Career Paths

Engineering

Mechanical engineering. Electrical engineering. Controls and instrumentation. Field service. If you know engineering and want to build your energy career, look no further than Infinis.

Our team operates 130+ sites across the UK - from Aberdeen to the South Coast, and Wales to Norfolk. We offer a wide range of engineering career opportunities, including regional and national jobs.

Whatever your background and career aspirations, we may have something that fits the bill.

Feel free to browse some examples of jobs in our team below. Then check out the Vacancies page to see what's available now.

 

Career Paths

Engineering

Overhaul Technician

Location
Regional (north, south, east or west UK)

  • Overhaul technicians perform a range of engine overhauls - including decokes, 10k and 20k services.

    It's a high-volume job that includes stripping, cleaning and rebuilding engines.

    You need to be used to, and enjoy, working outdoors in all weathers. There's also some regional travel involved, including stays away from home.

  • A mechanical engineering background is important. If you've got experience as a car/truck mechanic, marine mechanic or generator engineer, this job is a great fit.

    Electrical engineering experience would be a bonus.

  • The pay is good. There's also the option for flexible working, such as compressed working days.

    You get a fully-expensed van with all the tools and equipment you need. There's also plenty of regional travel, including some stays away from home.

    On-the-job training will help you learn about the products we use.

  • As an overhaul technician, you get to become an expert in your field.

    From here, you could move into field service or unscheduled technician jobs; or maybe go into a workshop role.

Overhaul technicians perform a range of engine overhauls - including decokes, 10k and 20k services.

It's a high-volume job that includes stripping, cleaning and rebuilding engines.

You need to be used to, and enjoy, working outdoors in all weathers. There's also some regional travel involved, including stays away from home.

A mechanical engineering background is important. If you've got experience as a car/truck mechanic, marine mechanic or generator engineer, this job is a great fit.

Electrical engineering experience would be a bonus.

The pay is good. There's also the option for flexible working, such as compressed working days.

You get a fully-expensed van with all the tools and equipment you need. There's also plenty of regional travel, including some stays away from home.

On-the-job training will help you learn about the products we use.

As an overhaul technician, you get to become an expert in your field.

From here, you could move into field service or unscheduled technician jobs; or maybe go into a workshop role.

Electrical Engineer

Location
Regional (north, south, east or west UK)

  • As an Electrical Engineer, you’ll help keep our electrical network safe, reliable and in good working order. You will also manage technicians, and plan/organise the work of maintenance contractors in your region.

    In this job, you’ll be the first port of call for technical assistance from other departments. You will also need to plan ahead for equipment replacement or improvement projects.

  • You will need an electrical background – ideally with an HNC electrical engineering qualification, or equivalent.

    High-voltage experience, especially as a senior authorised person, would be a big advantage.

  • Variety is big part of this job. Every day and every site is different.

    You’ll influence electrical safety and reliability within your region and build your project management experience.

    You’ll also get involved in development projects, such as factory acceptance testing, and broaden your skills/horizons.

  • From this job, you could move to different engineering roles, or maybe to other teams – such as development or project management.

As an Electrical Engineer, you’ll help keep our electrical network safe, reliable and in good working order. You will also manage technicians, and plan/organise the work of maintenance contractors in your region.

In this job, you’ll be the first port of call for technical assistance from other departments. You will also need to plan ahead for equipment replacement or improvement projects.

You will need an electrical background – ideally with an HNC electrical engineering qualification, or equivalent.

High-voltage experience, especially as a senior authorised person, would be a big advantage.

Variety is big part of this job. Every day and every site is different.

You’ll influence electrical safety and reliability within your region and build your project management experience.

You’ll also get involved in development projects, such as factory acceptance testing, and broaden your skills/horizons.

From this job, you could move to different engineering roles, or maybe to other teams – such as development or project management.

Senior Gas Field Technician

Location
Regional (north, south, east or west UK)

  • As a senior technician, you will review more strategic work and monitor contractor activity on landfill sites. You will order parts, commission and monitor work, and arrange deliveries.

    As a leader, you'll support technicians and help them with fault finding and problem solving.

    You will also liaise with landowners, landfill operators and the Environment Agency - making sure that any gas data and remediation works are reported.

  • A background in building, groundworks, landscaping or horticulture would be useful. Technical landfill experience is essential.

