Senior Authorised Person

Last Mile Group; Oxford; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Pension scheme

Private medical insurance

Cycle to work

Life assurance

Job summary

Last Mile is seeking a Senior Authorised Person (Operations Engineer) to support Craftsmen and Project Managers with construction, auditing and energisation of 11kV and LV networks. The role requires travel to multiple sites, including occasional overnight stays, with a base around London.

You will supervise staff, conduct competency assessments, and liaise with DNO/IDNO for final connections while ensuring safe, compliant delivery of projects across the multi-utility sector.

Qualifications

• Experience in utility sector in a similar Operational Role.
• Sound knowledge of HV and LV distribution networks and associated equipment.

Responsibilities

• Supervise and mentor staff to support development and performance.
• Conduct competency assessments to ensure compliance with authorisation standards.
• Pre-commissioning and testing of 11kV and LV switchgear, including IR, continuity, and pressure testing.
• Liaise with DNO engineers for final connections and energisation of substations.
• Plan and execute DNO LV/HV Self-Connect activities and support fault location/repair.

Skills

Supervision & mentoring

Competency assessments

HV/LV electrical systems

Project coordination

Education

HNC or equivalent

DNO/iDNO 11kV AP/SAP Authorisation

SSSTS or IOSH safety qualification

Job description

Senior Authorised Person (Operations Engineer)

Step into a leading utilities company that champions innovation and service excellence.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.

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.

What’s in it for you as a Senior Authorised Person (Operations Engineer)?

• 25 days holiday, increasing after 2 years by 1 day each year up to 30 days, plus 9 public holidays
• EV and ULEV salary sacrifice scheme (subject to minimum length of service)
• Cycle to work salary sacrifice scheme
• Up to 7% employer pension contribution
• 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*
• Company sick pay*

*Some of our benefits are only applicable when you have successfully completed your probation period*

Your responsibilities as a Senior Authorised Person (Operations Engineer):

• 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).

Experience / Knowledge:

• 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.

Qualifications:

• 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)

Have you got the drive to go to the Last Mile as a Senior Authorised Person (Operations Engineer)?

About 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.

We’re 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.