Trading & Cost Basis Client Support Specialist

About this Opportunity:

As a Trading & Cost Basis Client Support Specialist you will serve as the expert-level resource within the cost basis function, responsible for resolving the highest-complexity issues, leading audit and testing initiatives, and driving process and documentation improvements. This role partners cross-functionally with Product, IT, and Operations teams, serves as the subject-matter expert for internal partners across the firm, and provides mentorship and knowledge transfer to Client Support Specialists — Cost Basis. The Senior Client Support Specialist — Cost Basis sets the quality standard for the cost basis function and is accountable for ensuring the team has the tools, knowledge, and processes needed to operate at a high level. As we continue to evolve and live our Orion values, we are looking for someone to grow with us.  

Location:

It is anticipated that an incumbent in this role will work as a Hybrid employee, with three (3) or more days each week required on-site at one of the listed office locations.

Candidates should be located within a commutable distance to an office. Internal candidates currently aligned to an Orion office location may be given preference; however, internal candidates with varying work arrangements may be considered based on experience and business needs. Work location is subject to change based on business needs.

In this role, you’ll get to:

• Resolve escalated, high-complexity cost basis issues involving multi-system discrepancies, ambiguous tax lot scenarios, and advanced corporate action impacts

• Lead and execute audit reviews for accuracy, completeness, and regulatory standards

• Own advanced UAT cycles and validate new platform functionality prior to release

• Identify operational risks within the cost basis function and recommend strategic process improvements

• Document advanced procedures and contribute to the refinement of departmental controls and internal standards

• Serve as the subject-matter expert for internal partners including Product, IT, Operations, and leadership

• Mentor and train Client Support Specialists — Cost Basis on advanced topics, complex case handling, and best practices

• Partner with Product and IT teams on enhancement requests, defect documentation, and release validation

• Coordinate with custodians on complex data issues requiring escalated resolution

• Lead or contribute to documentation redesign and workflow optimization initiatives within the cost basis function

We’re looking for talent who:

• Has a Bachelor's degree in Finance, Accounting, Business Administration, Finance, or related field as preferred

• Has a minimum of two (2) years of significant financial industry experience as required

• Has prior experience in cost basis, tax lot reconciliation, or accounting operations as preferred

  • Demonstrated expert-level knowledge may substitute for years of experience

• Has experience leading audit reviews or UAT cycles as preferred

• Has prior mentorship or training responsibilities as preferred

• Has familiarity with Orion platform and custodian coordination processes as preferred

• Has expert knowledge of cost basis methodology including all gain/loss methods (FIFO, LIFO, specific identification, average cost), tax lot management, and wash sale rules

• Has expert understanding of corporate actions and their cascading impact on tax lot accuracy and cost basis reporting

• Can resolve high-complexity, multi-system cost basis discrepancies with sound analytical judgment

• Has deep understanding of IRS cost basis reporting requirements and financial industry regulatory standards

• Can validate new platform functionality against cost basis rules and regulatory expectations during UAT cycles

• Owns and manages relationships with stakeholders directly and works effectively with people at all levels in an organization 

#LI-AP1 

#LI-Onsite 

#LI-Hybrid 

Recommended Skills:

Salary Range:

The pay listed in this posting indicates the estimated pay at the time of this posting; however, may vary depending on geographic location, job-related knowledge, skills, and experience. In addition, Orion offers a competitive benefits package which includes health, dental, vision, and disability coverage on day one, 401(k) plan with employer match, paid parental leave, pet benefits including pawternity leave and pet insurance, student loan repayment and more.

About Us

At Orion, we achieve our best work when we support one another, staying personally accountable to each other and the clients we serve. We create a welcoming environment where everyone is respected, valued, and heard. Our commitment to create raving fans ensures we consistently exceed client expectations. Thinking differently is in our DNA—we innovate always, push boundaries, and reject the status quo to deliver transformative outcomes. Together, we support one another and see it through to success, driving our collective achievements and those of our clients.