Master Scheduler

Aston Carter; Milwaukee (WI); On-site; USD 85,000 - 105,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Company-paid life insurance

Short-term disability

401(k) with company match

Paid vacation

9 paid holidays

Weekly pay

Job summary

Aston Carter is seeking a Master Scheduler to own and maintain the master production schedule at our Milwaukee plant. You will balance demand, inventory, material availability, and capacity to maximize plant efficiency while coordinating with sales, purchasing, and production teams.

The role requires strong Excel and ERP experience, preferably with Plex. You will lead scheduling meetings, monitor bottlenecks, and drive continuous improvement initiatives to reduce lead times and improve delivery

Qualifications

• Degree in Supply Chain, Operations Management, Business, or related field preferred.
• APICS/ASCM CPIM or CSCP certification strongly preferred.
• Metals experience is a huge plus.

Responsibilities

• Develop and manage master production schedules in a manufacturing environment.
• Apply RCCP, finite and infinite scheduling, TOC, and DD-MRP concepts.
• Monitor inventory levels and production requirements.
• Evaluate material requirements and support purchasing and planning.
• Collaborate with Sales, Purchasing, Production, Customer Service, and Leadership.
• Lead daily and weekly scheduling meetings and ensure adherence to plans.
• Identify capacity bottlenecks and resolve issues before delays occur.
• Investigate scheduling issues with root-cause analysis and corrective actions.
• Design, develop, and maintain production dashboards and reports.
• Lead continuous improvement to reduce lead times and inefficiencies.
• Coordinate schedules with other facilities and document processes.

Skills

Production scheduling

Capacity planning

Excel

ERP experience

Leadership

Education

Supply Chain degree

APICS CPIM/CSCP certification

Tools

Plex Smart Manufacturing Platform

Job description

Job Title: Master SchedulerJob Description

As a Master Scheduler, you will own and maintain the master production schedule to meet customer demand while maximizing plant efficiency. You will develop production schedules based on customer demand, inventory levels, material availability, and production capacity, utilizing advanced capacity planning methodologies. Your role will involve monitoring inventory levels, production requirements, and system-generated planning actions for assigned product lines.

Responsibilities

• Develop and manage master production schedules in a manufacturing environment.
• Apply Rough-Cut Capacity Planning (RCCP), finite and infinite scheduling, Theory of Constraints, and Demand-Driven MRP concepts.
• Monitor inventory levels and production requirements.
• Evaluate scheduled jobs for material requirements, ensuring purchasing and planning activities support production timelines.
• Collaborate with Sales, Purchasing, Production, Customer Service, and Leadership to align schedules with business priorities.
• Lead daily and weekly production scheduling meetings to review priorities and schedule adherence.
• Monitor capacity constraints, identify bottlenecks, and resolve issues before they impact customer deliveries.
• Investigate scheduling and production issues through root cause analysis and implement corrective actions.
• Design, develop, and maintain production dashboards and reporting.
• Lead continuous improvement initiatives to reduce lead times and production inefficiencies.
• Coordinate production schedules with other facilities as needed.
• Document scheduling processes and provide training, mentorship, and backup support for team members.

Essential Skills

• 5-8 years of experience in production scheduling, planning, or manufacturing operations.
• Strong knowledge of capacity planning methodologies.
• Advanced Microsoft Excel skills.
• Strong ERP experience; Plex Smart Manufacturing Platform experience preferred.
• Excellent communication and leadership skills.

Additional Skills & Qualifications

• Degree in Supply Chain, Operations Management, Business, or a related field preferred.
• APICS/ASCM CPIM or CSCP certification strongly preferred.
• Experience with metals is a huge plus.

Work Environment

This role is fully onsite in a manufacturing plant located in Milwaukee. You will work closely with various teams but have no direct reports. The company values tenure and promotes from within.

Job Type & Location

This is a Permanent position based out of Milwaukee, WI.

Pay and Benefits

The pay range for this position is $85000.00 - $105000.00/yr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Health, dental, and vision insurance HRA, HSA, and FSA plan options Company-paid life insurance Company-paid short-term disability 401(k) with company match Immediate paid vacation eligibility 9 paid holidays Weekly pay

Job Type & Location

This is a Permanent position based out of Milwaukee, WI.

Application Deadline

This position is anticipated to close on Oct 30, 2026.

Workplace Type

This is a fully onsite position in Milwaukee,WI.

About Aston Carter

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® Platinum Award winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email [e-mail] ([e-mail]) for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.