Oracle Data Guard Experts in Germany
matched in minutes by AIHire experts who design standby database architectures, configure Data Guard Broker and resolve switchover or failover issues across Oracle environments. FRATCH connects you with vetted, available freelancers through fast, precise AI matching.
Meet FRATCH Experts in Germany, who have recently used Oracle Data Guard
Kai P.
Last position:
Oracle Project Management and DBA at Scope Solutions AG
- Installation, maintenance and regular upgrade of the DB systems with 19x
- Use of OPatch and RU 19.27 on RHEL 8x, SLES 15.x and Windows
- DBA for DACH and European customers in production and last test environments (e.g. Konrad Adenauer) as well as others in CDB
- Processes via Confluence
- Support in operations for customers SR via Metalink
Matthias W.
Last position:
DevOps Engineer at Interhyp AG
- Infrastructure management with Puppet and Terraform for consistent environments
- Maintenance and adaptation of Terraform scripts for Azure cloud deployment
- Migration of database systems and services to the Azure cloud
- Introduction of GitOps with ArgoCD for fully automated deployments
- Adaptation and development of GitHub pipelines for CI/CD workflows
- Creation of Helm Charts for standardized deployments
- Migration of repositories from Bitbucket to GitHub
- Operation and performance optimization of an Oracle 19c grid cluster (RAC, Dataguard)
- Setup and management of MongoDB instances (on-premise and Azure Kubernetes)
- Setup of PostgreSQL clusters in on-premise and Azure Kubernetes environments
- Migration of services, master data, and stored procedures from Oracle to PostgreSQL
- Troubleshooting and performance tuning of complex data infrastructures
- Installation, configuration, and upgrade of Tableau in the productive BI environment
- Development of sanity checks to monitor business processes and application logic
- Adaptation of the backup and recovery strategy to new requirements
- Carrying out disaster recovery and point-in-time recovery
- Technologies used: Oracle 19c RAC Grid Dataguard, PostgreSQL 16, MongoDB, MySQL Cluster, Kubernetes (Azure), Tableau, Puppet, Terraform, ArgoCD, GitHub/Bitbucket, CheckMK, Prometheus, Grafana, Icinga2, Ubuntu/RHEL
Marko O.
Last position:
System Administrator in a 6-person Team at FITS
- System administration of FreeBSD 11, 12 and 13.1 in a secure cloud software solution
- Administration of proxy servers for FITS and its clients, banks and state banks
- Administration of secure internet solutions
- Administration of secure mail solutions and mail gateways
- Administration of Apache 2.4 web servers
- Planning and maintenance of servers and network components in FNT Command
- Incident, change and ticket handling, especially troubleshooting network issues using Splunk and ARS
- Troubleshooting and log file analysis using Splunk Enterprise
- Monitoring with Nagios
- Ordering, provisioning and installation of certificates on Apache web servers, Nginx web servers and load balancers
- Hardware: HP ProLiant DL380 Gen 9 and 10, Cisco Catalyst
- Software: FreeBSD 11, 12 and 13.2, FNT Command, shell scripts, MySQL databases, ServiceNow, ARS, Splunk Enterprise 8.15
Mahdi F.
Last position:
Senior Product Designer at Tino 24/7
- German emergency service management software for veterinarians.
- Designed end-to-end scheduling flows for complex availability logic at scale, directly applicable to AI-driven matching flows and multi-state candidate journeys.
- Built the entire design system from scratch, defining component architecture and scalable UI patterns across web and mobile.
- Improved the dashboard via user research and A/B testing, driving a 67% increase in user adoption and 85% boost in client satisfaction.
Mike K.
Last position:
Consultant at Capgemini
- Operation, administration, and further development of an Oracle 21c database environment on Oracle Linux, including performance analysis, troubleshooting, and PL/SQL
- Setup and operation of a Kubernetes environment on AWS (EKS)
Skills: Oracle 21c DBA, Oracle Linux, Kubernetes, AWS
Jakub S.
Last position:
Oracle Consultant at Airline Sector
- Microsoft Azure: design, sizing, and capacity analysis including PoC
- Microsoft Azure: final implementation for migration from on-prem RAC to single instance Data Guard
- Performance tuning and troubleshooting for crew management systems (pilots and briefings)
- Design and implementation of a disaster recovery-aware system based on RAC Extended Cluster and Data Guard
- OEM: Oracle Cloud Control maintenance, installation and upgrades (12.1.0.5 > 13.3 > 13.5)
- OEM: creating an agent golden image with new RU and security fixes for a full-scale environment
- OEM agent upgrade
- OEM: developing custom metric extensions and reports
- OEM: full monitoring setup with template collection and monitoring templates and incident rule configuration
- Upgrades: GI from 11.2.0.4 to 12.1.0.2, to 18.4, to 19.6+
- Upgrades: databases from 11.2.0.2 to 12.1.0.2, to 19.18+
- Redesign and license optimization based on Oracle SE on ODA and DBVisit
- Design of a virtualized platform based on OLVM and license optimization using hard partitioning
- Migration of databases from bare metal to OLVM
Serkan K.
