Accounts Payable Senior Specialist

Senior AP Specialist
Master Trades Group | On-Site-Halethorpe, MD

Compensation: $28 - 34/ Hr.  
Classification: Full-Time | Hourly
Reports To: AP Supervisor

Join a Fast-Growing Home Services Platform

Master Trades Group is a private-equity-backed residential services platform operating 12 trusted local Plumbing, HVAC, and Electrical brands across multiple states. Our brands share one mission: to deliver same-day, expert service rooted in trust, professionalism, and community reputation.

MTG is seeking a skilled Accounts Payable Sr Specialist to support our Accounting Business Services (ABS) organization within the Procure-to-Pay (P2P) process. This role is responsible for ensuring accurate, timely, and well-controlled accounts payable operations. The Sr AP Specialist applies strong technical accounting knowledge, vendor management expertise, and data-driven insights to support month-end close, cash flow control, and supplier relationships. In addition, the role partners closely with the Accounts Payable Manager to support the development, training, and ongoing performance of the AP team.

What You’ll Do:

• Perform and review reconciliations, accruals, and aging analyses to ensure accuracy and completeness of accounts payable balances.
• Identify risks, discrepancies, and process gaps, escalating issues as appropriate and proposing corrective actions.
• Support month-end and quarter-end close activities, ensuring alignment with internal controls and accounting policies.
• Contribute to effective cash flow management through accurate aging reviews and payment prioritization. 

Vendor Management & Spend Insight

• Apply knowledge of vendor terms, discounts, and payment conditions to ensure compliance and optimize payment timing.
• Analyze vendor spend trends and provide insights to inform supplier decisions and cost management initiatives.
• Partner with internal stakeholders to resolve vendor inquiries and payment issues in a service-oriented manner. 

Dispute Resolution & Compliance

• Lead and support negotiations related to invoice discrepancies, disputes, and vendor claims.
• Ensure compliance with internal policies, approval matrices, and audit requirements.
• Influence best practices across the AP team by coaching peers on proper processes and compliance standards.
• Strengthen supplier trust through consistent, transparent, and professional issue resolution.

Ownership, Leadership & Team Development

• Take full ownership of assigned deliverables, ensuring deadlines and quality standards are consistently met.
• Act as a senior point of reference for junior team members, providing guidance, mentoring, and on-the-job support.
• Support the Accounts Payable Manager in onboarding, training, and developing team members, including knowledge transfer and process documentation.
• Contribute to building a strong local talent pipeline by promoting accountability, organization, and continuous improvement. 

Reporting, BI & Process Improvement

• Use BI tools and reporting solutions to analyze accounts payable data and performance metrics.
• Identify automation and efficiency opportunities within AP processes, partnering with the manager and cross-functional teams to implement improvements.
• Enhance the quality, accuracy, and usefulness of AP reporting for management and stakeholders.

What We Are Looking For:

Education & Experience:

• Minimum 3 years of experience in Accounts Payable, preferably in a centralized or ABS/AP-focused environment.
• Experience using Sage Intacct and Medius (or similar ERP/AP automation tools).
• Proven ability to maintain strong internal controls while managing high-volume transactions.
• Strong analytical and problem-solving skills.
• Excellent written and verbal communication skills in English.
• Proficiency in Microsoft Office Excel (PivotTables, XLOOKUP/VLOOKUP, IF formulas, conditional formatting)
• Ability to prioritize, multitask, and meet deadlines in a fast-paced environment.
• Experience with process improvement and automation adoption preferred.

Key Competencies:

• Strong Communicator: Effectively communicates with internal and external stakeholders and delivers excellent customer service.
• Highly Organized: Demonstrates strong organizational skills and the ability to manage competing priorities.
• Detail-Oriented: Ensures accuracy and consistency in all accounting and reporting activities.
• Collaborative Team Player: Contributes to a teamwork-focused, cross-functional environment.
• Professional Judgment: Maintains discretion and confidentiality while handling sensitive financial information.

Comprehensive Benefits: Medical, dental, vision, 401(k) match, PTO, paid holidays, company-paid life, disability, EAP.

EOE