Enterprise Architect

UST

Aliso Viejo (CA)

Remote

USD 106,000 - 159,000

Full time

3 days ago

Be an early applicant

Get a reply from this employer

Your resume and cover letter, tailored to exactly what they’re hiring for.

Get past ATS filters

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Job summary

UST is seeking a senior Enterprise Architect with healthcare payer background to define the architecture of large-scale systems and drive Generative AI and Agentic AI solutions into production. You will join a remote-capable team and influence business leaders, engineering, security, and governance functions.

Required experience includes 15–18 years in software engineering and architecture, strong Java or .NET expertise, and hands-on AI capabilities.

Qualifications

15 to 18 years of software engineering and architecture experience with at least 5 years in an enterprise architect or principal-level role.
Strong expertise in Java (Spring Boot, Jakarta EE, microservices) or .NET (C#, ASP.NET Core, EF); experience with both is a plus.
Proven design of distributed, high-throughput systems using event-driven patterns and API management.
Hands-on Generative AI, LLM APIs, prompt engineering, embeddings, and RAG experience.
Knowledge of Agentic AI frameworks (LangChain, Semantic Kernel, AutoGen, etc.) and vector databases.
Solid cloud architecture experience with containers, Kubernetes, and IaC; strong security focus.

Responsibilities

Define enterprise reference architectures and roadmaps across app, data, and infra layers.
Lead modernization to microservices and cloud-native transformations on Azure, AWS, or GCP.
Design Generative AI solutions including LLM apps, RAG pipelines, and model evaluation.
Create Agentic AI systems with multi-agent orchestration, tool use, and state management.
Establish governance, ADRs, design standards, and architecture reviews.
Evaluate build-versus-buy for AI platforms and MLOps tooling.
Ensure security, privacy, compliance, and responsible AI practices in design.
Collaborate with stakeholders to translate business goals into architecture and plans.
Mentor architects and engineers and grow AI engineering capability.
Communicate technical risk, cost, and performance to executives.

Skills

Java

AWS

GCP

Enterprise Architecture

Kubernetes

LLMs

Software Design

Solutioning

Azure Service Bus

Azure AI Search

Job description

Enterprise Architect (Java / .NET, Generative AI & Agentic AI)

The Role

UST is seeking a senior Enterprise Architect with healthcare payer background to define and lead the architecture of large-scale, mission-critical enterprise systems and bring Generative AI and Agentic AI solutions into the enterprise landscape. The ideal candidate has deep Java or .NET platform expertise, a track record of architecting distributed systems at enterprise scale, and hands-on understanding of LLM-based applications, retrieval-augmented generation (RAG), and autonomous agent frameworks. This role works with business leaders, engineering teams, and security and data governance functions to turn AI capability into governed, secure, and scalable production systems.

What You'll Do

Define enterprise reference architectures, target-state designs, and technology roadmaps spanning application, integration, data, and infrastructure layers.
Architect modernization programs, including monolith decomposition, migration to microservices, and cloud-native transformation on Azure, AWS, or GCP.
Lead the design of Generative AI solutions, such as LLM-powered applications, RAG pipelines, vector search, prompt management, and model evaluation frameworks.
Design Agentic AI systems, including multi-agent orchestration, tool and function calling, memory and state management, human-in-the-loop controls, and guardrails.
Establish architecture governance, including design standards, patterns, review boards, and architecture decision records (ADRs).
Evaluate build-versus-buy decisions for AI platforms, model providers, orchestration frameworks, and MLOps/LLMOps tooling.
Ensure security, privacy, compliance, and responsible AI practices are embedded in solution design, including data residency, PII handling, access control, and output monitoring.
Partner with delivery leads, product owners, and client stakeholders to translate business objectives into technical architecture and realistic delivery plans.
Mentor solution architects, tech leads, and engineers, and build internal capability in AI engineering.
Assess and communicate technical risk, cost, and performance trade-offs to executive audiences.

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

What You Need

Required

15 to 18 years of experience in software engineering and architecture, with at least 5 years in an enterprise architect or principal-level role.
Strong expertise in Java (Spring Boot, Jakarta EE, microservices) or .NET (C#, ASP.NET Core, Entity Framework). Experience with both is a plus.
Proven experience designing distributed, high-throughput, fault-tolerant systems using event-driven architecture, messaging (Kafka, RabbitMQ, Azure Service Bus), and API management.
Hands-on working knowledge of Generative AI, including LLM APIs (OpenAI, Azure OpenAI, Anthropic, Google, or open-source models), prompt engineering, embeddings, and RAG.
Working knowledge of Agentic AI frameworks and patterns (for example, LangChain, LangGraph, Semantic Kernel, AutoGen, or equivalent), including tool use, planning, and agent evaluation.
Experience with vector databases (Azure AI Search, Pinecone, Weaviate, pgvector, or similar) and data platforms supporting AI workloads.
Solid cloud architecture experience on at least one major provider, with containers, Kubernetes, and infrastructure-as-code.
Strong understanding of enterprise security (OAuth2, OIDC, zero trust, secrets management) and AI-specific risks such as prompt injection, data leakage, and model misuse.
Excellent written and verbal communication skills, with the ability to present to CxO and steering committee audiences.

Preferred

Experience in regulated industries such as banking, insurance, healthcare, or telecom.
Familiarity with MLOps/LLMOps practices, model monitoring, and evaluation tooling.
Contributions to open-source projects, published articles, or speaking engagements on AI or architecture.

Location & Compensation

Compensation can differ depending on factors including but not limited to the specific office location, role, skill set, education, and level of experience. UST provides a reasonable range of compensation for roles that may be hired in various U.S. markets as set forth below.

Role Location: Remote

Compensation Range

$106,000 - $159,000

Who We Are

Since 1999, UST has worked side by side with the world's best companies to make a powerful impact through transformation. Headquartered in the United States, UST is powered by technology, driven by AI, inspired by people, and led by our purpose, we partner with our clients from design to operation. Our AI-driven digital solutions, proprietary platforms, engineering, R&D, products, and innovation ecosystem turn core challenges into impactful, disruptive business outcomes. With deep industry knowledge and a future-ready mindset, we infuse expertise, innovation, and agility into our clients' organizations-delivering measurable value and positive lasting change for them, their customers, and communities around the world. Together, with 30,000+ employees in 30+ countries, we build for boundless impact-touching billions of lives in the process. Visit us at .

Benefits

Full-time, regular employees accrue a minimum of 10 days of paid vacation per year, receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year), 10 paid holidays, and are eligible for paid bereavement leave and jury duty. They are eligible to participate in the Company's 401(k) Retirement Plan with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance, as well as the following Company-paid Employee Only benefits: basic life insurance, accidental death and disability insurance, and short- and long-term disability benefits. Regular employees may purchase additional voluntary short-term disability benefits, and participate in a Health Savings Account (HSA) as well as a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses as allowable under IRS guidelines. Benefits offerings vary in Puerto Rico.

Part-time employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company's 401(k) Retirement Plan with employer matching.

Full-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company's 401(k) program with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance.

Part-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).

All US employees who work in a state or locality with more generous paid sick leave benefits than specified here will receive the benefit of those sick leave laws.

Recruitment Process

As part of our recruitment process, UST may use AI or automated tools to support activities such as application screening, scheduling, or interview assistance. All hiring decisions are made by our recruitment team. Where applicable law requires it, further notice will be provided separately.

Equal Employment Opportunity Statement

UST is an Equal Opportunity Employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other applicable characteristics protected by law. We will consider qualified applicants with arrest or conviction records in accordance with state and local laws and "fair chance" ordinances.

UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.

Skills