Site Agent

Octavius Infrastructure; Cambridge; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Company Car scheme

Private Healthcare

Pension

Life Assurance cover

25 days Annual Leave (plus birthday)

Enhanced paternity & maternity package

Personal and professional development

Job summary

Octavius Infrastructure is seeking a Senior Site Manager to lead on a £6–10m roads and infrastructure improvement scheme in Cambridge. You will manage delivery from design to construction, drive safe practices, and build strong client, designer, and supply chain relationships.

You will lead multi-disciplinary teams, shape buildability during ECI, and ensure programme delivery with high quality standards while maintaining stakeholder collaboration and an excellent safety record.

Qualifications

• Proven experience delivering highways or civil engineering projects.
• Experience working in a live environment and coordinating multi-disciplinary teams.
• Knowledge of NEC4 contracts and change management.
• CSCS Manager level and SMSTS qualifications are required.
• Full UK driving licence is essential.

Responsibilities

• Manage and oversee all on-site construction activities, ensuring compliance with drawings, specifications, and method statements.
• Lead site teams and subcontractors, coordinating works to programme.
• Maintain health, safety and environmental compliance on site.
• Ensure quality assurance processes including ITPs and inspections.
• Monitor progress against programme and identify and mitigate delivery risks.
• Maintain site documentation and records for audit trails.
• Support commercial processes by identifying compensation events and early warnings per NEC4.

Skills

Leadership

Team management

Client liaison

On-site delivery

Problem solving

Attention to detail

Education

CSCS Manager level

SMSTS

First Aid at Work

Tools

Procore

CEMAR

Job description

We are recruiting for a Senior Site Manager or Site Manager to join us here at Octavius.

We are a leading civil engineering organisation delivering safe, sustainable, and efficient transport solutions across the UK.

You'll be working on….

A £6–10m roads and infrastructure improvement scheme in Cambridge. This project benefits from Early Contractor Involvement (ECI), giving you the opportunity to shape the design, influence buildability, and drive efficient, right-first-time delivery from the outset.

You will take ownership of on-site delivery, leading a multi-disciplinary team to successfully transition from design into construction. Your focus will be on developing strong relationships with the client, designers, and supply chain, ensuring the project is delivered safely, to programme, and to the highest quality standards.

As a key leader on site, you'll create a collaborative, high-performing environment, embedding our values and ensuring a positive experience for both stakeholders and the travelling public.

You'll receive….

(because we value you)

• Company Car scheme
• Private Healthcare
• Pension
• Life Assurance cover
• 25 days Annual Leave (and a day off for your birthday)
• enhanced Paternity & Maternity package
• opportunity to develop yourself personally and professionally

About You….

You are an experienced Site Manager or Senior Site Manager with a proven track record of delivering highways or civil engineering projects in a live environment.

You thrive in a collaborative setting and enjoy working closely with clients, designers, and supply chain partners, particularly in early engagement phases such as ECI, where your input can shape project success.

You bring strong leadership and communication skills, with the ability to motivate teams, manage multiple workstreams, and maintain high safety and quality standards on site. You are proactive, solutions-focused, and commercially aware, with a clear understanding of how to manage change and risk within a project environment.

Core Responsibilities

(your wealth of experience & qualifications)

• Manage and oversee all on-site construction activities, ensuring compliance with drawings, specifications, and method statements.
• Lead site teams and subcontractors, ensuring works are coordinated efficiently and delivered to programme.
• Maintain high standards of health, safety, and environmental compliance in line with company and project requirements.
• Ensure quality assurance processes are followed, including inspections, ITPs, and record keeping.
• Monitor progress against programme and proactively identify and mitigate risks to delivery.
• Manage site documentation, permits, and records to maintain a clear audit trail.
• Support commercial processes by identifying compensation events, changes, and early warnings in line with NEC4.

Experience & Knowledge

• Proven experience as a Site Manager within civil engineering or highways projects.
• Experience delivering cycleway, public realm, or infrastructure schemes (desirable).
• Good working knowledge of NEC contracts.
• Strong understanding of health, safety, and environmental regulations within construction.
• Experience managing subcontractors and coordinating multi-disciplinary works.
• Comfortable working within a client-facing environment, ideally with local authority stakeholders.

Systems & Digital Capability

• Familiarity with Procore and CEMAR would be beneficial but is not essential.
• Competent in site reporting, programme tracking, and document management systems.

Skills & Attributes

• Strong leadership and communication skills with the ability to drive site performance.
• Proactive and solutions-focused approach to problem solving.
• Highly organised with strong attention to detail.
• Collaborative approach, working effectively with internal teams, designers, and external stakeholders.
• Commercial awareness with an understanding of change management processes.

Additional Requirements

• SMSTS (or equivalent)
• CSCS Card (Manager level)
• First Aid at Work (preferred)
• Full UK driving licence

Inclusion and diversity are important to us, we are an equal opportunities employer and value difference. We want and will continue to build an inclusive environment where our people thrive. We firmly believe constantly striving to build a truly diverse workforce is what makes us a strong business and will enable us to continue to solve important problems and deliver unrivalled value to both our customers and clients. If you need any specialist support throughout your application, we will work with you where we can to support your journey with us.

• Senior Site Manager.pdf