Last position:
Operation and Maintenance of Oracle Middleware Products at LBV - Landesamt für Besoldung und Versorgung Baden-Württemberg
- Patch management
- Support in database development
- Installation and upgrades of the following Oracle systems:
- Oracle Analytics Server (6.4)
- Oracle Enterprise Manager Fusion Middleware Control
- Oracle Data Integration Server
- Oracle BI Administration Tool
- Oracle WebLogic
Jürgen B.
Last position:
Database Administrator and Performance Tuning Specialist at ALD Automotive Leasing Deutschland
- Database administration and performance tuning for Oracle databases on AIX 7.1, 7.2 with Oracle 12c and 19c
- Troubleshooting and resolution on RHEL 7
- Automation of operations with UNIX/Linux shell scripts, Perl programs, and PL/SQL
- Planning, preparation, execution, and customer-specific review of changes and upgrades for the LEASMAN and DOXIS applications
- Incident handling including communication with outsourcing service providers and business units
- Data exchange with Data Pump
- Visualization of database content and monitoring results
- Configuration of databases for Debezium and monitoring Debezium activities
- Preparation of Oracle databases for migration to cloud environments
- Implementation and monitoring of NIST requirements in databases
- Automation of release upgrades for the LEASMAN application
- Creation of operations manuals and instructions
- Generation of reports for GDPR information requests
Christopher E.
Last position:
Senior Oracle DBA and WebLogic Administrator, Oracle Business Intelligence for Applications
- Oracle databases 11g, 12c and 19c RAC
- Installation, configuration and deployment of Oracle Fusion Middleware 11g & 12c (WebLogic, SOA, Oracle Forms and Report Server, etc., OBIA)
- Administration of Oracle 11g, 12c, RAC and 19c
- Applying patches
- Installation, configuration and deployment of Tomcat
- Oracle tuning
- The system includes several production, QA, test & development Oracle databases and WebLogic application servers 11g & 12c
Adrian H.
Last position:
Interim Consultant for Oracle Database Migrations to the AWS Cloud at Bank Deutsches Kraftfahrzeuggewerbe GmbH
- Migration of Oracle databases from on-premise to the AWS Cloud
- Support for technical Oracle solutions and cloud database infrastructures (IaaS and PaaS) RDS vs. EC2, sizing for performance
- Creation and maintenance of DR/HA (Disaster Recovery/High Availability) and backup and recovery policies and procedures (multi-region backup)
- Support for Oracle license selection, Enterprise → Standard migration
- Monitoring database instances
- Implementation and maintenance of database security (wallet, SSL)
- Patch management and version control
- Automated installation and configuration of Oracle databases using Terraform and Ansible
Mahmoud R.
Last position:
Database Administrator at Deutsche Pfandbriefbank
- Provision and operation of Oracle databases within the agreed service levels.
- Storage administration using Oracle ASM feature.
- Oracle Grid Infrastructure and database patching.
- Ensure SLAs and operational KPIs are met, coordinating internal and external support during major incidents.
- Create and exercise reliable backup strategies and periodic restorations.
- Plan and execute migrations from non-multitenant to multitenant architectures and consolidate databases into multiple containers.
- Configure Oracle database authentication with Kerberos.
- Deploy and administer Azure Database for PostgreSQL (Flexible Server) including configuration, scaling, and high availability setup.
- Migrate on-premises PostgreSQL databases to Azure using pg_dump/pg_restore, pg_dumpall, and Azure Database Migration Service.
- Configure backup and point-in-time restore policies for compliance and recovery objectives.
- Implement monitoring and alerting with Azure Monitor, Log Analytics, and custom dashboards.
- Perform query performance tuning by analyzing execution plans, optimizing indexes, and adjusting parameters (work_mem, shared_buffers, autovacuum).
- Collaborate with developers to implement schema design improvements, partitioning, and connection pooling (PgBouncer) for scalability.
Andreas B.
Last position:
Oracle Applications DBA at Pyur
- EBS 12.1 to 12.2.11 upgrade (DB 12 to 19)
- Cloning process automation
- HTTPS migration
- Performance analysis and performance tuning
- Error analysis
- Cloning
- Patching
- Backup and recovery concept analysis and evaluation
- Disaster recovery tests
Eric N.
Last position:
Data Engineer at Creditsafe Deutschland GmbH
Werner H.
Last position:
Insurance company
- Migrations of DB2 databases to Oracle
- Design and setup of new databases based on ODA X7-HA / X9-HA RAC 12cR2 - 19.23 / Data Guard / GI 19c
- Hardware: ODA X7 X9 / IBM
- Software: Oracle 12c-19.23 / Oracle Linux Enterprise 7.1–8.8
Sebastian D.
