Maksim D.

FreelancersMaksim Derzhak

Случайности не случайны - это закономерность жизни

Ukraine Kyiv, Ukraine
9 months 18 days ago
added 1 proposal
Available for hire Available for hire
age 40 years
registered for 10 months 10 days

Specialization

Linux/Unix
107 place out of 472
Software/server configuration
93 place out of 432
Position in global rating 1
  36038 place out of 289942

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CV

TECHNICAL TEAM LEADER

Infastructure Engineer | System Administration | DevOps


Highly motivated and result-oriented IT professional with successful experience and in-depth knowledge in the field, including Team Leadership, Information Security Analysis and Management.


Directed advanced technology solutions delivery and performed technical operations to improve business growth. With a comprehensive understanding of the skills needed, able to provide high-level service and establish systems and processes to achieve organization’s goals and objectives. 


Proven team leader with strong communication and organizational skills, able to motivate and inspire people as well as build long-term trust relationships with colleagues and clients. 




Core Skills and Competencies


IT | Software Engineering | Computer Information Systems |Information Security 

Network Operations | Administrative Support | Security Incident Handling

Solution Management | Research | Collaboration  |Problem Solving 

Teamwork | Task and Time Management | Communication and Organization



Technical Skills 


  • Deep knowledge of Linux systems (Centos, Ubuntu), Linux based services/tools, script languages

    Experience in administration of Unix systems 21+ years

    Virtualization systems: KVM-libvirt, OpenVZ,  QEMu, VirtualBox, vagrant

    Experience of database management in Linux (Postgres, MySQL, MongoDB, Cassandra, Redis, OrientDB)

    Familiar with Docker, Rancher, Kubernetes and Microservices

    Knowledge of configuration management systems (ansible, puppet).

    Building of an CI/CD pipelines. (Teamcity, Gitlab-CI, Jenkins)




PRofessional Experience IN LAST TWO COMPANY


Company 1

Team Lead - DevOps Engineer


  • Main responsible for keeping the production environment up and running as well as stable and responsive, leading the direction for the rearchitecture of the old legacy environment to a more reasonable, resilient, efficient, modular and DevOps oriented one.


- Management of IT infrastructure (servers, networking)

- More than 70 physical servers; O.S. mixed in Debian, Ubuntu, Proxmox, ESXi

- About 150 VM (KVM, OpenZV, VirtuaBox)

- Managing of Apache and nginx HTTP Web Server, HAProxy, MySql, OrientDB

- DevOps: procedure, automation and scripting

- Planning and migration to different DataCenter

- Networking (switch, router, firewall)


Company 2

SOFTWARE ENGINEER


- Successfully performed installation, configuration, and support for over 20 servers, Internet

gateways, database/web/email/proxy/development/virtualization servers.

- Established a monitoring and reporting system for the entire infrastructure.

- Oversaw clustering of the main sites and provided a quick solution delivery on any failure.

Activity

  Recent proposals 1
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