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Location
In office (Williamsport)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Nov 12, 2026. First seen by Alion on Nov 9, 2026.

Overview
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Stellant Systems is a manufacturer of RF power amplification and spectrum products headquartered in Torrance, California, producing traveling-wave tubes and amplifiers, klystrons, magnetrons, microwave power modules, solid-state amplifiers, power conditioners and XIPS electric propulsion systems. Established in 2021 from the former L3Harris Electron Devices and Narda Microwave-West businesses, it has five US manufacturing facilities, including Williamsport, Melville and Topsfield, and about 1,100 employees. It hires microelectronics and mechanical assemblers, RF engineers and test technicians, manufacturing and component engineers, buyers and planners.

Overview

Job Title: Production Planner

Job Location: Williamsport, PA

Plan and control all scheduling activities supporting Stellant Systems Inc. product base. Balancing production and inventory levels with demand to support targets, in support of 98% customer service levels, 4 inventory turn goals and 80% capacity utilization and staffing requirements/budget.

Work with Sales and Product Management to develop and manage long range sales forecast, material planning, hence inventory optimization, obsolescence and lead times reductions.

Responsibilities

  • Identify and implement system and process improvements within the supply chain to enable overall business process improvement.
  • Further develop existing forecast and supply programs to improve current days of inventory and cash cycle.
  • Improve forecasting tools and procedures through application of innovative ideas and projects.
  • Analyze inventory levels and product demands to determine reorder levels and safety stocks that will ensure product availability and minimize inventory costs.
  • Drive, promote and develop positive communication with Marketing and Sales to improve forecast accuracy.
  • Develop and maintain Forecast, master schedule and procurement plan based on historical data,seasonality and sales opportunities.
  • Review and update forecast, production schedules and aggregate material requirements
  • By using MRP action messages, proactively review material supply and demand and determine potential negative impact of “push/pull” activities, to Manufacturing and supply chain.
  • Coordinate and plan materials requirements for new product introductions, as required, including review of new BOM’s and cut-in dates for build verification and production units.
  • As the ECO implementation coordinator, work collaboratively with Engineering, Inventory production control and Procurement teams, to implement Engineering Changes.
  • Assess any potential negative impact to material availability and production schedules, as driven by customer sales opportunities within the “frozen period.
  • Along with purchasing and PC, review material shortages, and safety stock levels, to meet customer requirements.
  • Assist in the resolution of MRP and production scheduling discrepancies.
  • Work collaboratively to implement innovative inventory optimization business practices, i.e. NCMR’s follow-upresolution and MRB weekly reviews.
  • Work closely with Buyers, PC planners and Finance, to determine the appropriate levels of safety stock for components, thus reducing lead times, in support of customer service

Qualifications

  • Proven experience with complex planning, forecasting and product lifecycle programs.
  • Experience with Purchasing/Materials tools (MRP and Inventory analysis).
  • Proven people skills required, must have ability to work with others, by effectively managing conflict with positive power and influence skills.
  • Excellent Communication Skills (written and verbal).
  • Organizational and problem solving skills required.
  • Minimum of 5-10 years of Supply Chain/Master Scheduling experience and Bachelor’s degree in Business Management, Supply Chain Management, or equivalent.
  • Experience in analysis and negotiation of costed bills of materials to formulate a fair and ethical quote review.
  • LEAN SIX SIGMA tool kit-experience and understanding, strongly desired.
  • APICS certification preferred

Stellant Systems is an Equal Opportunity/Affirmative Action Employer. We consider applicants without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status or membership in any other group protected by federal, state or local law.

To conform to U.S. Government export regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S. (e.g. Green Card holder), or a protected individual as defined by the International Traffic in Arm Regulations (ITAR).

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