network administrator @thessaloniki

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