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Tax Support Specialist (Newport Beach, CA)

Newport BeachFull-time$31–$312026-09-09 → 2026-10-08
Hybrid

Core

Administrative support for the in-house Income Tax team, handling document management, return assembly, electronic filing, and client communication for HNW and UNHW clientele.

Role type

Administrative Support Specialist (Tax Operations)

Builds

Assembled and filed tax returns, managed client documents, and supported workflow for the tax practitioner team. (via careerplan.io/jobs/5196141008-tax-support-specialist-newport-beach-ca-at-merceradvisors)

Domain

Financial Services / Tax Administration

Required skills

MS Office proficiency (Word, Excel, PowerPoint, Outlook), document management, electronic filing, client communication, invoicing, data integrity monitoring, process improvement suggestions, confidentiality maintenance, multi-tasking, deadline management

Preferred skills

Bachelor's degree, 1+ years in administrative/assistant role, tax industry experience

Responsibilities

Maintain client tax documents, assemble tax returns, electronically file returns, communicate with clients regarding tax matters, handle client invoicing, manage workflow reports, assist with off-peak tax season projects, perform general administrative duties

Seniority

Entry-level to Junior, hands-on IC