Senior Site Manager – Portsmouth

Reds10; Portsmouth; On-site; GBP 50,000 - 70,000; Full time

Job summary

Reds10, a leading modular construction firm, is seeking a Senior Site Manager to oversee significant Ministry of Defence projects in Portsmouth. The role involves managing site operations, ensuring compliance with safety standards, and driving quality in construction delivery. Candidates should possess substantial site management experience and a commitment to leading high-performing teams. This opportunity promotes professional growth in a supportive environment focused on sustainable construction practices.

Benefits

Ongoing professional development and training

Competitive salary and benefits package

Qualifications

• Minimum 5 years experience as a Senior Site Manager.
• Proven experience managing construction sites with a strong safety focus.
• Essential qualifications: SMSTS, CSCS card, IT literate.

Responsibilities

• Lead site operations and ensure compliance with safety regulations.
• Manage subcontractors, resource planning, and construction programmes.
• Oversee quality control and monitor project progress.

Skills

Health and Safety

Project Management

BIM models

Team Management

Education

HND/NVQ in Construction Management

CIOB membership

Job description

Are you ready to lead the future of sustainable construction? Reds10, an award-winning modular construction company, is looking for a highly experienced (5 years minimum in role) Senior Site Manager to join our dynamic team. We design and deliver high-quality, sustainable buildings for the public sector, and this role will oversee and manage two high-profile Military of Defence projects consisting of living accommodation and associated infrastructure.

At Reds10, we’re not just building structures—we’re creating exceptional experiences for our clients and their communities, with Health and Safety at the heart of everything we do.

As a Senior Site Manager, you’ll take full ownership of the operations on site, ensuring projects are delivered safely, on time, within budget, and to the highest quality standards. You’ll be the driving force behind two motivated site teams, ensuring Reds10’s innovative offsite construction solutions are fully realised. This role would suit a Senior Site Manager with experience overseeing large projects who can establish and manage high-quality standards in the team. We are particularly keen to speak to candidates who are local and commutable to Portsmouth.

This role will require, at a minimum, Baseline Personnel Security Standard (BPSS).

Responsibilities

• Lead site operations, ensuring compliance with building and safety regulations.
• Manage construction programmes, subcontractors, and resource planning.
• Oversee quality control, testing, commissioning, and inspections.
• Act as the first point of contact for all site-related issues and escalation.
• Monitor progress, report to the Operations Manager, and flag potential risks.
• Use BIM models to inform and guide construction execution.
• Keep your team engaged, productive, and aligned with project goals.

What You’ll Bring

• Proven experience managing construction sites with a strong safety and quality focus.
• A minimum of 5 years of experience leading a project team as Senior Site Manager – Essential
• IT literate - Essential
• SMSTS qualification– Essential
• CSCS card– Essential
• Knowledge or prior use of Autodesk (ACC) - Desirable
• First Aid – Desirable
• Temporary Works Coordinator - Desirable
• HND/NVQ in Construction Management or similar – Desirable
• CIOB membership– Desirable

What We Offer

• A chance to work with a forward-thinking, award-winning company.
• Opportunities to work on meaningful public sector projects.
• A collaborative and supportive team culture.
• Ongoing professional development and training.
• Competitive salary and benefits package.