Accounts Payable Support Manager

SUMMARY 

Mortenson is currently seeking an Accounts Payable Support Manager that will be responsible for leading the Accounts Payable Support function and managing the day‑to‑day work activities of the AP Support team. This role oversees vendor inquiries, vendor master data maintenance, payment processing activities, 1099 reporting, and related AP support processes to ensure timely, accurate, and compliant outcomes.

The manager is responsible for monitoring and reporting on departmental KPIs, supporting adherence to internal service level agreements (SLAs), and guiding the team toward meeting established performance expectations, while promoting service excellence, strong internal controls, and continuous improvement.

RESPONSIBILITIES

• AP Support Operations

  • Lead the AP Support team responsible for vendor inquiries via ServiceNow, payment support (including internal payments and Paymode), and 1099 reporting support in partnership with Tax and Compliance.

  • Drive continuous improvement and innovation within Accounts Payable, leveraging emerging technologies, including AI, to reduce manual effort and improve efficiency.

  • Ensure accurate, timely, and professional resolution of inquiries within established SLAs.

  • Monitor workload, trends, and aging to proactively address backlog, process gaps, and performance risks.

• Performance Management, KPIs & SLAs 

  • Develop, maintain, and report on departmental KPIs related to vendor inquiries, vendor master processing, payment accuracy, timeliness, and reclasses.

  • Monitor adherence to internal SLAs and hold team members accountable for meeting performance standards.

  • Prepare and share regular KPI reporting with leadership, highlighting trends, risks, and improvement opportunities.

  • Drive corrective action plans when KPIs or SLAs are not met, including coaching, process changes, or workflow adjustments.

• Leadership and Team Development

  • Coach, develop, and performance‑manage AP Support team members using KPI and SLA results to reinforce expectations and accountability.

  • Establish clear procedures, metrics, and documentation to support consistent execution and sustained performance.

  • Foster a culture of accountability, continuous improvement, and customer service excellence.

• All other duties as assigned.

QUALIFICATIONS

• Bachelor’s degree in Accounting, Finance, Business Administration, or a related field preferred; equivalent practical Accounts Payable experience will be considered.

• 5-7 years of progressive Accounts Payable leadership experience required, including hands‑on responsibility for vendor inquiries, payment processing, and vendor master data activities.

• Experience supporting electronic payment solutions, virtual card programs, and payment platforms (e.g., Paymode) preferred.

• Experience supporting 1099 reporting activities and coordinating with Tax or Compliance teams preferred.

• Prior experience working with AP systems, ERP platforms, and case management tools such as ServiceNow strongly preferred.

• Strong knowledge of Accounts Payable operations, including vendor inquiry management, vendor master data maintenance, payment processing, virtual card programs, and 1099 support activities.

• Working knowledge of AP and financial systems, payment platforms, and case management tools (e.g., ERP systems, ServiceNow, Paymode), with the ability to navigate data and support daily operations.

• Experience identifying operational inefficiencies and supporting process improvements through clear procedures, documentation, and practical workflow enhancements.

• Ability to monitor, analyze, and report on operational KPIs and service level data to assess performance, identify trends, and support continuous improvement.

• Strong communication skills to effectively interact with vendors, internal stakeholders, and team members; ability to clearly explain processes, resolve issues, and provide guidance.

• Proven people leadership skills, including coaching, feedback, workload management, and supporting team performance in a service‑oriented environment.

• Collaborative and customer‑focused mindset, with the ability to build strong working relationships across Finance, Tax, Procurement, Treasury, and other partner teams.

A few benefits offered include: 

(for Non-Craft & Non-Union Craft working 25+ hours / week)

• Medical and prescription drug plans that includes no additional cost vision coverage 
• Dental plan 
• 401k retirement plan with a generous Mortenson match
• Paid time off, holidays, and other paid leaves 
• Employer paid Life, AD&D, and disability insurance 
• No-Cost mental health tool and concierge with extensive work-life resources
• Tuition reimbursement 
• Adoption Assistance  
• Gym Membership Discount Program  

The base pay range for this role is $99,000 - $148,600. (Actual range is higher for the following office locations: Denver, CO and Chicago, IL – 5%, Seattle, WA, and Portland, OR – 10%, Washington, D.C. – 12.5%). This position is eligible for Mortenson’s incentive plan.

Base pay is positioned within the range based on several factors including an individual’s knowledge, skills, and experience, with consideration given to internal equity. 

#LI-BS1 #LI-hybrid

Please make note: 

• Visa sponsorship is not offered for this position.

• Our postings are typically open a minimum of 5 days and an average of 44 days. 

ABOUT MORTENSON

As a top builder, developer, and EPC (Engineering, Procurement, and Construction), our expertise spans markets like sports, renewable energy, data centers, healthcare, and more. We are builders at heart, working to ensure the built environment has a lasting positive impact. 

Let’s Redefine Possible® 

Equal Employment Opportunity

Your uniqueness brings new and creative perspectives to the team. Mortenson is committed to providing equal opportunities of employment (EOE) to all individuals, regardless of your race, religion, gender, national origin, age, veteran status, disability, marital status or any other legally protected category.

Other Items to Note

• Mortenson reserves the right to hire any individual without legal or financial obligation on unwanted solicitations. No agency emails, calls, or solicitations are accepted without a valid agreement.

• be currently legally authorized to work in the U.S. without sponsorship for employment visa status (e.g., H1B status, 0-1, TN, CPT, OPT, etc.). We are unable to sponsor or take over sponsorship of an employment Visa at this time.