Accounts Payable Supervisor

Landmark is a leading provider of engineering, construction, and asset management services for storage solutions in the water, wastewater, power, and industrial markets. We operate throughout North America and have built our reputation on delivering the most challenging projects with a high degree of efficiency and precision.

Challenging the norm and innovating better methods is core to our approach.

Job Summary

The Accounts Payable Supervisor reports to the Corporate Controller and oversees the daily execution, supervision, and optimization of the Accounts Payable function in a high-volume construction environment. This role focuses on AP team leadership, vendor and subcontractor payment accuracy, compliance coordination, system administration, and process discipline. The Supervisor ensures timely payments, strong internal controls, and effective workflows while maintaining positive vendor relationships and partnering closely with Operations, Project Controls, and Accounting.

Responsibilities and Duties

Essential Functions:

• Establish and monitor AP KPIs (cycle time, invoice aging, exceptions, payment accuracy) and drive continuous process improvement.
• Ensure adherence to company AP policies, approval workflows, and internal controls.
• Oversee vendor and subcontractor payment processing, ensuring required documentation is received before payment (e.g., lien waivers, W-9s, compliance approvals).
• Coordinate with Risk & Insurance and Project teams regarding insurance compliance requirements.
• Review AP aging, resolve discrepancies, and escalate issues as needed to ensure timely and accurate payments.
• Supervise subcontractor pay applications and invoice processing in alignment with contract terms.
• Ensure retainage tracking is accurate and properly reflected in the AP system.
• Partner with Project Management, Project Controls, and Operations to resolve billing discrepancies and documentation gaps.
• Own administration and oversight of AP-related systems and workflows.
• Drive system optimization, automation, and standardization across entities.
• Oversee 1099 vendor setup, tracking, reconciliation, and annual filing coordination.
• Oversee credit card programs and employee expense reimbursement process.
• Support audits by preparing AP documentation, schedules, and support as requested.
• Maintain strong vendor relationships to support issue resolution and payment transparency.
• Protect the organization’s value by maintaining confidentiality of financial and employee information.
• Participate in weekly meetings by providing status updates on AP matters.
• Perform special projects and additional duties as assigned.

Supervisory Responsibilities:

• Lead, supervise, and develop the Accounts Payable team, including training, workload distribution, performance expectations, and accountability.
• Foster a positive, professional, and collaborative work environment that promotes teamwork, transparency, and continuous improvement.
• Maintain a positive work atmosphere through effective communication with internal and external customers.

Qualifications and KSA

Education:

• Bachelor’s degree in Accounting, Business Administration, or a related field preferred.
• Equivalent combination of education and significant accounts payable leadership experience will be considered.

Experience:

• Minimum of 5 years of accounts payable experience in a construction environment required.
• Minimum of 3 years of experience in an AP supervisory or lead role.
• Demonstrated experience with subcontractor accounts payable, lien waivers, retainage tracking, and high-volume invoice processing.
• Experience supporting audits and working within strong internal control environments.

Knowledge, Skills, and Abilities:

• Strong working knowledge of construction accounting practices, including subcontractor payments, compliance documentation, and retainage.
• Proficiency with construction accounting software such as Viewpoint, Sage 300 CRE, CMiC, or similar systems.
• Proficient in Microsoft Office, with intermediate to advanced Excel skills.
• Strong people leadership skills with the ability to coach, develop, and hold teams accountable.
• Excellent verbal and written communication skills with the ability to interact effectively across departments and with external partners.
• Excellent organizational and time-management skills with the ability to prioritize and meet deadlines.
• High attention to detail and accuracy in a deadline-driven, fast-paced environment.
• Strong analytical, conceptual thinking, and problem-solving skills.
• Process-oriented mindset with demonstrated experience improving AP workflows, controls, and system utilization.
• Ability to work effectively in a fast-paced, team-oriented environment while exhibiting professionalism, integrity, and sound judgment.
• Willingness to take ownership of team and personal outcomes, demonstrating extreme accountability, integrity, and ethical decision-making.
• Commitment to upholding high standards of business conduct and maintaining a positive, professional attitude.

Working Conditions - Mental Demands / Physical Demands / Environmental Factors

• Tools/Equipment Used: Standard office equipment, including computers, peripherals, and telecommunication devices.
• Posture: Primarily sitting, with occasional standing and walking. Ergonomic setup is encouraged to reduce strain.
• Motion: Frequent use of hands and fingers for typing and handling office equipment.
• Lifting: Regular light lifting and carrying (less than 15 pounds), such as laptops and documents.
• Environment: Primarily indoor, climate-controlled office environment. For remote or hybrid roles, maintaining a suitable home office environment is expected.
• Travel Requirements: Minimal travel required.
• Mental Demands: Ability to manage multiple projects, deadlines, and responsibilities simultaneously, often in a fast-paced environment. Ability to maintain composure and productivity under pressure. High levels of concentration and attention to detail are required.

Equal Employment Opportunity (EEO) Statement

Landmark is an Equal Opportunity Employer. Landmark recruits qualified applicants and advances its employees without regard to race, color, religion, sex, gender, sexual orientation, gender identity, gender expression, age, disability, genetic information, ethnic or national origin, marital status, veteran status, or any other status protected by law. We encourage all qualified candidates to apply and will provide reasonable accommodation for qualified individuals with disabilities.

Please note that this job description is not intended to be a comprehensive listing of all activities, duties, or responsibilities required of the employee in this role. Duties, responsibilities, and activities may change at any time, with or without notice.