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# MongoDB Cluster Administrator (TS/SCI with Polygraph)

- **Company:** Yellow Duck Technologies Inc.
- **Location:** Annapolis Junction, MD, United States
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Continuous Delivery, Continuous Integration, MongoDB, Spring-boot, Spring Data, Containerization, Kubernetes, Build Tools
- **Published:** September 27, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=c8b943e896fe98c6

## About the Role

* Must have an active TS/SCI clearance with polygraph.
 * Bachelor's degree in a technical discipline. An additional 4 years of experience may substitute for a Bachelor's degree.
 * 14+ years of experience.
 * A firm grasp of sharded MongoDB clusters. This includes monitoring house-keeping items like monitoring chunk migration and other mongo operations, helping pick shard keys, and monitoring the health of the cluster.
 * A deep understanding of Mongo's replication capabilities.
 * An understanding of tuning queries, managing indexes, and evaluating explain plans.
 * Experience monitoring critical functions of MongoDB.

Nice to Haves:

 * Experience with Java and Spring Boot.
 * Experience with containerization and orchestration technologies (e.g., Kubernetes).
 * Experience with automated build tools, continuous integration, and continuous deployment.

## Description

* Maintaining a large MongoDB cluster (20+ shards) for a mission critical application ecosystem.
 * Implementing and maintaining monitoring of cluster performance.
 * Working with application developers to appropriately interface with MongoDB via libraries like Spring Data.
 * Performing regular live upgrades of the MongoDB cluster.
 * Establish regular cluster backups and procedures for failover of the cluster.