BÖKE OĞUZKAAN SITKI
Cloud Platform Management
Leiden,ZH
Summary
Highly skilled and results-driven Cloud and Platform Specialist with a proven track record in designing, implementing, and optimizing cloud infrastructure and platform solutions. With deep expertise in cloud technologies and a passion for staying at the forefront of industry trends, bringing a unique blend of technical proficiency and strategic vision to organizations.
Overview
7
7
years of professional experience
6
6
years of post-secondary education
Work History
Principal Specialist, Cloud Platform Management
ETIYA
4 2022 - Current
- Led updates and deployments of critical modules and applications, ensuring the smooth functioning of over 250 servers across production, pre-production, and testing environments
- Enhanced deployment processes on AWS using Jenkins and to Kubernetes using Argo CD for Continuous Integration and Deployment (CI/CD)
- Conducted Proof of Concepts (PoCs) on APM tools, leveraging multidimensional analysis and backtraces for effective RCA
- Demonstrated proficiency in Linux system administration, middleware, and AWS cloud operations, with expertise in managing technologies such as Apache, Tomcat, JBoss, Wso2, Keycloak, Nginx, ActiveMQ, and Kafka
- Utilized various AWS services, including EC2, SQS, S3, RDS, ECS, Security Groups (Inbound & Outbound), CloudWatch, VPC Services, staying updated on AWS offerings to optimize cloud infrastructure
- Possessing advanced knowledge of non-relational and relational databases, with a specific focus on AWS RDS, including optimizing properties like vacuuming and analysis
- Ensured the implementation of security patches through manual efforts and Infrastructure as Code (IaC) automation, bolstering the security posture of the infrastructure
- Managed and executed updates for Java versions, Keycloak versions, and ActiveMQ versions, ensuring the systems are up-to-date and secure
- Implemented Certification Operations and DevSecOps practices, managing cryptographic assets effectively, including Jks, Cacerts, Key Pairs, p12, and pfx
- Conducted proactive monitoring using tools such as Grafana, Site 24x7, Dynatrace, and Zabbix, applying custom instrumentation and multidimensional analysis for issue detection and resolution
- Developed bash scripts to prevent server issues and performed scheduled updates using crontab, maintaining system stability
- Automated Linux systems to enhance fault tolerance and user-friendliness, reducing manual intervention and increasing system reliability
- Successfully integrated Jenkins CI/CD pipelines with various platforms, including AWS, GitLab, BitBucket, and Maven Server, streamlining development and deployment processes
- Ensured compliance with Service Level Agreements (SLA), Service Level Objectives (SLO), and Service Level Indicators (SLI), meeting performance and uptime targets.
Network and Application Operations Specialist
Turk Telekom
01.2020 - 04.2022
- Oversaw and developed operational processes for mobile services
- Created shell scripts on Linux systems to maintain server services
- Installed and configured updated packages on live production systems (Linux/Windows)
- Managed the database environment for various applications, including debugging, problem-solving, and creating performance reports for Oracle, MySQL, and MS SQL
- Implemented and configured disaster recovery systems in Linux and database environments
- Analyzed CDR and LOG information for operational service management
- Managed 2G, 3G, and LTE location query platform with MPS (Mobile Positioning System)
- Recorded and processed location and time information for subscribers making emergency calls or SMS with ACK (Acil Çağrı Konumlandırma) and relayed it to relevant government institutions
- Managed voice call services such as SCT (SmartCallTermination), ACR (Anonymous Call Rejection), PCFS (Premium Call Filtering Service), Roaming, VoLTE, VoWiFi, and ensured transmission to clients
- Oversaw the gateway system handling HLR transactions from client systems using the MAPGW platform and transmitted them to clients
- Managed Simcard device changes received over EIR and processed them in MW services
- Provided remote management of Subscriber Identity Module (SIM) cards for mobile operator subscribers and resolved SIM-related issues with applets
- Managed VAS IVR systems such as Payforme, 11855, DAS IVR, LiraPaylaş, and Roamer Call Back, ensuring business continuity.
Developer Consultant
Clarity Solutions
03.2018 - 03.2019
- Analyzed the current data storage system of the customer
- Developed financial software, using IBM Cognos products (TM1, Cognos Analytics, Planning Analytics)
- Created reporting systems, using Planning Analytics WorkSpace
- Designed the model by creating reports and dashboards in IBM Cognos Analytics
- Analyzed customer's processes, by fetching the data from their system
- (using Oracle or Excel)
- Created budget planning or forecast system, profit, and loss tables, and also designed their balance sheet system in TM1
- Created reports about the comparison of actual and plan data, using Planning Analytics
- Integrated all the calculations about their product groups into the TM1 system
- Created a Tm1 server for users and implemented user IDs and security assignments according to departments.
Education
Computer Engineering -
Anadolu University
Eskişehir, Turkey 01.2012 - 01.2018
Skills
Deployment Management
Root Cause Analysis (RCA)
System Administration and Cloud Operations
Linux/Unix shell
AWS
Jenkins
Kubernetes
Terraform
Docker
Security and Optimization
DevSecOps and Asset Management
Monitoring and Troubleshooting
Automation
Prometheus
SLA Adherence
Oracle-ms-mysql SQL
C#
NET
Java
JavaScript
IBM Assembler
Effective Communication
Problem-solving
Adaptability
Customer Focus
Time Management
Leadership
Languages
Turkish (Native)
English (Advanced)
Timeline
Network and Application Operations Specialist
Turk Telekom
01.2020 - 04.2022
Developer Consultant
Clarity Solutions
03.2018 - 03.2019
Computer Engineering -
Anadolu University
01.2012 - 01.2018
Principal Specialist, Cloud Platform Management
ETIYA
4 2022 - Current
Similar Profiles
MELIS KARAGOZ TUZELMELIS KARAGOZ TUZEL
Analysis Team Leader&Product Owner at EtiyaAnalysis Team Leader&Product Owner at Etiya
İlayda Koşağanİlayda Koşağan
Product Owner at ETIYAProduct Owner at ETIYA
Mümin Can YılmazMümin Can Yılmaz
Software Team Leader at ETIYASoftware Team Leader at ETIYA
Claudia Morilla EspinoClaudia Morilla Espino
PhD Candidate at Leiden University Medical CentrePhD Candidate at Leiden University Medical Centre
ABIODUN.G AIGBEDIONABIODUN.G AIGBEDION
Accounts Receivable Specialist at Dow ChemicalsAccounts Receivable Specialist at Dow Chemicals