Administrative Assistant III

Job Description

This role provides administrative support for various tasks, such as basic scheduling, travel arrangements, expense reporting, invoicing, purchase orders, and general assistance to one or more managers within a group, office, or business unit. Familiar with a variety of the field’s concepts, practices, and procedures. Works under moderate supervision. This role requires the skills and ability to partner with leaders on confidential matters, communicate effectively and appropriately with internal resources, clients (where applicable), and other parties in a global and virtual working environment.

Administrative Assistant III

• Provide support in general administrative tasks such as but not limited to filing, encoding, maintaining, and sorting files and documents.
• Managing of shared mailbox such as but not limited to email correspondence and basic scheduling.
• Prepares, generate, and maintain reports, spreadsheets, presentations, and other necessary documents as required, in response to and in anticipation of department’s needs.
• Prepare, review, submit and track expense reports for reimbursements.
• Enter, track, coordinate and process departmental invoices for payment.
• Updates and secures Salesforce data to ensure accuracy, completeness, and usability for business operations.
• Maintains and organizes documents in Sharepoint and Teams databases for stakeholders, including tasks such as saving, organizing, and creating folders for efficient document repository management.
• Reroute documents to other approvers when necessary.
• Conduct online research or other types of research for onshore partners..
• Answering customer inquiries, maintaining client records, performing research on financial products such as stock investment, and providing administrative support to the stakeholders as needed.

Administrative Assistant III

• Preparing and/or monitoring compliance and/or correspondence requirements
• Processing Certificate of Insurance and ensuring correctness of data. (COI)
• Process travel bookings such as air, land, hotel, and other necessary bookings suitable to stakeholders’ needs.
• Virtual coordination with suppliers and vendors.
• Maintain the SOP/DTP of current processes and assist with documentation updates as required.
• Maintain confidentiality and a high level of professionalism in all interactions and when handling sensitive information.
• Relies on experience and judgment to plan and accomplish more complicated goals. Completes tasks independently and receives guidance on new assignments or atypical matters.
• Perform and accomplish the responsibilities listed above with moderate guidance of Team Lead.

Administrative Assistant III

Qualifications

• 3+ years of relevant experience in a fast-paced complex environment
• Proven work experience as an Administration Assistant
• Strong experience working in Microsoft Word, Excel, Outlook, and PowerPoint required.
• Highly motivated with ability to function well in a fast-paced environment.
• Excellent interpersonal, organizational and communication skills
• Strong attention to detail with an ability to deliver accurate documentation and task completion.
• Excellent time management skills and ability to multi-task and prioritize work.
• Experience managing multiple and changing demands, details, and deadlines.
• Prior experience in leading people is a plus.

Additional Information

• Ability to effectively communicate and collaborate within a specific group of internal and external customers. (Communication)
• Ability to maintain good customer relationship with the ability to proactively support customer needs and requirements. (Customer Service)
• Ability to be thorough and meticulous in completing multiple assigned tasks within deadline and in identifying errors, duplicates, and discrepancies through defined methods. (Attention to Detail)

About AECOM

Administrative Assistant III

AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $14.4 billion in fiscal year 2024. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity

Administrative Assistant III

You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a culture of equity, diversity and inclusion – a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families.

Administrative Assistant III

We also provide a robust global well-being program. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.