Senior Tax Associate

About Atrium:

Client Overview:

Our client is a fast-growing international business solutions firm that specializes in supporting globally-owned companies expanding into the U.S. market. They provide expert tax, accounting, and advisory services. The organization is known for its collaborative culture, global perspective, and commitment to delivering high-value strategic guidance beyond standard compliance. They are now looking for a Senior Tax Associate.

Salary/Hourly Rate:

$100k – $120k

Position Overview:

We are seeking a highly strategic and technically strong Senior Tax Associate (CPA) to elevate the tax function beyond compliance. You will serve as a key technical authority, working closely with international clients and internal teams to deliver sophisticated tax strategies, ensure compliance, and support business decision-making. This is a high-impact role with visibility across the organization.

Responsibilities of the Senior Tax Associate:

• Serve as a senior technical expert on complex tax matters.
• Develop tax-efficient structures, particularly for foreign-owned U.S. entities.
• Perform tax projections and scenario modeling to guide client decisions.
• Prepare and review complex federal and state tax returns for individuals, C-Corps, S-Corps, partnerships, trusts, and estates.
• Ensure accuracy, completeness, and compliance across all filings.
• Advise foreign-owned entities and non-U.S. residents on U.S. tax implications.
• Manage filings including Forms 5472, 1120, and 1120-F.
• Support cross-border tax structuring and compliance.
• Conduct in-depth research on evolving tax laws (SALT, nexus, international taxation).
• Ensure adherence to federal, state, and local regulations.
• Act as a primary point of contact for key clients.
• Build strong, long-term advisory relationships.
• Mentor junior team members and review their work.
• Identify opportunities to improve tax processes, workflows, and systems.

Required Experience/Skills for the Senior Tax Associate:

• Active CPA license is required.
• 5–7+ years of experience in public accounting or tax advisory.
• Strong experience handling complex tax scenarios and client advisory.
• Advanced Excel skills (Pivot Tables, VLOOKUPs, etc.).
• Strong knowledge of U.S. tax regulations and GAAP-to-tax reconciliations.
• Excellent analytical, communication, and problem-solving skills.
• Ability to work independently and manage multiple deadlines in a fast-paced environment.

Preferred Experience/Skills for the Senior Tax Associate:

• Experience with foreign-owned U.S. entities and international reporting (Forms 5471, 5472, etc.).
• Knowledge of State and Local Tax (SALT) and R&D tax credits.
• Experience with non-resident taxation.
• Multilingual abilities (Portuguese or Spanish preferred).

Education Requirements:

• Bachelor’s degree in Accounting or Finance and active CPA license are required.

Benefits:

• Quarterly performance bonus.
• Monthly stipend toward health insurance.
• Monthly professional development allowance.
• Paid Time Off.
• Hybrid work flexibility.

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As a woman-owned firm, we value diversity. We are an equal opportunity and affirmative action employer and will consider all applications without regard to race, sex (including gender, pregnancy, sexual orientation and gender identity), age, color, religion or creed, national origin or ancestry, veteran status, disability (physical or mental), genetic information, citizenship or any other characteristic protected by law. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Candidates who apply for roles through the Atrium website will be added to our candidate pool and may be considered for additional roles of a similar title. Please contact us to request an accommodation.
EOE/M/F/D/V/SO