Demand Planner

ISC - Interconnect Solutions Company; Fountain Valley (CA); On-site; USD 70,000 - 90,000; Full time

Job summary

ISC - Interconnect Solutions Company is seeking a Demand Planner to turn customer demand into production requirements, scheduling orders from order through shipment. You'll collaborate with Account Managers, Buyers, Manufacturing Engineering, Quality, Warehouse, and Production in a fast-paced manufacturing environment.

Ideal candidates have 2+ years in production planning, experience with MRP/ERP, strong Excel skills, and clear communication.

Qualifications

• 2+ years in production planning, manufacturing planning, demand planning, materials planning, or a similar planning role
• Experience with MRP/ERP systems to plan, schedule, or manage production and material requirements
• Experience creating or managing production schedules, work orders, or material requirements
• Strong understanding of how demand, material availability, capacity, and constraints affect schedules
• Intermediate Excel skills and comfort with planning data/tools
• Strong communication across multiple departments
• Willingness to spend time on the production floor and learn manufacturing processes
• Strong attention to detail and ability to manage multiple priorities

Responsibilities

• Own production planning and scheduling for assigned customers and/or product lines, balancing requirements and constraints
• Translate orders into production schedules and update as needs change
• Create and maintain component demand in the MRP/ERP system
• Release production work orders and monitor progress to keep on schedule
• Collaborate with Buyers to manage material constraints impacting schedules
• Coordinate with Production Leads, Quality, Warehouse on plan status and issues
• Address BOMs, routings, ECNs, and engineering changes affecting the plan
• Partner with Manufacturing Engineering and Quality on scheduling adjustments
• Keep Account Managers informed of production status and changes
• Use M3, LeanDNA, Excel, SharePoint, Outlook, Teams to manage schedules and demand
• Identify scheduling gaps and material risks early and work with teams to resolve
• Look for ways to improve planning processes and cross-functional coordination

Skills

Production planning

MRP/ERP

Scheduling

Excel

Communication

Fast-paced

Cross-department

Attention to detail

Production floor

Tools

M3

LeanDNA

Excel

SharePoint

Outlook

Teams

Job description

About ISC

Established in 1971, ISC began building custom power cables & assemblies for Gateway, Kingston, and Xerox. With over 50 years of manufacturing experience, ISC is capable of meeting tight deadlines and changing forecasts while maintaining quality. Our products are in use worldwide in commercial and military aircraft , lifesaving medical devices , weapon systems , inflight entertainment, power systems, and countless commercial, industrial & computer applications . Our facility is environmentally controlled, engineered for manufacturing flexibility, includes dedicated assembly labs for isolated program management, and a cleanroom facility. With dedicated professionals and assemblers regularly operating two full shifts, ISC operates with the most current high-speed tooling, material handling, and test equipment.

About ISC

Established in 1971, ISC began building custom power cables & assemblies for Gateway, Kingston, and Xerox. With over 50 years of manufacturing experience, ISC is capable of meeting tight deadlines and changing forecasts while maintaining quality. Our products are in use worldwide in commercial and military aircraft , lifesaving medical devices , weapon systems , inflight entertainment, power systems, and countless commercial, industrial & computer applications . Our facility is environmentally controlled, engineered for manufacturing flexibility, includes dedicated assembly labs for isolated program management, and a cleanroom facility. With dedicated professionals and assemblers regularly operating two full shifts, ISC operates with the most current high-speed tooling, material handling, and test equipment.

Job Overview

As a Demand Planner at ISC, you'll turn customer demand into production and component requirements that keep work moving from order through shipment. You'll schedule orders, manage changing priorities and constraints, create component demand in our planning systems, and release work orders to the production floor. Your planning decisions directly impact production flow, on‑time delivery, and customer commitments. You'll work closely with Account Managers, Buyers, Manufacturing Engineering, Quality, Warehouse, and Production to keep plans moving forward. This is a hands‑on role in a fast‑paced manufacturing environment where customer requirements, engineering changes, BOMs, and component needs can change quickly. Success requires strong planning skills, clear communication, and a willingness to work directly with the people building our products.

What You'll Do

• Own production planning and scheduling for assigned customers and/or product lines, balancing customer requirements, material availability, production needs, and changing priorities.
• Translate new customer orders and demand into production schedules and continuously update schedules as requirements and constraints change.
• Create and maintain component demand in the MRP/ERP system based on customer requirements, production plans, and material needs.
• Release production work orders to the shop floor and monitor progress to help keep production on schedule.
• Work closely with Buyers to identify and manage material constraints that could impact production schedules or customer delivery.
• Follow up with Production Leads, Quality, Warehouse, and other teams to understand work order status and address issues affecting the plan.
• Respond to BOM, routing, engineering change, rework, RMA, and other product or process changes that affect production plans.
• Partner with Manufacturing Engineering and Quality when engineering changes, inspections, rework, or other issues require adjustments to the production plan.
• Keep Account Managers informed of production status, schedule changes, and potential issues that may affect customer deliveries.
• Use M3, LeanDNA , Excel, SharePoint, Outlook, Teams, and other planning tools to manage schedules, track demand, and monitor production status.
• Identify potential scheduling gaps, material shortages, and other risks early and work with the appropriate teams to address them.
• Look for opportunities to improve planning processes, communication, and coordination across the organization.
• Perform other duties as assigned in support of business needs.

Must-Have Qualifications

• 2+ years of experience in production planning, manufacturing planning, demand planning, materials planning, or a similar planning role
• Experience working with MRP and ERP systems to plan, schedule, or manage production and material requirements
• Experience creating or managing production schedules, work orders, material requirements, or similar manufacturing plans
• Strong understanding of how customer demand, material availability, production capacity, and scheduling constraints affect one another
• Intermediate Excel skills and comfort working with planning data and tools
• Strong communication skills and the ability to work effectively across multiple departments
• Comfortable working in a fast-paced environment where priorities and requirements can change quickly
• Willingness to spend time on the production floor, communicate directly with Production teams, and learn the manufacturing process
• Strong attention to detail, follow-through, and ability to manage multiple priorities

Bonus Points If You Have

• Experience in aerospace, defense, or other high-reliability manufacturing environments.
• Experience working in a high-mix, low-volume production environment.
• Experience with M3, LeanDNA , or similar ERP and planning tools.
• Experience working with BOMs, routings, ECNs, engineering changes, or manufacturing documentation.
• Experience supporting cable assembly, wire harness, electronics, electromechanical, or similar manufacturing environments.

Compensation Range

$70,000 - $90,000/yr + bonus

We are committed to a high-performance culture of ownership, responsibility, and accountability, which will lead to breakthrough results in service for our customers and highly motivated employees.

ISC is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other protected characteristic under applicable law.

Export Control Requirements (ITAR):

This position requires access to controlled technical data. In accordance with the International Traffic in Arms Regulations, applicants must be a “U.S. Person,” which includes U.S. citizens, lawful permanent residents (green card holders), refugees, or asylees, or otherwise be eligible to obtain required export authorizations.