Principal Specialist, Master Scheduler (Onsite)

Date Posted:

2026-06-12



Country:

United States of America

Location:

US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

Active and existing security clearance required after day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

The Master Scheduler is responsible for developing, managing, and maintaining the Master Production Schedule (MPS) for a site, value stream, or key program within an Aerospace and Defense (A&D) environment. This role ensures the alignment of customer demand, internal capacity, material availability, and inventory targets across long- and short-term planning horizons. Operating at the intersection of planning, execution, and program management, the Master Scheduler plays a critical role in achieving on-time delivery, revenue goals, and customer satisfaction—while maintaining compliance with strict regulatory and contractual standards. 

What You Will Do: 

• Create and maintain an 18-month rolling Master Production Schedule based on demand forecasts, firm orders, and internal requirements 
• Translate customer demand into executable production plans, balancing constraints such as capacity, labor, and materials 
• Incorporate make-to-stock, make-to-order, assemble-to-order, and engineer-to-order strategies into schedule logic 
• Establish and manage the MPS supply load across all value streams and programs 
• Own the supply plan and ensure alignment with the demand plan and financial targets 
• Support the Sales, Inventory, and Operations Planning (SIOP/S&OP) process by providing accurate, timely, and feasible schedules 
• Perform long-term capacity-to-build (CTB) analysis and scenario planning for pull-ins, customer commits, and late changes 
• Partner with Demand Planners to reconcile commit/request gaps and recommend changes to output plans 
• Define and manage product fulfillment strategies, inventory targets, and stocking policies for finished goods 
• Conduct target stock analysis and drive finished goods availability in line with program and business objectives 
• Support both revenue and non-revenue requirements (e.g., spares, rework, test inventory) 
• Monitor and respond to schedule exceptions such as material shortages, engineering changes, ECOs, and quality holds 
• Own short lead time simulations, supply recovery planning, and updates to the schedule based on real-time constraints 
• Maintain the Recommended Changes File for output plan modifications, and communicate changes in quantity and dollar impact 
• Support monthly and quarterly capacity reviews, ensuring assumptions are validated and actionable 
• Balance the rate plan across value streams or factory lines to optimize throughput and minimize bottlenecks 
• Evaluate the feasibility of new product ramps or high-mix schedules based on capacity, supplier readiness, and resource constraints 
• Coordinate with Engineering and Configuration Management to integrate ECOs, ECPs, and NPI builds into the master schedule 
• Schedule First Article Inspections (FAIs) and support ramp-up/ramp-down transitions 
• Align NPI timelines with customer validation requirements and production readiness 
• Track and report key KPIs including Schedule Adherence, Schedule Attainment, On-Time Delivery (OTD), and inventory accuracy 
• Provide visibility into schedule variances, risks, and recovery actions 
• Support leadership reporting on output plans (quantity/dollars) and deviations from the business plan, production plan, and shipment targets 
• Partner with Supply Chain and Procurement to ensure material availability aligns with the schedule 
• Provide early visibility of supply needs for long-lead or high-risk components
• Proactively address shortages, expedite needs, and support hot parts resolution
• Act as a key liaison between Operations, Program Management, Engineering, Finance, and Contracts teams 
• Provide accurate Estimated Completion Dates (ECDs) and maintain communication with stakeholders regarding schedule changes or risks 
• Participate in customer reviews, program meetings, and Integrated Product Teams (IPTs) 
• Ensure all scheduling activities are compliant with ITAR, FAR/DFARS, AS9100, and internal quality procedures 
• Maintain audit-ready schedule history and documentation to support DCMA, government, and customer audits 

Qualifications You Must Have:

• Typically requires a University Degree and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
• U.S. Citizen - The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
• Prior experience in production scheduling 
• Prior experience manufacturing environment 
• Prior experience of ERPs, MRP, MPS, and SIOP principles 

Qualifications We Prefer:

• Bachelor's degree in Supply Chain, Operations, Business, Engineering, or related field 
• Prior experience in production scheduling, supply planning, or operations in an Aerospace & Defense 
• Excellent analytical, communication, and organizational skills 
• APICS/ASCM certification (CPIM, CSCP) 
• Experience with program-based manufacturing and contract deliverables 
• Strong working knowledge of configuration management and engineering change control 
• Proficiency in tools like Power BI, Tableau, Excel (pivot tables, data modeling)Proficiency with ERP systems (e.g., SAP, Oracle, IFS) and advanced planning tools 
• Ability to work with export-controlled and/or classified data under U.S. government regulations 

What We Offer Benefits:  

Some of our competitive benefits packages include:  

• Medical, dental, and vision insurance 
• Three weeks of vacation for newly hired employees 
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option 
• Tuition reimbursement program 
• Student Loan Repayment Program 
• Life insurance and disability coverage 
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection 
• Birth, adoption, parental leave benefits 
• Ovia Health, fertility, and family planning 
• Adoption Assistance          
• Autism Benefit 
• Employee Assistance Plan, including up to 10 free counseling sessions 
• Healthy You Incentives, wellness rewards program 
• Doctor on Demand, virtual doctor visits 
• Bright Horizons, child and elder care services 
• Teladoc Medical Experts, second opinion program 
• And more!  

  

Learn More & Apply Now

Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX 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, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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