Senior Systems Engineer - Finance

Alarm.com•Tysons, VA

1d•$100,000 - $152,000•Hybrid

About The Position

Alarm.com is a rapidly expanding technology company delivering innovative cloud and connected solutions to millions of residential and commercial customers. The Finance IT Systems team is responsible for the design, implementation, and ongoing operation of enterprise finance platforms, billing systems, and related business applications. We are seeking a Senior Finance Systems Engineer to serve as a core member of the Finance IT Systems team. This role will own functional design, development, integration, and support operations across billing and ERP platforms, ensuring reliable, auditable, and scalable financial processes.

Requirements

Strong experience with system integrations using REST APIs, webhooks, and JSON-based data exchange
Experience integrating enterprise systems using middleware platforms such as Azure Logic Apps, Boomi, or Informatica
Proficiency in SQL for data analysis, validation, and reconciliation
Experience with scripting or lightweight automation using Python, JavaScript, or C#
Familiarity with ERP platforms such as Dynamics 365 F&O, NetSuite, or similar solutions
Experience using AI-assisted development, automation, and productivity tools to improve system support, analysis, testing, and operational efficiency.
Experience with BillingPlatform or similar subscription billing systems
Experience supporting ERP implementations such as Dynamics 365 F&O, or NetSuite
Experience in SOX-controlled environments and familiarity with audit requirements
Exposure to SaaS or usage-based billing models
Experience supporting or integrating enterprise applications such as subscription billing, tax engines, financial close solutions, expense management, payment platforms, ecommerce systems, compliance tools, or treasury applications.
5 to 8 years of experience in finance systems, ERP, or systems integration roles
Experience working with Finance or Accounting teams and supporting production systems
Experience troubleshooting integrations and resolving data issues in production environments
Bachelor’s degree or higher education

Responsibilities

Own functional design and system configuration across BillingPlatform, ERP systems, and upstream systems
Act as the primary integration coordinator across systems including BillingPlatform, ERP, and other upstream and downstream platforms
Design, develop, support, and validate integrations, including APIs, webhooks, and middleware-based data flows
Define and maintain data mappings across customers, subscriptions, invoices, and payments to ensure consistency and traceability
Support ERP implementation by participating in design workshops, validating configurations, migrating data, and ensuring integration dependencies are addressed
Own change management and release governance, including coordinating deployments, validating changes, and ensuring proper approvals and documentation
Lead production support model, including ticket triage, prioritization, and ensuring SLA adherence
Troubleshoot system, integration, and data issues and drive root cause resolution across systems
Coordinate testing activities, including defining test scenarios, supporting UAT, and enforcing QA discipline across releases
Maintain audit-ready processes, including documentation, traceability, and controlled data corrections
Ensure system changes support SOX and ITGC requirements, with a focus on preventive and system-based controls
Partner with Finance and IT teams to ensure system design aligns with business requirements and operational needs
Support integrations and operational processes across finance, tax, close, compliance, payments, expense management, ecommerce, and reporting platforms.
Other duties as assigned.