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Assistant Site Manager

Job details
Posting date: 20 November 2025
Salary: £50,000 to £65,000 per year
Hours: Full time
Closing date: 20 December 2025
Location: ox16
Remote working: On-site only
Company: One Way
Job type: Permanent
Job reference: owmo-114159-18676

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Summary

Our client is a well established, family run construction company with extensive history and a strong regional presence. They operate across a variety of sectors including construction, joinery, concrete repair, property development and energy. Their ethos focuses on delivering high quality, sustainable projects while nurturing a collaborative culture and investing in their people.

Typical projects are valued between £1m and £15m consisting of education, healthcare, industrial, residential, commercial, and heritage with services ranging from new builds to extensive refurbishments and retrofits.

The company takes pride in being a complete construction partner, working closely with clients, communities and supply chains to deliver lasting and positive impact.

Assistant Site Manager Summery:

As the Assistant Site Manager, you will play a key supporting role on live construction sites, helping to oversee day to day operations, programme delivery, quality and safety. You will work alongside the Site Manager and Project Team to ensure that projects are delivered on time, within budget and to the company’s high standards.

Assistant Site Manager Responsibilities:

Assist with on site management of construction activities and ensure adherence to health and safety regulations and company standards


Support the Site Manager in coordinating trade contractors, operatives and deliveries


Monitor progress against the construction programme and assist with weekly updates


Work with the Project Manager and Senior Site Manager to identify and mitigate risks


Enforce quality control by inspecting workmanship, materials and finishes


Help prepare and maintain project documentation such as RAMS, inspections and H and S files


Contribute to the development of method statements and ensure subcontractor compliance


Liaise with the supply chain, procurement and logistics teams to ensure timely deliveries


Mentor and supervise junior team members


Maintain strong communication with clients, stakeholders and the wider site team


Assistant Site Manager Specification:

Experience working on construction sites in a supervisory or management capacity


Exposure to projects up to £20 million is desirable


Strong understanding of health and safety requirements and RAMS


Ability to interpret construction drawings and technical specifications


Familiarity with construction programmes and scheduling


Skills and Attributes

Strong leadership and people management skills


Excellent organisational and problem solving abilities


Clear and confident communication skills


Ability to work under pressure and make informed decisions


High attention to detail with a commitment to quality


Positive, collaborative and team focused approach


Assistant Site Manager Benefits

Salary between £50,000 and £65,000


Company car / vehicle allowance


26 days Annual leave + bank holidays


Opportunities for career progression within a stable and growing business


Exposure to a broad range of project types including education and commercial builds


Supportive working environment with ongoing training


A company that cares about social value, sustainability and community impact


How to Apply

If you are ready to take the next step in your construction career, please click Apply or send your CV to the recruitment contact provided.

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