Senior Billing Analyst

Arthur J. Gallagher & Co. (AJG); Rolling Meadows (IL); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Medical/dental/vision plans

401(K) and Roth options

Educational expense reimbursement

Job summary

The Arthur J. Gallagher & Co. (AJG) team in Rolling Meadows, Illinois is seeking a skilled Senior Financial Analyst to support billing operations related to acquisitions and Canadian business. This role emphasizes analytical expertise, cross-functional collaboration, and process improvement.

Key responsibilities include advanced billing analysis, maintaining procedures and controls, and supporting financial reporting. Candidates should have a Bachelor's degree, strong Excel skills, and experience in the Insurance Industry would be beneficial. A competitive compensation package, including flexible work hours and extensive benefits, is offered.

Qualifications

• 4 years related experience required.
• Experience in the Insurance Industry is preferred.
• Strong written and verbal communication skills are essential.

Responsibilities

• Act as a billing subject-matter expert for Ancillary & Support processes.
• Perform advanced billing analysis.
• Drive continuous improvement initiatives that enhance efficiency.

Skills

Advanced Excel proficiency

Strong financial management software skills

Critical thinking

Problem-solving skills

Education

Bachelor's degree

Tools

Financial reporting tools

Billing systems

ERP platforms

Job description

How you'll make an impact

We are seeking a highly skilled and motivated individual to join the Gallagher-Bassett (GB) Ancillary & Support Billing team. The Senior Financial Analyst will report to the Manager – Ancillary & Support and play a key role in supporting billing operations related to acquisitions and Canadian business. This role emphasizes analytical support, cross‑functional coordination, and continuous improvement within a growing and evolving billing environment. The Gallagher-Bassett Billing team is responsible for delivering accurate, reliable, and efficient billing solutions that support organizational performance and a strong client experience. The team is structured into three primary areas—Core Standard, Core Non‑Standard, and Ancillary & Support—which together provide comprehensive coverage across routine billing activities, complex and customized billing scenarios, and specialized functions that enable and sustain billing operations.

Success in this role is grounded in close collaboration with key partners, including other Finance teams, Client Services, and IT. Through strong cross‑functional partnerships, thoughtful use of technology, and streamlined processes, the GB Billing team drives operational excellence, scalability, and continuous improvement. This integrated approach supports sustainable growth and ensures consistent, high‑quality outcomes that deliver lasting value to both clients and internal stakeholders.

Responsibilities

• Serve as a billing subject‑matter expert for Ancillary & Support processes, with a primary focus on acquisitions and Canadian billing operations, ensuring accuracy and alignment with organizational standards.
• Perform advanced billing analysis, investigating variances, resolving complex issues, and recommending process improvements to reduce rework and operational risk.
• Collaborate closely with Finance, Client Services, and IT to support billing process and system changes.
• Own and maintain ancillary billing procedures, controls, and documentation, contributing to SOP development.
• Support month‑end and ongoing operational and financial reporting working closely with the Revenue Accounting and A/R teams.
• Identify and drive continuous improvement initiatives that enhance efficiency, scalability, and service quality, leveraging automation and standardized processes where possible.

Required Qualifications

• Bachelor's degree and 4 years related experience required.
• Strong Excel and financial management software skills are essential.

Preferred Qualifications

• 3-5 years related experience.
• Advanced Excel proficiency, including strong working knowledge of formulas, pivot tables, lookups, data validation, and reconciliation techniques and the ability to compile and analyze complex data.
• Experience in the Insurance Industry and/or with Third Party Service Administrators.
• Project management experience.
• Experience working with billing systems, financial reporting tools, or ERP platforms, with the ability to adapt quickly to new systems and processes.
• Strong critical thinking and problem‑solving skills, with the ability to evaluate complex billing scenarios, identify root causes, and recommend practical, scalable solutions.
• Strong written and verbal communication skills, including the ability to document processes, explain complex issues, and contribute to clear SOPs and reporting.
• High attention to detail and commitment to accuracy, balanced with the ability to meet deadlines in a dynamic, fast‑paced environment.
• Demonstrated ownership mindset and accountability, taking initiative to see work through from analysis to resolution.
• Commitment to continuous improvement, with openness to change, learning, and process optimization.

Compensation and benefits

We offer a competitive and comprehensive compensation package. The base salary range represents the anticipated low end and high end of the range for this position. The actual compensation will be influenced by a wide range of factors including, but not limited to previous experience, education, pay market/geography, complexity or scope, specialized skill set, lines of business/practice area, supply/demand, and scheduled hours. On top of a competitive salary, great teams and exciting career opportunities, we also offer a wide range of benefits.

Below are the minimum core benefits you’ll get, depending on your job level these benefits may improve:

• Medical/dental/vision plans, which start from day one!
• Life and accident insurance
• 401(K) and Roth options
• Tax-advantaged accounts (HSA, FSA)
• Educational expense reimbursement
• Paid parental leave

Other benefits include:

• Digital mental health services (Talkspace)
• Flexible work hours (availability varies by office and job function)
• Training programs
• Gallagher Thrive program – elevating your health through challenges, workshops and digital fitness programs for your overall wellbeing
• Charitable matching gift program
• And more…

The benefits summary above applies to full‑time positions. If you are not applying for a full‑time position, details about benefits will be provided during the selection process.

We value inclusion and diversity

Gallagher embraces our employees’ diverse identities, experiences and talents, allowing us to better serve our clients and communities. We see inclusion as a conscious commitment and diversity as a vital strength. By embracing diversity in all its forms, we live out The Gallagher Way to its fullest.

Equal Employment Opportunity

Gallagher believes that all persons are entitled to equal employment opportunity and prohibits any form of discrimination by its managers, employees, vendors or customers based on race, color, religion, creed, gender (including pregnancy status), sexual orientation, gender identity (which includes transgender and other gender non‑conforming individuals), gender expression, hair expression, marital status, parental status, age, national origin, ancestry, disability, medical condition, genetic information, veteran or military status, citizenship status, or any other characteristic protected (herein referred to as “protected characteristics”) by applicable federal, state, or local laws.

Equal employment opportunity will be extended in all aspects of the employer-employee relationship, including, but not limited to, recruitment, hiring, training, promotion, transfer, demotion, compensation, benefits, layoff, and termination. In addition, Gallagher will make reasonable accommodations to known physical or mental limitations of an otherwise qualified person with a disability, unless the accommodation would impose an undue hardship on the operation of our business.