Network Security Engineer Location: Athens At Vodafone, we’re working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it's our human spirit, together with technology, that empowers us to achieve this. We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and earning their loyalty drive us, and we experiment, learn fast and get it done, together. With us, you can be truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference. What you’ll do: As a Network Security Engineer you will be responsible for the overall High/Low Level Design and working configuration for the network security capabilities that support reliable and secure hosted and collaborative services across the whole Vodafone business, mainly focused Data Center and Office network environments. More specifically you will: • Drive increased quality of our network end to end • Provide HLDs, LLDs, define templates, modularize and industrialize configuration items and their implementation. • Deploy the network fit for purpose including understanding of how our services/applications layer will run across the network (capacity, capability, utilization) • Harmonize office LAN services, enable seamless access over a converged wired/wireless network to global IT systems and provide guest services for external partner services as well as Third party connectivity • Implement Virtualization and segregation concepts • Conduct proof of concept (POC) validation • Responsible for optimal implementation process that delivers ensured quality • Quality assurance in the design and implementation process • Responsible to ensure a network documentation • Responsible to ensure network harmonization and standardization across the Region / the local market Who you are: • An academic degree and/or at least 3-5 years work experience in an IT organization supporting large heterogeneous IT infrastructures. • Experiences in project management • Result-oriented and enjoy taking initiative as well as responsibility • Fluent English oral and written • Understanding of operational environments and delivery projects • Ability to work across multi-functional and cultural boundaries to deliver results/change • Familiarity with other engineering domains or teams involved in network security aspects such as OSS, IT and CSO departments • Knowledge of Mobile Network Operator environment as well as 3GPP standard architectures • Strong experience in Python and GoLang, automation scripting, and automation frameworks • Designed, developed, and executed System Test documents (Test Strategy, Test setup, Test Report), test case documents • Expert Knowledge in networks (TCP/IP, Protocols, Structures, Hardware, Security) • Expert Knowledge in the area of the installation and configuration of network components (Routers, Firewalls) • Deep knowledge of IP networks security systems, with experience on the engineering and management of Firewalls, IDS/IPS, PKI, and content filtering platforms. • Expert Knowledge in security (Encryption, Authentication, Authorization, Accounting, 802.1x, PKI, certificates) • Knowledge in network management and network analysis Not a perfect fit? Worried that you don’t meet all the desired criteria exactly? At Vodafone we are passionate about Inclusion for All 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 apply as you may be the right candidate for this role or another role, and our recruitment team can help you see how your skills fit in. What's in it for you: • 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 up to 20 days from abroad • Remote work equipment to help you create a comfortable, ergonomic workspace at home  • 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  • Needless to say, we cater for your communication wherever you are • Office amenities (subject to the office location): such as restaurant, gym, beauty corner and parking • Special employee offers and discounts