Controller

SpiderRock Platform Services is looking for a Controller to join our accounting/finance team in SpiderRock's Chicago office. This role is a key financial leader responsible for overseeing all accounting operations, financial reporting, compliance, and internal controls across SpiderRock's global entities. The Controller ensures the accuracy, timeliness, and integrity of financial data in a high-regulation environment, and partners closely with senior leadership to support strategic growth and operational scale. The role is designed as a succession plan for the current Controller. The successful candidate will assume full ownership of Controller responsibilities over time, building deep institutional knowledge, while driving process improvements, establishing scalable accounting infrastructure, and developing the team. This role is an exempt full-time position and will report to the Head of Finance & Accounting. WHAT YOU WILL DO Financial Reporting & Accounting Operations Own full-cycle accounting operations including general ledger, account reconciliations, journal entries, variance analysis, and financial statement preparation across all entities. Prepare GAAP‑compliant financial statements and management reports on a monthly, quarterly, and annual basis. Establish and own a structured, documented close process — including EXS and all international subsidiaries (UK, Netherlands) — with defined timelines, checklists, and delegation frameworks. Own and manage intercompany accounting, eliminations, and consolidated financial reporting across the full entity structure. Ensure accurate revenue recognition in accordance with ASC 606. Oversee daily cash management activities across multiple bank accounts and subsidiaries, including monitoring balances, liquidity, and cash movements. Provide accounting oversight and support for billing activities across non‑EXS entities, ensuring invoices are accurate and issued in compliance with contractual terms. Oversee payroll accounting across U.S. and international entities, coordinating with HR and external payroll providers. Multi‑Currency & International Accounting Manage foreign currency translation, revaluation, and cumulative translation adjustment (CTA) across multiple functional currencies (USD, GBP, EUR). Coordinate with international accounting managers and external advisors to ensure subsidiary books are maintained accurately and in compliance with local requirements. Interface with external tax advisors on multi‑jurisdiction matters including provisions, transfer pricing basics, and VAT/GST compliance across UK and Netherlands entities. Regulatory & Compliance Oversee accounting processes related to FINRA and NFA regulatory reporting, including supporting the FinOp with FOCUS filings, net capital computations, and financial responsibility rules. Establish and maintain strong internal controls across all financial operations; lead formalization and documentation of the controls framework. Serve as the primary contact for external audits across all entities; build and maintain audit‑ready close packages and workpapers. Support compliance related to SOC 2, FINRA reporting dependencies, vendor audits, and net capital requirements. Financial Systems, Technology & Process Improvement Optimize and maintain NetSuite as the primary accounting system; drive automation, cross‑system data integrity, and reporting efficiency. Critically evaluate current‑state accounting workflows; identify inefficiencies and redesign for scalability while maintaining accuracy. Ensure financial data accuracy across systems including CRM, billing platforms, and forecasting tools. Team Leadership & Cross‑Functional Collaboration Manage and mentor a growing accounting team (2‑5 staff), building technical skills and a culture of continuous improvement. Establish clear roles, responsibilities, processes, and delegation frameworks so the team has documented standards to operate against. Serve as a strong cross‑functional partner with executives, legal, operations, technology, HR, and external regulators and auditors. WHAT WE ARE LOOKING FOR Bachelor's degree in Accounting, Finance, or a related field. 6‑8+ years of progressive accounting experience, with at least 2 years in a leadership role. CPA required; CMA considered. Prior Big 4 or public accounting experience strongly preferred. Experience in a SaaS, FinTech, or financial services/market technology environment preferred. NetSuite experience preferred. Prior experience managing accounting across multiple international entities preferred. Must obtain the SIE and Series 99 exam within 3 months of start date (licensing sponsored by SpiderRock). Strong command of GAAP; ability to independently research, interpret, and apply complex accounting guidance. Proven experience managing a full‑cycle, multi‑entity close process with documented standards and team accountability. Experience with intercompany accounting, eliminations, and consolidated financial reporting across multiple legal entities and jurisdictions. Working knowledge of multi‑currency accounting including foreign currency translation, revaluation, and CTA. Experience with FINRA/NFA regulatory accounting, including familiarity with FOCUS filings and net capital requirements. Hands‑on expertise with NetSuite or similar ERP system; ability to drive optimization, automation, and cross‑system integrity. Experience building and owning internal controls documentation and audit‑ready close packages. Strategic mindset with the ability to focus on technical detail and evaluate broader operational and financial impact. Exceptional leadership, organizational, and communication skills; ability to hold a team accountable while developing talent. High attention to detail, sound judgment, and integrity in handling confidential financial information. Comfortable working in fast‑paced, high‑growth environments; adept at building structure where little exists. WHAT TO EXPECT Highly competitive pay, benefits and bonus structure Health insurance (medical, dental, vision) Voluntary ancillary plans (Life & AD&D, Short‑Term Disability, Long‑Term Disability, Critical Accident and Critical Illness) Discounted pet insurance Progressive time off benefits (unlimited PTO, maternity leave, paternal leave) Wellness programs Zen Den for meditation, naps, nursing, or just to decompress Work with high‑caliber and innovative professionals Access to unlimited snacks and beverages in our lounge area Monthly, Quarterly, and Semi‑Annual company‑sponsored events 401K Safe Harbor Plan and Match Onsite gym membership Divvy bike access A fun and collaborative environment SpiderRock is an Equal Opportunity Employer #J-18808-Ljbffr