Deloitte is a worldwide leader in Professional Services with a presence in more than 150 countries and territories. Since 2018, Deloitte has been operating its Competence Center in Thessaloniki with satellites in the cities of Patras, Heraklion, and Ioannina - which are model hubs of expertise, training, and innovation, specializing in cutting-edge exponential technologies, in which graduates and young professionals undergo immersive experiences, continuous learning, gaining practical insights and hands-on training that empower them to navigate the complexities of the digital landscape.

Deloitte is an ideal working environment for both young and senior professionals who want to take the next step in their careers, offering them a supportive and international working environment that leverages their expertise and potential. Its corporate culture is based on trust and collaboration and ensures diversity and inclusion so that everyone feels part of a great team.

#YourServiceLine: Technology & Transformation

Our Technology & Transformation teams empower organizations to navigate the future through technology-driven business transformation. Combining deep industry knowledge with cutting-edge technology, we deliver tailored solutions that drive innovation, enhance efficiency, promote cybersecurity, and foster sustainable growth.

#AboutYourRole

Your role as a Network Administrator will focus on the delivery of client engagements, by understanding objectives for clients’ engagements, aligning your own work to objectives and setting personal priorities, teaming with others across businesses and borders and taking accountability for own and team results. In this role, you will build relationships and exercise your communication skills in order to positively influence your peers and other stakeholders. You will commit to personal learning and development by actively seeking opportunities for growth, you will share knowledge and experience with others, and act as a strong brand ambassador, embracing our purpose and values in order to put these into practice in your professional life.

During your tenure, you will demonstrate and develop your ability to:

Design, configure, and maintain enterprise computer networks (LAN, WAN, and SD-WAN) ensuring performance, scalability, and reliability.
Deploy, manage, and troubleshoot Cisco and HP network devices including switches, routers, and wireless controllers.
Implement and optimize dynamic routing protocols such as BGP and OSPF for efficient and resilient connectivity.
Configure and manage firewalls (Cisco ASA, Check Point, Palo Alto) to enforce network security and access control policies.
Administer Cisco ACI environments, supporting data center automation, segmentation, and policy-driven networking.
Deploy and manage Network Access Control (NAC) solutions to secure endpoints and regulate network access.
Plan, implement, and maintain network segmentation and security zoning to protect critical infrastructure and data.
Support and maintain PBX and VoIP solutions (Cisco Call Manager, Asterisk), ensuring high-quality unified communications.
Install, monitor, and troubleshoot Wi-Fi and audio-visual systems to provide seamless connectivity and collaboration experiences.
Utilize network monitoring and diagnostic tools to proactively identify issues, analyze performance, and optimize uptime.

#OurRequierements

Key Qualifications

Bachelor’s or Master’s Degree in Computer Science, Information Technology, Engineering, Mathematics, or a related field
Minimum of 6 years of relevant professional experience
Proficient in computer networks including LAN and WAN
Hands-on experience with Cisco and HP networking equipment
Skilled in switching and routing protocols such as BGP and OSPF
Expertise in firewall configuration and management with Cisco ASA, Check Point, and Palo Alto
Knowledge of SD-WAN technologies
Experience with Cisco ACI for data centre networking
Familiarity with Network Access Control (NAC), network security, and segmentation
Experience with PBX and VoIP systems, including Cisco Call Manager and Asterisk
Understanding of Wi-Fi infrastructure and audio-visual systems integration
Proficient in using network monitoring tools
Relevant professional certifications such as CCNA, CCNP, CCIE, or equivalent
Strong interpersonal and communications skills in English

#WhoWeAreLookingFor

Individuals who have a strong will to expand their knowledge of new technologies, a passion to grow within the company and aspirations for career growth. At Deloitte we foster a consultative culture because the best decisions are made in collaboration with others. We approach our work with a collaborative mindset, teaming across businesses, geographies, and skill sets to deliver tangible, measurable, attributable impact. These are not aspirations, but principles that we all commit to today and every day.

