Andrei Pietrosu - Associate Director - System Engineering, Netcentric, A Cognizant Digital Business

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Work Background

Cognizant NetcentricAssociate Director - System Engineering

Oct. 2022Bucharest, Romania- Consulting for multiple customers on various topics ranging from infrastructure, public clouds, automation, monitoring, infrastructure as code, Adobe Experience Manager, CICD, application management - Experienced in Adobe Experience Manager(on-premise, cloud, AMS or AEMaaCS), AWS, Azure, Jenkins, Terraform, CloudFormation, Puppet, Ansible - Acting as Tech Lead for various customer projects - Migrating customer setups to the cloud(AWS/Azure/Adobe Cloud)

Cognizant NetcentricOperations Community Lead

May. 2020 - Oct. 2023Bucharest, Romania- Community size: 125+ System Engineers, Support Engineers, and Service Managers distributed geographically in Europe and Asia - Allocating resources and defining priorities and strategies within the community - Working with Delivery to staff engagements - Defining community-oriented KPIs

Cognizant NetcentricSenior System Engineer(DevOps)

Apr. 2018 - Oct. 2022Bucharest, Romania- Design and provision infrastructure - Automatise different tasks and infrastructure processes - Implement monitoring and backup solutions - Automatise deployment process - Configuration tweaks - Being involved in project architecture decisions - Ensure infrastructure tasks are delivered at a high standard of quality - On-premise migrations to AMS I work with: AWX, Ansible, Terraform, Puppet, AWS(EC2, ELB, VPC, SG, AutoScaling, ECS, EBS, CloudWatch), CloudFormation, Jenkins, Maven, Git, Nexus, Bash scripting, Docker, MongoDB, Adobe Experience Manager(AEM), Apache

UXP SystemsDevOps

May. 2017 - Apr. 2018Bucharest, RomaniaAt UXP Systems I was tasked with integrating ULM(User Lifecycle Management), their proprietary user management software, to client's infrastructure. Among my tasks I can mention: - building the infrastructure for the product on the client's site - deploying on a number of production/non-production environments - automating deployment process - documenting all the steps and processes and sharing the documentation with the client - on-site client consultancy for operating system preparation, networking, storage, redundancy and replication policies - configuration tweaking Daily tools used: Ansible, Jenkins, Rundeck, Git, Bitbucket, Docker, Python, bash scripting, MariaDB, Galera, Nginx, Tomcat, ELK(ElasticSearch,Kibana,Logstash,Beats) stack, Iptables, HAProxy, Nexus, MongoDB and other technologies.

Mandarine International SALinux System Administrator - DevOps

Nov. 2016 - May. 2017Bucharest, RomaniaAt Mandarine I am in charge of designing and implementing high availability architecture for the company projects. All the projects are being developed in a devops environment. I am also in charge of implementing security, backup and update policies for all the physical and virtual servers and responsible for all the architecture documentation. I work with the following technologies: - Webservers: Nginx, Apache, Litespeed - PHP-FPM - Load balancing: HAProxy - Database: MariaDB, Galera Cluster, MongoDB - Virtualization: Proxmox - Backup: R1Soft Backup - Monitoring: ELK(ElasticSearch,Kibana,Logstash,Beats) stack, ElastAlert, Zabbix - Storage: ZFS, GlusterFS - Firewall: Iptables, CSF - Automation: Ansible - Continuous deployment: Jenkins, TeamCity - SSL: LetsEncrypt

Orange RomaniaService Engineer(Linux)

Sep. 2014 - Nov. 2016Bucharest, RomaniaAt Orange I am in charge of technical implementation and operation of billing APIs for Europe and AMEA zone, Orange Mobile Content Adaptation Platform and Orange Partner Ecosystem Platform. I act as technical lead on several Orange Group services, including: - Billing API for Google PLAY, Samsung Apps, Netflix, DEEZER, Gameloft, EAGames, Blackberry and several other large partners, Cloud API for France - Content Adaptation platform for Orange mobile customers - Orange Partner Ecosystem(Platform that facilitates access for 3rd party developers to Orange proprietary APIs) My job responsabilities include: - Technical Lead and Technical Project Management - I manage the project from a technical point of view and make sure all the requirements for successful service launch are kept in the agreed timeframe - Involvment in 24/7 on-call operations - I perform fault analysis in real time based on customer tickets and drive corrective actions in accordance with customer impact - Monitoring performance parameters for all the services and platforms present in my portfolio - Change management - I am in charge of implementing changes/upgrades on the platform and monitor the results. Also, I create risk management reports. - Monitoring KPIs and taking proactive measures in order to limit/prevent impact and improve customer satisfaction - Keeping track of service improvements and roadmaps through monthly Service Reviews and Quality-Loop meetings - Solving service/platform incidents reported by the Supervision Team - Creating operation procedures for Level 2 teams and monitoring instruction sheets for Level 1 teams(Supervision Team) - Being responsible for Nagios implementation/configuration the platforms present in my portfolio - Using WebServices, Jonas, SOAP, Newtest, Witbe and MQ messaging for M2M services - Monitoring VMWare virtual machine infrastructure to assure optimum efficiency - Working with Red Hat distributions,VMWare and MySQL databases

KeyHost SRLKey Executive Officer

Jan. 2011 - Aug. 2016Bucharest, RomaniaAs KEO, I am in charge with the supervision of the activity in the helpdesk area and manage all the daily activities. I supervise all the technical work done at the servers, part aquisitions, server updates as well as new technology implementation. I also elaborated the business plan, predictions and handled all the acquisitions for the startup. I maintain a constant relationship with all of the company's suppliers and negotiate new supplier contracts.

eGazdaCTO

Mar. 2005 - Dec. 2010-Server administration -Coordinating technical support department -Create the monthly maintanance plans for the servers -Assigning duties to the team -Training new support staff -Interface for business clients -Identify, test and implement new hardware and software solutions

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