Operations Engineer

Last Mile Infrastructure Limited; Greater London; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Company sick pay

25 days holiday (increasing to 30)

EV and ULEV salary sacrifice scheme

Cycle to work scheme

Up to 7% employer pension contribution

Life assurance (x4 salary)

Private medical insurance

Job summary

Last Mile Infrastructure Limited is seeking a Senior Authorised Person (Operations Engineer) to support the construction, testing and energisation of electricity networks around London. The role involves travel to sites and occasional overnight stays, with a focus on safety and high-quality delivery.

You will supervise and mentor staff, conduct competency assessments, coordinate with DNO/IDNO engineers, and oversee pre-commissioning and energisation activities.

Qualifications

• Previous experience in the utility sector in a similar Operational Role.
• Sound knowledge of HV and LV distribution networks and the apparatus and cables used in construction.
• DNO/iDNO 11kV AP/SAP Operational Authorisation.
• A recognised supervisory Health & Safety qualification (SSSTS or IOSH).

Responsibilities

• Supervise and mentor staff to support development and enhance company performance.
• Conduct competency assessments as an Assessing Officer to ensure compliance with company authorisation standards.
• Perform pre-commissioning and testing of 11kV & LV switchgear, including IR, continuity, and pressure testing.
• Liaise with DNO engineers for final connections, energisation of substations, and IDNO/DNO LV networks.
• Plan and execute DNO LV & HV Self-Connect activities and support fault location/repair.
• Install and test CT Metering wiring in line with industry standards (COP3/COP5 & P283).

Skills

Supervision

Mentoring

Electrical testing

Project coordination

Education

HNC in electrical engineering

Tools

COP3/COP5 & P283 standards

Job description

As a Senior Authorised Person (Operations Engineer), you will use your technical expertise, initiative, and problem-solving skills to support Craftsmen and Project Managers with the construction, auditing, and energisation of electricity networks. Your role will be key in ensuring projects are delivered efficiently, safely, and to the highest standards. The position requires travel to various sites, with occasional overnight stays, so flexibility is essential. We're actively looking for someone who is based in and around London.

Benefits

• Company sick pay
• Some of our benefits are only applicable when you have successfully completed your probation period
• 25 days holiday, increasing after 2 years by 1 day each year up to 30 days, plus 9 public holidays
• Holiday buy scheme
• EV and ULEV salary sacrifice scheme (subject to minimum length of service)
• Cycle to work salary sacrifice scheme
• Up to 7% employer pension contribution
• Volunteering Day
• Life assurance (x4 annual basic salary)
• Retail, travel and leisure discounts via our MilesMore benefits platform
• Refer a friend incentive
• Stream Financial wellbeing platform
• Employee assistance programme
• Private medical insurance

Responsibilities

• Supervise and mentor staff to support development and enhance company performance.
• Conduct competency assessments as an Assessing Officer to ensure compliance with company authorisation standards.
• Perform pre-commissioning and testing of 11kV & LV switchgear, including IR, continuity, and pressure testing.
• Liaise with DNO engineers for final connections, energisation of substations, and IDNO/DNO LV networks.
• Plan and execute DNO LV & HV Self-Connect activities and support fault location/repair.
• Install and test CT Metering wiring in line with industry standards (COP3/COP5 & P283).

Qualifications

• Previous experience in the utility sector in a similar Operational Role
• Possess a sound knowledge of HV and LV distribution networks and the apparatus and cables used in construction.
• HNC, or equivalent, level of qualification, with a good theoretical and working knowledge of 1ph and 3ph electrical systems at both LV and HV.
• Current or previous DNO/iDNO 11kV AP/SAP Operational Authorisation
• A recognised supervisory Health & Safety qualification (e.g SSSTS or IOSH)

At Last Mile, we take pride in delivering top-quality solutions across the multi-utility sector.

Our dedicated Technical and Operations team is expanding, and we're excited to welcome a talented Senior Authorised Person (Operations Engineer) to join us.

Last Mile is one of the largest last-mile multi-utility businesses in the UK. We understand construction and we know utilities. We design, build, own, and manage the last mile of essential utilities infrastructure. With a proven history of delivering multi-utility connections across Great Britain, we provide a full suite of utility infrastructure, including clean heat networks, electricity, gas, water, wastewater and fibre. With a strong track record, deep industry knowledge and solid investor backing, we take a forward-thinking approach to the complex economic, social and environmental challenges of today, to innovate for a better tomorrow. Through Last Mile and our asset adoption business Last Mile Asset Management, we provide a one-stop shop for new utility connections. Were proud to be both a Great Place to Work certified business and a Living Wage Employer, reflecting our commitment to supporting and valuing our people.

At Last Mile, we are proud to be an equal opportunities employer. We consider all applications solely on the basis of skills and experience and actively encourage candidates from all backgrounds to apply.