Workday Extension, Lead Consultant

Marsh McLennan • Tampa, FL

2d

About The Position

We are seeking a talented individual to join our Digital Solutions team at Mercer, a Marsh business. This role will be based in either the US or Canada. As part of Mercer, the world’s largest HR consulting firm, our Digital Solutions practice is a certified Workday implementation partner and the digital consulting arm of Mercer. Digital Solutions specializes in business and cloud consulting and is dedicated to transforming our clients' businesses. We leverage expertise in big data, cloud computing, and enterprise services and design to provide our customers with full-lifecycle solutions. Our Workday practice consists of specialists with deep expertise in Human Capital Management, Payroll, Finance, process improvement, historical data conversion, and cloud software integrations.

Requirements

• 5+ years of Workday platform experience (experience at a Workday partner preferred).
• 3+ years as a lead consultant designing or delivering Workday Extend / Built on Workday applications.
• Workday Extend certification (required).
• Strong knowledge of Workday architecture, data model, security framework, and integration points with core modules.

Nice To Haves

• Additional Workday functional certifications (HCM, Payroll, Recruiting, Talent, Prism) that demonstrate cross-functional depth and the ability to design integrated Extend solutions.
• Proven expertise with Workday integration protocols (Graph, REST, SOAP) to architect secure, high-performance integrations and troubleshoot complex API-driven workflows.
• Hands-on experience with the Built on Workday deployment lifecycle, including packaging, certification, and production rollout.

Responsibilities

• Architect, develop, and deploy applications on the Workday Extend framework, ensuring adherence to Workday best practices while maintaining robust security controls and data integrity.
• Collaborate with clients and internal teams to analyze requirements and design scalable solutions that directly address business problems.
• Build and customize Workday applications, workflows, and user interfaces that integrate seamlessly with core Workday modules, including Prism, to deliver a cohesive user experience.
• Maintain accurate project forecasts, monitor delivery progress, and communicate timelines, risks, and expectations to stakeholders in a timely manner.
• Serve as the Workday Extend subject-matter expert for sales and delivery—supporting solution design, demonstrations, client presentations, and scoping/pricing estimates.

Benefits

• 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.
• health and welfare benefits
• tuition assistance
• 401K savings and other retirement programs
• employee assistance programs

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 5,001-10,000 employees