Position: DevOps System integration engineer
Category: DevOps
English level: intermediate
Years of experience: 11


CERTIFICATES:
- HashiCorp Certified: Terraform Associate -  (Expires on July 20, 2024)
- CKAD: CERTIFIED KUBERNETES APPLICATION DEVELOPER ( EXPIRIES FEBRUARY 10, 2025 )
- CKA: CERTIFIED KUBERNETES ADMINISTRATOR  ( EXPIRIES MAY 08, 2025 )
− AWS Certified Solutions Architect – Associate: R55RVHGKDBQEQ8WG (valid – 24.01.2018 – 24.01.2021)

SKILLS:
•	OPSC GOLD real-time end-to-end convergent billing solution for GSM operator.
•	Collection requirements, took part in full SDLC process implementation complex solution for mobile Operators in different countries with different logic 
•	AWS cloud services – EC2, VPC, API Gateway, Lambda,  RDS, EKS, SQS
•	Used terraform for aws infrastructure, ansible as configuration management
•	Rollout complex systems with E2E integration and customization
•	Docker, docker-compose, Jenkins  - CI/CD. 
•	Kubernetes, Helm , Kafka MQ. Nginx ingress controller, istio service mesh, EKS-GKE cluster creation with terraform. ArgoCD	•	Databases: SQL, Oracle. MySQL
•	Programming: Python;  familiar with C-like languages, Java, PHP, Tcl
•	Implementation monitoring systems - ELK, Prometheus, Grafana
•	Network infrastructure administration - Web servers (apache,nginx), VPN, OpenVPN, Mikrotik configuration, loadbalancer (haproxy)
•	Scripting: bash, awk, python
•	Experience in Linux system
•	Experience with Continuous Integration and Deployment tooling ( GitHub Actions, Jenkins CI/CD)
•	English B1+/B2

WORK HISTORY:
03.2017 – 08.2022
SYSTEM INTEGRATION ENGINEER
− Provide consulting to our clients (GSM operators) - related OCS/BSS.
-  Took part in migration existing OCS/BSS to Nokia OCS/BSS  ( Sunrise Swiss Telecom ) 
- Write needed integration scripts – python, SQL, tcl
− Installation and configuration monitoring system for Online Charging system: docker-compose, ELK stack, Prometheus, Grafana and notification server –SMS, voice call.

07.2007 – 01.2017
SENIOR SYSTEM INTEGRATION ENGINEER, ORGA-SYSTEMS UKRAINE / RED KNEE , KYIV    
- Work with Convergent Rating and Billing systems for GSM operators - OPSC GOLD - OSC/BSS. 
- Involved in full SDLC process.  Analyze customer requirements, creating design, building, Installation and system configuration, deployment, UAT, Production deployment;
- Integration with external systems – HLR, SMSC, GGSN, CRM, SCP, NGCP, Order Manager and other E2E, solution; 
- System Configuration - real time rating. Charging, network provisioning;
- Migration procedure. Bug fixing.