Demo

AI/ML Engineer

Cognizant Technology Solutions
Irvine, CA Full Time
POSTED ON 12/14/2025
AVAILABLE BEFORE 2/13/2026

About the role

As an AI/ML Engineer, you will make an impact by designing, optimizing, and implementing advanced prompt strategies to enhance large language model (LLM) performance. You will be a valued member of our AI/ML team and collaborate closely with data scientists, developers, and product stakeholders to deliver cutting-edge solutions in conversational AI and automation.

In this role, you will:

  • Develop and refine prompts using techniques such as few-shot prompting, chain-of-thought reasoning, role prompting, and zero-shot learning.
  • Optimize LLM behavior by managing tokens, context windows, and temperature settings for improved accuracy and adaptability.
  • Implement strategies to mitigate prompt injection risks and ensure secure, reliable outputs.
  • Apply NLP fundamentals including tokenization, embeddings, and semantic similarity for text generation, summarization, and classification tasks.
  • Automate workflows using Python and integrate APIs, ensuring structured outputs with JSON.

Work model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 2 to 3 days a week in a client or Cognizant office in Irving, TX. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

What you need to have to be considered:

  • 3 years of experience in AI/ML, NLP, or related fields with hands-on exposure to Generative AI systems.
  • Strong understanding of LLMs, prompt-response dynamics, and model limitations.
  • Proficiency with platforms such as OpenAI, Google Vertex AI, or similar.
  • Solid Python skills for automation and API integration.
  • Excellent analytical and communication skills to bridge technical and non-technical teams.
  • Ability to document and standardize processes for scalability.

These will help you stand out:

  • Experience crafting prompts that balance constraints and flexibility for complex tasks.
  • Familiarity with advanced prompt optimization techniques and creative problem-solving approaches.
  • Knowledge of emerging trends in Generative AI and conversational systems.

Please note, this role is not able to offer visa transfer or sponsorship now or in the future.

Salary and Other Compensation:

The annual salary for this position is between $64,000 - $95,000 depending on experience and other qualifications of the successful candidate.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

  • Medical/Dental/Vision/Life Insurance
  • Paid holidays plus Paid Time Off
  • 401(k) plan and contributions
  • Long-term/Short-term Disability
  • Paid Parental Leave
  • Employee Stock Purchase Plan

We’re excited to meet people who share our mission and can make an impact in a variety of ways. Don’t hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Salary : $64,000 - $95,000

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