Bogdan Calomfirescu

DevOps Engineer

Ilfov, Romania7 yrs 2 mos experience

Key Highlights

  • Led DevOps efforts for banking applications.
  • Built and maintained a Cloud Platform using Kubernetes.
  • Implemented PaaS solutions across multiple datacenters.
Stackforce AI infers this person is a Cloud and DevOps expert in Fintech and Telecommunications.

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Skills

Core Skills

DevopsAgile MethodologiesCloud ComputingBillingRevenue AssuranceInterconnectNetwork Operations

Other Skills

Agile DevelopmentAnsibleAutomationCI/CD PipelineConsultingContinuous DeliveryContinuous IntegrationDockerIT OperationsITIL CertifiedJenkinsKnowledge SharingKubernetesLinuxOpenShift

Experience

Ammeon

Senior DevOps Consultant

Mar 2019Dec 2019 · 9 mos · Bucharest, Bucharest, Romania

Unicredit services

Senior DevOps Consultant

Sep 2018Feb 2019 · 5 mos · Bucharest, Romania

  • ▪ Leading the DevOps efforts for within a Pilot Project that will power the next generation of
  • applications exposed to the end customers of the banks, for CEE Internet Banking and Public
  • Website.
  • ▪ Contribute to the overall DevOps strategy at the group level
  • ▪ Oversee the implementation of the DevOps capabilities for the Pilot Project
  • ▪ Build the CI/CD Pipeline (Jenkins), Platform (Kubernetes) and tooling that will support the
  • application development
  • ▪ Organise DevOps trainings and workshops for the local teams in Bucharest
  • ▪ Act as a strong ambassador of the DevOps culture and ensure it throughout all levels of the
  • engineering teams
  • ▪ Ensure a team culture that encourages constant communication, collaboration and
  • knowledge sharing with the other engineering teams
DevOpsCI/CD PipelineJenkinsKubernetesAgile MethodologiesKnowledge Sharing

Mambu

Platform Engineering and Cloud Operations Lead

Jan 2018Aug 2018 · 7 mos · Iasi County, Romania

  • Platform Engineering:
  • Build Mambu’s Cloud Platform (PaaS) based on Docker/Kubernetes
  • Implement infrastructure abstractization and multi-cloud strategy
  • Enable a self service model for developing, testing, performance and operations teams and/or any other IT professional involved in Software Development lifecycle within Mambu
  • Agile Development, Continuous Integration, Continuous Delivery, Continuous Deployment and DevOps
  • Cloud Computing, Micro services, Containerization, Automation, Self-service, auto-scaling, open source
  • Cloud Operations:
  • Maintain and improve Mambu’s Cloud infrastructure on AWS
  • Increase infrastructure availability, performance, security and reduce costs
  • Improve the level of automation in the operational area
  • Reduce operational risks and help customers to meet their regulatory requirements
  • The role and responsibilities described below:
  • Create,maintain and coach a highly skilled, efficient and motivated Infrastructure Team, including Cloud and Platform Engineers
  • Set the team direction to design, build, maintain and improve Mambu’s Cloud Platform and Infrastructure in accordance with the company’s overall vision
  • Define and improve the Operational processes and streamline the flows with automation
  • Scale Infrastructure workflows and load to adjust the team size and growth
  • Oversee all technical aspects of Mambu cloud service in multiple cloud environments
  • Lead Operational strategy to continue to meet availability, performance, platform security and costs targets
  • Ensure internal and external transparency on infrastructure metrics and roadmap
  • Consult and advise our customers and our engineering teams on infrastructure related issues
  • Act as a strong ambassador of the DevOps culture and ensure it throughout all levels of the engineering teams
  • Ensure a team culture that encourages constant communication, collaboration and knowledge sharing with the other engineering teams
Cloud ComputingPaaSDockerKubernetesAutomationAgile Development+1

Orange

Technical Services Manager

Oct 2015Jan 2018 · 2 yrs 3 mos · București, România

  • Cloud Computing – Project
  • ▪ Platform as a Service (PaaS) based on OpenShift product
  • ▪ Deployed on several datacenters in different zones (Cloud and non-Cloud environments)
  • ▪ Used by developing teams, testing and integration teams, deployment teams, operations teams and/or any other IT professional involved in Software Development within Orange
  • ▪ Agile Development, Continuous Integration, Continuous Delivery, Continuous Deployment and DevOps
  • ▪ Cloud Computing, Microservices, Containerization, Multi-Language, Automation, Self-service, auto-scaling, open source etc.
  • ▪ OpenShift: Red Hat's Platform-as-a-Service (PaaS) that allows developers to quickly develop, host, and scale applications in a cloud environment.
  • https://www.openshift.com/
  • The role and responsibilities described below:
  • ▪ The Technical Services Manager responsibilities are transversal in all phases of the Software Development Process :
  • --> Develop (Code & Build): small part of the project.
  • --> Integration (Integrate & Test) : new features and/or tools related to the project
  • --> Deployment: bug fixes and/or updates of the platform
  • --> Operations: support chain for the project
  • --> Continuous improvement
  • ▪ The Technical Services Manager roles are:
  •  Agile/DevOps team member
  •  Implementing Agile best practices within the team and organization
  •  Product evangelist ( PaaS, Containers, Microservices, Container Orchestration)
  •  Collaboration, communication, integration, sharing, and automation in a more efficient, continuous cycle of software development.
Cloud ComputingPaaSOpenShiftAgile DevelopmentAutomationDevOps

