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Mars UK • USA-Arkansas-Ft. Smith | United States of America

Site Technical Manager

Employment type:  Full time
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Job Description

Job Description:

Site Technical Manager

The Site Technical Manager holds end-to-end strategic and operational accountability for managing operational risks, asset reliability, and technical integrity across a complex, high-speed manufacturing site of over 700 associates. As a key senior member of the Site Leadership Team, this role designs and deploys proactive technical strategies, capital allocation plans, and the plant maintenance master plan to drive world-class operational efficiency and safety.

Through the direct leadership of 5 Associate Technical Managers, the Site Technical Manager inspires, develops, and orchestrates a massive technical organization of over 100 maintenance and engineering associates.

By implementing robust continuous improvement frameworks (such as Mars Supply Excellence/MSE), this leader fosters a strong culture of technical ownership, safety accountability, and capability development, transforming technical challenges into long-term competitive advantages.

What are we looking for?

  • Minimum of a Bachelor’s degree n Engineering (Mechanical, Electrical, Chemical, Industrial, or a closely related technical discipline). Advanced degree preferred.

  • Minimum of 8 years of progressive experience in manufacturing, engineering, or maintenance roles within a fast-paced, highly automated manufacturing environment (FMCG/Food & Beverage preferred).

  • Minimum of 5 years of direct people leadership experience, with a proven track record of leading other leaders (e.g., managing supervisors, engineers, or department managers) and building high-performing, engaged teams.

  • TPM & MSE Mastery: Deep expertise in Total Productive Maintenance (TPM) or Mars Supply Excellence (MSE), with proven experience leading/owning the Progressive Maintenance (PM) pillar.

  • Proven success optimizing multi-million dollar operating budgets (OPEX) while strictly maintaining a "Zero Incident" safety culture and robust high-risk protocols.

  • Strong track record partnering with engineering on capital projects (CAPEX)—using Early Equipment Management (EEM) to design for long-term maintainability.

  • Experienced in building floor-level Autonomous Maintenance (AM) capabilities in close partnership with operations teams.

  • Lean Six Sigman Green or Black Belt certification preferred.

What would your key responsibilities be?

Reliability, MSE, & Asset Conservation (PM Pillar Lead)

  • Sponsor and Strategic owner of the Site PM (Progressive Maintenance) Pillar, embedding continuous improvement methodologies.

  • Establish a culture of root-cause analysis and systematic Breakdown Elimination to eliminate chronic and sporadic failures, directly improving site efficiency (TRS) and minimizing waste.

  • Oversee the strategic management and conservation of all site physical assets, ensuring the implementation of world-class preventive, predictive, and planned maintenance (PM/PdM) programs.

  • Optimize Utilities & Cost-Efficiency delivering highly reliable, sustainable, and cost-optimized services (steam, air, water, power),

  • Govern Storeroom Strategy, balancing cash flow optimization with asset risk mitigation through efficient inventory controls and supplier partnerships.

  • Lead Strategic Shutdowns ensuring zero safety incidents and high-quality start-ups.

Capital Engineering & Site Master planning

  • Serve as a core contributor to the Site Master Plan and the engineering steering committee, ensuring technical assets are aligned with long-term capacity and capability needs.

  • Establish Collaborative Synergies- forge powerful partnerships and clear connection points between site technical teams and central/regional engineering teams to leverage scale, best practices, and standardizations.

  • Champion the prioritization and execution of the site’s CAPEX budget, ensuring all technical and CI projects are delivered safely, on time, within budget, and designed for reliability.

System Controls & Industrial Digitalization

  • Design the controls master plan and strategic roadmap for all PLC, HMI, and OT (Operational Technology) systems, ensuring high system integrity, obsolescence prevention, and robust cybersecurity.

  • Embed Controls into Asset Health: Ensure automation and control systems upgrades are seamlessly integrated into the site's broader Asset Health Program to future-proof manufacturing lines.

