Office Assistant

Office AssistantContribute meaningfully at the core of corporate operations for Post Holdings, Inc. We are seeking a skilled Office Assistant to join our St. Louis headquarters and support our corporate leaders with top-tier administrative and office services. This full-time, onsite role offers the chance to be at the heart of our daily operations—balancing admin support, office coordination, and event logistics. If you're a multitasker with a sharp eye for detail and a passion for creating order, this is your opportunity to help fuel team success.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.Our offices and manufacturing sites are in more than 60 locations in five countries, and we have 11,500+ employees. Over the past 12 years, Post has made 25+ acquisitions and reached $7.9 billion in net sales in fiscal 2024. 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.ResponsibilitiesThe primary purpose of this position is to provide responsive and high-quality office support and administrative assistant services. This position will coordinate and execute clerical functions for the office and provide shared administrative support to corporate functions.Administrative SupportManage calendar and prioritize inquiries and requests, resolve scheduling conflicts, schedule internal and external meetings for corporate leaders as requestedCoordinate travel arrangements, prepare itineraries, plan logistics and prepare and submit expense reportsPrepare certain documents on behalf of leaders and proofread materials for clarity, completeness, and accuracyPrepare and send letters as directedOrder, schedule and set up food for luncheons and trainingsScreen all incoming phone calls, inquiries, visitors, and correspondence, and route accordinglyPerform research as neededCreate reports, presentations and meeting minutes as requestedDevelop and carry out an efficient documentation and filing systemCoordinate events as necessaryPerform other administrative duties and project work as assignedOffice ServicesGreet and assist onsite guestsOrder and timely maintain office supply inventory in the buildingIdentify opportunities for process and office management improvements, and support these improvementsEnsure office policies and procedures are implemented appropriatelyAssist with office layout planning and office moves with Corporate FacilitiesPlace service calls for office equipment and act as the primary point of contact for general office inquiries and building maintenanceMaintain and stock copy room, kitchen and conference rooms in an orderly and timely mannerEnsure a clean and organized office environmentProvide oversight for the safety and security of employees and their propertyManage expense reporting according to internal policies and proceduresOversee proper maintenance for coffee service, vending machines, cleaning, etcLiaison with building management companyQualificationsREQUIRED QUALIFICATIONSEducation/Experience:At least 3-5 years of experience as a receptionist, office manager or an administrative assistantHigh School degree or equivalent requiredKnowledge/Skills:Excellent knowledge of Microsoft Office and Adobe ProfessionalAbility to work with minimal oversightExemplary planning and time management skillsStrong attention to detail and organizational skillsAbility to solve problems, including non-routine issuesAbility to multitask, prioritize daily workloadEstablish and maintain cooperative and effective working relationships with othersExcellent written and oral communication skillsSelf-motivated and ability to work independentlyComplete work with many interruptionsAbility to maintain discretion and keep highly sensitive information confidentialPhysical Demands:Sitting or standing for extended periods of timeBending at the waist, kneeling or crouching to file materialsLifting, carrying, pushing or pulling objects up to 25 poundsReaching overhead and above shoulders to retrieve suppliesThis is a fully onsite role located in St. Louis, Missouri.