Site Supervisor

Locations: Maidstone, Kent, United Kingdom

Apply Before: 02/15/2026, 11:59 PM

Job Schedule: Full time

Salary Details: £36,200 - £40,450

Driving Required: Yes

Working Hours: 37

Fixed Term: N/A

Part Time/Job Share Considered: Yes

About the job:

National Highways have an excellent opportunity for a Site Supervisor to join our team in Operations. As a Site Supervisor, you will play a key role in the delivery of major maintenance and minor improvement schemes across the South East region. Reporting directly to the Construction Assurance Manager, you will undertake construction surveillance and assurance inspections to verify quality of works undertaken by external contractors.

Please note that you may be required to work predominantly unsociable hours including nights and weekends for which there will be paid overtime and/or an out of hours allowance. This role will be based from our Maidstone office. Please note that you will be required to drive as part of your role, and you will need to have no more than 3 points to be considered for this position and during employment.

• Assuring the completion of planned works to agreed standards and escalate any concerns to the Construction Assurance Manager (CAM), in line with agreed governance agreements.
• Ensure that construction works comply with CDM regulations, HSE Legislation, Environmental legislation and Chapter 8 requirements, ensuring that Principal Contractor (PC) duties are properly discharged by the relevant parties.
• Ensuring Project Managers receive regular and timely feedback on scheme construction progress, risks, early warnings, design related issues, and act as the initial point of escalation for any on-site issues that need to be resolved.
• Acting as liaison between all key supply chain partners and co-ordinate the delivery programme, ensuring buildability reviews are carried out on all projects.
• Represent the interests of National Highways on construction / maintenance site(s), assuring supplier performance and the completion of planned works to agreed standards, and escalate any concerns to Construction Assurance Manager or Construction Manager, in line with agreed governance agreement.

About you:

• Proven highway/structures and maintenance/construction experience; experience of working on high-speed Trunk Road/Motorway Networks (desirable).
• Good understanding of the DMRB, MCHW, Chapter 8 and CDM Regulations.
• CSCS Card Holder, SSSTS or SMSTS Certificate is essential.
• Ability to execute tasks independently yet work collaboratively within a team and respond to management guidance & support.
• Computer literate with knowledge of MS Office Excel, Word and Outlook.

About us:

Here at National Highways, we manage and improve England’s motorways and major A roads, helping our customers have safer, smoother and more reliable journeys. Our priorities are safety, customers and delivery, and at the core of this, are our values of passion, integrity, safety, teamwork and ownership.

Operations is at the heart of keeping the strategic road network moving and ensuring our customers get the best possible experience when using our roads. We address over 39,000 customer enquiries every month, plan and deliver all maintenance activities on the network, drive efficiencies and improvements across our systems and roads, and respond to incidents across 4,500 miles of motorways and major A-roads that we manage. All to make sure National Highways customers have safer, smoother, and more reliable journeys.

External candidates will be offered a starting salary at the lower end of the pay scale, while current employees will be appointed in accordance with our established pay policy. We are committed to creating a diverse environment and welcome applicants from all backgrounds.

About Us:

Why you should join us: At National Highways we believe in a connected country. We are passionate about creating a culture where colleagues feel connected, included and enjoy greater wellbeing to achieve this. We’re proud that as an organisation we are continually striving to do better and actively encourage and support our colleagues to do the same with their careers.

So, if you put safety first, take ownership of your work, show passion for what you do, work effectively in a team, and demonstrate integrity in how you do it – then you’ll be a great fit for our organisation.

A connected and sustainable working approach has been adopted across National Highways. For some roles, this means being able to work in a hybrid way spending up to 60% of time working from a remote location such as home. Please wait until the interview stage before asking us about flexibility, and we will explore what is possible.

Our benefits package:

• Our total reward package includes basic salary, the potential for a performance related bonus.
• Contributory pension scheme with employer contribution of up to 10%.
• Annual Leave starting at 26 days (plus Bank Holidays) rising by 1 day each year up to 31 days (plus Bank Holidays).
• Flexible hours and an approach driven by connected and sustainable working which includes hybrid working.
• Life assurance of 4 times annual salary.
• Health and wellbeing support, including an Employee Assistance Programme, available 24/7 365 days and network of mental health first aiders. Plus access to a wellbeing app to enhance your self-care 24/7, Occupational health service and flu vaccines.
• A cycle to work scheme for the purchase of a bicycle and equipment for healthy, low carbon travel.
• Significant investment in your career development, through learning and development, talent management, coaching, mentoring and on job experience.
• Family friendly with enhanced maternity leave and pay, paternity leave (15 days), shared parental leave, adoption leave. Plus access to financial support for holiday play schemes and paid special leave (up to 5 days pa), eg for caring responsibilities.
• Money friendly with access to a discounts platform including over 3000 discounts for supermarkets, eating out, leisure, holidays. Alongside a financial wellbeing programme.
• Community friendly – offering paid leave to volunteer, 3 days basic/year.

If you are successful, it is key to know all offers of employment are subject to satisfactory completion of our pre-employment checks which include:

• Right to work check.
• 3 year employment history references.
• DBS criminal record check.
• Social media and adverse journalism check.
• Driving licence check (if applicable).
• Fit to work questionnaire (for all), followed by a medical check (if applicable).
• Qualifications and/or professional membership check (if applicable).

And finally, we reserve the right to close before the advertisement expires.