Alexandru S.

Devops Engineer

Externalisation nearshore
Advanced
Bucharest, ROMANIA
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Mon expérience

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PentalogMars 2018 - Présent

DevOps Engineer working as part of a team of certified Solution Architects and Engineers in the Pentalog Customer DevOps service. Agile and Lean principles is the foundation of our DevOps methodology, which promotes the collaboration between business owners and development, operations, and quality assurance specialists. Altogether as a team, we ensure alignment on the goals and we focus on continuous improvement to achieve them.
  • Installing, configuring, maintaining Linux / Windows servers and application servers.
  • Implementation of security requirements.
  • Managing (creating, maintaining, automatize) the building and the deployment process for multiple projects and releases.
  • Verifying the delivery packages / content (source code, database scripts, installation instructions etc).
  • Managing the project development, testing, production environments.
  • Managing (creating, maintaining, automatize) continuous integration environments.
  • Assisting the development team on the deployment / configuration / delivery aspects.
  • Building high availability and scalable systems.
  • Installing, configuring, maintaining cluster platforms, Load Balancing, Back-up, fail-over solutions.
  • Creating and maintaining the documentation concerning the environment description, installation and deployment instructions.
  • Firewall configuration.

DevOps Expert - contribution and interventions within Pentalog's application support cell.

  • Designing the IT system architecture: scalability, failover, application and database clusters.
  • Implementation of optimization solutions.
  • Improvement of the application performance.
  • Integrating several tools for deployment automation.
  • Database and file backup and restoring if needed.
  • Application security management: installation of an application firewall, monitoring, upgrading, caching.
  • VMWare virtualization.
  • Integration of Amazon Cloud Services (EC2, CloudFront, S3, Elestic Transcoder, CDN).
  • Advanced Linux servers administration (scripting, security, backup).
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Bittnet SystemsNovembre 2016 - Mars 2018

System Engineer for the national IT training market leader with extensive experience in delivering high-quality IT training, services and solutions.
  • Working with multiple AWS services, designing highly available architectures and providing technical support to our clients to reduce the downtime of their applications.
  • Development of an automation repository, which was particularly and individually tailored per client, in order to focus more on AWS services and designing a better architecture, involving less manually installed various applications.
  • Attendance of multiple technical trainings on AWS (Technical Essentials, Certified Solutions Architect, System Operations).
  • AWS Trainer (AWS Technical Essentials, Architecting on AWS - Associate).
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INTEL SoftwareAvril 2015 - Avril 2016

Software Engineering Intern within an American multinational semiconductor chip maker corporation.
  • Implementation and improvement of several Bash and Python automation scripts used to run performance and power measurements on different hardware platforms and to collect power and performance measurements.
  • Implementation of a C# application, based on an existing .dll file, which sends multiple commands to another application and modifies certain parameters.
  • Rectification of hardware components on different platforms in order to measure the power consumption.
  • Benchmarking and characterization, followed by the analysis and comparison of sheets.
  • Attending numerous technical and non-technical courses.
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TECO CONTROLJuin 2014 - Octobre 2015

Trainee within an automation equipment and PIF technical support provider.
Participation in a project focused on the implementation of a digital milivoltmeter using a Microchip PIC microcontroller.
The programming included the use of the assembly language in MPLAB IDE, based on a PICKit programmer. The display included multiplexing a 7-segments LED with 4 digits.
  • Working with the above-mentioned microcontroller architecture.
  • Configuring specific registers.
  • Working with three types of available memories, including RAM, Flash, EEPROM.
  • Implementation of specific methods in order to handle different microcontroller functions.

Mes compétences

Langues parlées

ROMANIAN: Native speaker
ENGLISH: Advanced
GERMAN: Average

Software Testing

JMeter, New Relic, JIRA

Application Servers

Tomcat, Apache, JBoss, Nginx

Networks and Systems

UNIX, Amazon Elastic Load Balancer (ELB), Amazon Web Services EC2, Amazon Cloud Services, Monit, Vsftpd, Amazon Web Services S3, Amazon Elastic Container Service (ECS), Amazon Elastic Container Registry (ECR), Samba, Amazon Route 53, Amazon Elastic File System (EFS), Amazon CloudWatch, Amazon CloudTrail, Amazon CloudFormation, Amazon Redshift, Amazon Identity and Access Management (IAM), Amazon Simple Notification Service (SNS), Amazon ElastiCache, Amazon Relational Database Service (RDS), Amazon Simple Email Service (SES), Terraform, Ubuntu

DBMS

CouchDB, Redis, MongoDB, MySQL, DynamoDB

Environment of Development

Jenkins, CodeDeploy, GIT, CodePipeline, Vagrant

Languages

Python, Bash scripting, Assembly, C#, C/C++

Web Technologies

Amazon CloudFront, AWS Lambda, AWS

Protocols

DNS, DHCP, SMTP, FTP, NFS

Technologies

ELK Stack

Open Source solutions

Kubernetes

Miscellaneous

Graylog, DevOps, Grafana

Mes études et formations

Bachelor's Degree in Networking and Telecommunication Software, Faculty of Electronics, Telecommunications and Information Technology - "Politehnica" University, Bucharest.2012 - 2016

Mes tests

Nom
Résultat
English reading quiz medium level
18/30
60%
English language placement quiz
102/120
85%