Who is OS National LLC.? 
OS National LLC is a Title and Escrow company that focuses on providing boutique service on a national platform. Our delivery solutions include a full complement of origination and default services directed at leading national mortgage originators and servicers. We offer a centralized, single point of contact which creates efficiency throughout our process and reduces operating costs for everyone involved. We are part of the Opendoor family, revolutionizing the home buying experience.  

OS National is a place where you can begin your career AND expand your professional development. We appreciate different points of view and understand that appreciation leads to innovation. We want to partner with you to grow your career because we understand that our business benefits when your career expands and blossoms.  

WE BELIEVE IN: Kindness. Appreciation. Growth. Respect. 

Position Summary

The Due Diligence reviewer supports the Opendoor Acquisition line of work by reviewing transaction documents for completeness and accuracy, coordinating with Escrow and Title partners, and helping ensure files are clear and packaged for financing.

This role is intended to provide dedicated Due Diligence support initially and may flex based on team needs and business priorities.

Essential Responsibilities

• Review acquisition files and due diligence documents for completeness, accuracy, and consistency throughout the closing process for OSN and third party title closings.
• Validate key transaction details across documents, including parties, property information, purchase price, legal description, and correct entity.
• Complete pre-close and day-of-close reviews to identify issues and drive timely correction.
• Pull, organize, upload, and maintain required documents, checklists, and supporting files in designated systems.
• Partner with Title, Escrow, and other internal and external teams to resolve exceptions and keep files moving toward closing and funding.
• Escalate outstanding issues and support lender funding preparation and file certification

Knowledge, Skills, and Qualifications

• Experience reviewing real estate, title, escrow, or closing documents in a high-volume operational environment.
• Working knowledge of acquisition transactions, title commitments, deeds, settlement statements, and closing document packages.
• Strong attention to detail with the ability to identify inconsistencies across multiple documents and systems.
• Ability to prioritize same-day work, manage deadlines, and follow through on open issues.
• Strong written and verbal communication skills with the ability to work cross-functionally with internal and external partners.
• Comfortable learning and using new technology, workflow systems, and AI-enabled tools to improve efficiency and support day to day operations. 
• Ability to learn and apply SOPs, job aids, and checklist-based review processes.

Preferred Qualifications

• Experience supporting in real estate, title, escrow, or mortgage transaction-based operations.
• Experience supporting lender funding, post-closing or other quality control functions.
• Experience with Google Sheets, Outlook, and Slack

Success Measures

• Reviews are completed accurately and on time.
• Files are clearly documented, properly labeled, and ready for downstream review and funding.
• Issues are identified early and escalated with clear follow-up.
• Cross-functional partners receive timely, professional communication and support.
• The role contributes to reducing document defects, funding delays, and avoidable rework.
• Demonstrates flexibility through cross-training and supports additional teams as business needs evolve.

Reporting Structure

This role reports into Due Diligence leadership and partners closely with Escrow, Title, and external diligence reviewers as part of the Opendoor acquisition process.