Client Implementation Specialist

*** THIS ROLE IS NOT ACCEPTING C2C, OPT, F1, H4, H1B VISA HOLDERS, OR 1099 CANDIDATES *** We are seeking a highly skilled Client Implementation Specialist to provide technical and client-facing expertise for onboarding, implementation, and user acceptance testing (UAT) of enterprise systems, processes, and products. This role is responsible for leading testing efforts across APIs, web applications, IBM MQ messaging, and managed file-transfer platforms, including Connect:Direct and FTP/SFTP. The Client Implementation Specialist will translate business and technical requirements into certification plans, validate integrated workflows, troubleshoot complex issues, and support a seamless client experience throughout the implementation lifecycle. Additionally, this position will identify repetitive manual testing and operational activities and develop controlled automation solutions using open-source frameworks and scripting tools. Required Qualifications 5+ years of relevant experience. 2+ years of client onboarding, implementation, or systems integration experience. 3+ years of UAT, system integration, quality assurance, or enterprise application testing experience. Hands-on experience testing REST and/or SOAP APIs, including JSON/XML payloads, HTTP methods and status codes, headers, authentication, business rules, and error handling. Experience with Postman, SoapUI, Swagger/OpenAPI tools, REST Assured, or comparable API testing platforms. Experience developing automated tests using open-source frameworks such as Playwright, Selenium, Robot Framework, Pytest, or similar technologies. Working knowledge of Windows and Linux operating systems, IBM MQ, Connect:Direct, and FTP/SFTP technologies. Programming or scripting experience with Python, JavaScript, Java, PowerShell, or similar languages. Strong understanding of Software Development Lifecycle (SDLC), quality assurance methodologies, defect management, and version control processes. Proven ability to analyze logs, payloads, queue activity, file-transfer records, and technical failures. Strong analytical, organizational, problem-solving, and technical writing skills. Responsibilities: Client Onboarding & Implementation Lead client onboarding and implementation activities, ensuring timely and successful adoption of systems and products. Serve as a primary client contact throughout the implementation process. Coordinate cross-functional resources to support project execution and client success. Develop onboarding and implementation project plans, certification criteria, and testing strategies. Support status reporting, training materials, user guides, and continuous improvement initiatives. Testing & Validation Plan, coordinate, and execute user acceptance testing (UAT), system integration testing, regression testing, positive and negative testing, and end-to-end testing activities. Translate business and technical requirements into certification plans, test cases, test data, acceptance criteria, and traceability documentation. Validate integrated workflows across multiple applications and environments. Maintain comprehensive test results, defect logs, implementation records, automation assets, and testing metrics. Test REST and SOAP APIs, validating JSON/XML payloads, HTTP methods and status codes, headers, authentication mechanisms, business processing rules, and error responses. Validate web application workflows, navigation, field-level rules, access controls, permissions, and supported browser behavior. Utilize tools such as Postman, SoapUI, Swagger/OpenAPI, REST Assured, and comparable API testing solutions. Validate IBM MQ messaging and Connect:Direct or FTP/SFTP transfers, including receipt confirmation, acknowledgments, naming conventions, permissions, and failure conditions. Analyze logs, queues, payloads, transfer records, and environment details to identify and isolate application, data, configuration, connectivity, and infrastructure issues. Document and track defects, including reproduction steps, expected versus actual results, supporting evidence, and business impact. Coordinate defect resolution, retesting, and validation activities. Perform root-cause analysis and technical troubleshooting across applications, data, infrastructure, and connectivity layers. Analyze queue activity, file-transfer records, payloads, and technical failures to resolve client and system issues. Automation & Process Improvement Design, develop, and maintain reusable automated tests, scripts, and utilities using approved open-source frameworks and tools. Evaluate repetitive or error-prone manual activities and implement controlled automation solutions with logging, exception handling, traceability, and appropriate human oversight. Support automation framework design, scripting, test data preparation, evidence collection, and reporting activities. Job Type & Location This is a Permanent position based out of Concord, NC. Pay and Benefits The pay range for this position is $78000.00 - $97570.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. Workplace Type This is a fully onsite position in Concord,NC. About TEKsystems We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. About TEKsystems and TEKsystems Global Services We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records. Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.