COSS Site Supervisor

Location: North West (Manchester, Merseyside, Lancashire)
Salary: Competitive
Contract Type: Permanent, 40 hours per week

Take ownership. Build lasting relationships. Make a visible impact every day.

You take pride in running great sites, building strong client relationships, and leading people with fairness and clarity. That’s exactly the kind of leadership we value at Ground Control.

We’re looking for a hands-on COSS Site Supervisor to lead our teams delivering rail-based arboriculture and devegetation projects. You’ll take charge of site safety, ensure compliance, and drive quality on every job, making sure work is carried out safely, efficiently, and to the highest standards.

As the key link between our site teams, subcontractors, and clients, you’ll set the standard for professionalism and safe working while keeping projects moving smoothly.

What you’ll do

• Acting as COSS on live rail sites, setting up and maintaining safe systems of work.

• Supervising devegetation and arboriculture clearance activities to ensure compliance with rail and environmental standards.

• Leading site teams and subcontractors, motivating them to deliver work safely, on time, and to specification.

• Carrying out site safety checks, toolbox talks, and ensuring close-call and hazard reporting is embedded in daily operations.

• Managing site documentation, access/egress, and reporting – with strong use of IT systems for compliance and client updates.

• Representing Ground Control on-site, ensuring high standards of professionalism, communication, and customer satisfaction.

What you'll get

Development opportunities through hands-on leadership, turnaround work and cross-functional collaboration

Competitive package including company vehicle, private GP, wellbeing support, bonus scheme, pension, volunteering days and recognition rewards

What we’re looking for:

• COSS (Controller of Site Safety) certification (essential).

• PTS and either IOSH Managing Safely or SMSTS.

• Experience supervising in a rail or arb devegetation environment.

• Good working knowledge of safety legislation and site management processes.

• Strong IT skills – confident in using systems for reporting, compliance, and communication.

• A proven leader – able to motivate, challenge, and support teams to deliver safely and effectively.

• A full UK driving licence, as you’ll be travelling across your region to meet clients, support teams and ensure consistent delivery.

Desirable:

• PIC (Person in Charge) certification.

• Technical arboriculture knowledge or previous vegetation management experience.

• First Aid at Work qualification.

About Ground Control
Ground Control is a certified B Corporation, committed to caring for the environment, our people and the communities we serve. Since 1973, we’ve led the industry through quality, sustainability and a genuine commitment to doing the right thing. Our Contract Managers are trusted, supported and given the autonomy they need to deliver work they can be proud of.

If you’re a Contract Manager who values professionalism, accountability and the ability to make a visible difference every day, we’d love to hear from you.

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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.