Senior People Operations Specialist

Mercury

Senior People Operations Specialist at Mercury enhancing employee experiences and maintaining HR operational excellence. Engaging in Workday management and cross-functional collaboration.

Posted 6/9/2026full-timeRemote • California, New York, Oregon • 🇺🇸 United StatesSenior💰 $138,800 - $192,800 per yearWebsite

About the role

Key responsibilities & impact

Serve as the first point of contact for employee and manager inquiries related to People programs, policies, processes, and Workday transactions.
Provide timely and accurate support for employee lifecycle events including hires, transfers, promotions, compensation changes, leaves of absence, and terminations.
Partner with cross-functional teams to ensure a seamless employee experience across all People Operations processes.
Identify opportunities to improve service delivery, streamline workflows, and enhance operational efficiency.
Perform regular audits and data quality reviews to ensure data integrity across Workday and connected systems.
Partner with HR, Payroll, Benefits, managers, and employees to administer and troubleshoot issues related to leave administration, performance reviews, benefits enrollment, and other People initiatives.
Maintain organizational structures including supervisory organizations, positions, job profiles, cost centers, and related configurations.
Support Workday security administration, including role assignments, security reviews, and user access maintenance.
Execute and validate mass data updates using Enterprise Interface Builder (EIB) and other Workday tools.
Troubleshoot Workday issues and partner with HRIS, Payroll, Benefits, and IT teams to resolve system and process concerns.
Conduct testing for Workday releases, enhancements, business process updates, and system changes.
Maintain accurate employee records and ensure compliance with company policies and applicable employment regulations.
Develop and maintain process documentation, standard operating procedures, and knowledge articles.

Requirements

What you’ll need

Bachelor's degree in Human Resources, Information Systems, Business Administration, Finance, or related field (or equivalent experience)
4+ years of People Operations, HR Operations, HRIS, or related experience.
2+ years of hands-on Workday experience.
Experience working in complex organizations with multiple business units, local and international employee populations
Experience processing employee transactions and maintaining employee data in Workday.
Experience performing EIB data loads and mass data updates.
Strong analytical, troubleshooting, and problem-solving skills. Knowledge of Workday business processes and employee lifecycle management.
Excellent attention to detail and organizational skills.
Strong customer service and communication skills.

Benefits

Comp & perks

base salary
equity (stock options)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

WorkdayEnterprise Interface Builder (EIB)data integrityemployee lifecycle managementdata updatesauditsprocess documentationsystem testingHRIS

Soft Skills

analytical skillstroubleshootingproblem-solvingattention to detailorganizational skillscustomer servicecommunication skills