ohl / underground cable engineer

ohl underground cable engineer

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 Keep the databases behind a national platform fast, available, and safe, operating enterprise PostgreSQL and a polyglot estate of vector, graph, and search stores that power its applications and its AI, on sovereign infrastructure with no managed cloud to fall back on.
 
 RQMNA runs the sovereign data platforms that millions of citizens depend on every time they reach their government.
 
 
 We are hiring a Senior Database Engineer, on site in Muscat, to own the databases a national platform runs on, from transactional core to AI vector stores.
 
 
 What you'll do: Operate the platform's polyglot databases at national scale, fast, resilient, recoverable, and infused with AI/ML/DL/RL
 
 
 Key Responsibilities:
 
 Operate enterprise PostgreSQL as the primary transactional database across the platform, and tune it for performance under national load
 
 Design and run high availability, replication, and failover, with backup, recovery, and tested point in time restore
 
 Operate the vector databases behind the platform's AI: Milvus for large scale retrieval and RAG, and pgvector for vectors co-located in PostgreSQL
 
 Operate the graph database (Neo4j) for case correlation and entity relationships, and the search engine (Elasticsearch) for hybrid and full text search
 
 Run the specialized PostgreSQL workloads in production: geospatial (PostGIS), time series (TimescaleDB), and document (JSONB)
 
 Operate the in-memory distributed cache, a secondary enterprise relational store for select product catalogs, and the search-side vector retrieval
 
 Manage S3 compatible object storage and immutable, long retention archival, and plan capacity across the whole estate
 
 Run upgrades and patching with no surprise downtime, harden every store with encryption and access control, and automate database operations as code
 
 
 What makes you a fit:
 
 You have operated production databases at scale, and carried the pager for them
 
 You are a deep PostgreSQL engineer: replication, high availability, backup and recovery, and performance tuning
 
 You have run at least one vector database in production, such as Milvus or pgvector, for AI or RAG workloads
 
 You have operated a graph database such as Neo4j, or a search engine such as Elasticsearch, or you can clearly pick them up
 
 You are comfortable across a polyglot estate, relational, vector, graph, search, time series, and cache, and you pick the right store per workload
 
 You are at home on premises and sovereign, where there is no managed cloud database to lean on
 
 You hold a Bachelor's or higher in Computer Science, Engineering, or a related field, or equivalent depth
 
 You automate operations, take security and recoverability seriously, and you test your backups
 
 Bonus points for very large datasets, AI data infrastructure, or government and regulated environments
 
 Fluent English required; Arabic is a valuable advantage
 
 
 If you keep the data layer fast and unbreakable, from transactions to AI vectors, a nation will run on it. Apply.
 
 
 #Database #PostgreSQL #VectorDatabase #DBA #Hiring
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Senior Database Engineer

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Senior Database Engineer