Site Manager (THG Omega) - THG Manufacturing

About THG

We are THG, a global ecommerce group on a mission to be the global online leader in beauty and sports nutrition.

Our portfolio of leading retailers and brands such as LOOKFANTASTIC, Myprotein, ESPA, Perricone MD, and Cult Beauty form our two core businesses: THG Beauty and THG Nutrition.

From Manchester to New York, we're powered by a team of over 2500 people who work together, lead by example, and think BIG.

With us, you'll go further, faster. What are you waiting for?

Location: THG Omega, Skyline Dr, Burtonwood, Warrington, WA5 3TP

About THG Nutrition Manufacturing

THG Manufacturing is the powerhouse behind some of the world's most recognisable nutrition and wellness brands, including Myprotein, Myvegan & Myvitamins. As part of THG Nutrition, our purpose-built, state-of-the-art facilities enable us to control every step of the product journey, from concept and formulation to manufacturing, packing, and distribution.

With vertically integrated operations, we combine innovation, quality, and scale to produce industry-leading health and wellness products, including powders, capsules, tablets, snacks, and bars. Our in-house capabilities give us the agility to respond to trends quickly, deliver consistently for our customers, and lead the way in a fast-paced global industry.

Our mission is to empower healthier lives worldwide, and THG Manufacturing plays a critical role in making that possible. Whether it's developing the next best-selling protein bar or ensuring world-class production standards, our teams are driven by purpose, powered by technology, and united by values that break boundaries and push the industry forward.

It's a truly exciting time to be part of THG Manufacturing - and we're always on the lookout for passionate, talented individuals to help shape the future of Nutrition.

About the Role

The Site Manager is responsible for the leadership and performance of the THG Omega manufacturing site in Warrington, a large-scale operation with a headcount of approximately 150-250 employees operating across a 24/5 shift pattern. The site specialises in powder blending and multi-format packaging.

This role focuses on optimising and scaling an already stable operation, with particular emphasis on automation progression, asset lifecycle management, and sustained performance improvement.

The Site Manager will operate as a highly visible and experienced leader, capable of managing complexity at scale, while continuing to build organisational capability and driving operational excellence.

With strong support functions in place and a capable leadership team, the role requires an experienced operator who can balance day-to-day delivery with medium-term strategic improvements, particularly in relation to automation and process efficiency.

As the Site Manager for THG Omega you will:

• Site Leadership & Operational Delivery Lead all aspects of site operations across powder blending and packaging activities to deliver production plans safely, efficiently, and at scale. Own site performance across safety, quality, cost, delivery, and people metrics. Maintain a visible leadership presence, ensuring strong engagement across all shifts and functions. Ensure effective coordination between production, warehouse, and engineering to meet throughput and service requirements. Drive performance against site KPIs including output, efficiency, labour utilisation, and OTIF.


• Health, Safety & Compliance Lead all Health & Safety activities, ensuring a consistently safe working environment across a large, complex operation. Ensure adherence to GMP, food supplement regulations, and internal compliance standards. Maintain a high level of audit readiness, working closely with the Technical and HSE functions. Promote a proactive and embedded safety culture across all levels of the site.


• Quality & Technical Alignment Work in close partnership with the Technical Manager to ensure all products meet required standards and specifications. Ensure robust quality systems and strong adherence to GMP across all manufacturing and packaging processes. Support root cause analysis (RCA), corrective and preventative actions (CAPA), and ongoing quality improvement initiatives. Drive improvements in right-first-time performance and reduction in waste and rework.


• People Leadership & Development Lead and develop a multi-layer leadership structure, including Production, Warehouse, and Engineering Managers. Build leadership capability and succession across the site, ensuring depth and resilience. Set clear expectations, accountability, and performance standards across all functions. Foster a strong, engaged, and high-performing culture aligned to operational excellence.


• Engineering & Asset Performance Partner closely with the Engineering Manager to ensure site assets remain reliable and fit for purpose, with particular attention to an aging asset base. Ensure effective preventative maintenance and asset care stra

#J-18808-Ljbffr