Safety, Security, & Environmental (HSE) Leadership

  • Instill a "Zero Incident" Culture: Actively lead and champion a world-class safety culture across the entire maintenance and engineering department, driving accountability and a "Go & See" mindset.

  • Standardize Regional Best Practices: Partner with site and corporate HSE resources to import, standardize, and sustain best-in-class safety, security, and environmental programs.

  • Drive HSE Capability: Ensure technical associates receive continuous education and training in high-risk areas (e.g., LOTO, electrical safety, confined space) to sustain a safe work environment.

Technical Capability & Training

  • Collaborate with Operations leaders to build robust Autonomous Maintenance (AM) capabilities, establishing clear handshakes between operators and reliability technicians.

  • Build the Technical Talent Pipeline: Design and execute a structured technical training and competency program to close capability gaps, build future-proof skills (automation/digitalization), and secure succession plans for key roles.

Quality & Food Safety (Q&FS) and Sanitary Design

  • Sponsor Sanitary Design: Ensure all maintenance activities, asset modifications, and engineering projects strictly adhere to the highest hygienic and sanitary design standards.

  • Govern HACCP & Food Safety Competency: Establish, coach, and maintain a high-standard Food Safety and HACCP competency program within the technical organization.

  • Maintain PRPs (Pre-Requisite Programs): Guarantee that all PRPs, including Mars GMP/GHP, are deeply embedded and flawlessly executed during daily maintenance and repair tasks.


What can you expect from Mars?

  • Work with diverse and talented associates, all guided by The Five Principles.

  • Join a purpose driven company, where we’re striving to build the world we want tomorrow, today.

  • A strong focus on learning and development support from day one, including access to our in-house Mars University.

  • An industry competitive salary and benefits package, including company bonus.

#LI-BM1

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Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
Sabbaticals
Enhanced maternity leave – 26 weeks at 90% pay
Enhanced paternity leave – 26 weeks at 90% pay
24 days annual leave + bank holidays
“Pawternity” leave
Pregnancy loss leave
Bank holiday swaps
Shared parental leave
Adoption leave
Family health insurance
Pregnancy support
Neonatal leave
Faith rooms
Meditation space
Dog friendly office
Dog friendly co-working space
Annual bonus
Employee discounts
Cinema discounts
Referral bonus
Joining bonus
Cycle to work scheme
Electric Car Salary Sacrifice
Enhanced pension match/contribution
Theme park discounts
Lunch and learns
In house training
Learning license
Studying sabbaticals
Open to part time work for some roles

Working at Mars UK

Company employees:

4,000 In the UK

Gender diversity (m:f):

57:43

Hiring in countries

Argentina

Australia

Austria

Belgium

Brazil

Bulgaria

Canada

China

Czechia

Denmark

Egypt

Estonia

France

Awards & Accreditations

1st - Most Family Friendly Company

1st - Most Family Friendly Company

Flexa awards 2026
3rd - Best Workplace Benefits

3rd - Best Workplace Benefits

Flexa awards 2026
Most loved - Large companies

Top 5 - Most loved - Large companies

Flexa awards 2026
Best Work-Life Balance

Top 10 - Best Work-Life Balance

Flexa awards 2026
1st - Most Family Friendly Company

1st - Most Family Friendly Company

Flexa awards 2025
2nd – Pet Friendly

2nd – Pet Friendly

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Most Inclusive Company

Top 5 - Most Inclusive Company

Flexa awards 2025
Best Work-Life Balance

Top 10 - Best Work-Life Balance

Flexa awards 2025
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025
Best Workplace Benefits

Best Workplace Benefits

Flexa awards 2025
1st – Large companies

1st – Large companies

Flexa100 2024
Consumer Goods

Consumer Goods

Industry awards 2023
3rd – Large companies

3rd – Large companies

Flexa100 2023
Retail & Ecommerce

Retail & Ecommerce

Industry awards 2022

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