Finance Systems Manager

Aon is in the business of better decisions

At Aon, we shape decisions for the better to protect and enrich the lives of people around the world.

As an organization, we are united through trust as one inclusive team and we are passionate about helping our colleagues and clients succeed.

• Provide day-to-day support for IBM Planning Analytics (TM1), ensuring system stability, data integrity, and timely resolution of issues.
• Collaborate with Finance, Technology, and Business teams to identify opportunities for -> continuous improvement and implement enhancements.
• Lead system testing for upgrades, patches, and new functionalities, ensuring minimal disruption to business operations.
• Provide expert guidance and develop tailored training and supporting resources that empower end users to succeed.
• Maintain accurate documentation, process flows, and user guides in line with governance and compliance standards.
• Own reconciliation processes between TM1 and other financial systems (e.g., Workday), ensuring data consistency and accuracy.
• Promote Aon’s Client Leadership behaviours by fostering collaboration, accountability, and a culture of innovation.

• Hands‑on experience with IBM Planning Analytics (TM1) in a finance systems environment.
• 5+ years of strong understanding of financial processes such as budgeting, forecasting, and reporting.
• Expertise in system analysis, testing, issue tracking, and change management.
• Familiarity with reporting tools and dashboarding platforms (e.g., Power BI, Cognos, Tableau) and a passion for data storytelling.
• Ability to translate business needs into technical solutions and communicate effectively with diverse stakeholders.
• A continuous improvement mindset and a proactive approach to problem-solving.
• Commitment to inclusive practices and a collaborative team culture.
• Experience in Workday Financial is a plus.

In addition to our comprehensive benefits package, we encourage an inclusive workforce. Plus, our agile environment allows you to manage your *, wellbeing and work/life balance close you can be your best self thermore, all colleagues enjoy two “Global Wellbeing Days” each year, encouraging you to take time to focus on yourself. We offer a variety of working style solutions for our colleagues as well.

Our continuous learning culture inspires and equips you to learn, share and grow, helping you achieve your fullest potential. As a result, at Aon, you are more connected, more relevant, and more valued.

Aon values an innovative and inclusive workplace where all colleagues feel empowered to be their authentic selves. Aon is proud to be an equal opportunity workplace.

Aon provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, age, disability, veteran, marital, domestic partner status, or other legally protected status. People with criminal histories are encouraged to apply.

We welcome applications from all and provide individuals with disabilities with reasonable adjustments to participate in the job application, interview process and to perform essential job functions once onboard. If you would like to learn more about the reasonable accommodations we provide, email Rea

For positions in San Francisco and Los Angeles, we will consider for employment qualified applicants with arrest and conviction record in accordance with local Fair Chance ordinances.

Aon is not accepting unsolicited resumes from search firms for this position. If you are a search firm, you will not be compensated in any way for your submission of a candidate, even if Aon hires that candidate.

Nothing in this job description restricts management's right to assign or reassign duties and responsibilities to this job at any time.

The salary range for this position (intended for U.S. applicants) is $100,000 - $125,000 annually. The actual salary will vary based on applicant’s education, experience, skills, and abilities, as well as internal equity and alignment with market…