Ericsson

2 roles

2nd Level Cloud Operations Billing & Revenue Management

Jun 2015Oct 2015 · 4 mos · Bucharest, Bucharest, Romania

  • DCP - Project: The Ericsson Device Connection Platform (DCP) is a cloud service enabling operators to offer connectivity management to enterprise customers. It enables operators to address new revenue streams from a vast variety of devices while simplifying the process and reducing the cost of connecting them. The platform supports operators in building up the M2M business from three perspectives, managed connectivity through the life cycle, sales preparation and business expansion.
  • ▪Billing: prevent and/or detect possible issues within the Billing platform (Oracle BRM). Handle rating, pricing, invoicing and reporting.
  • ▪Revenue Assurance: prevent and/or detect possible revenue loss on all business flows within the network by monitoring KPI’s and Indicators, analysing reports and dashboard graphs. Report all issues detected to all the involved platforms and teams. Propose solutions to increase performance.
  • ▪Check and monitor (availability, performance, processes) servers, databases and applications for the Billing platform.
  • ▪Handle and resolve trouble tickets within the SLA.
  • ▪Handle request from the customer.
  • ▪Handle incidents involving Billing platform and propose preventive solutions.
  • ▪Scripting and development (UNIX shell scripting, PL/SQL) – create and/or modify scripts to improve and automate the platform.
  • ▪Create, improve and update documentation, templates, procedures, training materials, diagrams, wiki pages for knowledge sharing.
  • ▪Detect and open defects in production, support in resolving existing problems and propose new solutions.
  • ▪Analyse KPI’s for all business flows within the mobile network.
  • ▪Knowledge sharing with other teams from Front and Back Office.
BillingRevenue AssuranceOracle BRMPL/SQLShell Scripting

2nd Level Service Engineer Revenue Assurance & Interconnect

Nov 2013Jun 2015 · 1 yr 7 mos · Bucharest, Bucharest, Romania

  • ▪ Revenue Assurance: prevent and/or detect possible revenue loss on all business flows within the network by monitoring KPI’s and Indicators, analyzing reports and dashboard graphs. Report all issues detected to all the involved platforms and teams. Propose solutions to increase performance.
  • ▪ Interconnect: prevent and/or detect possible issues within the Interconnect platform (Inter Carrier Call Account System – Wholesale Billing). Handle inter-operators settlements and requests.
  • ▪ Check and monitor (availability, performance, processes) servers, databases and applications for Revenue Assurance and Interconnect platforms.
  • ▪ Handle and resolve trouble tickets within the SLA.
  • ▪ Handle request from the customer.
  • ▪ Handle incidents involving Revenue Assurance and Interconnect platforms and propose preventive solutions.
  • ▪ Scripting and development (UNIX shell scripting, PL/SQL) – create and/or modify scripts to improve and automate the platforms.
  • ▪ Create, improve and update documentation, templates, procedures, training materials, diagrams, wiki pages for knowledge sharing.
  • ▪ Detect and open defects in production, support in resolving existing problems and propose new solutions.
  • ▪ Analyse KPI’s for all business flows within the mobile network.
  • ▪ Knowledge sharing with other teams from Front and Back Office.
Revenue AssuranceInterconnectShell ScriptingPL/SQL

Ice wireless

2nd Level Wireless Network Operation Engineer

Jan 2013Nov 2013 · 10 mos · Bucharest, Bucharest, Romania

  • ▪ Check and monitor (availability, performance, processes) RAN, Core, BSS and IP equipment, servers, databases and applications for Ice Wireless mobile network.
  • ▪ Handle issues and requests from the customer.
  • ▪ Handle and resolve trouble tickets within the SLA.
  • ▪ Handle incidents within the network and propose preventive solutions.
  • ▪ Handle and resolve issues with Carriers (SS7, GRX, Network Backhaul) and Vendors (Charging and Billing Solution, Core, RAN and BSS Network)
  • ▪ Scripting and development (Linux shell scripting) – create and/or modify scripts to improve and automate the network.
  • ▪ Create, improve and update documentation, templates, procedures, training materials, and diagrams for internal knowledge base.
  • ▪ Knowledge sharing with other teams.
  • ▪ Charging and Billing: Handle charging and batch rating, invoicing and billing cycle.
  • ▪ Roaming: Handle IR21 update, new roaming agreements, IREG and TADIG testing.
  • ▪ Projects: Support for deployment and migration to UMTS/3G Network
Network OperationsShell Scripting

Iristel

1st Level Network Operation Engineer

Aug 2012Jan 2013 · 5 mos · Bucharest Metropolitan Area

  • ▪ Check and monitor (availability, performance, processes) equipment, servers, databases and applications for Iristel VoIP network.
  • ▪ Handle issues and requests from residential and wholesale customers.
  • ▪ Handle and resolve trouble tickets within the SLA.
  • ▪ Handle incidents within the network and propose preventive solutions.
  • ▪ Handle and resolve issues with Carriers and Vendors
  • ▪ Create, improve and update documentation, templates, and procedures for internal knowledge base.
  • ▪ Knowledge sharing with other teams.
Network Operations

Education

University POLITEHNICA of Bucharest

Inginer Diplomat — Inginerie Electronică / Telecomunicații

Jan 2004Jan 2009

Colegiul Naţional de Informatică “Tudor Vianu”

Diplomă de Bacalaureat — Matematică-Informatică / Intensiv Informatică

Jan 2000Jan 2004

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