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PHINIA

Senior Demand and Supply Planner

Posted 3 Days Ago
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In-Office
Stonehouse, Stroud, Gloucestershire, England
Senior level
In-Office
Stonehouse, Stroud, Gloucestershire, England
Senior level
Leads demand, supply, production, and inventory planning for an automotive manufacturing site. Translates customer demand into achievable production schedules, coordinates S&OP, monitors capacity and bottlenecks, manages inventory accuracy, and mitigates delivery risks. The role maintains SAP planning data, supports product launches, drives continuous improvement, and collaborates across manufacturing, operations, engineering, sales, and supply chain teams.
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ABOUT US

PHINIA: Advancing sustainability today, powering a cleaner tomorrow.


PHINIA is a diversified industrial supplier and global leader in the development of fuel systems, electrical systems, and aftermarket solutions, with a strong portfolio of trusted brands that includes DELPHI®, DELCO REMY®, and HARTRIDGE™. With over 100 years of manufacturing expertise and industry relationships, PHINIA has approximately 12,500 talented employees and over 40 locations in 20 countries and is headquartered in Auburn Hills, Michigan, USA. Read More

JOB PURPOSE

Reporting to the Head of Department, this senior level role is responsible for translating customer demand into an achievable manufacturing and supply plan, ensuring we deliver the right product, at the right time and in the right quantity, while balancing production capacity, inventory and operational efficiency.

KEY RESPONSIBILITIES

  • To plan and coordinate production within the product line to ensure achievement of MPS targets taking advantage of the product line structure to drive efficiency in production planning.
  • To lead best practice production management of value stream bottlenecks to optimise production uptime and efficiency.
  • Proactively work to identify and mitigate production risks in the short term to minimise impact to the product line.

Demand & Customer Planning

  • Ensure customer demand is accurately reflected within SAP/ERP.
  • Maintain customer scheduling agreements, orders and releases.
  • Monitor and resolve EDI errors and manage non-EDI customer releases.
  • Analyse customer demand variations and identify significant changes requiring escalation.
  • Translate changing customer requirements into updated production, inventory and dispatch plans.
  • Support customer planning activities for new product launches and product transitions.

S&OP and Production Planning and Scheduling

  • Coordinate the site's S&OP process, bringing together Operations, Manufacturing Engineering, Industrial Engineering, Production Control, Supply Chain, Programme Management, Sales, HR and other key stakeholders.
  • Develop, maintain and communicate a rolling manufacturing, assembly and test build plans.
  • Translate customer demand into an achievable Master Production Schedule aligned with available capacity, materials and inventory.
  • Lead weekly and daily build-plan reviews with Operations.
  • Monitor short and long-term capacity versus demand, highlighting gaps and coordinating cross-functional recovery actions.
  • React quickly to demand variation and agree appropriate production and dispatch plans.
  • Identify bottlenecks and planning constraints and coordinate actions to maximise production uptime and efficiency.
  • Proactively identify short-term production risks and implement mitigation plans before customer delivery is affected.
  • Maintain relevant MRP parameters for manufactured parts and finished goods.

Inventory Management

  • Monitor and optimise finished-goods inventory levels while protecting customer service.
  • Ensure SAP inventory remains accurate.
  • Review backflush transactions and investigate unusual inventory discrepancies.
  • Identify root causes of inventory inaccuracies and coordinate corrective actions.
  • Monitor blocked stock, negative inventory and other abnormal inventory conditions.
  • Coordinate excess and obsolete reporting and process
  • Balance inventory, customer requirements and production efficiency when developing manufacturing plans.
  • Lead and coordinate plant cycle counts and annual physical inventory counts.

Continuous Improvement & Problem Solving

  • Monitor production adherence to schedule and respond quickly to abnormal conditions.
  • Use data to identify recurring planning, capacity and inventory issues and drive sustainable corrective actions.
  • Work cross-functionally to improve planning stability, inventory accuracy and customer delivery performance.
  • Support new-product launches and production cut-over planning.
  • Escalate risks early and ensure clear ownership and action plans are in place.
  • Ensure compliance with QMS and customer requirements
  • Support continuous improvement initiatives, e.g. Kaizen projects and Quarterly improvement projects, QCI / JFE.

Experience and Qualifications

  • Minimum 3 years' experience in Demand Planning, Supply Planning, Production Planning or S&OP.
  • Experience within automotive manufacturing or Tier 1/Tier 2 automotive supply chain environments.Degree in Supply Chain, Operations, Business or Engineering.
  • Line management and experience of developing others
  • APICS/CPIM/ CSCP certification.
  • Lean, Six Sigma, RedX qualification.

Reward and Benefits

Reward package commensurate with role and experience including discretionary bonus, private healthcare and health cashplan, life assurance, contributory pension, on-site parking and subsidised canteen.


Location

On-site, Stonehouse Plant - Gloucestershire


As proud Armed Forces Covenant Silver Award holders, we welcome applications from members of the Armed Forces community, recognising the valuable skills, experience and perspectives they bring to our workforce.


EQUAL EMPLOYMENT OPPORTUNITY


PHINIA is an equal employment opportunity employer such that all qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity/expression, national origin, disability or protected veteran status.


VISA SPONSORSHIP 


For this role, applicants must be currently authorized to work on a full-time basis in the country where the position is based. Only in certain circumstances, based on business need, does PHINIA provide sponsorship for employment visa status.


NO UNAUTHORIZED REFERRALS


PHINIA does not accept unsolicited resumes from recruitment agencies or third-party vendors. Any recruitment partnership must be approved in writing by Human Resources before candidate submissions are made.


GLOBAL TERMS OF USE AND PRIVACY STATEMENT


Carefully read the PHINIA Privacy Policy before using this website. Your  ability to access and use this website and apply for a job at PHINIA are conditioned on your acceptance and compliance with these terms.

Please access the linked document by clicking here, select the geographical area where you are applying for employment, and review.

Before submitting your application you will be asked to confirm your agreement with the terms.

Career Scam Disclaimer: 

PHINIA makes no representations or guarantees regarding employment opportunities listed on any third-party website.  To protect against career scams, job applicants should take the necessary precautions when interviewing for and accepting employment positions allegedly offered by PHINIA. Applicants should never provide their national ID numbers, birth dates, credit card numbers, bank account information or other private information when communicating with prospective employers or responding to employment opportunities online. Job applicants are invited to contact PHINIA through PHINIA’s website to verify the authenticity of any employment opportunities.

Advancing sustainability today, powering a cleaner tomorrow. Join us on this shared journey to a brighter tomorrow. For more information about PHINIA, please visit www.phinia.com.

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