Gerab System Solutions LLC jobs

<ul><li><p>Design, implement, and manage enterprise-grade Windows Server environments, including Active Directory, DNS, DHCP, Group Policy, File Services, and Identity Management.</p></li><li><p>Lead Microsoft 365 administration, migrations, and optimization projects covering Exchange Online, SharePoint Online, Microsoft Teams, Intune, and Entra ID.</p></li><li><p>Architect, deploy, and maintain virtualization platforms including VMware vSphere/ESXi, vCenter, Hyper-V, and hybrid cloud environments.</p></li><li><p>Plan and manage server, storage, and network infrastructure lifecycle activities including provisioning, upgrades, capacity planning, patch management, and performance optimization.</p></li><li><p>Design and implement cloud solutions across Microsoft Azure and AWS, including hybrid connectivity, IaaS, PaaS, backup, disaster recovery, and security services.</p></li><li><p>Manage enterprise backup and recovery platforms such as Veeam, Commvault, Azure Backup, or equivalent solutions.</p></li><li><p>Lead business continuity and disaster recovery initiatives, ensuring backup integrity, DR testing, compliance, and recovery readiness.</p></li><li><p>Implement and maintain cybersecurity solutions including email security, endpoint protection, identity security, privileged access management, and vulnerability remediation.</p></li><li><p>Develop infrastructure standards, architecture documentation, operational procedures, and technical governance frameworks.</p></li><li><p>Perform root cause analysis for critical incidents and provide advanced troubleshooting across infrastructure, cloud, virtualization, and Microsoft technologies.</p></li><li><p>Collaborate with vendors, stakeholders, and project teams to deliver infrastructure modernization, cloud migration, and digital transformation initiatives.</p></li><li><p>Mentor junior engineers and provide technical leadership for infrastructure projects and operational excellence.</p></li></ul><p><strong>Desired Candidate Profile</strong></p><ul><li><p>8-12 years of hands-on experience in enterprise infrastructure, systems administration, and cloud technologies.</p></li><li><p>Expert-level experience with Windows Server, Active Directory, Group Policy, DNS, DHCP, and File Services.</p></li><li><p>Strong expertise in Microsoft 365, Exchange Online, SharePoint Online, Teams, Intune, and Entra ID.</p></li><li><p>Extensive experience with VMware vSphere, ESXi, vCenter, Hyper-V, and virtualization best practices.</p></li><li><p>Hands-on experience with Microsoft Azure and AWS cloud services, including hybrid cloud deployments.</p></li><li><p>Experience with enterprise storage technologies, SAN/NAS platforms, and backup solutions.</p></li><li><p>Strong understanding of cybersecurity technologies, endpoint protection, email security, MFA, Conditional Access, and Zero Trust principles.</p></li><li><p>Experience with Disaster Recovery, Business Continuity, high availability solutions, and compliance requirements.</p></li><li><p>Strong troubleshooting, project management, documentation, and stakeholder management skills.</p></li><li><p>Experience leading infrastructure projects and mentoring technical teams.<br></p></li></ul><p><strong>Preferred Certifications</strong></p><ul><li><p>Microsoft Certified: Azure Administrator Associate (AZ-104)</p></li><li><p>Microsoft Certified: Azure Solutions Architect Expert (AZ-305)</p></li><li><p>Microsoft 365 Administrator Expert (MS-102)</p></li><li><p>AWS Certified Solutions Architect Associate</p></li></ul>

<section><p class="heading jdMain">Job Description</p><p class="heading">Roles &amp; Responsibilities</p><div class="paragraph"><p>We are seeking an experienced Senior Oracle Core Database Administrator with over 10 years of hands-on experience in designing, implementing, administering, upgrading, troubleshooting, and optimizing enterprise Oracle database environments. The ideal candidate must possess strong expertise in Oracle Database 19c, Oracle RAC, Oracle Data Guard with Fast-Start Failover (FSFO), Oracle GoldenGate Microservices 23ai, Oracle Enterprise Manager (OEM) 24ai, Oracle Audit Vault, database performance tuning, automation, and high availability solutions supporting mission-critical production environments.</p><p><strong>Key Responsibilities</strong></p><p><br></p><ul><li><p>Install, configure, administer, upgrade, migrate, patch, troubleshoot, and maintain Oracle Database 19c environments across Production, DR, UAT, QA, and Development.</p></li><li><p>Install, configure, administer, and support Oracle RAC 19c, Oracle Grid Infrastructure, and Oracle ASM.</p></li><li><p>Design, implement, administer, monitor, and troubleshoot Oracle Data Guard environments, including Active Data Guard, Data Guard Broker, Fast-Start Failover (FSFO), Switchover, Failover, and Disaster Recovery testing.</p></li><li><p>Install, configure, administer, monitor, and troubleshoot Oracle GoldenGate Microservices 23ai Hub architecture for Production and Disaster Recovery environments, including automatic failover, automatic detection of new primary databases following Data Guard role transitions, and continuous replication with minimal downtime.