Tax Support Specialist

merceradvisors

Newport Beach

Posted Apr 24, 2026

Other
Hybrid
Wealth Solutions - Tax

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Job description

Why Work at Mercer Advisors?

For more than 40 years, Mercer Advisors has been helping families amplify and simplify their financial lives by integrating financial planning, investment management, business management, tax, estate, insurance, and more, all managed by a single team. We deliver the kind of comprehensive care once reserved for only the wealthiest households.

Today, we serve over 42,800+ families across 110+ cities across the U.S. Ranked the #1 RIA Firm in the nation by Barron’s for two consecutive years, Mercer Advisors is an independent fiduciary legally bound to act in our clients’ best interests — always.*

Mercer Advisors offers a workplace that stands apart in the financial industry. More than half of our employees and client-facing professionals are women, reflecting the clients we serve. With a flexible, national footprint, we build our teams around exceptional talent — wherever they are.

Join us and help families amplify and simplify their financial lives with confidence.

* Mercer Advisors was ranked #1 for RIA firms with up to $70 billion in assets. The Barron’s top RIA ranking is based on a combination of metrics – including size, growth, service quality, technology, succession planning and others. No fee was paid for participation in the ranking, however, Mercer Advisors has paid a fee to Barron’s to use the ranking in marketing. Please see important information about the ranking criteria methodology here.

Job Summary:

As part of our holistic wealth management, Mercer Advisors’ in-house Income Tax team provides tax planning and preparation services to our HNW and UNHW clientele, including the completion of complex individual, small business, gift and trust income tax returns. The Tax Support Specialist will be a critical team member in support of the tax practitioner team ensuring the tax team delivers an exceptional client experience. This role requires flexibility, excellent verbal and written communication skills, attention to detail, and a willingness to help the team succeed. The Tax Support Specialist is resourceful, proactive and efficient while maintaining an approachable and professional presence to both internal teams and clients.

Essential Job Functions will include:

Go-to for client facing and non-client facing administrative tasks related to tax, including maintaining client tax documents, assist staff with workflow, assembling tax returns and electronic filing of returns.
Comfortable using various reports to assist with managing workflow and monitoring data integrity.
Provide ongoing insight and suggestions for process improvement.
Work closely with the tax practitioner team and Manager, Tax Operations to ensure timely correspondence with internal teams and clients.
Communicate with clients in a timely and professional manner, ensuring a high-quality client experience.
Handle client invoicing for services provided.
Shipping, scanning and assembling tax returns, and other client related documents.
Assist with off-peak tax season projects to optimize team performance and the client experience.
Other general administrative duties as needed.

Required Knowledge, Skills, and Abilities:

High school diploma required; bachelor’s degree preferred
1+ years’ experience in an administrative or assistant role
Experience or willingness to work with dynamic professionals
Outstanding work ethic with a self-starter attitude, ability to perform under pressure, meet deadlines, prioritize and deliver multiple tasks on time
Outstanding communication and organizational skills.
Proficiency with MS Word, Excel, PowerPoint and Outlook
Excellent customer service skills
Able to maintain confidentiality with all matters
Have a “can-do” positive attitude and enjoy being part of a team
Ability to prioritize and multi-task in a busy environment
Eager to become an expert in the position

Work Schedule: This professional role requires availability during standard business hours of Monday through Friday from 8AM to 5PM, and Saturdays as needed during tax season. At times, the role may have early or late hours to meet business tasks and deadlines for external and internal client needs.

Working Conditions: This position may be in a professional office environment or a dedicated home office workspace which is free of interruptions. Whether position is in a dedicated office space or home office workspace, basic technology needs will be provided to satisfy position requirements. Routinely sitting and standing for periods of time. No heavy lifting over 10 lbs.

#LI-Hybrid

Actual base pay within this range will be based on a variety of factors, including but not limited to the applicant’s geographic location, relevant experience, education, skills and licenses/certifications. This position is also eligible to earn incentive compensation through one of Mercer Advisors’ incentive compensation programs.

Base Pay Range

$31—$36 USD

Benefits:

Mercer Advisors offers a competitive and robust benefit package to our employees. Our benefit programs are focused on meeting all of our employees and their eligible dependents health and welfare needs. We offer the following:

Company Paid Basic Life & AD&D Insurance
Company Paid Short-Term and Long-Term Disability Insurance
Supplemental Life & AD&D; Short-Term Disability; Accident; Critical Illness; and Hospital Indemnity Insurance
Three Cigna medical plans offerings including two High Deductible Health Plans and a Traditional Co-Pay medical plan.
Kaiser Medical plans available in California
Health Savings Account (HSA) with company contributions if enrolled in either HDHP medical plan.
Two comprehensive Dental Plans
Vision Insurance Plan
Dependent Care Savings Account for child and dependent care.
14 Company Paid Holidays including a full week off at Thanksgiving.
Generous paid time off program for vacation and sick days
Employee Assistance Plan
Family Medical Leave
Paid Parental Leave (8 weeks)
Maternity benefits utilizing company paid STD, any supplemental STD, plus Parental Leave (8 weeks) to provide time for recovery, baby bonding, and enjoying your family time.
Adoption Assistance Reimbursement Program
Company Paid Concierge Services for you and your loved ones for the spectrum of caring needs for your aging parents, young children, life’s challenges and more.
401(k) Retirement Plan with both Traditional and Roth plans with per pay period match as well as an after-tax option
Pet Insurance
Personalized financial planning and guidance from Mercer Advisors professionals, offered at preferred employee pricing

We are not accepting unsolicited resumes from agencies and/or search firms for this job posting.

Mercer Advisors is an equal opportunity employer and does not discriminate on the basis of any characteristic protected by applicable federal, state, or local law. Mercer Advisors participates in E-Verify and complies with federal employment eligibility verification requirements.

If you need an accommodation during the application or hiring process, please email PeopleTeam@merceradvisors.com. This inbox is for accommodation requests only.

For information about applicant rights, required employment notices, E-Verify participation, and state specific disclosures, please review our Applicant Notices and Employment Rights.

If you are a resident of California, learn more about Mercer's California Consumer Privacy Policy here.
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If you are a resident of Washington State, learn more about your rights under the Washington Fair Chance Act here.