Specialist - Financial Management

JLL; Warszawa; Hybrid; PLN 140,000 - 210,000; Full time

Benefits offered by this job

Permanent contract

Private healthcare

Cafeteria system

Life insurance

Employee assistance program

Job summary

JLL is seeking an experienced SME to lead CoStar migration and Portfolio OS initiatives within the Accelerate AI framework. The role focuses on seamless database migration and automating lease administration processes across the EMEA region.

You will oversee data validation, develop SOPs, and deliver training while collaborating across regions to ensure alignment with JLL policies and procedures. The position requires strong analytics, UAT experience, and effective communication.

Qualifications

• Expert-level knowledge of lease administration processes, including invoicing and compliance in EMEA context.
• Hands-on proficiency with Pega and CoStar/Portfolio systems and migration experience.
• Strong ability to validate data, identify discrepancies, and document process improvements.
• Experience in UAT, test-case development, and validating system functionality in migration environments.
• Understanding of AI/automation concepts as applied to lease administration workflows.

Responsibilities

• Lead CoStar migration as SME and guide Lease Administration teams through system transitions.
• Design and deliver training materials for CoStar functionality across EMEA.
• Oversee data validation during migration and resolve discrepancies.
• Create SOPs and process maps for standard and specialized accounts.
• Develop comprehensive test cases across Pega, CoStar, and Portfolio UAT environments.

Skills

Lease administration

Pega

Portfolio/CoStar systems

Data analysis

UAT

Automation

Communication

Cross-regional collaboration

Tools

Pega

CoStar

Portfolio OS

Data extraction

Job description

Position Overview

The CoStar Migration & Portfolio OS Specialist will serve as a dual-role Subject Matter Expert (SME) supporting both the CoStar migration initiative and the Portfolio OS project within the Accelerate AI framework. This position combines critical system transition leadership with AI-driven process automation expertise, focusing on seamless database migration and the automation of lease administration standard processes.

What You'll Do

• Lead CoStar migration efforts by serving as the primary Subject Matter Expert, guiding Lease Administration teams through system transition and providing hands-on support throughout the migration lifecycle
• Design and deliver targeted training programs, including account-specific materials, to upskill teams on CoStar functionality and ensure smooth adoption across EMEA regions
• Oversee data validation and integrity checks during migration, working closely with teams to verify accuracy and resolve discrepancies between legacy and new systems
• Develop comprehensive process maps and standard operating procedures for both standard and specialized accounts, documenting workflows and identifying process improvement opportunities
• Create and execute detailed test cases across Pega, CoStar, and Portfolio UAT environments, performing complete invoice abstraction and variance reporting cycles to train AI agents
• Extract, analyze, and interpret large datasets from multiple systems (Pega, CoStar, Prohance) to provide actionable insights, identify trends, and support data-driven decision-making
• Participate actively in cross-regional collaboration through regular calls and MS Teams communication, clearly articulating lease administration workflows and system-specific requirements
• Drive continuous improvement initiatives by proposing system enhancements, updating process manuals, and ensuring alignment with JLL Global Policies and Procedures

What We're Looking For

• Expert-level knowledge of standard lease administration processes with particular understanding of EMEA-specific invoice tracking, billing cycles, and compliance requirements
• Proven proficiency with Pega and Portfolio/CoStar systems, with hands-on experience navigating system transitions and managing parallel operations
• Exceptional attention to detail with a keen ability to identify data discrepancies, process gaps, and opportunities for operational efficiency
• Strong analytical capabilities to work with large, complex datasets and translate findings into clear recommendations and actionable insights
• Demonstrated experience in user acceptance testing (UAT), test case development, and validating system functionality in migration environments
• Understanding of AI and automation principles, particularly as they apply to lease administration and invoice processing workflows
• Outstanding communication skills with the ability to explain technical concepts and complex processes to diverse audiences across multiple regions and seniority levels
• Highly organized and collaborative working style with proven ability to manage multiple concurrent workstreams, prioritize effectively, and work seamlessly across cross-functional teams

What You Can Expect From Us

Competitive Rewards & Benefits

Permanent contract, private healthcare, cafeteria system, life insurance, and employee assistance program.

Flexible Work Environment

Hybrid model in premium Warsaw Spire workspace with state-of-the-art facilities and metro access.

Career Development & Growth

Robust development opportunities with 80% employee participation in structured programs, AI upskilling, and professional training.

Stability & Recognition

78% employee recommendation rate, recognized for 18 consecutive years as one of the World's Most Ethical Companies.

Inclusive & Supportive Culture

Strong commitment to Diversity, Equity & Inclusion across multiple employee resource groups and initiatives.

Global Perspective

60 nationalities and 40 languages represented, offering rich cultural exchange and collaboration opportunities.