</p></li><li><p>Install, configure, administer, and monitor Oracle Enterprise Manager (OEM) 24ai for databases, RAC, ASM, Data Guard, GoldenGate, and infrastructure components, including alerting, incident management, compliance monitoring, reporting, and proactive health monitoring.</p></li><li><p>Perform Oracle database performance analysis and tuning by identifying and resolving database, SQL, PL/SQL, storage, memory, I/O, ASM, RAC, and application performance bottlenecks using AWR, ASH, ADDM, SQL Tuning Advisor, SQL Monitor, execution plans, optimizer statistics, and performance diagnostics to ensure optimal database performance and availability.</p></li><li><p>Develop advanced SQL, PL/SQL, Shell scripting, and automation solutions for database administration, health checks, monitoring, reporting, backup validation, maintenance activities, and operational efficiency.</p></li><li><p>Perform database cloning, refresh, migration, backup, recovery, logical export/import, and database refresh activities using RMAN, EXPDP, and IMPDP.</p></li><li><p>Plan and execute Oracle Release Updates (RU), OJVM patches, Grid Infrastructure patching, one-off patches, database upgrades, and security patching while minimizing business downtime.</p></li><li><p>Troubleshoot complex Oracle Database, RAC, ASM, Data Guard, GoldenGate, OEM, Audit Vault, and performance-related issues, perform root cause analysis (RCA), and coordinate with Oracle Support through Service Requests (SRs) to resolve critical production incidents.</p></li><li><p>Perform application data analysis, validation, verification, reconciliation, and integrity checks within the Oracle database to ensure data consistency and accuracy.</p></li><li><p>Prepare and maintain comprehensive technical documentation including Standard Operating Procedures (SOPs), installation guides, configuration documents, implementation plans, migration runbooks, rollback procedures, operational manuals, architecture diagrams, disaster recovery procedures, health check reports, RCA reports, patching and upgrade documentation, knowledge transfer documents, and other project deliverables as required by the customer.</p></li><li><p>Collaborate with application, infrastructure, network, storage, and security teams to deliver highly available, secure, and optimized database solutions while adhering to project timelines and service level agreements.</p></li><li><p>Participate in project planning, technical workshops, architecture reviews, change management, risk assessment, implementation planning, and production cutover activities.</p></li><li><p>Provide 24×7 production support and participate in planned maintenance, emergency support, and non-business-hour activities whenever required.</p></li></ul><p><strong>&nbsp;</strong></p><p><strong>Additional Professional Requirements</strong></p><p><br></p><ul><li><p>Excellent customer-facing, communication, presentation, and stakeholder management skills with the ability to interact confidently with technical teams, management, and business users.</p></li><li><p>Strong analytical and problem-solving skills with the ability to perform effectively under pressure and manage multiple critical priorities simultaneously.</p></li><li><p>Ability to understand customer business requirements and translate them into practical technical solutions while communicating effectively with both technical and non-technical stakeholders.</p></li><li><p>Professional attitude, strong business etiquette, customer service orientation, and the ability to represent the organization during customer meetings, workshops, audits, and onsite.</p></li><li><p>Demonstrated ability to work independently as well as within cross-functional teams while maintaining high standards of quality, documentation, and customer satisfaction.</p></li><li><p>Willingness to provide after-hours, weekend, holiday, and emergency support whenever required to maintain business continuity and meet SLA commitments.</p></li></ul></div></section><section><p class="heading">Desired Candidate Profile</p><p class="paragraph"></p><p><strong>Experience:</strong> 10+ Years in Core Oracle Apps DBA</p><br><p><strong>Required Technical Skills</strong><br></p><ul><li><p>Oracle Database 19c Administration</p></li><li><p>Oracle RAC 19c</p></li><li><p>Oracle Grid Infrastructure and ASM</p></li><li><p>Oracle Data Guard and Active Data Guard</p></li><li><p>Data Guard Broker with Fast-Start Failover (FSFO)</p></li><li><p>Oracle GoldenGate Microservices 23ai Hub Architecture</p></li><li><p>Oracle Enterprise Manager (OEM) 24ai</p></li><li><p>Oracle RMAN Backup and Recovery</p></li><li><p>Oracle Data Pump (EXPDP/IMPDP)</p></li><li><p>SQL, PL/SQL, and Shell Scripting</p></li><li><p>Oracle Database Performance Tuning (AWR, ASH, ADDM, SQL Tuning)</p></li><li><p>Linux / Oracle Linux Administration</p></li><li><p>Database Cloning and Migration</p></li><li><p>Automation and Scripting<br></p></li></ul><p><strong>Certifications (Mandatory)</strong><br></p><ul><li><p>Oracle Certified Associate (OCA) – Oracle Database 19c Administrator</p></li><li><p>Oracle Certified Professional (OCP) – Oracle Database 19c Administrator</p></li></ul><p></p></section>