JOB DETAILS

Accounts Payable Specialist

CompanyInternational Assn. for the Study of Lung Cancer
LocationDenver
Work ModeOn Site
PostedJune 13, 2026
About The Company
The International Association for the Study of Lung Cancer (IASLC) is the only global organization dedicated solely to the study of lung cancer. Founded in 1974, the association’s membership includes nearly 9,000 lung cancer specialists in over 100 countries. The IASLC's seeks to conquer thoracic cancers worldwide through educating scientists, medical professionals and the public on all aspects of lung cancer and other thoracic malignancies. The association publishes the Journal of Thoracic Oncology, a primary resource on the detection, prevention, diagnosis and treatment of lung cancer. Finally, each year the IASLC also hosts the IASLC World Conference on Lung Cancer (WCLC), the world's largest meeting dedicated solely to the study and science of thoracic cancers. The WCLC regularly draws 7,000 thoracic cancer specialists from over 100 countries.
About the Role

Description

Job Summary:

The Accounts Payable Specialist is responsible for managing the full-cycle accounts payable process, ensuring accurate and timely processing of vendor invoices, expense reports, and payments. Main accounting systems used are Sage Intacct accounting software and Bill.com. 


This full-time, exempt position is part of the Finance team and reports to the Controller.  The position works in our downtown Denver office on a hybrid schedule (2 assigned days required in office weekly). 


Essential Functions:

  • Receive, review, and process a high volume of vendor invoices for accuracy, proper coding, and appropriate approval in accordance with company policy.
  • Manage end-to-end invoice workflow within Bill.com, including invoice capture, routing for approval, and payment set up such as ePayment, ACH, wire, check, and vendor virtual card.
  • Ensure Bill.com synchronizes properly with Sage Intacct and investigate any errors or discrepancies to take appropriate corrective actions.
  • Resolve payment discrepancies and respond to vendor inquiries in a professional and timely manner.
  • Maintain accurate and up-to-date vendor records in both Sage and Bill.com, including contact information, payment terms, and W-9/tax documentation.
  • Onboard new vendors by collecting required documentation and completing internal setup processes in Sage Intacct.
  • Manage various travel stipend and reimbursement payments requested by programs/departments.  Clearly communicate with staff members what, when, who, how, & etc. as well as faculties and IASLC members in a professional manner.
  • Reconcile the AP sub-ledger, the general ledger, AP aging report in Sage Intacct along with AP aging and AP sub-ledger in Bill.com monthly and resolve discrepancies.
  • Assist with month-end and year-end close activities, including accrual preparation and aging report review.
  • Support external audits by providing documentation and responding to auditor inquiries related to AP transactions.
  • Process and administer employee travel stipends in accordance with company travel policy, ensuring timely and accurate disbursement. 
  • Demonstrate full ownership of assigned projects and duties, with accountability for using effective problem-solving skills to work through issues and for keeping Controller informed of any concerns.
  • Actively support and demonstrate IASLC core values.
  • Assist with other finance duties and office support as assigned.

Requirements


COVER LETTER AND CURRENT RESUME REQUIRED WITH APPLICATION FOR CONSIDERATION.


Minimum Qualifications:

  • 3+ years of progressive accounts payable experience in a corporate or mid-sized company environment. 
  • Associate’s degree in Accounting or Business with relevant accounting work experience.  Bachelor’s degree in Accounting, Finance, or a related field also acceptable.
  • Demonstrated proficiency with ERP accounting software (Sage Intacct or equivalent) for invoice entry, GL coding, and reporting.
  • Hands-on experience with Bill.com for digital invoice management, approval workflows, and electronic payment processing.
  • Strong understanding of full-cycle AP processes.
  • Solid knowledge of basic accounting principles (debits/credits, accruals, chart of accounts).
  • Discretion and confidentiality in handling sensitive financial and company information.
  • Proficiency in Microsoft Excel.
  • Exceptional attention to detail with a strong aptitude for numerical accuracy.
  • Collaborative, internal customer service approach to working with Finance team and other staff members.
  • Ability to synthesize and clearly communicate financial information and policies/procedures to team members and IASLC members, including some who may not have a financial background.


Preferred Qualifications:

  • Familiarity with expense management platforms (e.g., Concur, bill.com).
  • AP Certification (e.g., IOFM Certified Accounts Payable Professional).
  • Experience with GAAP accounting and reporting.
  • International experience and/or multilingual literacy/fluency.


Physical Demands:

  • Ability to sit at a computer workstation for extended periods.
  • Ability to lift/move 25-40 pounds on an occasional basis.


Work Environment:

  • Open office environment with computer workstations.
  • Frequent phone and computer use.
  • Moderate noise level.
  • Hybrid office schedule (2 days in office, 3 days remote each week).


Knowledge, Skills, and Abilities:

  • A commitment to the mission of the IASLC and compassion for those living with lung cancer.
  • Perform day-to-day administrative tasks, including but not limited to collecting required documentation, maintaining and updating records, and coding, processing and verifying data or information.
  • Effective accounting and organizational skills.
  • Strong attention to detail and accuracy of work.
  • Excellent time management with ability to prioritize assignments to meet assigned deadlines.
  • Proficiency in Microsoft Office Suite, including Excel; ability to quickly and effectively learn and implement new software programs and technologies.
  • Demonstrated ability to communicate proactively and professionally and collaborate effectively across all levels of the organization.
  • Proven ability to take ownership to independently complete assigned responsibilities, in addition to demonstrating initiative, and providing support for team and organization-wide activities, as needed.
  • Ability to work effectively and collaboratively in a dynamic, team-oriented environment. A collaborative attitude is a must as this small team must be flexible during busy times. 
  • Solid research, analysis, and problem-solving skills. 
  • Strong multicultural awareness and sensitivity and ability to build cross-cultural consensus.

Benefits:  Health insurance (medical, dental, vision), life insurance, 401(k) with employer match, long- and short-term disability, EAP, flexible spending accounts, paid vacation and sick time,12 paid holidays, professional development.


Compensation:  $57,000-60,000 annually, depending on education and experience.
 

We believe the best solutions come from diverse teams.  We strive to have an environment where everyone has an opportunity to be successful regardless of any lawfully protected status.

Key Skills
Accounts PayableSage IntacctBill.comGeneral Ledger CodingVendor ManagementBank ReconciliationMicrosoft ExcelFinancial ReportingAccrualsExpense ManagementNumerical AccuracyProblem SolvingCommunicationTime ManagementAttention To DetailGAAP
Categories
Finance & AccountingAdministrative
Benefits
Health insuranceMedical insuranceDental insuranceVision insuranceLife insurance401(k) with employer matchLong-term disabilityShort-term disabilityEmployee assistance programFlexible spending accountsPaid vacationSick time12 paid holidaysProfessional development
Job Information
📋Core Responsibilities
Manage the full-cycle accounts payable process, including invoice processing, vendor onboarding, and payment execution via Bill.com and Sage Intacct. Perform monthly reconciliations of AP sub-ledgers and support month-end, year-end, and external audit activities.
📋Job Type
full time
💰Salary Range
$57,000 - $60,000
📊Experience Level
2-5
💼Company Size
125
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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