Senior Network Engineer

Performance Technologies

Athens, Attica, Greece Hybrid permanent

Posted: October 13, 2025

Required Skills

Job Description

We are seeking a Senior Network & Cloud Engineer to lead critical infrastructure initiatives across data centers and cloud environments. The role demands strong leadership, change management, and results orientation, coupled with technical expertise in any of NSX-T, Juniper/Aruba SDN, ACI, and cloud networking. The ideal candidate is expected to communicate complex architectural concepts clearly to both IT teams and senior management in a global, matrixed organization.

Key Responsibilities

• Lead large-scale architecture, standardization, and transformation initiatives across data centers and cloud environments.
• Finalize SDN configurations with a priority on NSX-T competency; rollout to production and decommission legacy data centers.
• Provide L3 support for production systems alongside Build and Support teams.
• Deliver technological designs and solutions that align with business needs, technical strategy, and cost-effective best practices.

Requirements:
• Bachelor’s degree in Computer Science, Information Technology, Telecommunications, or a related field.
• Deep expertise in network and cloud design patterns, IT infrastructure, and security best practices.
• Hands-on experience with Data Center and Cloud networking technologies, including: VMware NSX-T, HPE/Juniper SDN or Cisco ACI, Cloud platforms: AWS, Azure, Google Cloud
• Network Security solutions: SASE, VPN (Cisco, F5), Firewalls (Checkpoint, Palo Alto, Cisco, Algosec), Web gateways (McAfee), segmentation technologies, identity services.
• Network automation experience: Terraform, Ansible, Python is appreciated.
• Ability to discuss and explain complex architectures to both senior management and IT teams in clear language.
• Strong communication, collaboration, and listening skills
• Ability to work effectively in a strong team
• Strategic thinking and problem-solving at the infrastructure and technical levels
• Excellent verbal and written English communication skills.

We will offer you a friendly and dynamic working environment, in which you can develop your skills and competencies and a workplace with a strong focus on values and work-life balance.

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