✦ Luna Orbit — Database Administration

Senior Database Administrator (MongoDB/PostGreSQL)

at Marsh & McLennan

Hybrid Posted March 13, 2026
Type Not Specified
Experience mid
Exp. Years 3-5 years
Education Bachelor's degree
Category Database Administration

This role involves supporting and maintaining MongoDB and PostgreSQL databases, ensuring high availability, performance, and disaster recovery readiness in a hybrid environment.

  • Build/Configure MongoDB and PostgreSQL clusters
  • Monitor database uptime and performance
  • Implement backup and recovery procedures
  • Design high-availability and disaster recovery plans
  • Support database upgrades and capacity planning

The technical scope includes managing MongoDB and PostgreSQL databases, configuring replication, sharding, and extensions like PostGIS and pgAudit, with scripting and Linux/Unix expertise.

The ideal candidate is a mid-level database administrator with 3+ years of experience supporting MongoDB and PostgreSQL databases, including configuration, performance tuning, backup, and recovery. They should be proficient with Linux/Unix environments and scripting.

MongoDBPostgreSQLDatabase configurationPerformance tuningBackup and recoveryMonitoringReplicationShardingDockerLinux/Unix
PostGISpgAuditCloud database managementDatabase upgrade experienceSupport for cloud-based PostgreSQL
MongoDBMongoDB AtlasPostgreSQLDockerPostGISpgAuditLinuxUnixShell ScriptingPython
MongoDBPostgreSQLDatabase SupportBackup and RecoveryMonitoringReplicationShardingDockerLinuxUnixShell ScriptingPython
MongoDBMongoDB AtlasPostgreSQLDatabase SupportDatabase ConfigurationDatabase Backup and RecoveryDatabase MonitoringReplicationShardingPostGISpgAuditLinuxUnixShell ScriptingPythonDockerDatabase Performance TuningHigh AvailabilityDisaster RecoveryCapacity PlanningDatabase Upgrade
Problem-solvingAnalytical skillsCollaborationCommunicationWork under pressureContinuous improvement

Required

None specified

Preferred

None specified
Industry Finance, Banking, Data Services
Job Function Database administration and support for MongoDB and PostgreSQL environments
Role Subtype Database Administrator
Tech Domains MongoDB, PostgreSQL, Docker, Linux, Windows
MongoDBMongoDB AtlasPostgreSQLDatabase AdministratorDatabase SupportDatabase ConfigurationBackup and RecoveryMonitoringReplicationShardingPostGISpgAuditLinuxUnixShell ScriptingPythonDockerHigh AvailabilityDisaster RecoveryCapacity PlanningDatabase Upgrade

Lack of experience with MongoDB or PostgreSQL, No support or configuration experience, Inability to work with Linux/Unix systems, No scripting skills (Shell, Python)

Apply for this Position →

Get matched to jobs like this

Luna finds roles that fit your skills and career goals — no endless scrolling required.

Create a Free Profile