Sr. AI Agent Prompt Engineer
Irvine, CA - USA
Job Summary
WHAT YOU WILL BRING TO THE ROLE
Minimum 8 years progressive experience including 3 years in applied AI or backend engineering including strong proficiency with Python.
Experience with agent frameworks (LangChain/LangGraph or similar patterns).
Experience with AI content generation chatbots or automated workflows.
Experience with multiagent coordination RLHF/RLAIF or feedback loops preferred.
Knowledge of safety filters jailbreak resistance and redteam tactics preferred.
Automotive or financial services industries preferred.
Bachelors degree in computer science data science engineering or a related field.
Proven expertise in building AI agents and orchestrating multi-model workflows.
Deep understanding of prompt design patterns context management and model behavior tuning.
Track record of delivering production-grade AI solutions that balance innovation with reliability.
Technical background strong analytical skills and a creative mindset to shape AI interactions and improve automated systems.
Exceptional attention to detail and quality.
Ability to work autonomously and in a team environment.
Excellent verbal and written communication including presentation skills.
Excellent interpersonal skills to successfully collaborate with cross functional departments.
Strong orientation toward results coupled with reputation for integrity creativity and good judgment
Must have the ability to challenge when appropriate existing practices.
WE TAKE CARE OF OUR PEOPLE
At HCA we know our success starts with our people. We offer a comprehensive rewards package designed to support your health financial wellbeing and life outside of work so you can bring your best every day.
In addition to competitive pay our benefits include:
Hybrid work schedule offering 4 on-site days and 1 remote day per week
Vehicle benefits designed around your role including monthly allowances and purchase and lease discounts
Flexible health coverage with medical dental and vision plans including no cost and low-cost options
Annual employer HSA contribution to help offset healthcare expenses
401(k) with company match and immediate vesting so you can start building your future from day one
100% company paid life and disability insurance for added peace of mind
Wellbeing programs at no cost to you including gym benefits and health resources
Generous parental leave to support growing families
Paid Volunteer Time Off plus a company donation to a charity of your choice
At HCA our benefits are more than perks theyre part of our commitment to supporting you at work and in life. Learn more about benefits at HCA!
WHAT HAPPENS NEXT
Express your interest by submitting an application. Once your application is received our recruiting team will review your application to see if you meet the basic and preferred qualifications listed on the job description. For more information on our culture visit our careers page.
OTHER DETAILS
Our Company is an equal opportunity employer committed to fostering a diverse inclusive and respectful workplacebecause we believe diversity builds stronger teams. We comply with all applicable federal state and local equal employment opportunity laws and do not discriminate on the basis of race religion or creed color national origin ancestry caste citizenship sex or gender (including pregnancy childbirth or related medical conditions) sexual orientation gender identity or expression age disability medical condition genetic information marital status family care or medical leave status military or veteran status political affiliation or any other characteristic protected by law. Information provided during the application process is requested in good faith and will be used solely in accordance with applicable employment laws.
California Privacy Notice
This notice only applies to our applicants who reside in the State of California.
If you have any questions about CCPA regarding California residents or HCA team members please contact the Privacy Team at.
Job Title: Sr. AI Agent / Prompt Engineer
Hyundai Capital America (HCA) helps people move forward. Through Hyundai Motor Finance Genesis Finance and Kia Finance we deliver innovative financing leasing and insurance solutions to more than 3 million customers and businesses nationwide.
Were a company driven by growth innovation and people. At HCA youll find opportunities to build new skills expand your career and make a real impactwhile working in a diverse inclusive and valuesdriven environment. Were proud to support our communities through volunteerism philanthropy and engaged Employee Resource Groups.
If youre looking for a fastpaced collaborative workplace where your ideas matter join us as we lead the future of financing freedom of movement. Apply today.
WORK MODEL
#LI-OnSite (4 days a week)
WHAT YOU WILL DO
The Sr. AI Agent / Prompt Engineer designs builds and hardens production grade AI agents that use large language models to reason invoke tools retrieve enterprise knowledge and recover from errors. This role goes beyond prompt writing and owns agent behavior end to end including prompt systems tool orchestration guardrails evaluation and reliability in real business workflows. This role will operate independently partner closely with architecture product governance and UX and actively drive AI initiatives from prototype through production.
HOW YOU WILL MAKE AN IMPACT
1. Agent and Prompt Engineering
Design build and deploy multistep prompt chains for complex of reasoning planning tool integration and error recovery ensuring accuracy reliability and contextual awareness.
Author and maintain robust prompt libraries (system prompts task prompts tool prompts) with clear structure constraints and fallbacks.
Develop agent workflows using function calling graphbased orchestration or similar agent frameworks.
Continuously iterate prompts and agent logic to improve accuracy consistency and grounded response.
2. Tool Use and Integration
Integrate agents with enterprise tools APIs and data sources (e.g. retrieval systems workflow engines internal services).
Define safe tool use patterns permissions and auditing strategies in partnership with governance and security teams.
Partner with data and platform engineers to ensure reliable RAG and agent execution paths.
3. Evaluation Quality and Reliability
Define and run offline and online evaluations for agent behavior (task success tool success error recovery).
Diagnose failure modes such as hallucinations prompt injection and tool misuse.
Partner with QA and Governance to harden agents prior to production release.
4. Cross-Functional Collaboration
Partner with business teams and product managers to translate business use cases into agent behaviors and integrate AI agents into production systems.
Ensure optimized design for interaction flows transparency and user trust
Stay current of emerging AI research trends and recommend practical improvements to the enterprise AI stack.
Required Experience:
Senior IC