# Senior Network Engineer

> Performance Technologies · Athens, Greece (Hybrid) · Full-time · Posted 2025-10-13

**Workplace:** hybrid

**Department:** Cyber Security

## 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.

## Apply

[Apply at Performance Technologies](https://apply.workable.com/performance-technologies/j/162A55EE04/apply)

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