Database Administrator, Infrastructure

Responsibilities

• Support the administration, monitoring, and reliability of production MySQL database systems
• Identify, investigate, and tune problematic queries to ensure optimal performance
• Participate in database performance analysis, capacity planning, and operational readiness reviews
• Support database-related incident response, including investigation and remediation
• Contribute to infrastructure-as-code workflows and automation for database operations
• Collaborate with engineering and security teams to improve schema design and compliance

Requirements

• At least 4 years of professional experience administering MySQL or similar relational databases in production
• Experience supporting cloud-hosted database systems, preferably AWS RDS or Aurora
• Familiarity with database monitoring, alerting, backup, recovery, and replication
• Comfort working with infrastructure-as-code tools and automated workflows
• Eligibility and willingness to obtain and maintain UK police security vetting (NPPV3 and/or SC clearance)
• Strong written and verbal communication skills

Preferred Qualifications

• Experience with Azure database services
• Experience with microservices-based architectures
• Experience supporting SaaS platforms or regulated public sector environments
• Experience working with incident management, SLOs, and SLAs

Benefits

• Market competitive total compensation
• Base salary and bonus opportunity
• Equity options
• Comprehensive benefits package

About the Company

Mark43 is a trusted leader in public safety technology, providing a secure, all-in-one platform for agencies to save time, stay compliant, and ensure community safety. We build powerful, scalable, and elegant software that sets a new standard for the tools upon which first responders rely.