AI Platform LLMOps Engineer

Calling all innovators find your future at Fiserv.

Were Fiserv a global leader in Fintech and payments and we move money and information in a way that moves the world. We connect financial institutions corporations merchants and consumers to one another millions of times a day quickly reliably and securely. Any time you swipe your credit card pay through a mobile app or withdraw money from the bank were involved. If you want to make an impact on a global scale come make a difference at Fiserv.

Job Title

About your role:
You will join Fiserv to help advance enterprise AI capabilities that support our clients and regulated product lines. You will design deploy and maintain LLM-driven services and supporting infrastructure partnering with product data and risk teams to deliver reliable compliant AI solutions. The role focuses on lifecycle management evaluation and production-grade integration of models and retrieval systems.

What youll do:

• Deploy version and manage LLMs adapters and fine-tuned variants through a centralized model registry and CI/CD pipelines.
• Design and automate pipelines for training validation canary releases rollbacks and continuous fine-tuning loops.
• Build evaluation frameworks for task accuracy safety bias and hallucination detection; run offline and online evaluations including human-in-the-loop workflows.
• Implement telemetry drift detection and performance dashboards for models and embeddings.
• Partner with data engineers to maintain knowledge graph and vector store infrastructure; develop ingestion ontology update and embedding refresh pipelines with domain isolation.
• Manage lightweight fine-tuning (LoRA/PEFT) curate/preprocess datasets and track model performance deltas while maintaining compliance guardrails.
• Collaborate with product managers compliance security and risk teams to define evaluation benchmarks and ensure responsible AI practices.
• Provide technical guidance SDKs and documentation for developers integrating LLMs into products.

Experience youll need to have:

• 10 years of experience in Python development and LLM frameworks (Hugging Face LangChain LlamaIndex PEFT/LoRA).
• 8 years of experience in cloud platforms and container orchestration (Azure AWS GCP Kubernetes/Openshift Docker).
• 8 years of experience in model lifecycle management and MLOps tooling (model registries ML CI/CD Terraform/Helm integration).
• 6 years of experience in knowledge graphs and vector search technologies (Neo4j Amazon Neptune Weaviate Pinecone FAISS).
• 6 years of experience in database design and data modeling for large-scale AI datasets (PostgreSQL Snowflake MongoDB).
• 6 years of experience in infrastructure-as-code and CI/CD tooling (Terraform Helm Gitlab GitHub Actions Jenkins).

Experience that would be great to have:

• Prior experience in enterprise AI governance compliance safety and data privacy frameworks.
• Direct with evaluation and observability platforms (LangSmith Weights & Biases PromptFoo TruEra).
• Experience working in regulated industries (finance insurance healthcare).
• Background implementing continuous retraining/fine-tuning loops and model performance rollback strategies.
• Exposure to multi-tenant systems design and role-based access controls (RBAC) for model and data isolation.

How youll work:

• This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experience helps you with your overall onboarding experience and leads to stronger productivity.
• This role requires the use of a computer and audio equipment.

Sponsorship:

• You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including but not limited to F-1 (OPT CPT STEM) H-1B H-2 or TN or any candidate requiring sponsorship now or in the future will not be considered for this role.

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Salary Range:

These pay ranges apply to employees in Maryland. Pay ranges for employees in other states may differ. Certain Positions are Commissions eligible.

It is unlawful to discriminate against a prospective employee due to the individuals status as a veteran.

Thank you for considering employment with Fiserv. Please:

• Apply using your legal name
• Complete the step-by-step profile and attach your resume (either is acceptable both are preferable).

Our commitment to Equal Opportunity:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion national origin gender gender identity sexual orientation age disability protected veteran status or any other category protected by law.

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process please contact. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiservs Disability Accommodation Policy for additional information.

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