{"id":1460312,"url":"https://alion.io/job/phinia-sop-lead","title":"Senior Demand and Supply Planner","company":{"id":1874673,"name":"PHINIA","domain":"phinia.com","url":"https://alion.io/company/phinia","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":86,"open_postings":7,"ghost_share":0,"stale_share":0.571,"repost_share":0,"time_to_fill_p50_days":43,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Operations","role_family":"Operations","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Stonehouse, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":48000,"max_usd":93000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":9},"experience_years_min":3,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-07-09T00:00:00Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-09T21:46:08Z","board_verified":true,"closed_at":null,"days_open":124,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":123},"description":"ABOUT US\nPHINIA: Advancing sustainability today, powering a cleaner tomorrow.\nPHINIA 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\nJOB PURPOSE\nReporting 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\nTo 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.\nTo lead best practice production management of value stream bottlenecks to optimise production uptime and efficiency.\nProactively work to identify and mitigate production risks in the short term to minimise impact to the product line.\nDemand & Customer Planning\nEnsure customer demand is accurately reflected within SAP/ERP.\nMaintain customer scheduling agreements, orders and releases.\nMonitor and resolve EDI errors and manage non-EDI customer releases.\nAnalyse customer demand variations and identify significant changes requiring escalation.\nTranslate changing customer requirements into updated production, inventory and dispatch plans.\nSupport customer planning activities for new product launches and product transitions.\nS&OP and Production Planning and Scheduling\nCoordinate 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.\nDevelop, maintain and communicate a rolling manufacturing, assembly and test build plans.\nTranslate customer demand into an achievable Master Production Schedule aligned with available capacity, materials and inventory.\nLead weekly and daily build-plan reviews with Operations.\nMonitor short and long-term capacity versus demand, highlighting gaps and coordinating cross-functional recovery actions.\nReact quickly to demand variation and agree appropriate production and dispatch plans.\nIdentify bottlenecks and planning constraints and coordinate actions to maximise production uptime and efficiency.\nProactively identify short-term production risks and implement mitigation plans before customer delivery is affected.\nMaintain relevant MRP parameters for manufactured parts and finished goods.\nInventory Management\nMonitor and optimise finished-goods inventory levels while protecting customer service.\nEnsure SAP inventory remains accurate.\nReview backflush transactions and investigate unusual inventory discrepancies.\nIdentify root causes of inventory inaccuracies and coordinate corrective actions.\nMonitor blocked stock, negative inventory and other abnormal inventory conditions.\nCoordinate excess and obsolete reporting and process\nBalance inventory, customer requirements and production efficiency when developing manufacturing plans.\nLead and coordinate plant cycle counts and annual physical inventory counts.\nContinuous Improvement & Problem Solving\nMonitor production adherence to schedule and respond quickly to abnormal conditions.\nUse data to identify recurring planning, capacity and inventory issues and drive sustainable corrective actions.\nWork cross-functionally to improve planning stability, inventory accuracy and customer delivery performance.\nSupport new-product launches and production cut-over planning.\nEscalate risks early and ensure clear ownership and action plans are in place.\nEnsure compliance with QMS and customer requirements\nSupport continuous improvement initiatives, e.g. Kaizen projects and Quarterly improvement projects, QCI / JFE. \nExperience and Qualifications\nMinimum 3 years' experience in Demand Planning, Supply Planning, Production Planning or S&OP.\nExperience within automotive manufacturing or Tier 1/Tier 2 automotive supply chain environments.Degree in Supply Chain, Operations, Business or Engineering.\nLine management and experience of developing others\nAPICS/CPIM/ CSCP certification.\nLean, Six Sigma, RedX qualification.\nReward and Benefits\nReward package commensurate with role and experience including discretionary bonus, private healthcare and health cashplan, life assurance, contributory pension, on-site parking and subsidised canteen.\nLocation\nOn-site, Stonehouse Plant - Gloucestershire\nAs 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.\nEQUAL EMPLOYMENT OPPORTUNITY\nPHINIA 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.\nVISA SPONSORSHIP\nFor 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.\nNO UNAUTHORIZED REFERRALS\nPHINIA 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.\nGLOBAL TERMS OF USE AND PRIVACY STATEMENT\nCarefully 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.\nPlease access the linked document by clicking here, select the geographical area where you are applying for employment, and review.\nBefore submitting your application you will be asked to confirm your agreement with the terms.\nCareer Scam Disclaimer:\nPHINIA 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.\nAdvancing sustainability today, powering a cleaner tomorrow. Join us on this shared journey to a brighter tomorrow. 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