Analysis Skills, Ansible, Auditing, Automation, Bash Scripting, CPU (Central Processing Unit), Capacity Management, Computer Security, Data Recovery, Database Administration, Firewalls, Identify Issues, Information/Data Security (InfoSec), Linux Administration, Linux Operating System, Maintenance Services, Memory Hardware, Microsoft SQL Server, Microsoft SQL Server DBA (Database Administration), Network Operations Center, Network Systems, Operating Systems, Performance Analysis, Performance Tuning/Optimization, PostgreSQL, Problem Solving Skills, Red Hat Linux Operating System, Replication and Remote Mirroring, Resource Utilization, Security Monitoring, Security-Enhanced Linux (SELinux), Software Patches, Systems Administration/Management, Systems Maintenance, Unix Shell Programming, User Account Administration
Database Administration
Datacenter operations / coordination with vendor for rack & stack, maintenance & new service builds
Install, configure, upgrade, and manage MS SQL Server and PostgreSQL databases across environments
Perform query tuning, index optimization, vacuuming, execution plan analysis, and overall performance tuning
Implement and maintain HA/DR solutions such as:
AlwaysOn
Log Shipping
Replication
Streaming Replication
Patroni
pgBackRest
Manage database security, roles, permissions, auditing, capacity planning, and storage optimization
Perform backup and restore operations for both SQL Server and PostgreSQL using appropriate strategies and tools
Monitor, troubleshoot, and resolve database issues related to performance, locks, replication, connectivity, and system-level components
Red Hat Enterprise Linux (RHEL) Administration
Monitor system performance, resource utilization, and availability to ensure optimal operations
Troubleshoot and resolve OS-level issues related to CPU, memory, storage, network, and system services
Manage user accounts, groups, file permissions, sudo access, and system hardening
Configure and maintain system security including firewall settings, SELinux policies, and patch compliance
Configure and troubleshoot core network services:
SSH
NTP
DNS
FTP
HTTP
Develop and maintain Bash shell scripts and Ansible playbooks for automation
Support Linux systems running in VMware, AWS, or Azure cloud environments
Collaborate with application teams for deployments and OS-level incident resolution
Document system builds, configurations, troubleshooting procedures, and runbooks
Participate in on-call rotation and respond to critical production incidents
Required Skills
8+ years of hands-on MS SQL / PGSQL DBA experience
Strong proficiency with SQL Server versions
Solid understanding of RHEL administration and Linux troubleshooting
Experience with Bash scripting and automation (Ansible preferred)
Knowledge of virtualization (VMware) and cloud platforms (AWS/Azure)
Strong analytical, troubleshooting, and documentation skills
Preferred Qualifications
Red Hat certification (RHCSA / RHCE)
Experience with automation tools such as Ansible
Experience in enterprise production environments