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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Implementation Manager - **Company:** Extensis III, Inc. - **Location:** United States - **Experience:** Experienced - **Salary:** $90,000.0 - $100,000.0 - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Human Resources Information System (HRIS), Microsoft Office - **Published:** August 24, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=02f726ec55dec39e ## About the Role * BA or BS degree required or equivalent work experience * Formal study in payroll, HR or similar business highly desirable * CPP / FPC certification highly desirable * Minimum of 3 years of client-facing experience preferably in the PEO industry or similar outsourced service model industry * Experience in Payroll or HR Services required * Experience in fast paced customer service and project management or implementation environment required * Excellent written and verbal communication skills with a proven ability to facilitate presentations to client company stakeholders, managers, administrators, or groups * Strong business acumen and natural ability to influence internal and external stakeholders * Organized, trustworthy, and able to look at challenges as opportunities to achieve more * Understanding of the dynamics that facilitate or hinder change * Highly effective in client servicing and problem resolution * High level of thoroughness and accuracy * Resilience to cope with setbacks * Displays strong sense of urgency to meet tight timeframes and deadlines * Strong sense of empathy toward client concerns * Team player, results-focused, high ethical standards, and a strong ability to develop and enhance new client relationships * Self-starter who works well under pressure and acts swiftly to address questions or concerns ## Description Serve as the project manager and change agent to concierge all new clients through their first and best-in-class onboarding experience and set the tone for the client relationship. Lead and champion the client's business continuity internally and externally within the client organization through effective planning and management of onboarding project plans and timelines via the service delivery model. Key role is to achieve an accurate and timely first payroll and to create an overall successful onboarding client experience. What You'll Do:: Client Implementation/Customer Serivce/Documentation & Reporting: * Plan, direct, and coordinate all aspects of your new client's set-up, including relationship building, overall assessment, and evaluation of client needs during the late sales and onboarding processes * Act in the capacity of a lead Project Manager to facilitate a holistic experience focusing on payroll * Conduct impactful kick off and weekly status calls with clients and applicable team members to ensure a successful onboarding experience * Serve as the client's advocate and champion to ensure a seamless, hassle-free implementation to ExtensisHR - including processing payroll, coordination of internal teams to discuss client needs, expectations, and requirements * Develop and maintain a robust understanding of all ExtensisHR technologies (i.e., HRIS, CRM, etc.), features, and usage * Develop and formalize disciplined and customizable approaches, processes, and standards for managing the onboarding of clients and the implementation timeline * Provide new client contact(s) training and orientation on HRIS, payroll processing, products, services, and other key items to ensure your assigned clients are comfortable doing business with ExtensisHR * Proactively assess, orchestrate, and manage the identification and resolution of any issues pertaining to your client's onboarding * Confirm client pricing (i.e., client billing, workers compensation set-up, benefit selections, etc.) to ensure post-sale client success * Verify Form I-9 documentation submitted by clients for accuracy and compliance - request additional documents as needed * Perform mock payroll against existing reports and make corrections as necessary to prevent future payroll interruptions * Develop a value-based relationship with each new client resulting in maximum utilization of our service offerings * Accurately complete any ongoing employee payroll maintenance while ensuring all changes are completed prior to payroll processing (i.e., 401K deferrals and loans, garnishments, benefits, new hires, and terminations, etc.) * Ensure 100% error-free new client payroll processing for your assigned clients * Provide overall support until your client is transitioned to their permanent payroll specialist * Develop a deep understanding of the ExtensisHR process * Maintain positive and professional working relationships between all internal teams to foster a collaborative environment, to ensure a successful overall client onboarding experience * Provide passionate, dedicated service to clients via virtual meetings, as well as in-person if necessary * Closely monitor the client onboarding experience and report on break downs or unclear communication on expectations between your Client and ExtensisHR * Ensure there is a smooth transition from the implementation team to the service team * Maintain impressive client quality survey scores in support of key initiatives * Participate in data collection to support our periodic audits of internal controls with internal stakeholders * Participate in building library of templates, forms, FAQs, standard email responses, and procedures that increase efficiency and service quality for our clients * Timely documentation of client interactions via our CRM * Make effective use of company systems including Microsoft Office and various Company tools and software ## Related Videos - [What if your HR software adapted to you, not the other way around?](https://www.wearedevelopers.com/videos/100259-what-if-your-hr-software-adapted-to-you-not-the-other-way-around) - [Modern C#: A Dive into the Community's Most Loved new Features.](https://www.wearedevelopers.com/videos/693-modern-c-a-dive-into-the-community-s-most-loved-new-features) - [How One Developer Built the Back Office for 10 Million Companies](https://www.wearedevelopers.com/videos/100082-how-one-developer-built-the-back-office-for-10-million-companies) - [A guide for effective talent acquisition and sustainable integration of international employees](https://www.wearedevelopers.com/videos/1081-a-guide-for-effective-talent-acquisition-and-sustainable-integration-of-international-employees) - [Functional Programming in C++](https://www.wearedevelopers.com/videos/1409-functional-programming-in-c) - [Building APIs for Agents vs Systems. 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