Sr Data Platform Engineer - MongoDB

Reporting to the Manager, Database Administration, the Sr Data Platform Engineer - MongoDB will provide expert-level MongoDB database design, development, maintenance, and problem resolution services for internal and external customers. They will manage highly resilient MongoDB infrastructure across on-premises and cloud environments (AWS) utilized by GHX DaaS/SaaS solutions. The Sr MongoDB DBA will work with various operational and development teams to plan, design, implement, and support core MongoDB database functionality that meets company initiatives with respect to performance, scalability, reliability, and adherence to operational policies and principles.

Roles and Responsibilities:

MongoDB Administration & Architecture:

Design, implement, and maintain MongoDB replica sets, sharded clusters, and standalone instances across production, staging, and development environments

Architect MongoDB solutions for high availability, disaster recovery, and horizontal scaling using sharding strategies

Perform capacity planning and performance tuning for MongoDB workloads, including index optimization, query analysis, and WiredTiger cache management

Monitor MongoDB cluster health using tools like MongoDB Cloud Manager, Ops Manager, or third-party monitoring solutions (Datadog, Elastic)

Design and implement backup and recovery strategies using mongodump, Ops Manager backups, AWS snapshots, or third-party solutions

Operations & Automation:

Automate MongoDB deployment, configuration, and maintenance tasks using Infrastructure as Code (Terraform, Ansible, CloudFormation)

Implement monitoring and alerting for MongoDB metrics including replication lag, oplog size, connection pools, cache utilization, and slow queries

Perform MongoDB upgrades (version and patch releases) with minimal downtime using rolling upgrades and blue-green deployment strategies

Manage MongoDB security including authentication (LDAP, x.509), authorization (RBAC), encryption at rest, and TLS/SSL configuration

Troubleshoot production incidents including replica set failovers, performance degradation, and replication issues

Collaboration & Guidance:

Provide guidance and mentorship to junior database engineers on MongoDB best practices, schema design, and operational procedures

Collaborate with application development teams on MongoDB schema design, query optimization, and data modeling strategies

Partner with DevOps and Infrastructure teams on MongoDB deployment automation, container orchestration (Kubernetes), and cloud infrastructure

Participate in change management processes, incident response, and on-call rotation for production MongoDB clusters

Safeguard the company's data, tools, and information systems by adhering to Operational and Security policies and procedures throughout the lifecycle of service delivery

Required Qualifications

Bachelor's degree from an accredited college in CS or related discipline or equivalent experience

5-8 years' experience in Database Administration with at least 3 years of hands-on MongoDB experience

Expert-level knowledge of MongoDB architecture including replica sets, sharding, oplog, WiredTiger storage engine, and index structures

Proven experience managing MongoDB in high-transaction, high-availability production environments (24x7 uptime requirements)

Strong understanding of MongoDB performance tuning, query optimization, and index design patterns

Experience with MongoDB backup and recovery strategies including point-in-time recovery and disaster recovery planning

Hands-on experience with AWS cloud services (EC2, EBS, S3, CloudWatch) and MongoDB deployment on AWS

Experience with Linux/Unix operating systems and shell scripting (bash, Python) for automation

Familiarity with at least one additional database platform (MySQL, PostgreSQL, MS SQL, Redis, or Elasticsearch)

Experience with configuration management and automation tools (Terraform, Ansible, or similar)

Preferred Skills

MongoDB Certified DBA Associate or Professional certification

Experience with MongoDB Atlas (managed MongoDB service) or MongoDB Cloud Manager/Ops Manager

Knowledge of NoSQL data modeling patterns and anti-patterns for document databases

Experience with MongoDB change streams, aggregation pipelines, and time-series collections

Familiarity with MongoDB security frameworks including LDAP integration, encryption at rest/in-transit, and audit logging

Experience with containerized MongoDB deployments (Docker, Kubernetes, MongoDB Kubernetes Operator)

Knowledge of MongoDB monitoring tools (PMM, Datadog, Elastic, CloudWatch)

Strong critical thinking, analytical and problem-solving skills

Interpersonal skills with a strong orientation towards customer service

Excellent written and oral communications skills with demonstrated commitment to production of high-quality documentation

Excellent team player with good experience working with departmental and cross functional teams

Experience with Infrastructure as Code (IaC) and GitOps workflows

Estimated salary range for this position: $114,000 - $152,000

The base salary range represents the anticipated low and high end of the GHX’s salary range for this position. The base salary is one component of GHX’s total compensation package for employees. Other rewards and benefits include: health, vision, and dental insurance, accident and life insurance, 401k matching, paid-time off, and education reimbursement, to name a few. To view more details of our benefits, visit us here:  https://www.ghx.com/about/careers/

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GHX: It's the way you do business in healthcare Global Healthcare Exchange (GHX) enables better patient care and billions in savings for the healthcare community by maximizing automation, efficiency and accuracy of business processes.

GHX is a healthcare business and data automation company, empowering healthcare organizations to enable better patient care and maximize industry savings using our world class cloud-based supply chain technology exchange platform, solutions, analytics and services. We bring together healthcare providers and manufacturers and distributors in North America and Europe - who rely on smart, secure healthcare-focused technology and comprehensive data to automate their business processes and make more informed decisions.

It is our passion and vision for a more operationally efficient healthcare supply chain, helping organizations reduce - not shift - the cost of doing business, paving the way to delivering patient care more effectively. Together we take more than a billion dollars out of the cost of delivering healthcare every year. GHX is privately owned, operates in the United States, Canada and Europe, and employs more than 1000 people worldwide. Our corporate headquarters is in Colorado, with additional offices in Europe.

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