    You need to be used to, and enjoy, working outdoors in all conditions. An interest in the environment would be an advantage.

    You need some familiarity with health and safety practices.

  • This job has a positive impact on the environment. You are capturing methane gas that would otherwise be harmful - and converting it to electricity.

    There is also the chance to design and implement upgrades and infrastructure, which is great experience.

  • From a senior technician job, you could progress to become an area manager. A move to another part of the business, such as development, might also be an option.

As a senior technician, you will review more strategic work and monitor contractor activity on landfill sites. You will order parts, commission and monitor work, and arrange deliveries.

As a leader, you'll support technicians and help them with fault finding and problem solving.

You will also liaise with landowners, landfill operators and the Environment Agency - making sure that any gas data and remediation works are reported.

A background in building, groundworks, landscaping or horticulture would be useful. Technical landfill experience is essential.

You need to be used to, and enjoy, working outdoors in all conditions. An interest in the environment would be an advantage.

You need some familiarity with health and safety practices.

This job has a positive impact on the environment. You are capturing methane gas that would otherwise be harmful - and converting it to electricity.

There is also the chance to design and implement upgrades and infrastructure, which is great experience.

From a senior technician job, you could progress to become an area manager. A move to another part of the business, such as development, might also be an option.

Landfill Gas Technician

Location
Regional (north, south, east or west UK)

  • Landfill gas technicians capture methane on landfill sites. The gas acts as a fuel for engines, and is converted into electricity for the grid.

    The job involves measuring gas in wells and along gas pipework. You apply suction to a gas collection system to pull the methane out of the ground at correct levels.

    You will also maintain and inspect the gas collection system and liaise with landowners and landfill operators.

  • Building, groundworks, landscaping or agricultural experience is ideal for this job. Ex-Forces personnel are also well suited.

    You must be used to, and enjoy, working outdoors. An interest in the environment is a bonus.

    You need to be familiar with health and safety practices.

  • This job has a positive impact on the environment. You're capturing gases that would otherwise be harmful, and generating electricity for export to the grid.

    There's scope to work independently, fix things and solve problems. But as part of a close-knit team, there's plenty of help and support available if you need it.

    It's a great vocation if you like working outside.

  • From this job, there's scope to progress to senior technician or manager roles.

    You could also move into another part of the business, such as development and construction, or engine services.

Landfill gas technicians capture methane on landfill sites. The gas acts as a fuel for engines, and is converted into electricity for the grid.

The job involves measuring gas in wells and along gas pipework. You apply suction to a gas collection system to pull the methane out of the ground at correct levels.

You will also maintain and inspect the gas collection system and liaise with landowners and landfill operators.

Building, groundworks, landscaping or agricultural experience is ideal for this job. Ex-Forces personnel are also well suited.

You must be used to, and enjoy, working outdoors. An interest in the environment is a bonus.

You need to be familiar with health and safety practices.

This job has a positive impact on the environment. You're capturing gases that would otherwise be harmful, and generating electricity for export to the grid.

There's scope to work independently, fix things and solve problems. But as part of a close-knit team, there's plenty of help and support available if you need it.

It's a great vocation if you like working outside.

From this job, there's scope to progress to senior technician or manager roles.

You could also move into another part of the business, such as development and construction, or engine services.

Field Service Engine Technician

Location
Regional (north, south, east or west UK)

  • As a Field Service Engine Technician, you’ll maintain a fleet of landfill gas and propane engines – making sure they’re reliable and safe.

    You will take ownership of your van, stores and engines. Each day, you will efficiently handle work orders issued by the Operations Control Team.

    You’ll work on one main site, but also travel to other sites now and again, to help with equipment breakdowns.

  • Mechanical ability – such as a vehicle/HGV technician or marine technical background – is essential.

    You'll need to be positive, have plenty of initiative and be willing to learn.

  • You will work independently and use your own initiative to get engines running. This provides a strong sense of achievement.

    There’s backup from the rest of the team when you need it. Everyone knows each other and is willing to get stuck in to help.

  • This work is a great stepping-stone to senior technician, field service engineer or unscheduled technician jobs.

    Longer-term, it’s realistic to progress into a management role.

As a Field Service Engine Technician, you’ll maintain a fleet of landfill gas and propane engines – making sure they’re reliable and safe.

