Systems and Security Engineer

About the role

Orizon, a multi-service provider combining energy and telecommunications, is strengthening its team in Athens and seeking a Systems and Security Engineer. The Network and Infrastructure team works closely with the Mobile Services team and covers the IP and transport network, physical and virtual infrastructure and supporting services of the MSP/ISP. The role suits a passionate systems engineer who wants to join an MSP/ISP in the making.

Key responsibilities

• Design and deploy physical and virtual infrastructure supporting telecommunication services and applications
• Specify and document best practices and procedures for engineering and operations
• Define and monitor KPIs for systems performance and planning
• Enhance site reliability using proven engineering methods and toolsets
• Design and implement security policies for systems and applications of mobile services
• Manage suppliers and subcontractors providing related products and services

Required profile

• University degree or equivalent in Engineering, Computer Science or similar
• 3-5 years of experience managing computer systems, servers and virtualization platforms
• Fluency in English, oral and written

Required skills

• Systems (physical, virtual, public cloud) management and virtualization platforms / operating systems: Windows Server, Hyper-V, VMware, Linux
• Basic networking principles (VLANs, link aggregation, routing protocols such as BGP)
• Security measures and operating procedures for systems and hosted applications
• System observability tools (e.g. TICK stack)
• Security technologies such as firewalls/IPS, VPNs, authentication systems
• Scripting/programming (e.g. Bash, Python), automation frameworks (e.g. Ansible), DCIM/IPAM (e.g. Netbox), DevOps and CI/CD frameworks
• Bonus: ISP services (RADIUS, LDAP, DNS, DHCP, NTP, TR069/TR369), public cloud (Azure, AWS), deployment and operational experience

What we offer

• Competitive salary package aligned with experience and expectations
• Hybrid working model
• Private health insurance and corporate benefits and perks
• Half-day work on birthdays, early Fridays in summer and team-building activities
• Ongoing training and development
• A modern office space