Senior Database Administrator Consultant

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