Assistant Plant Manager Production & Operations

Holcim UK Limited; England; On-site; GBP 80,000 - GBP 100,000; Full time

Job summary

A leading construction materials provider in the UK seeks an Assistant Plant Manager to enhance site performance and safety. The successful candidate will support the Plant Manager, promote a safety culture, and drive operational excellence. Applicants should possess strong leadership, communication, and organizational skills, with a commitment to continuous improvement. This role offers substantial opportunities for career progression within a diverse and dynamic work environment.

Benefits

Competitive Salary

Bonus Opportunities

25 Days Holiday

Career Progression

Enhanced Family Benefits

Free Remote GP Service

Staff Discounts

Qualifications

• Proactive hands-on leadership style to support operational teams.
• Strong communication skills for relationship building.
• Excellent organizational abilities and time management.

Responsibilities

• Support smooth running of site operations with the Plant Manager.
• Promote a strong Health, Safety & Environmental culture.
• Engage with customers and lead site tours.

Skills

Leadership

Communication

Safety Commitment

Organizational Skills

IT Proficiency

Financial Awareness

Job description

About Holcim

We are leaders in supplying innovative, sustainable building solutions to the UK construction industry; building progress for people and the planet.

Since 1858, we’ve helped shape the UK; powering the construction of homes and hospitals, roads and railways, schools and cities alike.

Our mission is to make sustainable construction a reality, through purposeful action that tackles real carbon and climate challenges. We are dedicated to helping Britain grow and thrive - by doing the right thing, doing it together, and making a difference.

Holcim UK Company Benefits

• Competitive Salary, plus bonus, 25 days holiday + your local bank holidays (with options to increase) and other benefits- all recognising the contribution you bring

• Be valued and supported, working as part of a highly respected team in a business that has a huge focus on Health & Safety

• We care about you and your family. That’s why we offer enhanced family benefits, including maternity, paternity, and adoption leave. We understand that your personal life and family well-being are just as important as your career, so we’re committed to supporting you every step of the way.

• Be part of something bigger with our "Women Empowered - Stronger Together Mentor Program," designed to support, inspire, and uplift women across the business.

• Free 24/7 remote GP service for you and your household, offering medical advice, prescriptions, referrals, and same-day appointments.

• Opportunities for career progression both at home and abroad

• Join our affinity groups selected by and populated by our employees which bring together employees with similar backgrounds and interests to have powerful influence on the workplace

• Staff discounts including special rates for garden landscaping products

The Opportunity

Looking for your next step into leadership where you can make a real impact on site performance, safety, and team culture? We’re looking for an Assistant Plant Manager to join Holcim, a global leader in sustainable construction materials, supporting the Plant Manager and playing a key role in the day-to-day success of the operation.

This is a hands-on, people-focused position where you’ll help drive plant performance, champion safety, support financial controls, and develop the team around you. If you enjoy variety, responsibility, and being at the heart of operations, this role offers genuine progression and long-term development.

What You’ll Be Doing

• Supporting the Plant Manager with the smooth running of site operations and improvement plans

• Promoting and embedding a strong Health, Safety & Environmental culture — leading by example and challenging unsafe behaviours

• Delivering and participating in Interactive Safety Tours, investigations and root cause analysis

• Maintaining and improving plant maintenance schemes to maximise availability and reliability

• Engaging with customers, visitors and local authorities professionally, including leading site tours

• Driving quality standards and supporting compliance with company quality plans and external audits

• Supporting financial administration including cycle counts, GRNs, open order reports and month-end processes

• Assisting with CapEx planning, budget awareness and interpretation of monthly financial performance

• Ensuring the team has the right training, competence and authorisation to perform duties safely

• Contributing to continuous improvement initiatives and site performance targets

• Working flexibly as part of a 24/7 operational environment when required

What You’ll Bring

A proactive leadership mindset with strong communication and organisational skills, the confidence to engage with teams and stakeholders at all levels, and a genuine commitment to safety and operational excellence.

• A proactive, hands-on leadership style with the confidence to support and guide operational teams

• Strong communication skills with the ability to build relationships at all levels

• Excellent organisational and time-management abilities

• A genuine commitment to Health, Safety and Environmental standards

• Ability to analyse information, interpret data and make sound decisions

• Comfortable using IT systems, spreadsheets and reporting tools

• Financial awareness with the ability to understand budgets and site performance metrics

• A continuous improvement mindset with the drive to identify efficiencies

• Flexibility to work in a fast-paced, 24/7 operational environment when required

• Willingness to learn, develop and progress into more senior leadership roles over time

We are committed to building a diverse environment and are proud to be an equal opportunity employer. You will receive consideration for employment without regard to race, religion, gender, gender identity or expression, sexual orientation, national origin, disability or age.