Delaney Computer Services (DCS) is a Northern New Jersey–based Managed IT Services Provider serving small and mid-sized businesses throughout the New York Metro area. We deliver managed IT, cybersecurity, cloud, and professional services to clients who depend on us to keep their businesses operational and secure.
We are seeking a detail-oriented Bookkeeper to join our team and support our financial and billing operations. This is an opportunity to join a stable, growing company where accuracy, organization, and accountability are highly valued.
This is an in-office position in Mahwah, NJ. Remote candidates will not be considered.
The Bookkeeper is responsible for maintaining accurate financial records, supporting invoicing and billing processes, and ensuring that financial data remains organized and up to date.
Our environment includes recurring services, project-based work, vendor expenses, and contract-based billing. While deep MSP experience is not required, the right candidate should be comfortable working in a structured, detail-driven environment and able to understand how billing aligns with services and agreements.
You will also assist with internal coordination and may communicate with clients when questions arise, so professionalism and clarity are important.
Core Responsibilities- Manage and process monthly recurring service agreement (MSA) billing
- Invoice project-based and transactional work (hardware, software, renewals, domains, etc.)
- Reconcile vendor invoices and licensing to client agreements
- Maintain billing accuracy within QuickBooks Online
- Audit contracts and ensure billing aligns with contract terms
- Resolve billing discrepancies proactively
- Communicate directly with clients regarding invoice questions, service relationships, and contract terms
- Identify when issues require escalation to management and when they can be handled independently
- Continuously improve billing processes and documentation
- Someone who is organized, detail-oriented, and reliable
- Comfortable working in a structured, professional environment
- Able to manage multiple tasks and stay on top of priorities
- A clear communicator who can work with internal staff and, when needed, clients
- Someone who takes ownership of their work and follows through. This is not a passive administrative role. It requires ownership, judgment, and professionalism.
RequirementsRequired Qualifications
- Experience using QuickBooks Online
- Experience with Various QuickBooks Desktop Versions
- Prior bookkeeping or accounting support experience
- Demonstrated ability to understand contract-based billing
- Experience with recurring revenue models
- Strong written and verbal communication skills
- Close attention to detail and process discipline
- Comfortable working in an office environment full-time
- Ability to work independently and take ownership of outcomes
- Willingness to learn
- 2+ years of billing / bookkeeping experience in a professional services firm
- Strong working knowledge of QuickBooks Online
- Understanding of licensing, cloud subscriptions, and vendor reconciliation
- Experience explaining invoices to small business owners
- Familiarity with service agreements and contract structures
BenefitsCompensation & Benefits
- Competitive salary based on experience
- Health, dental, and vision benefits
- 401(k) with company match
- Paid time off
- Long-term growth opportunity within a stable MSP
Skills Required
- 3+ years of billing experience in a professional services, MSP, or IT services environment
- Strong working knowledge of QuickBooks Online
- Experience with PSA systems
- Autotask experience
- Demonstrated ability to understand contract-based billing
- Strong written and verbal communication skills
- High attention to detail and process discipline
- Comfortable working in an office environment full-time
- Ability to work independently and take ownership of outcomes
What We Do
For the past 25 years, Delaney Computer Services has honed its craft, earning a reputation as a dependable IT service provider for businesses and organizations in the region. From its humble beginnings at the founder's kitchen table in 1994, DCS has evolved into one of the most well-known MSPs in the area. Throughout our journey, we have consistently strived to provide top-notch IT support and guidance to our clients, which has been the cornerstone of our success. DCS is known for providing IT as a Service or ITAAS. ITAAS provides equipment, IT solutions, a helpdesk, and cybersecurity for one fixed price per workforce user with no up-front costs. As experts in Nist 800 cybersecurity framework compliance standards, DCS is well-positioned to provide complete cybersecurity services, included with our full range of IT management and helpdesk support capabilities. DCS services businesses from about 15 employees to about 250 employees. Our clients typically pay one fixed, flat, all-inclusive monthly fee in return for unlimited IT support and secure and adequately running technology. Our business goals are always aligned with yours. DCS wants your business to thrive and be more productive and efficient, with as few interruptions as possible. The better we do our jobs, the more profitable we are, so in turn, rewarded for taking preventative measures, ensuring your IT is always working as effectively as possible.
