DevOps Engineer

Ako DevOps Engineer pracuje už takmer 7 rokov. Medzi jeho povinnosti patrí údržba a konfigurácia nástrojov na nasadenie a prevádzku podnikového prostredia, plánovanie a nasadzovanie vylepšení podnikovej infraštruktúry založenej na cloude, inžinierstvo a nasadzovanie prechodu z dátového centra do cloudu (AWS), podpora pri vytváraní tímu a dokumentácie a práca na rôznych projektoch na zlepšenie výkonu, stability, bezpečnosti a kontroly nákladov infraštruktúry. Pôsobí ako nezávislý konzultant, čo znamená, že tímy sa formujú podľa jeho návrhov. Jeho zručnosti zahŕňajú širokú škálu technických znalostí vrátane návrhu infraštruktúry, analýzy systému, programovania, databáz, správy systému, QoS a návrhu a implementácie siete. Má skúsenosti s operačnými systémami Linux a Windows, programovacími jazykmi C, Java, PHP, SQL, bash, Javascript, Pascal, Delphi, databázovými systémami Oracle DBMS, mySQL, PostgreSQL, MS-SQL a ďalšími technológiami, ako sú napríklad pipelines CI alebo Kubernetes. Okrem toho prednášal na viac ako 17 obchodných a 10 akademických konferenciách, viedol rôzne semináre a 14 rokov učil na univerzitách a stredných školách. Pozná agilné prostredie, v ktorom pracuje už 6 rokov. Ovláda gréčtinu, angličtinu a španielčinu.

11/2019 - current: DevOps engineer

• Responsible for maintaining and configuring tools for deployment and operations in an enterprise environment.
• Plan and implement improvements for enterprise cloud-based infrastructure.
• Successfully engineered and deployed the transition from Data Centre to the cloud (AWS).
• Support team formation and handle non-technical tasks such as documentation and procedures.
• Projects include migration to AWS, ad-hoc requests from project teams, infrastructure improvements for performance, stability, security, and cost control, as well as monitoring and logging pipeline enhancements.

11/2016 - 11/2019: DevOps engineer (company)

• Maintained and developed tools for maintenance and deployment in an enterprise environment.
• Planned and executed improvements for enterprise infrastructure.
• Successfully engineered and deployed the transition from Data Centre to the cloud (AWS).
• Projects included virtualization of hardware solutions, improving infrastructure security and stability, and migrating a product to AWS.

9/2015 - 11/2016: IT Infrastructure Architect (company)

• Designed and led infrastructure projects.
• Suggested and planned improvements for infrastructure.
• Analyzed existing infrastructure and provided technical support for complex issues.
• Consulted on new projects and technologies.
• Main focus areas were data centers, virtualization, networks, servers, and storage.

6/2013 - 8/2015: IT specialist (company)

• Worked on engineering tasks and projects for Middleware products, mainly scripting.
• Provided automation solutions for IBM customers.
• Offered remote support for Middleware products.
• Required communication with clients.

1994 - 2013: Freelance (various)

• Worked as a system architect, designing and building IT solutions such as Data Centers and HPC systems.
• Performed system administration, problem-solving, and engineering tasks on various operating systems, clusters, and networks.
• Developed scripts in Bash, awk, Python, and other languages.
• Programmed applications in various languages for different purposes.
• Worked on research projects related to clusters, HPC, and volunteer computing.

2000 - 2010: TEI of Athens (company)

• Designed and implemented various projects, applications, and databases.
• Conducted research on clusters, HPC, and volunteer computing.
• Provided administrative and technical support for EU-funded projects and conferences.
• Tutored courses on System Architectures, Databases, and Microcomputing.

2007: C. Varvias & Associates S.A. (company)

• Worked as an IT consultant and IT division manager.
• Improved infrastructure, security, applications, and workflow.
• Implemented virtualization and better assets' control to reduce business costs.

2001 - 2003: Vlachopoulos S.A. (company)

• Served as a product manager and solution provider for biometric identification and custom solutions.

2001 - 2002: Lavisoft S.A. (company)

• Worked as a programmer and new technologies consultant.
• Conducted training sessions.

1997 - 1999: University of Exeter (company)

• Taught undergraduate workshop sessions for SQL, Oracle*Forms, and Java.

1990 - 1996, 2000: Talos Ltd (company)

• Worked in various roles including programming, customer support, procurement officer, system analyst, and system and database specialist.

Skills and competences:

• Experience as an entrepreneur provided a deep understanding of business and technical matters.
• Proficient in designing and implementing data centers, system analysis, and migrations.
• Strong presentation skills with experience in both business and academic settings.