Demo

Executive Office Assistant

Lensa
St Louis, MO Full Time
POSTED ON 1/10/2026
AVAILABLE BEFORE 2/7/2026
Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs, but promotes jobs on LinkedIn on behalf of its direct clients, recruitment ad agencies, and marketing partners. Lensa partners with DirectEmployers to promote this job for Post Holdings. Clicking "Apply Now" or "Read more" on Lensa redirects you to the job board/employer site. Any information collected there is subject to their terms and privacy notice.

Brand: Post Holdings Inc.

Categories: Administrative/Office & Facilities Services

Locations: Saint Louis, Missouri

Position Type: Regular Full-Time

Remote Eligible: No

Req ID: 28660

Job Description

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

Position Summary:

The Executive/Office Assistant will work closely with the human resources and compliance and other departments on a variety of events, administrative tasks and projects. This individual will provide paraprofessional and administrative support by accomplishing tasks that are varied, complex and of a highly confidential nature, as well as a variety of routine duties. This assistant will be directly responsible to the Chief Human Resources Officer/Chief Compliance Officer for Post Holdings.

Responsibilities:

Executive Admin Services

  • Provide general support to the human resources and compliance departments, as well as other departments by request.
  • Prepare complex documents including tables, calendars, and reports.
  • Conduct research and information gathering on behalf of the senior leader.
  • Use discretion, judgment, and knowledge of the organization to appropriately complete actions on behalf of the senior leader.
  • Develop positive and strategic relationships at all levels of the organization.
  • Coordinate and manage calendars, deadlines, appointments, travel (domestic and foreign) and other matters.
  • Field inquiries, meeting requests, routes paperwork for signature, prepares filings and memos.
  • Exercise professional judgement, discretion and confidentiality in handling sensitive information related to company financial performance, compensation matters, payroll and personnel matters.
  • Process expense reports, invoices (including G/L coding), reimbursements and other related requests.
  • Perform various routine clerical functions (scanning, faxing, mailing, FedEx).
  • Assist in other special projects as assigned by the departments.

Office Administration

  • Ensure office policies and procedures are implemented appropriately
  • Order and timely maintain office supply inventory in the building
  • Identify and support opportunities for process and office management improvements
  • Place service calls for office equipment and act as the primary point of contact for general office inquiries and building maintenance.
  • Maintain and stock copy room, kitchen and conference rooms in an orderly and timely manner.
  • Ensure a clean and organized office environment.
  • Assist with office layout planning and office moves with Corporate Facilities.
  • Oversee proper maintenance for coffee service, vending machines, cleaning, etc.
  • Serve the front desk.
  • Liaison with building management company .

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

Required Qualifications:

Education/Experience:

  • 10 years of experience as an office assistant or related administrative support role.
  • 3 years of experience as executive level support

Knowledge/Skills:

  • Corporate experience preferred
  • Must be extremely organized with impeccable attention to detail and time management.
  • Proactive and confident with excellent interpersonal skills.
  • Accuracy in data entry and basic math and computer skills required.
  • Advanced proficiency using MS Office (Outlook, Work, Excel and PowerPoint).
  • Basic knowledge of Enterprise Resource Planning (Oracle) system is desired but not required.
  • Ability to function independently, work effectively with a wide variety of individuals and be flexible is critical.

Physical Demands

  • Sitting or standing for extended periods of time
  • Bending at the waist, kneeling or crouching to file materials
  • Lifting, carrying, pushing or pulling objects up to 25 pounds
  • Reaching overhead and above shoulders to retrieve supplies

Onsite role; 5 days a week

Post Holdings provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, status as a covered veteran and any other category protected under applicable federal, state, provincial and local laws.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)

If you have questions about this posting, please contact support@lensa.com

Salary.com Estimation for Executive Office Assistant in St Louis, MO
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