NTT

6 days ago

Prompt Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 21 hours agoStatus: Live

Job Summary

Design, test, govern, and continuously improve prompts, system instructions, conversation flows, and interaction patterns for AIRP LLM applications. Partner with engineers to implement prompt versioning, testing, deployment, and monitoring, and evaluate quality using groundedness, hallucination, safety, latency, and cost metrics. Build reusable prompt libraries and guardrails, optimize experiences for enterprise and financial-services use cases, and conduct adversarial testing for prompt injection and jailbreaks.

Location: Jersey

Workplace: Onsite

Employment Type: Full time

Job Function: Communications, PR & Community

Seniority: Mid level

Key Responsibilities

•Design prompts for chatbots, copilots, RAG systems, document analysis, summarization, workflow agents, knowledge assistants, and decision-support experiences.
•Develop system prompts, few-shot examples, tool-use instructions, response formats, escalation logic, citation behavior, and conversation policies.
•Optimize prompts for enterprise financial services use cases including KYC support, credit underwriting support, governance tracking, and sanctions screening.
•Evaluate prompt performance using metrics including task success, groundedness, hallucination rate, completeness, safety, user satisfaction, latency, and token cost.
•Partner with engineers to implement prompt versioning, testing, deployment, and monitoring in production systems and CI/CD workflows, including support for RAG quality and adversarial testing.

Pay and Benefits

Salary: USD 104,904 - 182,125 annually

Perks:Health InsuranceDentalVisionLife InsurancePaid Leave401kDisability InsuranceEmployee Assistance

Key Requirements

•3+ years of experience with LLM behavior, prompt design, tokenization, context windows, RAG, embeddings, and model limitations.
•3+ years of experience with OpenAI APIs, Azure OpenAI, AWS Bedrock, Anthropic, LangChain, LlamaIndex, Semantic Kernel, Copilot Studio, or similar platforms.
•3+ years of debugging LLM outputs using structured testing, error analysis, and iterative refinement.
•3+ years of experience with prompt-security risks including prompt injection, jailbreaks, data leakage, hallucination, and instruction conflicts.
•3+ years of creating repeatable prompt templates and evaluation evidence suitable for enterprise governance.

Experience:3+ yearsGenAIRAG

Skills:WritingAnalyticalCommunicationStakeholder-management

Tech Stack:LLMPrompt designTokenizationContext windowsRAGEmbeddingsOpenAI APIsAzure OpenAIAWS BedrockAnthropicLangChainLlamaIndexSemantic KernelCopilot StudioMicrosoft Copilot StudioPower PlatformCI/CD

Company Brief

NTT

Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.

Industry: Professional Services

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Established Company

Valuation: Public Company (Market Cap in USD)

Headquarters: London, United Kingdom

Founded: 1983

Website LinkedIn

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NTT