Senior Accounts Payable Specialist

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Longmont, CO, US

2 days ago Requisition

Salary Range: $27.00 To $36.00 Hourly

Stored Energy Systems (SENS) is an award-winning manufacturer of premium quality power conversion products located in Longmont, CO. In business for over 50 years, SENS is the market leader with a proven track record of providing highly reliable battery chargers, DC power systems, and related products to industrial markets. For more information on our company please see our web site at  .

The Senior Accounts Payable Specialist is responsible for managing the full accounts payable cycle, ensuring accurate and timely processing of invoices, payments, reconciliations, and vendor records. This role serves as a key resource for AP operations, supports month-end close, resolves complex discrepancies, and helps maintain strong internal controls and vendor relationships.

• Manage the end-to-end accounts payable process, including invoice receipt, coding, approval, and payment processing.
• Review invoices for accuracy, proper authorization, supporting documentation, and compliance with company policies.
• Perform three-way matching of purchase orders, receipts, and invoices.
• Process high-volume invoices accurately and within established payment deadlines.
• Prepare and process ACH, wire, check, and other vendor payments.
• Reconcile vendor statements and resolve discrepancies in a timely manner.
• Research and resolve invoice, payment, and account issues with vendors and internal departments.
• Maintain accurate vendor master data and assist with vendor onboarding and updates.
• Prepare AP-related account reconciliations and support monthly, quarterly, and year-end close activities.
• Monitor AP aging and identify outstanding invoices, duplicate payments, and potential payment issues.
• Assist with 1099 reporting and other year-end AP requirements.
• Support internal and external audits by providing documentation and account information.
• Maintain organized and accurate electronic and physical AP records.
• Identify opportunities to improve AP processes, strengthen controls, and increase efficiency.
• Provide guidance and support to junior AP staff and assist with training as needed.
• Perform other accounting and administrative duties as assigned.

• 4+ years of accounts payable or relevant accounting experience.
• Experience owning the responsibility for full-cycle accounts payable processes.
• Experience processing high-volume AP transactions within ERP/accounting systems such as SAP, Oracle, Net Suite, Microsoft Dynamics, or similar platforms.
• Strong understanding of accounting principles and internal controls.
• Excellent attention to detail and organizational skills.
• Ability to manage multiple priorities and meet strict deadlines.
• Strong analytical, problem-solving, and communication skills.
• Ability to work independently and collaborate effectively with cross-functional teams.
• Experience with expense management, purchasing, or procurement systems.
• Experience supporting month-end and year-end close.

• Experience in a multi-entity accounting environment.
• Associate's or Bachelor's degree in Accounting, Finance, or a related field.
• Proficiency in Microsoft Excel, including basic functions and data reconciliations.
• Experience mentoring or leading AP team members.

October 9th . While we anticipate keeping this position open through this date, the posting may be extended or closed earlier depending on applicant volume and hiring needs.

This role is located on-site in Longmont, CO.

The expected base compensation range is $27 - $36 per hour.

This position is eligible for an annual bonus based on individual and company performance.

• Free gym with 24/7 access
• Free Electric Vehicle charging
• Breakfast and Lunch Café
• After hours Grab & Go snacks
• Basketball court
• Walking paths
• Paid Time Off
• Paid holidays
• Medical insurance
• Vision insurance
• Short-term and long-term disability
• Life insurance
• 401(k) plan with immediate vesting
• Employee referral program

At SENS, our culture is rooted in a set of core values that reflect who we are and how we work. In a recent 2025 poll, our employees identified the values that best define us: "Innovative", "Respectful", "Inviting", "Flexible", "Collaborative", and "Growth Driven". Our team describes us as a dynamic,…