Trading & Cost Subject Matter Expert

About the Role

As a Trading & Cost Basis Subject Matter Expert 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.

Hybrid employee. Three (3) or more days each week required on site at one of the listed office locations. Candidates must be within commutable distance. Internal candidates aligned to an Orion office may be given preference; however, other arrangements may be considered based on experience and business needs. Work location may change based on business needs.

• 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.

• Bachelor’s degree in Finance, Accounting, Business Administration, or related field (preferred).
• Minimum of two (2) years of significant financial industry experience (required).
• Prior experience in cost basis, tax lot reconciliation, or accounting operations (preferred).
• Demonstrated expert‑level knowledge may substitute for years of experience.
• Experience leading audit reviews or UAT cycles (preferred).
• Prior mentorship or training responsibilities (preferred).
• Familiarity with Orion platform and custodian coordination processes (preferred).
• Expert knowledge of cost basis methodology including all gain/loss methods (FIFO, LIFO, specific identification, average cost), tax lot management, and wash sale rules.
• Expert understanding of corporate actions and their cascading impact on tax lot accuracy and cost basis reporting.
• Ability to resolve high‑complexity, multi‑system cost basis discrepancies with sound analytical judgment.
• Deep understanding of IRS cost basis reporting requirements and financial industry regulatory standards.
• Ability to 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.

• Accounting, Accounting Operations, Audit Reviews, Corporate Actions, Cost Accounting, Cost Analysis, Cost Basis Reporting, Cost Reconciliation, Electronic Trading Platforms, Finance, Finance Industry, Financial Calculators, Financial Services, LIFO, Regulatory Risk, Taxes, Tax Reconciliation

Salary Range: $23.57 - $34.20. The pay listed in this posting indicates the estimated pay at the time of this posting; however, it may vary depending on geographic location, job‑related knowledge, skills, and experience. Orion offers a competitive benefits package that includes health, dental, vision, and disability coverage on day one, a 401(k) plan with employer match, paid parental leave, pet benefits (including pawternity leave and pet insurance), student loan repayment, and more.