#WhatWeOffer

At Deloitte, we know that great people make a great organization. We value our people and offer employees a broad range of benefits:

🏠 Modern hybrid workplace, characterized by flexibility and Smart Working

⚖ Empowered well-being: We provide multiple program offerings to support your well-being needs (flexible working arrangements, extra days of leave, parental allowances)

🌍 Engagement within international large-scale teams and projects, with opportunities to travel for training or client purposes

📚 Constant opportunities for learning with unlimited access to internal and external learning platforms and sponsored certificates aligned with business needs and technology trends

🚀 Challenging and innovating environment where personal development and growth are encouraged, always with transparency and trust

👬 Diverse culture and active communities that enable you to bring yourself to work

🎉 Team Building and Corporate Social Responsibility Activities

🏃 A buddy to support you with your onboarding

⚕️ Private medical health insurance plan

💳 Ticket restaurant card

🛍️ Exclusive Discounts to several retail providers, restaurants and others

📱 Mobile phone

🍏 Fresh fruits and unlimited coffee everyday at our offices

Please note that all the well-being benefits mentioned above are subject to annual review

#AboutDeloitte

Our services

Deloitte offers Global professional services that include Audit, Risk Advisory, Tax, Consulting and Financial Advisory. Our approach combines insight and innovation from multiple disciplines with global business and industry expertise to help our clients excel anywhere in the world.

We deliver outstanding impact on the reputation and success of our clients, in Greece and globally. In pursuing this we contribute to a sustainable and prosperous society, and are firm believers in the positive impact business can and should have on the world it operates within.

Our Purpose

Our purpose, “To make an impact that matters for our clients, our people and society “- defines who we are and what we stand for. This is not about size it is about being the first choice. The first choice for the largest and most influential clients and the first choice for the best talent.

Our values

At Deloitte, we foster a collaborative culture where talented individuals can produce their best work. We value innovative thinking, diverse insights and a genuinely distinctive level of customer service through our expertise and professionalism.

We value difference, with respect at the heart of our inclusive culture.

Our talent experience

From day one at our firm, practitioners are part of a community. Our development and career progression framework will help them develop the skills and capabilities to succeed. The wellness of our people and the ability to offer agile working arrangements is at the center of our unique talent experience. We create a workplace that encourages collaboration, creativity, inclusiveness to ensure our staff are supported, encouraged and feel a sense of purpose and meaning in what they do each day.

Sounds like the sort of role for you? Apply now.

Location: Thessaloniki

This document has been prepared by Deloitte Alexander Competence Center Single Member Societe Anonyme of Business Consultants.  

Deloitte Alexander Competence Center Single Member Societe Anonyme of Business Consultants, a Greek company, registered in Greece with registered number 144724504000 and its registered office at Thessaloniki, Municipality of Pylaia - Chortiatis of Thessaloniki, Vepe Technopolis Thessaloniki (5th and 3rd street), is one of the Deloitte Central Mediterranean S.r.l. (“DCM”) Countries. DCM, a company limited by guarantee registered in Italy with registered number 09599600963 and its registered office at Via Tortona no. 25, 20144, Milan, Italy is one of the Deloitte NSE LLP Geographies. Deloitte NSE LLP is a UK limited liability partnership and member firm of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee (“DTTL”).
DTTL and each of its member firms are legally separate and independent entities. DTTL, Deloitte NSE LLP and Deloitte Central Mediterranean S.r.l. do not provide services to clients. Please see www.deloitte.com/about to learn more about our global network of member firms.
This document and its contents are confidential and prepared solely for your use, and may not be reproduced, redistributed or passed on to any other person in whole or in part, unless otherwise

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checkpoint

computer networks

cisco

palo alto

network access

ccna

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Network Administrator @Thessaloniki

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Network Administrator @Thessaloniki