Senior Certinia Solutions Specialist

We are seeking a Senior Solutions Specialist with deep functional expertise in Certinia, particularly in Finance and Operations. 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.
Remote work is an option for this role.
Senior 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 preferences.

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.

Marsh McLennan (NYSE: MMC) is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses: Marsh, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue of $24 billion and more than 90,000 colleagues, Marsh McLennan helps build the confidence to thrive through the power of perspective. For more information, visit , or follow on LinkedIn and X.

Marsh McLennan is committed to embracing a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, veteran status (including protected veterans), or any other characteristic protected by applicable law. If you have a need that requires accommodation, please let us know by contacting

The applicable base salary range for this role is $124,200 to $245,200.

The base pay offered will be determined on factors such as experience, skills, training, location, certifications, education, and any applicable minimum wage requirements. Decisions will be determined on a case-by-case basis. In addition to the base salary, this position may be eligible for performance-based incentives.

We are excited to offer a competitive total rewards package which includes health and welfare benefits, tuition assistance, 401K savings and other retirement programs as well as employee assistance programs.

Applications will be accepted until: April 15, 2026

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