DevOps Engineer

Jako DevOps Engineer pracuje již téměř 7 let. Mezi jeho odpovědnosti patří údržba a konfigurace nástrojů pro nasazení a provoz podnikového prostředí, plánování a nasazování vylepšení podnikové infrastruktury založené na cloudu, inženýrská činnost a nasazení přechodu z datového centra do cloudu (AWS), podpora vytváření týmů a dokumentace a práce na různých projektech pro zlepšení výkonu, stability, zabezpečení a kontroly nákladů infrastruktury. Působí jako nezávislý konzultant, což znamená, že týmy jsou sestavovány podle jeho návrhů. Jeho dovednosti zahrnují širokou škálu technických znalostí, včetně návrhu infrastruktury, systémové analýzy, programování, databází, správy systému, QoS a návrhu a implementace sítí. Má zkušenosti s operačními systémy Linux a Windows, programovými jazyky C, Java, PHP, SQL, bash, Javascript, Pascal, Delphi, databázovými systémy Oracle DBMS, mySQL, PostgreSQL, MS-SQL a dalšími technologiemi, jako jsou pipelines CI nebo Kubernetes. Přednášel také na více než 17 obchodních a 10 akademických konferencích, vedl různé semináře a 14 let vyučoval na vysokých a středních školách. Zná agilní prostředí, ve kterém pracuje již 6 let. Ovládá řečtinu, angličtinu a španělštinu.

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.