Join the LLR family of private equity-backed growth companies.

At 3Si, our mission is to make your world, safer. As a global leader in innovative security technology, we help businesses and law enforcement prevent and respond to crime through field-proven solutions and trusted partnerships. With over 100+ years of combined experience through our merged companies, our expertise drives measurable impact in communities worldwide.

We specialize in GPS tracking, video surveillance, and integrated response technologies that deter theft and accelerate criminal apprehension. Designed for retail, financial institutions, law enforcement, and more, our solutions combine cutting-edge tools with unmatched response capabilities. Through our exclusive DirectToDispatch™ technology, verified crime alerts are sent directly to law enforcement dispatch centers in real time—bypassing traditional third-party monitoring delays—to enable rapid, precise response when it matters most.

At 3Si, meaningful work makes a difference. We’re a purpose-driven team that values innovation, trust, and collaboration. From engineering to sales and support, every role contributes to our mission to protect communities and make the world safer. We offer a hybrid, flexible work culture, competitive benefits, and the chance to grow alongside a team of passionate, dedicated professionals.

Join us—and be part of something that matters. The Controller will oversee all aspects of the company’s accounting operations, including financial reporting, compliance, audits, and internal controls. Reporting directly to the CFO, this role is critical in ensuring financial accuracy, maintaining operational discipline, and supporting strategic decision-making. This is a highly visible, hands-on leadership position suited for a detail-oriented accounting professional who thrives in a fast-paced, scaling environment.

• Lead all accounting operations, including general ledger, accounts payable/receivable, payroll, and revenue recognition.
• Ensure timely and accurate monthly, quarterly, and annual financial closings.
• Maintain and enhance internal controls, accounting policies, and compliance with GAAP and regulatory requirements.
• Lead preparation of audited financial statements and coordinate with external auditors.
• Partner with FP&A on budgeting, forecasting, and variance analysis.
• Oversee tax filings, regulatory reporting, and liaise with external tax advisors.
• Drive accounting automation and efficiency improvements through systems, tools, and process enhancements. Implement and maintain accounting systems and tools to increase efficiency and automation.
• Support due diligence and integration activities for fundraising, M&A, and strategic initiatives.
• Develop, mentor, and scale the accounting team to support company growth.

Knowledge, Skills, and Abilities

• Deep understanding of U.S. GAAP, accounting operations, and internal controls.
• Strong knowledge of revenue recognition (ASC 606), especially in SaaS or subscription-based models.
• Experience with ERP systems (e.g., NetSuite, Sage Intacct) and accounting automation tools.
• Detail-oriented with strong analytical and problem-solving skills.
• Ability to operate effectively in a high-growth, fast-paced environment.
• Strong leadership, communication, and cross-functional collaboration skills.

Qualifications

• Bachelor’s degree in accounting, Finance, or related field; CPA or MBA preferred.
• 8+ years of progressive accounting experience, with at least 4+ years in a leadership role.
• Experience in a high-growth tech, SaaS, or security company strongly preferred.