Site Manager (THG Omega) - THG Manufacturing

The role

The Site Manager leads the THG Omega manufacturing site in Warrington, a large-scale operation with 150–250 employees. The role focuses on optimizing and scaling powder blending and multi-format packaging through automation, asset management, and operational excellence.

What you will do

• Lead all aspects of site operations across powder blending and packaging activities.
• Own site performance across safety, quality, cost, delivery, and people metrics.
• Maintain a visible leadership presence across all shifts and functions.
• Ensure effective coordination between production, warehouse, and engineering.
• Drive performance against site KPIs including output, efficiency, labour utilisation, and OTIF.
• Lead all Health & Safety activities to ensure a safe working environment.
• Ensure adherence to GMP, food supplement regulations, and internal compliance standards.
• Work with the Technical Manager to ensure products meet required standards.
• Lead and develop a multi-layer leadership structure.
• Partner with the Engineering Manager to ensure site assets remain reliable.

Required qualifications

• Significant experience in a manufacturing leadership role within a large, complex site.
• Strong background in regulated manufacturing (GMP, BRCGS, or similar).
• Proven ability to lead multi-functional teams and deliver performance at scale.
• Experience in driving operational improvements in stable, high-output environments.
• Strong leadership presence with the ability to influence across all levels of the organisation.
• Excellent organisational, problem-solving, and decision-making skills.

Nice to have

• Experience in powder processing, blending, or high-volume packaging environments.
• Exposure to automation projects and capital investment programmes.
• Strong understanding of lean manufacturing and continuous improvement methodologies.
• Engineering, Manufacturing, or related degree.

Benefits

• Access bespoke development programmes.
• Continued development through an upskilling programme.
• 25 days annual leave plus bank holidays.
• Day off on your birthday.
• Enhanced maternity and paternity pay, depending on length of service.
• Up to 10 days compassionate leave.
• Buy back up to 3 days each year.
• Unlock 2 days volunteer leave after 12-months.
• Access to face-to-face and virtual appointments with an in-house GP (Manchester Head Office).
• Access to subsidised on-site dentist (Manchester Head Office).
• Access to 247 Employee Assistance Programme (EAP) provided by Bupa.
• State-of-the-art on-site gym (Manchester Head Office).

About the company

THG is a global ecommerce group and a leader in beauty and sports nutrition. THG Manufacturing is the dedicated contract manufacturing division of THG PLC.