You will take ownership of your van, stores and engines. Each day, you will efficiently handle work orders issued by the Operations Control Team.

You’ll work on one main site, but also travel to other sites now and again, to help with equipment breakdowns.

Mechanical ability – such as a vehicle/HGV technician or marine technical background – is essential.

You'll need to be positive, have plenty of initiative and be willing to learn.

You will work independently and use your own initiative to get engines running. This provides a strong sense of achievement.

There’s backup from the rest of the team when you need it. Everyone knows each other and is willing to get stuck in to help.

This work is a great stepping-stone to senior technician, field service engineer or unscheduled technician jobs.

Longer-term, it’s realistic to progress into a management role.

Commissioning Engine Technician

Location
Lancaster and UK-wide

  • The Commissioning team visits sites across the country, disconnects engines and exchanges them with pre-built engines from our Lancaster Centre of Excellence.

    This job involves fault finding, rewiring and connecting engines to make sure they will run for a few years in service. Typical tasks include reviewing voltages and checking monitors/systems against stringent standards.

  • You’ll need diagnostics experience from a mechanical engineering environment, and ideally have worked with large engines. An ONC/HNC in Engineering would be ideal.

    As it’s a safety-critical environment, you need to be clued up on mechanical controls, wiring, and electrical control systems.

    You’ll also need to be a good team player, as there’s a lot of interaction with people.

  • You get to travel around the country, with a fully tooled van.

    You’ll work a good shift pattern (three nights away, then four at home). Accommodation and allowances are generous.

    In this job, you’ll make a difference to business continuity, income and safety. It’s also a very friendly and positive team.

  • From this job, a move into technical, regional or field management could work. Or you might choose to go into a development or project-based job.

The Commissioning team visits sites across the country, disconnects engines and exchanges them with pre-built engines from our Lancaster Centre of Excellence.

This job involves fault finding, rewiring and connecting engines to make sure they will run for a few years in service. Typical tasks include reviewing voltages and checking monitors/systems against stringent standards.

You’ll need diagnostics experience from a mechanical engineering environment, and ideally have worked with large engines. An ONC/HNC in Engineering would be ideal.

As it’s a safety-critical environment, you need to be clued up on mechanical controls, wiring, and electrical control systems.

You’ll also need to be a good team player, as there’s a lot of interaction with people.

You get to travel around the country, with a fully tooled van.

You’ll work a good shift pattern (three nights away, then four at home). Accommodation and allowances are generous.

In this job, you’ll make a difference to business continuity, income and safety. It’s also a very friendly and positive team.

From this job, a move into technical, regional or field management could work. Or you might choose to go into a development or project-based job.

Controls & Instrumentation (C&I) Engineer

Location
Regional (north, south, east or west UK)

  • As a C&I Engineer, you’ll visit regional sites to maintain and fix equipment. This includes critical safety systems, gas analysers and site control systems.

    You’ll also manage a technician, provide expert advice and get involved in critical business projects and planning work. You will help us to develop safety processes and system upgrades.

  • An HNC in electrical/electronic engineering (or similar) would be helpful. So would NVQ3 in an engineering/electrical discipline.

    You'll have electrical troubleshooting experience, be familiar with PLCs, and have tested/calibrated electronic equipment.

    You will need a full UK driving licence, as some travel is needed in this job.

  • There’s lots of opportunity for regional and national travel.

    You’ll be working with leading edge technology.

    The learning never stops; you can build your knowledge on different technologies.

  • From this job, you could progress into a management job. Or you could switch to another service – such as outage management, health and safety or technical training.

As a C&I Engineer, you’ll visit regional sites to maintain and fix equipment. This includes critical safety systems, gas analysers and site control systems.

You’ll also manage a technician, provide expert advice and get involved in critical business projects and planning work. You will help us to develop safety processes and system upgrades.

An HNC in electrical/electronic engineering (or similar) would be helpful. So would NVQ3 in an engineering/electrical discipline.

You'll have electrical troubleshooting experience, be familiar with PLCs, and have tested/calibrated electronic equipment.

You will need a full UK driving licence, as some travel is needed in this job.

There’s lots of opportunity for regional and national travel.

You’ll be working with leading edge technology.

The learning never stops; you can build your knowledge on different technologies.

