Assistant Site Manager

Location: London, South East

Salary: Competitive

Contract Type: Permanent

Working Hours: 40 hours per week, Monday-Friday

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Grow Your Career. Deliver Safely. Learn from the Best.
You take pride in running a safe, organised, and high-performing site. You know how to lead teams, keep projects on track, and deliver quality results. That’s exactly what we’re looking for in this role.

We’re seeking a motivated Site Manager / Assistant Site Manager to oversee day-to-day construction site operations within our Landscape, Design, and Energy division. You’ll work closely with senior managers, maintain health and safety compliance, and lead field teams to achieve strong results while developing your skills for more senior roles.

This is a hands-on leadership role with responsibility for operational delivery, safety, quality, and team performance.

What you’ll do:
In this role, you’ll support site operations and help ensure projects are delivered safely, efficiently, and to specification.

• Site Management: Support day-to-day site operations, ensuring teams work according to project plans and resources are effectively used.

• Team Management: Supervise field teams, mentor where required, and assign tasks with clarity and accountability.

• Site Compliance: Maintain H&S standards, ensure documentation is complete, and carry out regular inspections.

• HSQE: Conduct quality inspections, report hazards, and log updates in Safety Culture.

• Client Relationships: Communicate effectively with clients and support senior managers as needed.

• Decision Making: Make daily on-site decisions with guidance from senior managers and escalate issues as required.

• Systems: Use Microsoft Office, Safety Culture, and other systems to update site progress and records

What you’ll get:

• Opportunity to develop into your role

• Exposure to small and medium-scale projects

• Mentoring from experienced site managers

• Support from Construction Managers and wider operational teams

• Competitive package and benefits

What we’re looking for:

• Proven experience supervising teams or managing site-based projects

• SMSTS and CSCS certifications desirable (training may be provided for the right candidate)

• Safety-conscious with understanding of standards and RAMS

• Strong IT and organizational skills

• Confident, proactive, and willing to learn

Desirable knowledge and skills:

• Assistant site management experience

• Utilities or infrastructure project background

• Transferable experience from other construction industries

Why join us:

Career Development Focus: We’re committed to supporting your professional growth with clear career paths, training, and tailored development programs, including our GC Leadership Academy, job specific accreditations and higher education opportunities.

Exciting Growth Opportunities: Be part of a rapidly growing company with a dynamic team and expanding client base.

Collaborative Environment: Work in a supportive, engaging, and innovative culture where your contributions are valued.

Competitive Package: Enjoy a competitive salary and benefits package, along with flexible working options, including:

23 days holiday, Increasing with length of service + bank holidays

Yearly bonus scheme & Share options

Robust pension scheme

Medigold employee support, Free Flu Jabs, Online private GP Service

Free or subsidised national gym memberships

Employee Recognition Scheme

2 personal choice volunteering days

Ground Control

Ground Control is a UK-based grounds maintenance company powered by the latest technology. Since launching in 1973, Ground Control has grown rapidly and now provides full national coverage for our customers across the UK and Ireland.

We deliver a range of services, including grounds maintenance, winter gritting, landscape construction, design, arboriculture, electric vehicle charging point installation to more than 50,000 commercial properties across the UK.

If you are looking to invest in your future with a business that puts people at the centre of everything, click the apply now button below to speak to a member of our team.

#INDHP

Equal Opportunities Statement

At Ground Control, we are committed to fostering an inclusive and diverse workplace where everyone feels valued, respected, and empowered to thrive. We believe that diversity drives innovation and success, and we welcome applications from individuals of all backgrounds, experiences, and perspectives.

We are proud to be an equal opportunities employer. We do not discriminate on the basis of age, disability, gender reassignment, marriage or civil partnership, pregnancy or maternity, race (including colour, nationality, ethnic or national origin), religion or belief, sex, sexual orientation, or any other protected characteristic as defined in the Equality Act 2010.

We actively support and promote an inclusive culture, ensuring fair and equitable treatment throughout the recruitment process and across all stages of employment, including training, development, promotion, pay, and termination. We are committed to providing reasonable adjustments for disabled applicants and employees, and to creating a working environment free from discrimination, harassment, bullying, or victimisation.

We expect all colleagues to uphold our values of dignity, respect, and inclusion. We take a zero-tolerance approach to any form of discriminatory behaviour and are committed to continuous improvement through training, inclusive policies, and accountability at all levels.