About the role:
The Accounts Receivable Specialist II serves as a key link between our entry-level AR Clerks and the AR Manager, supporting the day-to-day operations of the collections and cash application team. Reporting directly to the Accounts Receivable Manager, you will oversee the work of AR Clerks, assist in executing collections and payment application processes, and help drive accuracy, efficiency, and process improvements across the Accounts Receivable function.
In this role, your responsibilities will be:
- Monitor accounts receivable aging reports on a regular basis; coordinate with the invoicing team to follow up on past-due accounts, prioritize collection efforts, and escalate unresolved issues to the AR Manager.
- Oversee and review the accuracy of payment application ensuring payments, credits, and adjustments are posted correctly and in a timely manner.
- Assist in the preparation of borrowing base calculations and cash application reconciliations as directed by the AR Manager.
- Coordinate with customers and internal teams to resolve payment disputes, short pays, and unapplied cash; maintain clear documentation of account activity.
- Help identify workflow inefficiencies and contribute to the development and updating of Standard Operating Procedures (SOPs); collaborate with the AR Manager on process improvement initiatives.
- Serve as a day-to-day resource for AR Clerks on collections and payment application questions and customer account inquiries; escalate complex issues to the AR Manager as appropriate.
As a candidate you must have:
- High School diploma; Associate’s or Bachelor’s degree in Accounting, Finance, or a related field preferred.
- 3 years of progressive Accounts Receivable experience focused on collections and payment application, including some supervisory or lead responsibility.
- Demonstrated experience managing aging reports and driving collections follow-through.
- Familiarity with major ERP systems (e.g., Oracle, SAP, NetSuite, Workday).
- Proficiency in Microsoft Excel, including the ability to create and maintain reports and basic formulas.
- Strong organizational and communication skills with the ability to lead, coach, and support a small team of clerks.
- Must be a dependable team player with business maturity and enthusiasm, with the ability to deliver a high level of internal and external customer service.
- Must be willing and able to work 100% on-site.
What we can offer:
- $34/hr
- Health, Dental, Vision, and 401k for eligible employees
- Paid Time Off, including Sick/Safe Time
- A dynamic and challenging work environment with opportunity for growth
Security Industry Specialists, Inc. is an Equal Opportunity Employer
Skills Required
- High school diploma
- Associate's or Bachelor's degree in Accounting, Finance, or a related field
- 3 years of progressive Accounts Receivable experience focused on collections and payment application
- Some supervisory or lead responsibility
- Experience managing aging reports and driving collections follow-through
- Familiarity with major ERP systems such as Oracle, SAP, NetSuite, or Workday
- Proficiency in Microsoft Excel, including reports and basic formulas
- Strong organizational and communication skills
- Ability to lead, coach, and support a small team of clerks
- Dependable teamwork, business maturity, enthusiasm, and strong internal and external customer service
- Willingness and ability to work 100% on-site
Security Industry Specialists, Inc. Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Security Industry Specialists, Inc. and has not been reviewed or approved by Security Industry Specialists, Inc..
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Fair & Transparent Compensation — Pay is often described as better than many competing private-security firms, with weekly pay and readily available overtime helping boost earnings. Feedback suggests payroll is punctual and the overall pay level is acceptable to good for higher-end assignments.
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Healthcare Strength — The package includes medical, dental, and vision coverage with a notable employer premium contribution, which helps many view the health benefits as solid for the industry. Eligibility begins relatively soon for many full-time hires, reinforcing access to core coverage.
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Retirement Support — A 401(k) with an employer match is highlighted as a standout component, and company-paid life insurance adds to the financial protection mix. Feedback suggests the retirement offering can be attractive compared with typical security employers, though specifics vary by plan rules.
Security Industry Specialists, Inc. Insights
What We Do
Security Industry Specialists, Inc. (SIS) provides innovative and customized security solutions and services for people, assets, and facilities, catering to Fortune 500 companies, international events, and high-profile clients.









