Assistant Site Manager - Infrastructure

Department: Build Location: Milton Keynes, Buckinghamshire Berkeley Group builds homes and neighbourhoods across London, Birmingham and the South of England. We revive underused land, creating welcoming, sustainable and nature-rich places where communities thrive and where people of all ages and backgrounds enjoy a great quality of life. We specialise in long-term brownfield regeneration, focusing on challenging and complex sites that are beyond the scope of conventional homebuilders. We are highly collaborative, working with councils and communities to create a shared vision and to unlock a mix of social, environmental, economic and commercial value that benefits all our stakeholders. Our passion for quality and design underpins everything we do. All Berkeley homes are created with care, expertise and relentless attention to detail. Working alongside an experienced team, you'll support the safe, high-quality and efficient delivery of our developments. You'll gain hands-on exposure across all areas of the build process, developing your skills and confidence as you progress towards a Site Management role. This is a career-building opportunity where you'll be supported to grow, take ownership, and make a meaningful contribution from day one. What You'll Be Doing

• Champion a proactive safety culture where everyone goes home safely
• Ensure full compliance with Berkeley standards, policies and site procedures
• Support site inductions, toolbox talks and safety communications
• Maintain accurate safety records and documentation
• Participate in site inspections and audits, taking action where needed
• Work closely with the Temporary Works Coordinator to ensure compliance
• Support the day-to-day coordination of site activities
• Monitor subcontractor performance against the build programme
• Ensure works are delivered in line with drawings, specifications and quality standards
• Identify and escalate risks, delays or issues early
• Help plan and organise site operations to meet key milestones
• Maintain clear communication across site teams and stakeholders
• Take pride in delivering homes to the highest standard
• Carry out inspections at key stages and ensure defects are resolved promptly
• Support quality assurance processes, including ITPs and commissioning
• Contribute to continuous improvement by identifying ways to enhance build quality
• Keep the customer at the heart of every decision
• Develop an understanding of contracts and site instructions
• Work collaboratively with the commercial team through all phases of delivery
• Support the accurate recording of progress and quality documentation
• Assist in tracking progress against the programme and key milestones
• Maintain a daily site diary and accurate records
• Help monitor delays and contribute to reporting processes
• Gain exposure to the wider project delivery strategy
What You'll Bring
• Engineering or Construction Degree (BSc or Masters)
• Management or PQP CSCS card, SMSTS, First Aid
• Working towards professional membership (ICE or MCIOB)
• A strong commitment to health, safety and quality
• Clear, confident communication and relationship-building skills
• A positive, solutions-focused mindset
• Attention to detail and a drive to get things right first time
• Curiosity and a willingness to learn, develop and grow
• The ability to work collaboratively and contribute to a high-performing team
Why join us?
• 25 days annual leave, increasing with service to 33 days.
• Health and wellbeing benefits including Private Medical Insurance.
• Lifestyle benefits including access to an online discount platform.
• Berkeley Foundation volunteer day.
• Private pension plan.
• Group life assurance.
The standard default full-time working hours in the office are 8am-5pm with core working hours 9am-4pm. Internal Applicants If you're an internal applicant, please ensure you've informed your line manager of your intention to apply for this position.


• Engineering or Construction Degree (BSc or Masters)
• Management or PQP CSCS card, SMSTS, First Aid
• Working towards professional membership (ICE or MCIOB)
• A strong commitment to health, safety and quality
• Clear, confident communication and relationship-building skills
• A positive, solutions-focused mindset
• Attention to detail and a drive to get things right first time
• Curiosity and a willingness to learn, develop and grow
• The ability to work collaboratively and contribute to a high-performing team
  
  25 days annual leave, increasing with service to 33 days.
• Health and wellbeing benefits including Private Medical Insurance.
• Lifestyle benefits including access to an online discount platform.
• Berkeley Foundation volunteer day.
• Private pension plan.
• Group life assurance.
The standard default full-time working hours in the office are 8am-5pm with core working hours 9am-4pm.