Senior Search Engineer - Lucidworks Fusion (Remote)

Computer Task; United States; Remote; USD 110,000 - 116,000; Full time

Job summary

CTG, a Cegeka company, seeks a Senior Search Engineer for enterprise search and conversational AI. The role emphasizes hands-on design and optimization using Lucidworks Fusion and related platforms, with strong emphasis on RAG, embeddings, and secure AI integrations.

You will lead pipelines, support AWS/Kubernetes, and collaborate across product, security, and architecture teams in a 6‑month W2 contract, with remote work and ET hours. Occasional travel for meetings is required.

Qualifications

• 5+ years of experience in search engineering, information retrieval, or enterprise application development.
• Hands‑on experience with an enterprise search platform such as Lucidworks Fusion, Solr/Lucene, Elasticsearch/OpenSearch, Algolia, Vespa, or Azure AI Search.
• Experience with semantic and vector search, embeddings, hybrid ranking, and relevance optimization.
• Experience developing RAG solutions, including grounding, prompt design, citations, and AI guardrails.
• Experience supporting AWS and Kubernetes in production environments.
• Proficiency in Java and/or Python, JSON, REST APIs, Git, automated testing, and CI/CD.
• Strong understanding of search schemas, analyzers, tokenization, synonyms, faceting, boosting, filtering, relevance scoring, connectors, and query debugging.
• Strong technical leadership, communication, problem‑solving, and cross‑functional collaboration skills.

Responsibilities

• Lead the design, development, and optimization of enterprise search solutions using Lucidworks Fusion or comparable platforms.
• Build lexical, semantic, vector, and hybrid search capabilities, including relevance tuning, boosting, filtering, facets, and synonyms.
• Develop single-turn and multi-turn conversational search and RAG experiences incorporating intent recognition, query rewriting, session context, grounding, citations, and fallback behavior.
• Integrate enterprise large language model (LLM) services, AI services, and REST APIs with appropriate security, performance, and cost controls.
• Establish search relevance benchmarks, quality metrics, and automated regression tests.
• Troubleshoot search pipelines, APIs, Solr, AWS and Kubernetes environments, model endpoints, and application integrations.
• Collaborate with Adobe Experience Manager (AEM), front-end, product, AI, cloud, security, and architecture teams.
• Implement Git workflows, CI/CD, automated testing, monitoring, and configuration-as-code practices.
• Create technical documentation, architecture diagrams, runbooks, and knowledge‑transfer materials.

Skills

Lucidworks Fusion

Solr/Lucene

Elasticsearch/OpenSearch

Python

Java

REST APIs

CI/CD

AWS

Kubernetes

Information retrieval

Tools

Lucidworks Fusion

Solr/Lucene

Elasticsearch/OpenSearch

Azure AI Search

AEM

Kubernetes

Python

Java

REST

Job description

CTG, a Cegeka company, seeks a Senior Search Engineer for enterprise search and conversational AI. The role emphasizes hands-on design and optimization using Lucidworks Fusion and related platforms, with strong emphasis on RAG, embeddings, and secure AI integrations.

You will lead pipelines, support AWS/Kubernetes, and collaborate across product, security, and architecture teams in a 6‑month W2 contract, with remote work and ET hours. Occasional travel for meetings is required.