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Master Scheduler and Inventory Controller - Job Opportunity at L3Harris Technologies

Tewkesbury, GB
Full-time
Mid-level
Posted: August 1, 2025
On-site
£45,000 - £65,000 per year based on the mid-level experience requirements, specialized SIOP expertise, team leadership responsibilities, and L3Harris's position as a major defense contractor in the competitive Tewkesbury market

Benefits

Comprehensive pension scheme with up to 7% employer contribution providing strong retirement security above typical market rates
Flexible private medical insurance with optional family coverage ensuring complete healthcare protection
Life assurance coverage of 4x salary with flexibility up to 10x providing exceptional financial security for families
Group income protection offering salary continuation during illness or disability
Enhanced work-life balance with half-day Friday finish policy unique in the defense sector
Generous 25 days annual leave plus bank holidays with service-based increases and buy/sell flexibility
Professional development support through discretionary membership reimbursements
Comprehensive wellness package including health cash plans, dental insurance, and gym memberships
Employee assistance program providing mental health and wellbeing support
Sustainable commuting support through cycle to work scheme

Key Responsibilities

Lead strategic supply chain optimization initiatives across L3Harris's end-to-end operations to drive measurable value creation and competitive advantage
Spearhead the implementation and maturation of Sales, Inventory and Operations Planning (SIOP) as a core business process across the organization
Direct and develop a multi-functional planning and inventory team while serving as the critical liaison between SIOP teams and global stakeholder groups
Drive financial performance through comprehensive analysis, forecasting, and strategic planning support to meet organizational targets and objectives
Facilitate integrated business planning processes that align resources and capabilities with strategic business objectives
Champion data-driven decision making through development of advanced dashboards, reports, and analytical frameworks for executive leadership
Build and maintain strategic relationships with key stakeholders across Finance, Procurement, Engineering, Programs, and Operations to ensure seamless information flow
Lead organizational change management initiatives to embed SIOP processes and increase operational maturity across the business
Provide critical financial governance and modeling support for bid processes and program execution to ensure profitable growth
Present complex supply and demand analysis to senior leadership during critical business review sessions

Requirements

Education

Bachelor's degree or equivalent in business, finance or Operations

Experience

3-5 years working in a planning, Procurement or Finance role and can demonstrate knowledge and experience of SIOP

Required Skills

Change management experience Excellent stakeholder management skills Knowledge of supply-chain centric KPI calculation methods Good knowledge of data warehousing and data modelling principles Experience of ERP systems (SAP Knowledge would be an advantage) Skill in developing Power BI reports, metrics and dashboards to tell a data story Strong analytical and problem-solving skills with a keen attention to detail Excellent oral and written communication skills for translating data insights into concise executive summaries and presentations Ability to present findings in a structured, clear manner with actionable insights
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Sauge AI Market Intelligence

Industry Trends

The defense industry is experiencing unprecedented digital transformation with increased emphasis on supply chain resilience and visibility, driven by global supply chain disruptions and geopolitical tensions. Organizations are investing heavily in advanced planning systems and integrated business processes to maintain competitive advantage and ensure mission-critical delivery capabilities. Sales, Inventory and Operations Planning (SIOP) is becoming a strategic differentiator in the defense sector as companies seek to optimize working capital, reduce inventory costs, and improve customer service levels. The integration of advanced analytics and real-time data visibility is transforming traditional planning approaches into predictive, AI-enabled systems. The UK defense sector is experiencing significant growth due to increased government spending and international partnerships, creating high demand for skilled supply chain and planning professionals who can navigate complex multi-national programs and stringent security requirements.

Role Significance

Direct management of a planning and inventory team of approximately 5-8 professionals, with matrix influence across multiple cross-functional teams including Finance, Procurement, Engineering, and Operations spanning both UK and global stakeholders.
This is a strategic mid-level management position with significant organizational impact, combining operational leadership with strategic planning responsibilities. The role serves as a critical bridge between tactical execution and strategic business objectives, with direct influence on financial performance and supply chain optimization.

