freiberufler Lead Technologist, Senior Database Consultant, Automation and IT Operations Expert auf freelance.de

Lead Technologist, Senior Database Consultant, Automation and IT Operations Expert

offline
  • 80€/Stunde
  • 80-034 Gdańsk
  • Europa
  • pl  |  en  |  de
  • 26.09.2020

Kurzvorstellung

Highly qualified IT professional with 19 years of experience in Databases (Oracle and Postgres), IT automation, DevOps, Big Data ecosystem, virtual environments, operating systems and monitoring solutions. Mentor, presenter, trainer.

Qualifikationen

  • Ansible
  • Google Cloud
  • Microsoft Azure
  • MongoDB
  • Oracle (allg.)
  • Oracle Cloud Infrastructure
  • Oracle Data Guard
  • Oracle Database
  • Oracle RAC (Real Application Clusters)
  • PL/SQL
  • PostgreSQL

Projekt‐ & Berufserfahrung

IT Lead Technologist, Senior DevOps Engineer and Database Administrator (Festanstellung)
Atos, Gdańsk
4/2016 – offen (8 Jahre)
IT & Entwicklung
Tätigkeitszeitraum

4/2016 – offen

Tätigkeitsbeschreibung

• Led transformation of complex IT Operations environment towards DevOps approach
• Administered huge Oracle environment including Exadata, stretched RAC and InMemory systems
• Conducted implementation, configuration and ongoing projects for Oracle and PostgreSQL databases
• Maintained complex PostgreSQL environment, Led PostgreSQL upgrades, patches and delivered high availability solutions
• As performance tuning lead conducted many tuning sessions and made systems running fast
• Prepared and implemented Disaster Recover tests
• Introduced database configuration and management improvements for key components of database infrastructure
• As Lead Ansible Expert designed, built and implemented End to End solutions - fully automated application and database services; designed and delivered best practices and standards)
• Delivered innovative solutions, automated manual tasks reducing operational costs and overtime, eliminated human errors and repetitive tasks
• Mentored and trained engineers in Ansible
• Designed and implemented data visualization and analysis platform for IT infrastructure based on Prometheus and Grafana, automated in Ansible
• Deployed and administered Hortonworks Data Platform (Hadoop)
• Delivered technical presentations and trainings

Eingesetzte Qualifikationen

Oracle (allg.), PostgreSQL, Ansible

Oracle Consultant
Susquehanna Ireland Ltd., Dublin
7/2006 – 1/2007 (7 Monate)
Banken
Tätigkeitszeitraum

7/2006 – 1/2007

Tätigkeitsbeschreibung

• Provided Day-to-Day maintenance and administration of financial databases
• Designed, implemented and managed asynchronous replication of business data with Oracle Advanced Queuing
• Fully responsible for the development of several smaller projects
• Provided database solutions that enhanced data security
• Designed and implemented backup strategy of production and development systems
• Developed diverse PL/SQL packages according to business requirements
• Conducted database health and performance audits
• Performed database and SQL query tuning that significantly improved system response time

Eingesetzte Qualifikationen

Oracle (allg.), PL/SQL

Lead Database Expert, Senior Oracle DBA (Festanstellung)
GE Money Bank, Gdańsk
2/2006 – 4/2016 (10 Jahre, 3 Monate)
Banken
Tätigkeitszeitraum

2/2006 – 4/2016

Tätigkeitsbeschreibung

• Administered large-scale database environments (RDBMS & NoSQL)
• Defined system architecture for applications and other software components
• Lead system architecture for the applications within the boundaries of the enterprise architecture
• Provided innovative solutions to business requirements
• As a leading SQL and database tuning expert provided solutions for application and database performance problems that greatly improved database overall response time
• Provided proactive solutions that enhanced the company’s overall technical capabilities
• Took on new technologies as the company requirements arose
• Created logical and physical data models to optimize application performance
• Conducted key-projects related to Oracle technology including database consolidation, database & application upgrade and migration
• Established processes with QA and R&D to verify that internal requests are handled with the correct priority and properly tested
• Deployed and administered OID directory services, Oracle Grid Control and Nagios
• Designed and implemented backup and recovery solutions for Oracle and PostgreSQL
• Administered EMC Legato NetWorker, DataDomain and IBM TSM
• Involved in capacity planning and data archiving projects
• Developed web-based monitoring application for DBA team
• Provided mentoring for junior members of the team