Last position:
Senior IT System Administrator at LKA Thuringia
Discover over 15,000 top freelancers
Statistics of experts using Oracle Data Guard
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
3 years
Positions per freelancer
19
Top business areas
Information Technology, Operations, Project Management
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Information Technology, Business Intelligence, Operations
Bachelor's degree or higher
73%
Master's degree or higher
45%
Certifications per freelancer
3
Most common languages
English, German, French
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Germany using Oracle Data Guard
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Oracle Data Guard experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (100%)
- Banking and Finance (93%)
- Government and Administration (60%)
- Telecommunication (53%)
- Automotive (40%)
- Energy (40%)
- Transportation (40%)
- Aerospace and Defense (33%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
What Data Guard does
Oracle Data Guard protects Oracle databases by maintaining synchronized standby databases for disaster recovery and business continuity. It transports and applies redo data from a primary database to one or more standby systems. Companies use it to reduce downtime, support controlled maintenance and recover from infrastructure failure.
Core configurations
Physical standby databases reproduce the primary database at the block level and suit high-fidelity recovery scenarios. Logical standby and snapshot standby configurations support different reporting, testing and change requirements. Strong specialists assess availability targets, data protection needs and operational constraints before selecting a design.
Ecosystem and tooling
Oracle Data Guard works with Oracle Database, Data Guard Broker, Enterprise Manager and Recovery Manager. Professionals also work with Oracle Real Application Clusters, Automatic Storage Management, Oracle Active Data Guard and cloud or engineered-system deployments. They automate checks with SQL, broker commands and monitoring scripts.
- Configure redo transport, protection modes and standby redo logs
- Manage switchover, failover and reinstatement procedures
- Test recovery workflows and document operating runbooks
When specialists help
Companies bring in freelance expertise during database migrations, data-centre changes, audit preparation or recovery redesigns. Support is also valuable when an existing standby falls behind, broker configuration becomes unreliable or recovery procedures have never been tested. In Germany, remote work often combines with planned on-site sessions for controlled production changes.
Delivery and troubleshooting
A capable professional reviews the primary and standby topology, network paths, storage, licensing assumptions and operational ownership. They investigate transport gaps, apply lag, archive-log issues, listener problems and role-transition errors without treating symptoms in isolation. Clear runbooks, monitoring thresholds and rollback decisions make the result usable by the internal team.
What good looks like
The right specialist understands both Oracle internals and the business impact of an unavailable database. They explain trade-offs between synchronous and asynchronous transport, validate recovery point and recovery time expectations, and rehearse incidents with stakeholders. German or English communication may be important when infrastructure, security and operations teams are distributed across locations.
Frequently asked questions
Before you brief your next project: the most common questions about Oracle Data Guard.
Oracle Data Guard is used to maintain standby databases for disaster recovery, planned maintenance and business continuity. It can support controlled switchovers, emergency failovers and data protection across separate systems or locations.
Oracle Data Guard protects against database or site-level failure by maintaining a separate standby database. Oracle Real Application Clusters, or RAC, primarily improves availability within a clustered environment, so companies often use the technologies together rather than treat them as direct substitutes.
Oracle Data Guard work benefits from strong Oracle Database administration, RMAN backup and recovery, SQL, networking and Linux knowledge. Familiarity with Data Guard Broker, Oracle RAC, ASM, Enterprise Manager and cloud infrastructure is also useful for complex environments.
Oracle Data Guard projects vary by risk and scope. A simple standby review may need focused specialist input, while a production redesign requires proven experience with protection modes, role transitions, recovery testing, monitoring and incident response.
Oracle Data Guard can often be designed, monitored and documented remotely through controlled access and secure collaboration. On-site work may still be appropriate for hardware changes, restricted environments, production cutovers or recovery exercises, with German or English communication agreed in advance.
Oracle Data Guard expertise is valuable before a migration, data-centre move or major maintenance window, and when a standby is lagging or recovery procedures are uncertain. An independent specialist can review the design, test failure scenarios and transfer practical knowledge to the internal team.
Oracle Data Guard quality is shown by structured discovery, clear recovery assumptions and evidence of tested procedures. Ask how the professional handles redo transport failures, broker states, switchover risks, archive-log gaps and communication during a live incident.
Oracle Data Guard engagements commonly produce an architecture review, configuration record, monitoring guidance and recovery runbook. Strong professionals also provide test results, role-transition steps, escalation criteria and recommendations that the operations team can maintain after handover.
The average hourly rate of freelancers in Germany who have used Oracle Data Guard in their recent projects is 96 €, which corresponds to a daily rate of about 768 € based on an 8-hour working day.
Of the freelancers in Germany who have used Oracle Data Guard in their recent projects, 73% hold at least a Bachelor's degree and 45% hold at least a Master's degree.
On average, freelancers in Germany who have used Oracle Data Guard in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 3 years.
The most common languages among freelancers in Germany who have used Oracle Data Guard in their recent projects are English (100%), German (93%), and French (47%).
The most common industries among freelancers in Germany who have used Oracle Data Guard in their recent projects are Information Technology (100%), Banking and Finance (93%), and Government and Administration (60%).
The most common business areas among freelancers in Germany who have used Oracle Data Guard in their recent projects are Information Technology (100%), Operations (80%), and Project Management (67%).
Main locations of FRATCH Experts, who have recently used Oracle Data Guard
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
