Demand Planner​/SIOP; Sr Spec, Production Planning

L3

Harris is dedicated to recruiting and developing high‑performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3

Harris provides an inclusive, engaging environment designed to empower employees and promote work‑life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3

Harris is the Trusted Disruptor in defense tech. With customers’ mission‑critical needs always in mind, our employees deliver end‑to‑end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

As a Demand Planner for L3

Harris, you will play a critical role in supporting the Sales, Inventory, and Operations Planning (SIOP) process across one or more manufacturing sites. Your primary responsibility will be to serve as the main point of contact for gathering and tracking demand data from various sources to be used in decision‑making for future planning processes. You will collaborate with cross‑functional teams to consolidate demand information, including firm Sales Orders and speculative demand such as New Business, Follow On, Customer Options, Repair and Return MRO, and Engineering IRAD, while developing forecasts for commercial contracts and customers.

Your role will be instrumental in creating a comprehensive demand plan that spans the next 18‑24 rolling months, ensuring alignment between demand and supply plans across the organization. This role will be critical in the execution of the monthly demand reviews, as the data collected, presented, and agreed to will feed the overall SIOP cadence and cycle.

• Act as the primary liaison between multiple sites and cross‑functional teams to gather, consolidate, and analyze demand data.
• Collect and interpret demand inputs including Sales Orders, customer forecasts, market trends, and historical sales data.
• Develop and maintain an accurate 18–24 month demand plan incorporating internal and external factors.
• Monitor demand changes and proactively identify risks, opportunities, and required adjustments.
• Prepare for and lead SIOP meetings, ensuring demand plans align with business priorities, market conditions, and operational capabilities.
• Communicate demand forecasts and insights to stakeholders, providing recommendations for inventory and production planning.
• Collaborate with Business Development, PMO, and Engineering to understand customer requirements, market dynamics, and upcoming opportunities.
• Create and maintain reports and metrics that track demand planning, forecasting, and SIOP objectives.
• Drive continuous improvement to enhance accuracy, efficiency, and effectiveness of demand planning processes across multiple sites.
• Lead and influence stakeholders without direct authority to drive alignment.
• Adapt to changing business needs and adopt new tools/technologies to improve demand planning.
• Manage multiple priorities effectively in a fast‑paced environment.
• Flexibility to travel occasionally to various sites, 10% approx.

• Bachelor’s degree and 6+ years of related experience;
  Master’s degree and 4+ years; or 10+ years of relevant experience in lieu of a degree.
• Minimum 4 years of experience in planning, operations, manufacturing, or supply chain.
• At least 2 years of demand planning…