We are seeking a Senior Finance Solutions Specialist with hands‑on experience with an Enterprise Financial Management/ERP system. The ideal candidate will have experience across multiple implementations and the ability to collaborate effectively with business and technical teams to deliver scalable, efficient solutions. As the techno-functional lead, you will drive the evolution, integration, and management of Certinia ERP and PSA within Oliver Wyman. This role encompasses solution architecture, technical support, application administration, stakeholder engagement, and team leadership, bridging business, finance, and technology to optimize our cloud-based service operations.
Senior Finance Solutions Specialist
We will count on you to:
Collaborate with business, finance, and technical teams to assess requirements, estimate complexity, and translate business needs into clear user stories and acceptance criteria.
Design end-to-end solutions using Certinia capabilities, leading fit-gap analysis and advising on functionality, costs, and risks.
Define and oversee custom architectures including API and data integrations, guiding development and troubleshooting to ensure high-quality delivery.
Serve as the subject-matter expert on Certinia applications for Finance, monitoring performance, troubleshooting, and implementing system enhancements.
Act as liaison between stakeholders, driving continuous improvement, spearheading UAT and change management, and fostering adoption through training and documentation.
Provide advanced technical support and maintain comprehensive documentation while ensuring compliance with IT controls and security policies.
What you need to have:
Degree in Computer Science or a related field.
3-4 years of experience with Certinia PSA or Accounting (ERP) solutions.
Proven expertise in accounting processes including Time Entry, Revenue Recognition, WIP, and backlog reporting.
Full professional proficiency in written and spoken English.
Experience partnering with business stakeholders and delivering technical solutions in Agile (Scrum/SAFe) environments.
Familiarity with project management and delivery tools such as ServiceNow, Jira, or Azure DevOps.
What makes you stand out:
Deep knowledge of Certinia ERP/PSA modules including project accounting, resource management, financials, time/expense, billing, multi-currency, and project economics.
Strong analytical, diagnostic, and troubleshooting skills with high attention to detail and organization.
Ability to communicate complex technical concepts clearly to non-technical stakeholders.
Collaborative team player with experience coaching or mentoring admin or analyst teams and working with external partners/vendors.
Proactive, self-motivated, accountable, and able to manage multiple priorities effectively.
Neutral, solution-oriented technical mindset focused on business outcomes rather than vendor or platform preference
Why join our team:
We help you be your best through professional development opportunities, interesting work and supportive leaders.
We foster a vibrant and inclusive culture where you can work with talented colleagues to create new solutions and have impact for colleagues, clients and communities.
Our scale enables us to provide a range of career opportunities, as well as benefits and rewards to enhance your well-being.
Skills Required
- Bachelor's degree in Computer Science, Accounting, Finance, or related field
- 8+ years of experience with Salesforce administration and Certinia deployment
- Certinia PSA Consultant certification
- Strong understanding of PSA processes and their financial impact
- Experience in Agile environments and project management tools
- Excellent communication skills in English
Marsh McLennan Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Marsh McLennan and has not been reviewed or approved by Marsh McLennan.
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Leave & Time Off Breadth — Leave offerings are described as generous, including sizable PTO, paid holidays, paid sick days, and additional time off such as paid volunteer time and “Summer days.” These time-off benefits are portrayed as a standout part of the overall rewards package.
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Healthcare Strength — Healthcare coverage is characterized as comprehensive, spanning medical, dental, and vision options, with additional supports like disability and life insurance and access to mental health resources and an EAP. The breadth of plan options is positioned as a core strength of the benefits package.
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Retirement Support — Retirement benefits are framed as solid, with 401(k) programs and employer matching frequently highlighted alongside other financial programs. Stock purchase options are also referenced as an additional wealth-building component of the total rewards mix.
Marsh McLennan Insights
What We Do
Marsh McLennan (NYSE: MMC) brings together nearly 78,000 experts in risk, strategy, and people across Marsh, Guy Carpenter, Mercer, and Oliver Wyman, serving clients in over 130 countries. Marsh enables enterprise worldwide by helping clients manage risks, transforming uncertainty into opportunity. Guy Carpenter helps clients grow profitably with reinsurance broking expertise, advisory services, and advanced analytics. Mercer helps organizations advance the health, wealth, and careers of their most vital asset — their people. Oliver Wyman’s expertise in strategy, operations, risk, and organization transformation changes what is possible for our clients, their industries, and society. Together, we combine a unique range of capabilities to help our clients solve problems, seize opportunities, and build lasting success in increasingly complex operating environments.








