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Enterprise Search Tech Lead
3MEnterprise Search Tech Lead collaborating with 3Mers to enhance AWS OpenSearch solutions. Leading technical decisions for search and mentoring developers in a dynamic environment.
Posted 7/1/2026full-timeMaplewood • Minnesota, Texas • 🇺🇸 United StatesSenior💰 $145,676 - $178,049 per yearWebsite
Tech Stack
Tools & technologiesAirflowAWSElasticSearchJavaKafkaMavenSpringSpring BootSpringBoot
About the role
Key responsibilities & impact- Collaborate with Innovative 3Mers Around the World
- Lead design, development, and optimization of enterprise search solutions built on AWS OpenSearch to improve relevance, scalability, and AI-readiness across digital platforms
- Own technical decisions across the full search stack: ingestion pipelines (Spring Boot/Batch, Kafka), search APIs, index design, and infrastructure-as-code
- Drive platform evolution toward hybrid retrieval (lexical + semantic/vector search) to support RAG, LLM grounding, and agentic AI use cases
- Create and maintain comprehensive technical documentation including C4 architecture models, system design diagrams, and operational runbooks
- Mentor and lead developers on the search engineering team, conducting code reviews, and raising engineering standards
- Partner with the domain architect on long-term strategy while independently executing complex platform changes
- Build and maintain Airflow-orchestrated ingestion workflows, monitoring/alerting systems, and CI/CD pipelines
- Support cross-functional teams by troubleshooting search issues, monitoring system health, and partnering with consuming applications (product navigator, digital commerce, AI assistants)
- Willingness to be on-call in the event of critical issues requiring timely resolution.
Requirements
What you’ll need- Bachelor's degree or higher in computer science, information systems, or Technology field
- Five (5) years of search-related development experience in a private, public, government, or military environment
- Seven (7) years of overall software engineering experience in a private, public, government or military environment
- Experience with AWS OpenSearch/Elasticsearch: index design, analyzers/tokenizers, synonyms, aggregations, relevance tuning, and performance optimization
- Experience with Java 17+, Spring Boot, Spring Batch, and multi-module Maven projects
- Experience with Kafka/MSK messaging — producers, consumers, and stream processing
- Experience with AWS services (S3, IAM, Lambda, MSK, ECS, CloudWatch, EFS)
- Strong understanding of search fundamentals (BM25, relevance tuning, autocomplete, vector search)
- Experience with embeddings, vector databases, or RAG pipelines for LLM applications
- Experience building and operating Airflow DAGs for data pipeline orchestration
- Experience modernizing legacy search platforms or migrating between search engine versions
- Familiarity with search analytics, A/B testing for ranking, and relevance measurement (NDCG, MRR)
- Demonstrated ability to document complex systems — C4 model, architecture decision records, or equivalent.
Benefits
Comp & perks- Medical, Dental & Vision
- Health Savings Accounts
- Health Care & Dependent Care Flexible Spending Accounts
- Disability Benefits
- Life Insurance
- Voluntary Benefits
- Paid Absences
- Retirement Benefits
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
Search-Related DevelopmentIndex DesignRelevance TuningPerformance OptimizationVector SearchEmbeddings and Vector DatabasesC4 Architecture DocumentationSystem Design DiagramsOperational RunbooksLegacy Search Platform Modernization
Soft Skills
MentoringCollaborationProblem-SolvingTechnical Leadership