Database Engineer: Performance, Security & Disaster Recovery

Harbinger Systems

United States

Remote

USD 110,000 - 140,000

Full time

7 days ago
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Job summary

Harbinger Systems is seeking a skilled Database Administrator/Developer to design, optimize, and maintain robust database solutions across PostgreSQL, SQL Server, Oracle, MySQL, and MongoDB. You will collaborate with development and infrastructure teams to ensure performance, security, and data integrity.

The role involves tuning, backup/recovery planning, and implementing automation and monitoring tools to support smooth deployments and migrations.

Qualifications

  • Experience designing robust database solutions and optimizing performance.
  • Proficient with PostgreSQL and PL/pgSQL programming.
  • Strong knowledge of SQL Server, Oracle, MySQL or MongoDB is a plus.

Responsibilities

  • Design, develop, and maintain robust database solutions.
  • Manage and administer databases such as SQL Server, Oracle, MySQL, PostgreSQL, or MongoDB.
  • Monitor performance and implement tuning strategies.
  • Backup, recovery, replication, and disaster recovery planning.
  • Ensure security, compliance, and data integrity.
  • Troubleshoot issues and analyze root causes.
  • Develop and optimize complex SQL queries, procedures, and triggers.
  • Support deployments and migrations.
  • Implement monitoring and automation solutions.
  • Collaborate with development, infrastructure, and business teams.
  • Create and maintain technical documentation and procedures.

Skills

PostgreSQL PL/pgSQL
C# / .NET
ADO.NET / Npgsql
Query tools
Version control
Deployment IIS
Migration tools
Monitoring
AI-assisted SQL tools

Tools

pgAdmin
DBeaver
SQL Profiler
EXPLAIN ANALYZE
Flyway
Liquibase
Git
SVN
TFS
Copilot / Claude Code

Job description

Harbinger Systems is seeking a skilled Database Administrator/Developer to design, optimize, and maintain robust database solutions across PostgreSQL, SQL Server, Oracle, MySQL, and MongoDB. You will collaborate with development and infrastructure teams to ensure performance, security, and data integrity.

The role involves tuning, backup/recovery planning, and implementing automation and monitoring tools to support smooth deployments and migrations.

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