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Sr Exec Admin Asst

Post Consumer Brands

Saint Louis, MO

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JOB DETAILS
SKILLS
Administrative Skills, Billing, Calendar Management, Computer Skills, Consumer Packaged Goods, Content Development, Cross-Functional, Data Entry, Detail Oriented, Document Management, Establish Priorities, Executive Assistant Skills , Expense Reporting Software, Expense Reports, Finance, Financial Administration, Follow Through, Fortune 500 Customers, Leadership, Logistics, Mail Processing, Manage Agenda, Manufacturing, Mathematics, Microsoft Excel, Microsoft Office, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word, Multitasking, Negotiation Skills, Operational Support, Organizational Skills, Policy Implementation, Problem Solving Skills, Procedure Implementation, Project/Program Management, Reconciliation, Regulatory Compliance, Reimbursement, Research Skills, Restaurant, Strategic Planning, Team Player, Time Management, Willing to Travel
LOCATION
Saint Louis, MO
POSTED
1 day ago
Business Unit Overview

Feeding the world is what we do - how we do it is unique. We are not your textbook consumer packaged goods company. While others may be slow to make change happen, Post continuously drives both inorganic and organic growth. Our history is evidence of that fact with over 100 years of heritage and growth from brands that transcend generations like Honey Bunches of Oats, Fruity Pebbles, Malt-O-Meal, Bob Evans, Kibbles 'n Bits, Egg Beaters, Peter Pan peanut butter and more. Our foodservice and ingredient businesses supply other products you love for brands, restaurants and stores.

We have more than 55 offices and manufacturing sites and approximately 13,000 employees. Over the past 13 years, Post has made 28+ acquisitions and innovative financial transactions and reached $8.2 billion in net sales in fiscal 2025. During turbulent times of market uncertainty, the food industry has provided a level of stability unlike other industries

Post Holdings, Inc. is a Fortune 500® company headquartered in Brentwood, a suburb of St. Louis, Missouri. Our casual professional atmosphere encourages team members to collaborate, innovate and support our operating companies. Our passion and drive advance the reputation of our operating companies and brands-together, we make a difference.

Responsibilities

The Executive Administrative Assistant will provide high-level administrative and operational support to the EVP and Chief Operating Officer (COO) and other senior leaders of Post Holdings. This role requires a proactive, detail-oriented professional who can manage a diverse range of tasks, from administrative duties to discreet handling of highly sensitive information. The ideal candidate thrives in a fast-paced corporate environment, demonstrates exceptional judgment, and consistently anticipates and resolves needs before they arise.

RESPONSIBILITIES

Executive Support & Administrative Operations
  • Prepare and refine complex documents, presentations, reports, tables, calendars, and financial summaries, ensuring accuracy, clarity, and professional formatting.
  • Manage a dynamic calendar and coordinate multiple priorities, including scheduling meetings, appointments, and domestic and international travel logistics.
  • Draft, edit, and distribute correspondence, memos, approvals, and executive-level communications on behalf of the COO and other senior leaders.
  • Handle incoming inquiries, requests, and workflows - assessing urgency, prioritizing appropriately, and responding or redirecting as needed.
  • Prepare meeting agendas, materials, and pre-reads, as needed.
Information Management & Research
  • Conduct targeted research, compile information, and prepare summaries, briefs, and background materials for meetings, projects, and executive decisions.
  • Maintain strict confidentiality regarding company performance, financial information, leadership discussions, and strategic initiatives.
Relationship Building & Cross-Functional Coordination
  • Develop and maintain collaborative and strategic working relationships across all levels of the organization, from support teams to senior leadership.
  • Serve as a liaison between the COO and internal/external stakeholders, ensuring follow-through, clarity, and professionalism in all interactions.
  • Provide backup administrative support as needed to ensure continuity of other executive functions during absences or peak periods.
Financial & Administrative Processing
  • Prepare and reconcile expense reports, invoices, reimbursements, and related financial processing using expense reporting systems and internal tools.
  • Maintain organized digital and physical filing systems, ensuring accuracy, accessibility, and compliance with internal standards.
Office & Project Management
  • Ensure office policies and procedures are implemented appropriately.
  • Order and timely maintain office supply for COO's office and other senior leaders.
  • Support office layout planning and office moves with Corporate Facilities.
  • Perform routine administrative functions such as scanning, mailing, shipping (including FedEx), document management, and data entry.
  • Assist with the planning, coordination, and execution of special projects, events, presentations, and operational initiatives as assigned.
  • Provide flexible support on emerging priorities and other duties as needed, contributing to the smooth, efficient operation of the COO's office.
Employee Engagement
  • Assist in the planning and execution of department events.
  • Assist HR with coordinating employee engagement programs.
  • Plan and help execute department summit meetings, including content creation, development of agendas, coordinating outside vendors, speakers, and negotiating costs for meals.
  • Provide support to open enrollment processes.
Qualifications

QUALIFICATIONS / SKILLS
  • Minimum of 5 years of experience as an assistant, executive assistant, or related administrative support role
  • Corporate experience preferred
  • Extremely organized with impeccable attention to detail
  • Exceptional time management skills with the ability to multitask
  • Able to proactively anticipate needs and problem solve
  • Solid skills in data entry and basic math and computer skills required
  • Advanced proficiency using MS Office (Outlook, Word, Excel and PowerPoint)
  • Strong working knowledge of expense reporting systems is preferred


This is a hybrid role working onsite in St. Louis on Tuesdays, Wednesdays, and Thursdays. #LI-hybrid

About the Company

P

Post Consumer Brands

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