Demand Planner

INTERCONNECT SOLUTIONS COMPANY LLC; Fountain Valley (CA); On-site; USD 70,000 - 90,000; Full time

Job summary

INTERCONNECT SOLUTIONS COMPANY LLC in Fountain Valley, CA is seeking a Demand Planner to turn customer demand into production and component requirements, schedule orders, and release work orders to the shop floor.

You will work closely with Account Managers, Buyers, Manufacturing Engineering, Quality, Warehouse, and Production to keep plans moving, manage priorities, and address material constraints to ensure on-time delivery.

Qualifications

• 2+ years 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

Responsibilities

• Own production planning and scheduling for assigned customers and 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

Skills

Production planning

MRP/ERP systems

Excel proficiency

Cross-functional communication

Fast-paced environment

Tools

M3

LeanDNA

SharePoint

Outlook

Teams

Job description

Demand Planner

Full Time FIXED Fountain Valley, Fountain Valley, CA, US

Salary Range: $70,000.00 To $90,000.00 Annually

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. Ourproducts are in use worldwide in commercialandmilitaryaircraft , lifesavingmedicaldevices , weaponsystems , inflight entertainment, power systems, and countless commercial, industrial & computerapplications . 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.