From this job, you could progress into a management job. Or you could switch to another service – such as outage management, health and safety or technical training.

Unscheduled Technician

Location
Regional (north, south, east or west UK)

  • As an Unscheduled Technician, you’ll deal with unexpected engine breakdowns and handle some planned maintenance. You will respond to short notice call outs on your patch.

    There’s some heavy work (such as lifting and transporting engine parts), so it helps to be physically fit.

    You must be flexible and prepared to work a rotating shift pattern. You will also need a full UK driving licence, as this job involves a lot of regional travel.

  • Some mechanical engineering experience – such as taking engines apart and putting them back together – will help. You’ll also need to be able to sort problems and show initiative.

    Low-voltage electrical knowledge would be an advantage.

  • You get a lot of independence and will use initiative to get engines running. This gives a strong sense of achievement.

    You can count on backup from the rest of the team if needed. Everyone knows each other and is willing to provide support.

  • This job provides scope to progress to a field service engineer role. You’ll get to handle more complex machine breakdowns and build your knowledge quickly.

    There’s also the chance to progress into management long-term.

As an Unscheduled Technician, you’ll deal with unexpected engine breakdowns and handle some planned maintenance. You will respond to short notice call outs on your patch.

There’s some heavy work (such as lifting and transporting engine parts), so it helps to be physically fit.

You must be flexible and prepared to work a rotating shift pattern. You will also need a full UK driving licence, as this job involves a lot of regional travel.

Some mechanical engineering experience – such as taking engines apart and putting them back together – will help. You’ll also need to be able to sort problems and show initiative.

Low-voltage electrical knowledge would be an advantage.

You get a lot of independence and will use initiative to get engines running. This gives a strong sense of achievement.

You can count on backup from the rest of the team if needed. Everyone knows each other and is willing to provide support.

This job provides scope to progress to a field service engineer role. You’ll get to handle more complex machine breakdowns and build your knowledge quickly.

There’s also the chance to progress into management long-term.

Electrical Technician

Location
Regional (north, south, east or west UK)

  • As an Electrical Technician, you’ll help keep our electrical network safe, reliable and in good working order.

    You’ll carry out fault finding, planned and reactive maintenance on all our electrical equipment. There are lots of technologies – including switch gear, control systems, and the latest solar and battery storage equipment.

  • Ideally, you’ll have served an electrical apprenticeship or something similar. You could also have an oil, gas, electro-chemical, industrial or ex-Forces electrical background.

  • Variety is big part of this job. No two days are the same, and no two sites are the same.

    You’ll get the chance to work with high-voltage equipment. We will encourage you to get involved and build your skills.

  • Team experience shows this is a good stepping-stone to an Electrical Engineer job.

As an Electrical Technician, you’ll help keep our electrical network safe, reliable and in good working order.

You’ll carry out fault finding, planned and reactive maintenance on all our electrical equipment. There are lots of technologies – including switch gear, control systems, and the latest solar and battery storage equipment.

Ideally, you’ll have served an electrical apprenticeship or something similar. You could also have an oil, gas, electro-chemical, industrial or ex-Forces electrical background.

Variety is big part of this job. No two days are the same, and no two sites are the same.

You’ll get the chance to work with high-voltage equipment. We will encourage you to get involved and build your skills.

Team experience shows this is a good stepping-stone to an Electrical Engineer job.

Engine Overhaul Technician

Location
Lancaster and UK-wide

  • As an Engine Overhaul Technician, you’ll strip engines down, clean components, check tolerances and build them back up.

    This includes both workshop environments, and regional overhaul cycles.

  • A mechanical engineering background and experience of working on large engines - such as a truck/vehicle mechanic - would be ideal.

    A mechanical engineering qualification (such as ONC) is desirable.

    Electrical engineering experience would be an advantage.

  • The shift pattern is good, with four days on and three days off. The team is also friendly and people enjoy coming to work.

    This job is very varied. One day you might strip an engine, another you’ll be wiring, the next will involve fault finding.

    The work is very satisfying. Once you’ve overhauled an engine, it will look brand new again and go back to site in excellent condition.

  • After building your skills in this job, you’ll have the breadth to progress to technical or regional management. Or maybe you'd prefer a sideways move into our regional overhaul teams.

As an Engine Overhaul Technician, you’ll strip engines down, clean components, check tolerances and build them back up.

