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RAG Engineer

Specializes in semantic search, vector databases, hybrid retrieval, chunking pipelines, and grounding generative AI responses with enterprise knowledge.

RETRIEVAL_AGENTSO*NET-SOC: 15-1252.00Seniority: mid · senior · staffAliases: Retrieval-Augmented Generation Engineer, Vector Search Engineer, Knowledge Retrieval Architect

Core Responsibilities

  • Design document parsing, hierarchical chunking, and embedding generation pipelines
  • Tune vector index performance (HNSW, IVFFlat) and evaluate retrieval hit-rates against test ground truth

Skills Weighting (Durable vs Perishable)

RAG Architectures & Vector Search Optimizationexpert proficiency
PERISHABLE
Relational & NoSQL Database Internalscompetent proficiency
DURABLE

Qualifying Visa Routes For This Role

EU Blue Card Germany (§ 18g Aufenthaltsgesetz)
DE · Employer Sponsored2026 STATUTORY

EU Blue Card Germany (§ 18g Aufenthaltsgesetz)

German Diplomatic Mission abroad / Local Foreigners Authority (Ausländerbehörde) & Federal Employment Agency (BA) (BAMF National Coordination)

Primary work residence permit for university graduates and IT specialists with a binding job offer in Germany meeting statutory salary thresholds.

Statutory Minimum Threshold (2026)

Gross annual salary of at least EUR 45,934.20 for shortage tech occupations, qualifying new entrants, and experienced IT specialists (45.3% of BBG ceiling); or EUR 50,700 for general occupations (50% of BBG ceiling).

View Route Criteria3 statutory gates
Highly Skilled Migrant Scheme (Kennismigrantenregeling)
NL · Employer Sponsored2026 STATUTORY

Highly Skilled Migrant Scheme (Kennismigrantenregeling)

Immigration and Naturalisation Service (IND)

Fast-track residence permit for knowledge workers hired by an IND-recognized sponsor employer meeting age-stratified statutory salary criteria.

Statutory Minimum Threshold (2026)

Gross monthly salary (excl. 8% holiday allowance) of at least EUR 5,942 for age 30+, EUR 4,357 for under 30, or EUR 3,122 for reduced criterion (search year / top graduates).

View Route Criteria2 statutory gates
Singapore Employment Pass (EP) under Complementarity Assessment Framework (COMPASS)
SG · Employer Sponsored2026 STATUTORY

Singapore Employment Pass (EP) under Complementarity Assessment Framework (COMPASS)

Ministry of Manpower Singapore (MOM)

Professional work pass for foreign tech managers, architects, and specialists meeting qualifying salary benchmarks and scoring >= 40 points on COMPASS.

Statutory Minimum Threshold (2026)

Fixed monthly salary of at least SGD 5,600 (progressive with age, up to SGD 10,700 for senior applicants).

View Route Criteria2 statutory gates

Frequently Asked Questions

What are the core technical competencies required for a RAG Engineer?

A RAG Engineer focuses on Precision retrieval, reranking algorithms, reciprocal rank fusion (RRF), and vector indexing optimization. Core responsibilities include: Design document parsing, hierarchical chunking, and embedding generation pipelines, Tune vector index performance (HNSW, IVFFlat) and evaluate retrieval hit-rates against test ground truth.

What distinguishes a RAG Engineer from adjacent engineering roles?

Unlike adjacent roles, a RAG Engineer is specifically NOT expected to handle: Naive one-size-fits-all vector store dump without chunking strategies or semantic reranking. Seniority tracks encompass mid, senior, staff levels.

How are compensation benchmarks evaluated for a RAG Engineer?

Salaries for RAG Engineer are aggregated from verified statutory and market reports across 6 tech hubs, normalized with k ≥ 5 cohort suppression to preserve privacy, and evaluated across P10 to P90 percentiles.

Which international visa pathways apply to a RAG Engineer?

Qualifying roles in this family align with statutory shortage criteria under frameworks such as the Germany EU Blue Card (§ 18g AufenthG) and Netherlands Highly Skilled Migrant regulations.

AI Summary

RAG Engineer: Information retrieval specialist engineering hybrid BM25/Dense embedding retrieval, reranking pipelines, and contextual chunking.