What are the responsibilities and job description for the Accounts Receivable Coordinator position at SINGLE SOURCE SECURITY LLC?
Company: Protos Security
Job Title: Senior Accounts Receivable Coordinator
Reports To: Accounts Receivable Manager
Location: Roanoke, VA
Company Overview
Protos Security, a subsidiary of Security Services Holdings, is the largest technology enabled Security Officer Management company in the U.S. Headquartered in Norwalk, CT, Protos also has offices in New York, Texas, Virginia, Illinois, California, Tennessee, and Georgia, as well as international locations in Canada and the UK.
We are a game changer in the security and software industry, revolutionizing how security is managed and delivered to make the world a safer place.
Position Summary
The Accounts Receivable Coordinator supports the revenue cycle by ensuring accurate invoicing, timely follow-up on outstanding balances, and responsive client account support.
This role is responsible for managing assigned accounts, maintaining billing accuracy, adhering to established billing schedules, and collaborating across departments to resolve discrepancies. The ideal candidate is detail-oriented, organized, and able to work efficiently in a fast-paced environment while maintaining high standards of accuracy and professionalism.
Essential Duties & Responsibilities
Billing & Invoice Processing
- Process and generate invoices within the ERP system for assigned accounts.
- Ensure accuracy, completeness, and timely submission of invoices in accordance with billing cycles.
- Maintain alignment between operational systems and accounting records.
- Adhere to client-specific billing requirements and portal submission guidelines.
Accounts Receivable Support
- Monitor assigned accounts and follow up on outstanding invoices as directed.
- Assist with collections efforts to support timely payment.
- Respond promptly and professionally to client billing inquiries.
- Partner with internal teams to resolve billing discrepancies and documentation issues.
Accuracy & Compliance
- Maintain accurate and organized documentation of billing records.
- Follow internal controls and company policies related to invoicing and receivables.
- Support audit documentation requests as needed.
Collaboration & Professional Conduct
- Work effectively with Operations and Finance teams to ensure billing accuracy.
- Communicate clearly with internal and external stakeholders.
- Demonstrate accountability, responsiveness, and a commitment to quality service.
Success in This Role
Within the first 6–12 months, the Accounts Receivable Coordinator will:
- Consistently meet billing deadlines with minimal errors.
- Maintain accurate account documentation.
- Support improvement in aging performance for assigned accounts.
- Demonstrate reliability and professionalism in cross-functional collaboration.
Qualifications & Experience
- High school diploma required; Associate’s or Bachelor’s degree in Accounting, Finance, or Business preferred.
- 2–3 years of experience in accounts receivable, billing, or related accounting support role preferred.
- Experience in high-volume invoicing environments preferred.
- Working knowledge of ERP systems (Sage Intacct experience preferred).
- Proficiency in Microsoft Office, particularly Excel.
- Strong attention to detail and organizational skills.
- Ability to manage deadlines in a fast-paced environment.
- Professional communication skills and positive, team-oriented mindset.
Why You’ll Love Working With Us
At Protos Security, we are a community of driven professionals working together to make the world safer through technology and service. Here is what you can expect:
- Purpose Driven Work – Every role contributes to building smarter, more secure environments
- Growth Opportunities – Mentorship, cross functional projects, and career development
- Collaborative Culture – Open communication, respect, and team first thinking
- People First Values – Inclusive culture and generous employee support
Benefits Include:
- Competitive compensation
- Health, Vision, Dental, and Life Insurance
- Employee Assistance Program
- FSA / HSA
- 401(k) with employer contribution
- Excellent Paid Time Off (24 days)
- Collaborative work environment (and great coffee!)
Physical Demands
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
While performing the duties of this job, the employee is regularly required to sit; use hands to finger, handle, or feel and talk or hear. The employee is frequently required to reach with hands and arms. The employee is occasionally required to stand, walk; climb or balance; stoop, kneel, crouch, or crawl and taste or smell.
The employee must occasionally lift and/or move up to 10 pounds.
Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.
We are an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, or any other protected status under applicable law.
Salary : $20 - $24