The Sr. Application Administrator will be responsible for the administration, maintenance, and optimization of business-critical applications. This role involves troubleshooting issues, supporting end-users, managing system updates, and ensuring compliance with security standards. The Sr. Application Administrator applies advanced knowledge of the applications typically obtained through advanced education and work experience. Responsibilities may include managing projects / processes, working independently with limited supervision. Problems faced are difficult and sometimes complex. The ideal candidate is a proactive problem-solver with strong technical skills and a customer-focused mindset, capable of bridging the gap between IT and business units. This position is an individual contributor role. This position reports to the Business Relationship Manager - Engineering and interacts with Global IT, Global Business Leads, Global Functional Leads, Project Management, Engineering, Supply Chain, and Construction. This position can be located in The Woodlands, TX or Plainfield, IL office.