Marius L.

DevOps engineer

Outsourcing
Senior
Bucharest, ROMANIA
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My experience

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PENTALOG CLIENT : Leading Sportswear Manufacturer01.10.2019 - Present

Expert in DevOps Technologies and 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.
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Ezugi01.04.2019 - 01.10.2019

IT Manager / DevOps Tech Lead for a leading content and technology provider, specializing in live dealer casino gaming. Their platform provides full branding ability and total client control, offering the widest game portfolio in the industry streamed live from a global network of studios, private tables, studio construction and bespoke game development for customers.

IT Manager (July 2019-now).
  • Managing/Lead IT team.
  • Production ownership.
  • Processing documentation.
  • Providing procedural approach.
  • Project management.
  • Following the Agile workflows.
  • Incident management.
  • Automation.
  • Security.
  • High-availability.

DevOps Tech Lead
(April 2019-now).
  • Providing DevOps cloud, automation, configuration management, security as well as support.
  • Continuous integration and delivery, infrastructure as code, monitoring, streaming, real-time, RDBMS, NoSQL, caching, high-availability, incident management, change management, backup, big data, data archiving/retention, API's.
  • Management of activities as team lead, cost management, SLAs, KPIs, policies, procedures and processes.
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Amoma01.03.2016 - 01.03.2019

OPS Manager within a company providing and user friendly platform for booking instantly accommodations ranging from hostels to five-star luxury hotels, and supports its travellers with expert customer care, from beginning to end.
  • Delivering high-level projects that ensure business growth.
  • High-level security, mandated by PCI DSS compliance is one of the focal points for DevOPS.
  • Building automated setups that improve scalability while still maintaining high-availability is mandatory.
  • Infrastructure-as-code is the de-facto approach in every project and we're using configuration management tools to automate/orchestrate the complex flows of each application.
  • Stability is derived from our continuous integration approach and supported by using proven processes and procedures.
  • Using DevOPS approaches empowers us to deliver full-scale projects, split vertically into deliverables while maintaining Agile workflows (Scrum and Kanban).
  • Support is important, we have SLAs that ensure critical incidents are resolved in timely fashion, resolutions are well documented and implemented to reduce the time between failures.
  • Level1 Support team was created to uphold the correct escalation path and correlate data from different monitoring systems that is streamlined into information useful across the board (including business stakeholders).
  • Performance is measured and bottlenecks are identified - several solutions are proposed, documented and implemented, solutions that will support business's ever increasing demands (including traffic).
  • Communication is crucial - we have official synchronous and asynchronous comm channels that support all business/teams demands.
  • The high level of expertise in OPS team ensures that is a key team in the company and the go-to place for all tech discussions (from architecture design/approaches down to hacks and troubleshooting).
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Elefant.ro01.01.2013 - 01.02.2016

CTO for an online store that sells a wide range of products: fashion, electronics, watches, books, toys.
  • Managing the development/support process across all technology teams, ensuring that the business growth is reflected in the performance and quality of technical platforms we use (most of them were in-house solutions).
  • Keeping in touch with the technical roots in successfully designing the new tech architectural changes and transmitting my vision as well as motivating all the team members.
  • Recruiting a rockstar team that is used to success.
  • Creating, documenting and enforcing the procedures and workflows to properly deal with the increasing traffic, customer quality demands, need of better feature sets and effective support for business.
  • Developing, identifying the bottlenecks and optimizing the flows.
  • Following the Agile methodology to move all the software bits'n'pieces in the right direction.
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PayU01.09.2011 - 01.01.2013

Infrastructure Architect / Senior SysAdmin for a leading payment services provider with presence in 16 growth markets across the world.
  • Created a project to architect the next version of infrastructure to support business international expansion.
  • Implemented that project and delivered it.
  • Documented it all and automated most of the maintenance/support processes.
  • Ensured that the deployment project and processes for infrastructure supporting a new country is seamless.
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Vendio Services01.07.2006 - 01.09.2011

Infrastructure Architect / Operations Team Lead within a company specialized in developing multi-channel eCommerce software platforms for small- and mid-sized online businesses. Their aim is to simplify the sales process by providing inventory management, order processing, communication and marketing tools.

Infrastructure Architect (Aug 2011 – Sep 2011).
  • Supported and enhanced the infrastructure with high-availability as the main focus.
    - Due to proper design and tools, data loss was not an issue - especially when dealing with high-performance apps and customer private data.
  • Worked on two data center migrating projects that were carried out flawlessly and two mergers with infrastructures of companies that were joining the group.

Operations Team Lead (Jul 2006 – Aug 2011).
  • Automating all the maintenance tasks, mitigating risks by keeping focus on high-availability tech.
  • Improving performance by moving parts of architecture/applications to cloud solutions and distributed systems.
  • Highly complex systems with top-of-the-line technology to deliver high-end solutions.
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ASSIST Software01.05.2005 - 01.07.2006

System / Network Administrator within a company which specializes in outsourcing software development projects dedicated to emerging fields such as mobile and web-based custom business applications, e-commerce, e-payment, e-security,  e-health and enterprise & resource planning, entertainment and gaming industry.
  • Managing servers (providing internal infrastructure and public services).
  • Large web hosting client-base.
  • Complex internal network, several branches, each one with their independent and centralized services/servers.
  • Trainer for OpenSource solutions (developed, promoted and presented Linux courses, for different levels of expertise: basic, advanced, security).
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Astral01.04.2004 - 01.05.2005

Network Administrator within a company providing wholesales services for electric appliances for domestic use.
  • Senior sys/net administrator.
  • Large Romanian ISP, high number of clients/services.
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Assist Software01.08.2001 - 01.04.2004

NOC Manager / Network Administrator within a company which specializes in outsourcing software development projects dedicated to emerging fields such as mobile and web-based custom business applications, e-commerce, e-payment, e-security,  e-health and enterprise & resource planning, entertainment and gaming industry.
  • Working on NOC operations for the largest ISP in the area (Assist Internet).
  • Promoted to NOC Manager.

My stack

Spoken languages

FRENCH: Beginner
GERMAN: Beginner
ENGLISH: Advanced
ROMANIAN: Native speaker

Bash

Languages

PHP, Python, Shell Scripting

Web Technologies

CSS, jQuery, Node.js

Networks and Systems

CentOS, Cloud Computing, Data Center, Debian, Firewalls, Linux, Linux Red Hat, Nagios, Network Administration, Samba, SVN, Ubuntu, UNIX, Virtualization, Xen

DBMS

Couchbase, MongoDB, MySQL, NoSQL, Redis

Analysis Methods and Tools

SOA

Protocols

DNS, TCP/IP

Miscellaneous

Big Data, Continuous Integration, DevOps, E-commerce, Load Balancing, Security

My education and trainings

Studies in Computer Science - "Stefan cel Mare" University of Suceava.2000