Key Projects

Implementation and maturation of enterprise-wide SIOP processes across multiple business units and geographic regions Development of integrated business planning frameworks that align supply chain capabilities with customer mission requirements Digital transformation initiatives involving advanced analytics platforms and real-time visibility systems Cross-functional process improvement projects focused on inventory optimization and working capital management

Success Factors

Exceptional stakeholder management capabilities are crucial given the need to influence and coordinate across multiple business functions, geographic regions, and organizational levels without direct authority over all participants. Strong analytical and data visualization skills using tools like Power BI and SAP are essential for transforming complex supply chain data into actionable insights that drive executive decision-making and business performance. Change management expertise is critical for successfully embedding new SIOP processes across the organization and overcoming resistance to process transformation in a traditional defense environment. Strategic thinking combined with operational excellence is required to balance long-term planning objectives with the need for agility and responsiveness to changing business conditions and customer requirements.

Market Demand

High demand driven by critical defense sector growth, digital transformation initiatives, and the specialized nature of SIOP expertise combined with security clearance requirements

Important Skills

Critical Skills

SIOP expertise is absolutely essential as this represents the core methodology driving supply chain optimization and business planning across the organization. Professionals with proven SIOP implementation experience are highly sought after in the defense industry due to the complexity of defense supply chains and the strategic importance of planning accuracy. Power BI and data visualization capabilities are critical for translating complex supply chain data into executive-ready insights. The ability to create compelling data stories that drive decision-making is increasingly important as defense companies become more data-driven in their operations. Stakeholder management skills are vital given the matrix nature of the role and the need to influence across multiple business functions, geographic regions, and organizational levels. Success depends on building trust and driving alignment without direct authority over all participants.

Beneficial Skills

SAP experience would provide significant advantage given the prevalence of SAP systems in large defense contractors and the technical complexity of supply chain data integration across multiple business units and geographic regions. Change management certification or formal training would enhance effectiveness in driving organizational transformation and process maturation initiatives that are critical to the role's success. Project management expertise (PMP or similar) would be valuable for managing cross-functional initiatives and ensuring successful delivery of complex planning system implementations.

Unique Aspects

This role offers rare exposure to both strategic planning and operational execution within a major defense contractor, providing comprehensive business experience that spans finance, operations, and technology
The position includes direct involvement in mission-critical defense programs that support national security objectives, offering meaningful work with global impact
Security clearance requirements create a specialized career path with limited competition and strong job security within the defense sector
The combination of UK operations with global stakeholder management provides international business experience while maintaining work-life balance through local positioning

Career Growth

Typical progression to senior leadership roles within 3-5 years given the strategic nature of the role, direct leadership experience, and exposure to executive-level decision making processes

Potential Next Roles

Head of Business Operations with expanded P&L responsibility and strategic business unit oversight Supply Chain Director role with enterprise-wide accountability for end-to-end supply chain performance Program Director positions managing large-scale defense contracts and customer relationships Business Development Director roles leveraging operational expertise to drive growth initiatives

Company Overview

L3Harris Technologies

L3Harris Technologies is a Fortune 100 aerospace and defense technology company and one of the largest defense contractors globally, formed through the 2019 merger of L3 Technologies and Harris Corporation. The company specializes in defense communications, electronic systems, space solutions, and intelligence platforms serving government and commercial customers worldwide.

L3Harris holds a dominant position in the global defense market as the sixth-largest defense contractor worldwide, with particular strength in communications systems, electronic warfare, and space technologies. The company maintains strategic partnerships with major government agencies and international allies.
The Tewkesbury location serves as the UK headquarters for L3Harris's Intelligence & Cyber International division, representing one of 11 UK sites with nearly 1,000 employees. This positioning provides significant career opportunities within a major international defense organization with strong UK government relationships.
L3Harris promotes a mission-driven culture focused on national security objectives, with emphasis on employee development, work-life balance, and inclusive leadership. The company culture balances the precision and accountability required in defense contracting with innovation and professional growth opportunities.
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