Friday, March 6, 2026

Urgent requirement of Senior MongoDB DBA (Sharding | Ops Manager | AWS Migration)

Hi,

This is Diksha Chaudhary  working with Novia Infotech. We have the below contract job opportunity with one of our direct clients and would like to check if you have any resources available. Please send across the resume of your consultants along with the contact information at the earliest to diksha.c@noviainfotech.com.

Role: Senior MongoDB DBA (Sharding | Ops Manager | AWS Migration)

Location: Sunnyvale, CA or Austin, TX (5 Days/Week Onsite – PST Hours Required)

 Duration: : 12+ Months

Interview type: Telephonic / video

Description:

 

We are seeking a highly experienced MongoDB DBA to design, configure, secure, and optimize enterprise-scale MongoDB environments.

The ideal candidate must have strong expertise in replica sets, sharded clusters, MongoDB Ops Manager, X509/TLS security implementation, performance tuning, and AWS migration, with hands-on experience in Linux environments.


Core Responsibilities

Cluster Architecture & Configuration

  • Design, install, and configure:
    • Multi-node MongoDB replica sets
    • Sharded clusters on Linux platforms
  • Convert replica sets to sharded clusters to support data growth and query optimization.
  • Add/remove replica and shard nodes as needed.
  • Implement range-based and hash-based sharding strategies.
  • Ensure even data distribution via optimal shard key selection.

MongoDB Ops Manager Administration

  • Configure MongoDB Backup & Restore Service (BRS).
  • Onboard replica sets and sharded clusters into Ops Manager.
  • Manage Ops Manager upgrades.
  • Administer projects and groups within Ops Manager.
  • Monitor cluster health and performance metrics.

Security & Compliance

  • Implement MongoDB security enhancements using:
    • X509 authentication
    • TLS/SSL encryption
  • Configure SSL key files across mongod instances.
  • Manage authentication and authorization mechanisms.
  • Ensure compliance with enterprise security standards.
  • Document security configurations and audit processes.

Backup, Automation & Monitoring

  • Automate backup, restore, and monitoring processes using:
    • Python
    • Shell scripting
  • Develop scripts to improve operational efficiency.
  • Ensure reliable disaster recovery mechanisms.

Performance Tuning & Query Optimization

  • Analyze and optimize query plans.
  • Create text indexes for document search optimization.
  • Tune performance at:
    • Host level
    • Database level
  • Monitor and optimize replication architecture and change streams.

Upgrades, Migration & Cloud

  • Perform MongoDB upgrades (e.g., 4.0 → 4.x).
  • Migrate MongoDB clusters to AWS.
  • Deploy, monitor, analyze, and tune cloud-based Mongo environments.

Required Skills

  • Strong experience with MongoDB replica sets and sharded clusters
  • In-depth knowledge of MongoDB Ops Manager
  • Expertise in MongoDB security (X509, TLS, SSL)
  • Strong Linux administration experience
  • Performance tuning and query plan analysis expertise
  • Scripting skills (Python, Shell)
  • Experience with AWS migration
  • Strong understanding of MongoDB replication architecture

Ideal Candidate Profile

This role fits someone who:

  • Has managed large-scale, production MongoDB environments
  • Has hands-on sharding and cluster redesign experience
  • Has executed major version upgrades
  • Is comfortable operating in secure, compliance-heavy enterprise environments
  • Can work onsite in PST hours

 

 

'

Diksha Chaudhary
US IT Recruiter

www.noviainfotech.com 

E: diksha.c@noviainfotech.com
A: 4421 Avenida Ln, McKinney, TX, 75070

 

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