (to be confirmed). Physical role: lifting, working outdoors, in confined welfare-unit plant spaces and all weathers. What they offer
Competitive salary (depending on experience). Company pension. Company van, tools and PPE. Manufacturer and in-house training across generators, power, heating and telemetry. Varied, hands-on work with a UK manufacturer that builds what you fix. If you feel that you have the relative skills/attributes to fulfil this role then please apply now for immediate consideration. The employer fully supports Equality in Employment. All employment is decided based on qualifications, merit and business need.
TPBN1_UKTJ
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Mobile Welfare Units to join a well-established company. Job Type:
Full-Time, Permanent Salary:
Competitive Salary, Depending on Experience. Location:
Bourne, Lincolnshire
Depot Based. About The Company: They
are a market leader in the repair and maintenance of towable and static cabins that keep site teams warm, fed and safe on construction, civils and events sites nationwide. About The Role: To attend, diagnose and repair mobile welfare cabins in the field
restoring generators, power, heating, water and waste systems to full working order, first-time wherever possible, while working safely and unsupervised at customer sites. The role is van-based and mobile, covering breakdowns and warranty/service work across customer and hire-fleet sites. A large share of faults are diagnosed remotely (via unit telemetry) before attending, so the engineer must be comfortable interpreting remote data and arriving prepared. What the Role Actually Deals With: Generators / diesel engines -
Oil pressure & oil-change faults, fuel systems, exhaust/DPF, alternator, AVR, governor, glow, E-stop, servicing. Engines: HATZ, Kubota, Lombardini, Perkins, Stephill (Boss L48/L70/L100 units). Plumbing, water & waste -
Frozen/burst pipes, tanks, UV filters, water pumps, toilets, waste-level sensors, leaks. Electrical & power -
12/24V DC systems, Victron kit (inverters, Cerbo, MPPT/solar), fuses, relays, wiring looms, sockets, PIR lighting, "no power" / dead-console faults, electrical-test compliance. Diesel heaters -
Parking/diesel heaters
glow-pin and fuel-pump failure, re-priming, rewiring, thermostats, frost-related no-heat. Batteries -
Lithium battery diagnosis (100/200Ah), BMS behaviour, Victron charge settings, deep-discharge recovery, charge/hold faults. Telemetry / comms -
Units not updating/communicating
SIM/modem, Cerbo, remote-monitoring diagnosis and SIM replacement. Towing & chassis -
Lifting rams/pins, wheels-down locking, coupling, brakes, tyres
getting units mobile. Hydraulics -
Power packs, rams, solenoids for raising/lowering units. Fabrication -
Doors, door closers, hoods, structural repair. Solar -
Panels and MPPT charge faults. Roughly
1 in 5 reported faults turn out to be user error
so customer education, clear on-site communication and honest reporting matter as much as the wrench work. Candidate Requirements Essential: Proven
multi-skilled field service / plant / mobile-mechanic
background (welfare units, generators, plant, HGV, marine, motorhome/leisure, or similar). Diesel engine
fault-finding and servicing (small industrial engines
HATZ, Kubota, Lombardini, Perkins or equivalent). 12V / 24V DC electrical
competence
fault-finding wiring, fuses, relays, inverters, charging systems using a multimeter. Confident
reading fault data / telemetry
and working from remote diagnostics. Practical
plumbing / water-system
repair skills. Strong problem-solving and first-time-fix mindset; comfortable working
alone and unsupervised . Full
UK driving licence ;
B+E (trailer/towing)
entitlement or willingness to obtain. Good customer-facing manner and clear written job reporting. Highly Desirable: Electrical qualification
City & Guilds 2391 (Inspection & Testing)
and/or
18th Edition (BS 7671) ; PAT competence. Experience with
Victron energy systems
(Cerbo GX, MultiPlus inverters, MPPT, VRM) and
lithium/BMS
battery systems. Diesel
parking/air heater
experience (Webasto/Eberspcher-type). Hydraulics
(power packs, rams, solenoids). Fabrication repairs. Solar PV, and basic IT/comms (SIM, modem, routers) familiarity. Relevant safety tickets (CSCS Card, first aid, working at height, manual handling). Personal Attributes
Self-motivated and reliable
the customer's day-rate is stopped until the unit works again. Methodical and safety-first, especially around live electrics, fuel and lifting operations. Resilient and adaptable
outdoor, all-weather, sometimes remote sites. Honest reporter
records what was found and done, including when a fault is user error or unresolved. Working Conditions
Field-based, mobile role with company van and tools. Regional travel to customer and hire sites; some early starts / site-hours working. Breakdown-response element
may include on-call / out-of-hours cover (to be confirmed). Physical role: lifting, working outdoors, in confined welfare-unit plant spaces and all weathers. What they offer
Competitive salary (depending on experience). Company pension. Company van, tools and PPE. Manufacturer and in-house training across generators, power, heating and telemetry. Varied, hands-on work with a UK manufacturer that builds what you fix. If you feel that you have the relative skills/attributes to fulfil this role then please apply now for immediate consideration. The employer fully supports Equality in Employment. All employment is decided based on qualifications, merit and business need.
TPBN1_UKTJ