This includes both workshop environments, and regional overhaul cycles.

A mechanical engineering background and experience of working on large engines - such as a truck/vehicle mechanic - would be ideal.

A mechanical engineering qualification (such as ONC) is desirable.

Electrical engineering experience would be an advantage.

The shift pattern is good, with four days on and three days off. The team is also friendly and people enjoy coming to work.

This job is very varied. One day you might strip an engine, another you’ll be wiring, the next will involve fault finding.

The work is very satisfying. Once you’ve overhauled an engine, it will look brand new again and go back to site in excellent condition.

After building your skills in this job, you’ll have the breadth to progress to technical or regional management. Or maybe you'd prefer a sideways move into our regional overhaul teams.

Controls & Instrumentation (C&I) Technician

Location
Regional (north, south, east or west UK)

  • As a C&I Technician, you’ll visit regional sites to maintain and fix equipment. This includes critical safety systems, gas analysers and site control systems.

    You’ll also perform routine maintenance of electrical/electronic components, and support servicing of fire and gas detection systems. Your work will help us track data, control systems remotely, and keep sites safe.

  • Ideally, you’ll have served an electrical apprenticeship and have electrical troubleshooting experience. You will also be used to calibrating and testing electronic/electrical equipment.

    You will need a full UK driving licence, as this job involves travel.

  • There’s lots of opportunity for regional and national travel.

    You’ll work with state-of-the-art technology.

    In this job, the learning never stops; you can build your knowledge on different technologies.

  • From this job, you could go on to become a C&I Engineer, or maybe move into health and safety or technical roles.

As a C&I Technician, you’ll visit regional sites to maintain and fix equipment. This includes critical safety systems, gas analysers and site control systems.

You’ll also perform routine maintenance of electrical/electronic components, and support servicing of fire and gas detection systems. Your work will help us track data, control systems remotely, and keep sites safe.

Ideally, you’ll have served an electrical apprenticeship and have electrical troubleshooting experience. You will also be used to calibrating and testing electronic/electrical equipment.

You will need a full UK driving licence, as this job involves travel.

There’s lots of opportunity for regional and national travel.

You’ll work with state-of-the-art technology.

In this job, the learning never stops; you can build your knowledge on different technologies.

From this job, you could go on to become a C&I Engineer, or maybe move into health and safety or technical roles.

Field Service Engineer

Location
Regional (north, south, east or west UK)

  • The job of Field Service Engineer involves more complex engineering tasks. You’ll be the go-to person for jobs that nobody else can fix, liaise with manufacturers where needed and share best practice in our business.

    You’ll lead job audits and make sure that people follow procedures. You wll also work with the regional manager to decide upcoming priorities and allocate resources.

  • A mechanical engineering background is important with this job, ideally with knowledge of big generator units. Vehicle/HGV mechanics or agriculture and plant experience is an advantage.

    You’ll be a great problem solver and ideally have some management experience.

    Electrical engineering experience would be a bonus.

  • Each day is different – you don’t know what you’ll be walking into every morning.

    You’ll handle complex problems and get jobs finished every day, which is satisfying.

    The team is supportive and friendly. You will also get the chance to upskill people and help boost their careers.

  • After being a Field Service Engineer, you could progress into field service management. That means taking responsibility for sites and a bigger team.

The job of Field Service Engineer involves more complex engineering tasks. You’ll be the go-to person for jobs that nobody else can fix, liaise with manufacturers where needed and share best practice in our business.

You’ll lead job audits and make sure that people follow procedures. You wll also work with the regional manager to decide upcoming priorities and allocate resources.

A mechanical engineering background is important with this job, ideally with knowledge of big generator units. Vehicle/HGV mechanics or agriculture and plant experience is an advantage.

You’ll be a great problem solver and ideally have some management experience.

Electrical engineering experience would be a bonus.

Each day is different – you don’t know what you’ll be walking into every morning.

You’ll handle complex problems and get jobs finished every day, which is satisfying.

The team is supportive and friendly. You will also get the chance to upskill people and help boost their careers.

After being a Field Service Engineer, you could progress into field service management. That means taking responsibility for sites and a bigger team.

Team Videos

Landfill Gas Technician

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Locations

North region
32 sites

South region
31 sites

East region
53 sites

West region
27 sites 

Infinis regional map diagram