Senior Accounts Payable Specialist

Stored Energy Systems, LLC; Longmont, Northern (CO, KY); Hybrid; USD 37,000 - 50,000; Full time

Benefits offered by this job

Gym access

EV charging

Café

Snacks

Basketball court

Walking paths

Paid Time Off

Paid holidays

Medical insurance

Vision insurance

Disability insurance

Life insurance

401(k) plan

Employee referral program

Job summary

Stored Energy Systems, LLC in Longmont, CO seeks a Senior Accounts Payable Specialist to manage the full AP cycle, ensuring accurate processing of invoices, payments, and vendor records. You will support month-end close, resolve discrepancies, and maintain strong internal controls.

The role requires 4+ years in AP, proficiency with ERP systems (SAP/Oracle/NetSuite/Dynamics), and attention to detail. On-site position with benefits and a competitive hourly base pay.

Qualifications

• 4+ years of accounts payable or relevant accounting experience.
• Experience owning the full-cycle accounts payable processes.
• Experience processing high-volume AP transactions in ERP/accounting systems (SAP, Oracle, NetSuite, Microsoft Dynamics).
• 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 with cross-functional teams.
• Experience with expense management, purchasing, or procurement systems.
• Experience supporting month-end and year-end close.

Responsibilities

• 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 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 promptly.
• 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 month-end close activities.
• Monitor AP aging and identify outstanding invoices and potential issues.
• Assist with 1099 reporting and other year-end AP requirements.
• Support audits with documentation and account information.
• Maintain organized electronic and physical AP records.
• Identify opportunities to improve AP processes and controls.
• Provide guidance to junior AP staff and assist with training.

Skills

Attention to detail

Analytical skills

Communication skills

Multitasking

Education

Bachelor's degree in Accounting

Associate's degree

Tools

SAP

Oracle

NetSuite

Microsoft Dynamics

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Senior Accounts Payable Specialist

Longmont, CO, US

2 days ago Requisition ID: 1503

Salary Range: $27.00 To $36.00 Hourly

Who We Are

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 www.sens-usa.com .

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.

Responsibilities

• 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.

Required Qualifications

• 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, NetSuite, 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.

Preferred Qualifications

• 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.

Closing Date

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.

Location

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

Base Compensation

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

Bonus

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, forward-thinking company where everyone has the opportunity to thrive.

We pride ourselves on being an equal opportunity employer, fully dedicated to fostering inclusion and diversity. We welcome all applicants, regardless of race, color, religion, sex, sexual orientation, gender identity, genetic information, national origin, age, disability, veteran status, or any other legally protected characteristic.

We hope you're interested in making a difference with us. Even if you don't feel that you meet every qualification listed in this job description, we still encourage you to apply.