Senior Database Administrator Consultant
Summary
Maintains and optimizes enterprise Linux-based database systems (Oracle, PostgreSQL, MS SQL) in a high-availability environment, troubleshooting issues and ensuring 24/7 reliability with on-call duties.
Type of contract: B2B contract
Salary range: 125 - 160 PLN/h
What will you do?
You will support mission-critical Linux-based platforms within enterprise infrastructure, providing hands-on database administration and production support for systems such as IBM Sterling File Gateway, IBM Connect:Direct and BMC Control-M in a high-availability environment with on-call responsibilities and regular maintenance activities
Your tasks:
- Install configure and maintain Oracle PostgreSQL and MS SQL databases
- Perform database patching upgrades and lifecycle management
- Execute backup restore and recovery validation procedures
- Troubleshoot and tune database performance issues
- Manage database capacity planning and optimization
- Analyze and resolve production incidents related to databases
- Contribute to root cause analysis for incidents
- Perform log analysis on database and Linux levels
- Stabilize systems after releases and changes
- Participate in major incident bridges
- Collaborate with Linux and application teams
- Troubleshoot interactions between database application and OS layers
- Validate database health and availability
- Execute production changes during maintenance windows including weekends
- Perform pre and post change validations
- Provide risk assessment input for database changes
- Participate in on call rota and out of hours support
Requirements
- 5+ years of experience as DBA in production environments
- Strong knowledge of Linux RHEL
- Hands on experience with Oracle PostgreSQL and MS SQL
- Experience supporting mission critical systems
- Strong troubleshooting skills under pressure
- Experience with backup and recovery
- Experience with replication and high availability solutions
- Experience in performance tuning
- Experience with log analysis
- Openness to work hybrid from our client office 6 days a month
Nice to have:
- Shell scripting or basic automation skills
- Experience with IBM Sterling File Gateway
- Experience with IBM Connect Direct
- Experience with BMC Control-M
- Experience in financial services or regulated environments
- Experience supporting batch or file transfer platforms