Eingesetzte Qualifikationen

Oracle (allg.), EMC DataDomain, EMC NetWorker

Senior Database Administrator (Festanstellung)
Lufthansa Systems, Gdańsk
6/2001 – 2/2006 (4 Jahre, 9 Monate)
IT & Entwicklung
Tätigkeitszeitraum

6/2001 – 2/2006

Tätigkeitsbeschreibung

• On site and remote consultancy work
• Administered over 150 complex databases up to 10TB (Oracle, MaxDB, Ingres)
• Responsible for day to day monitoring, patch analysis and deployments
• Designed, developed and implemented data replication environment for Star Alliance airlines
• Planned and implemented database reorganizations for SAP systems
• 24x7 on-call support
• Developed and tested backup strategies and disaster-recovery plan for database environment
• Performed a key role as a technical consultant during database services migration project between corporate locations
• Documented internal procedures for configuration, maintenance and installations
• Conducted database workshops and delivered individual training sessions

Eingesetzte Qualifikationen

Ingress, Oracle (allg.)

Zertifikate

GOOGLE CLOUD CERTIFIED ASSOCIATE CLOUD ENGINEER
2019
Red Hat Certified Specialist in Ansible Automation
2018
MongoDB Certified DBA
2016
Oracle Database 12c Administrator Certified Professional
2014
Oracle Certified Expert, Oracle Real Application Clusters 11g and Grid Infrastructure Administrator
2013
Oracle Certified Expert, Oracle Database SQL Tuning
2013
Oracle Database 11g Administrator Certified Professional
2011
Oracle Database 10g Administrator Certified Professional
2005

Über mich

My experience includes:
- technical leadership
- merging different technologies together to get most of each
- designing and implementing scalable data platforms
- consultancy, advice and expert assistance to customers
- troubleshooting and performance optimization of IT systems (databases and applications)
- mentoring and coaching engineers
- designing and developing fully automated end to end services with Ansible
- delivering presentations
- dealing with people at all levels
- building scalable IT monitoring solutions (Prometheus+Grafana, Nagios)
- and many years of database administration.

Specialties:
- IT automation
- planning and deploying high performance database architectures
- processing and retrieving data fast, SQL query tuning
- troubleshooting and performance optimization of Oracle and PostgreSQL databases

Weitere Kenntnisse

- Expertise in deployment of distributed and heterogeneous environments, designing scalable database platforms
- Expertise in working across multiple RDBMS (Oracle, PostgreSQL) and across varied versions and platforms
- Expertise in SQL performance tuning and database tuning (Oracle and PostgreSQL)
- Expertise in Oracle RAC, Active Dataguard, RMAN, Golden Gate
- Experience in Oracle Exadata and InMemory option
- Expertise in Unix-based system administration (Linux, AIX, Sun Solaris)
- Administered EMC Legato Networker, DataDomain and IBM TSM
- Expertise in IT monitoring systems and data visualization (Prometheus, Grafana)
- Experience in Hortonworks Hadoop
- Expertise in High Availability architecture and disaster recovery solutions
- Coding skills: Perl, shell, SQL, PL/SQL
- Atlassian Jira, BitBucket and Confluence
- Expertise in IT automation with Ansible
- Experience in Terraform
- Very good interpersonal skills and ability to articulate complex technologies when required
- Ability to multi task & prioritize under ever changing and challenging workloads
- Ability to adopt new technologies rapidly
- Attention to detail, exceptional analytical skills, self-starter

Persönliche Daten

Sprache
  • Englisch (Fließend)
  • Polnisch (Muttersprache)
  • Deutsch (Grundkenntnisse)
Reisebereitschaft
Europa
Arbeitserlaubnis
  • Europäische Union
  • Schweiz
Home-Office
bevorzugt
Profilaufrufe
2004
Alter
46
Berufserfahrung
23 Jahre und 11 Monate (seit 04/2000)
Projektleitung
7 Jahre

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