A Market Access Business Technology Solutions organization is seeking handson Senior Data & Graph Technology Architects to rapidly onboard and help build an enterprisegrade Knowledge Graph + AI/LLMenabled platform. This platform will support Market Access field teams and downstream Commercial operations. These architects will play a critical role in delivering , contributing to a new solution that integrates: \\+ A Neo4jbased knowledge graph \\+ An LLMpowered chatbot / conversational interface \\+ Market Access and Patient Accesscompliant data \\+ Backend services, metadata systems, and logging frameworks \\+ A fieldfacing interface that delivers graphdriven insights The ideal candidates are highcaliber, Senior technologists who are highly handson, can explore complex data independently, and deliver meaningful progress quickly in an agile, iterative environment. Key ResponsibilitiesKnowledge Graph Architecture & Development \\+ Architect, design, and implement Neo4jbased knowledge graph structures supporting Market Access and Patient Access use cases. \\+ Ingest, model, and connect complex pharmaceutical datasets (patients, coverage, contracts, benefits, services, and GTN components). \\+ Design and optimize graph schemas, nodes, relationships, metadata layers, indexing strategies, and query performance. \\+ Integrate multiple knowledge sources while ensuring data correctness, lineage, traceability, and compliance with enterprise data standards. AI / LLM Integration \\+ Design and integrate LLMpowered chatbot and assistant workflows layered on top of the knowledge graph. \\+ Implement prompt engineering, retrievalaugmented generation (RAG), and domainspecific optimization. \\+ Partner with enterprise AI teams to ensure alignment with established frameworks, guardrails, and compliance requirements. Backend Systems, Data Engineering & Metadata \\+ Build backend services that interface with graph databases, LLM systems, and fieldfacing applications. \\+ Implement logging, observability, and metadata solutions, potentially leveraging AWSnative services. \\+ Develop ETL/ELT pipelines to ingest, transform, and enrich data from cloud data platforms and other enterprise sources. Pharma Domain Execution \\+ Rapidly understand and map complex Patient Services and Market Access datasets, including: \\+ Coverage, benefits, and payer data \\+ Contracting, copay, and rebate structures \\+ Access and affordability programs \\+ GrosstoNet (GTN) components \\+ Apply domain knowledge to design accurate graph relationships and AIdriven workflows. Agile Delivery & MVP Execution \\+ Operate at high velocity, delivering visible progress on a daily basis. \\+ Participate in daily standups, design sessions, and technical reviews. \\+ Own work endtoendfrom design through implementation and testing. \\+ Proactively identify gaps, ask the right questions, and recommend solutions without needing direction. Required Skills \\+ Data Architecture \\+ Python \\+ PySpark \\+ Data Modeling \\+ Graph Modeling \\+ Neo4j \\+ LLMs / Generative AI \\+ AWS Preferred Qualifications \\+ Strong experience across the AWS ecosystem (e.g., DynamoDB, Lambda, S3, API Gateway). \\+ Prior experience working with Market Access and/or Patient Access data. \\+ Previous contributions to enterprise LLM or ChatGPTbased pilots or prototypes. \\+ Comfort working in fastpaced MVP environments with ambiguity and rapid iteration. Experience Level Expert / Senior Level Job Type & Location This is a Contract position based out of Mettawa, IL. Pay and Benefits The pay range for this position is $90.00 - $90.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a hybrid position in Mettawa,IL. Application Deadline This position is anticipated to close on Feb 25, 2026. h4>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 Were 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. Were 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. Were strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Were 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.

The role requires a high-caliber, hands-on senior technologist with expertise in data architecture, Python, PySpark, data modeling, and graph modeling. Proficiency in Neo4j, LLMs, Generative AI, and AWS is also necessary. Experience with the AWS ecosystem, including DynamoDB, Lambda, S3, and API Gateway, is preferred. Prior experience with Market Access and/or Patient Access data, as well as contributions to enterprise LLM or ChatGPT-based pilots, are beneficial. The candidate should be comfortable working in fast-paced MVP environments with ambiguity and rapid iteration.