Manager, MPES Demand Planning & SIOP - Maritime Sector
L3HARRIS Technologies
Anaheim, CA · Posted October 28, 2026
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About the job
Job Title: Manager, Manufacturing Engineering (Manager, MPES Demand Planning & SIOP – Maritime Sector)
Job Code: 44126
Job Location: Camden, NJ or Anaheim, CA (Onsite)
Schedule: 9/80 Regular ( Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off )
Job Description:
The Manager, MPES Demand Planning & SIOP – Maritime Sector leads demand planning, SIOP, and master scheduling activities for MPES and the broader Maritime business. This role oversees the MPES Demand Planning/SIOP/Master Scheduling team while consolidating and analyzing demand from multiple internal and external sources. The manager develops a comprehensive 18–24 month rolling demand plan, ensures alignment between demand, supply, and capacity, and drives the monthly demand review process. The position provides data-driven insights to support strategic decisions and operational execution across Maritime sites.
Essential Functions:
Lead, develop, and manage the MPES Demand Planning/SIOP/Master Scheduling team.
Define and document roles, responsibilities, and standard processes for demand planning, SIOP, and master scheduling.
Serve as the primary SIOP and demand planning lead, ensuring demand, supply, and capacity alignment across Maritime sites.
Consolidate and validate demand inputs from cross-functional partners and analyze sales orders, forecasts, market trends, and historical data.
Maintain an accurate 18–24 month rolling demand plan and monitor changes, risks, and opportunities.
Lead demand reviews within the SIOP cycle and update plans based on business priorities and operational capabilities.
Partner with Supply Planning, Operations, and Master Scheduling to translate demand plans into executable production and capacity plans.
Oversee master scheduling compliance with approved demand and SIOP outputs.
Develop reports and metrics to track forecast accuracy, inventory health, schedule adherence, and overall SIOP performance.
Communicate demand insights and recommendations to stakeholders.
Apply analytical skills with the ability to interpret data and draw actionable insights.
Drive continuous improvement in forecasting accuracy, data quality, process efficiency, and tool adoption.
Ensure accuracy and quality in all data analysis, reporting, and documentation through strong attention to detail.
Ability to lead and influence across functions and levels without direct authority.
Ability to work effectively in a fast-paced, dynamic environment and manage multiple priorities.
Ability to obtain a US Government Security Clearance.
Travel occasionally to Maritime sites as needed.
Qualifications:
Bachelor’s Degree and minimum 9 years of prior relevant experience in planning, operations, manufacturing, or supply chain; OR Graduate Degree and a minimum of 7 years of prior related experience; OR in lieu of a degree, minimum of 12 years of prior related experience.
At least 5 years of experience in demand planning and/or SIOP, preferably within the aerospace and defense industry and supporting multiple sites.
At least 2 years of experience leading or managing planning, SIOP, or master scheduling activities in a complex environment.
5 plus years of experience working with SI processes and principles.
5+ years of experience working with ERP systems, specifically Deltek Costpoint, in demand and inventory management.
Minimum 7 years of experience with supply chain principles, including inventory optimization, capacity planning, and risk management.
Minimum 4 years of experience working with demand planning software and advanced proficiency in Microsoft Excel and Power BI.
Preferred Additional Skills:
Degree in Operations Management, Supply Chain Management, Engineering, or related technical discipline.
Knowledge of aerospace and defense industry regulations, market dynamics, and customer requirements.
Experience collaborating with Program Management and Engineering to support IPT requirements.
Proficiency in MRP systems and related planning tools.
Demonstrated expertise in master scheduling, capacity planning, production planning, and inventory management.
Experience designing and documenting end-to-end demand planning and SIOP processes.
Certification in supply chain management (e.g., APICS CPIM, CSCP).
Excellent communication and interpersonal skills, with the ability to collaborate and drive consensus across functions and levels.
Commitment to continuous learning and professional development in demand planning, SIOP, and supply chain management.
In compliance with pay transparency requirements, the salary range for this role is $116,500 - $216,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
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