What you'll do
- Operate, monitor, and support SDN and FWaaS platforms and services daily
- Provide technical support L1/L2/L3 for SD-WAN and Firewall-as-a-Service environments
- Monitor and troubleshoot WAN links, routing, QoS, and traffic policies
- Manage and resolve incident tickets and service requests
- Support SD-WAN orchestrators like FortiManager and VMware Orchestrator
- Administer and update security policies on FWaaS platforms including web filtering, IPS/IDS, and threat prevention
- Conduct root cause analysis for performance and security issues
- Coordinate with NOC, SOC, vendors, and engineering teams during major incidents
- Ensure SDN and FWaaS services comply with SLAs, KPIs, and security requirements
Key requirements
- 3+ years' experience
- SD-WAN design, deployment, and optimization across multi-site and hybrid cloud environments
- Firewall as a Service (FWaaS) deployment knowledge and experience
- Technical support at L1/L2/L3 levels for SD-WAN and FWaaS platforms
- Monitoring and troubleshooting of WAN links, routing, QoS, and traffic policies
- Use of SD-WAN orchestrators such as FortiManager and VMware Orchestrator
- Security policy administration including web filtering, IPS/IDS, threat prevention on FWaaS
- Root cause analysis (RCA) for network performance and security issues
- Coordination with NOC, SOC, vendors, and engineering teams
- SLA and KPI compliance management
- Zero Trust Network Access (ZTNA) and Secure Access Service Edge (SASE) framework familiarity
- VPN technologies and remote access solutions integrated with SD-WAN and FWaaS
- Telecommunications
Benefits
- Award-winning work environment certified #1 Top Employer in Greece.
- Competitive pay, bonus & remuneration package, private health & medical insurance.
- Hybrid working options including remote and office-based working and option to work from abroad.
About the job
Responsible for the day-to-day operation, monitoring, and support of SDN and FaaS platforms and services. The role ensures service availability, security enforcement, and SLA compliance during the Run phase, supporting mission-critical network and security services for SME and Major customers.
Key Accountabilities:
Responsible for providing technical support (L1/L2/L3) for SD-WAN and Firewall-as-a-Service environments
Perform monitoring and troubleshooting of WAN links, routing, QoS, and traffic policies.
Manage and resolve incident tickets and service requests.
Support SD-WAN orchestrators (e.g., FortiManager, VMware Orchestrator).
Administer and update security policies in FWaaS platforms (web filtering, IPS/IDS, threat prevention).
Conduct root cause analysis (RCA) for performance and security issues.
Coordinate with NOC, SOC, vendors, and engineering teams during major incidents
Ensure SDN and FWaaS services meet defined SLAs, KPIs, and security requirements
Who you are
Bachelor’s Degree in Telecoms or related field
3+ years’ experience in similar position within a service provider/operator or vendor
Certifications such as CCNA (cisco) or FCP (Fortinet) are mandatory
Strong experience in SD-WAN design, deployment, and optimization across multi-site and hybrid cloud environments
Hands-on expertise with leading SD-WAN platforms
Proven track record in Firewall as a Service (FWaaS) deployments
Extensive experience in network segmentation, routing, QoS, and traffic engineering
Strong background in Zero Trust Network Access (ZTNA) and Secure Access Service Edge (SASE) frameworks.
Strong knowledge of VPN technologies and remote access solutions integrated with SD-WAN and FWaaS.
Proven ability to implement centralized monitoring and policy management using orchestration and cloud-based consoles.
Excellent written and verbal communications skills in Greek & English
Not a perfect fit?
Worried that you don’t meet all the desired criteria exactly? At Vodafone we are passionate about empowering people and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to still apply as you may be the right candidate for this role or another opportunity.
What's in it for you
Award-winning work environment -certified #1 Top Employer in Greece
Competitive pay, bonus & remuneration package
Private Health & Medical Insurance
Hybrid way of working: a blend of remote and office-based working, including the option to work from abroad
Unlimited access to learning resources and trainings
Vodafone Parental Leave: 16 weeks of fully paid parental leave to all employees regardless of gender, sexual orientation or length of service
Spirit of Vodafone Day: one day each quarter dedicated to your personal development
Extra days off: Vodafone Day, Family Day, Volunteering Day
Office amenities (subject to the office location): such as restaurant, beauty corner, gym and parking
Special employee offers and discounts

