**Company Description** Because working at Sopra Steria also means feeling **Sopra Steria**. We are a renowned European leader in consulting, digital services, and software development, with nearly 56,000 employees across nearly 30 countries and over 4,000 in Spain. We focus on people—on their training and professional development—which drives us to grow and continuously improve. We are passionate about the digital world, and just like you, we seek the greatest adventure. We want your everyday experience to become your greatest source of inspiration—to learn, contribute, have fun, grow, and, above all, enjoy it to the fullest. If you want to join a “**Great Place to Work**” team, keep reading! **Job Description** **What challenge are we proposing?** We are currently seeking a senior Communications and Security Administrator for a telecommunications sector project involving a hybrid-work-mode migration. **Requirements** **What are we looking for?** Communications and Security Administrator with experience in the following technologies: * Check Point CloudGuard Network Security Firewall * Check Point VSX-VSLS Firewall * Oracle Cloud Infrastructure Networking * Citrix Netscaler Load Balancer * Cisco ASA SSL VPN * BlueCoat SGC Proxy * Communications and Networks (primarily Juniper and Arista) And capable of independently performing the following tasks: * Implementing redesign of communications architecture between Cloud and On-premises. * Setting up communications for services to be migrated. * Configuring network landing zone for the service to be migrated. * Configuring firewall policy migration. * Configuring migration of load-balanced services. * Configuring migration of SSL VPN access. * DNS provisioning in Infoblox and Active Directory. **Additional Information** What do we offer you? * Indefinite-term contract and full-time schedule * 23 vacation days * Continuous training: technical, transversal, and language skills. We provide access to certifications, training from leading Technology Partners, online platforms, and much more! * Life and accident insurance * Option to join our flexible compensation plan (medical insurance, childcare vouchers, transportation, meal vouchers, and training) * Access to the Privilege Club, offering attractive discounts from top brands * Personalized and detailed onboarding. We support you every step of the way so you feel \#soprano from day one. * Office with dedicated leisure spaces. Work and fun combined! * Camaraderie and a positive atmosphere—we truly value the power of unity. And most importantly… You have the opportunity to develop your professional career with us: Together, we will create a personalized career plan. You’ll receive training, we’ll set goals, and conduct follow-ups to ensure we achieve them together. We listen to your priorities and advocate for them. Here, your voice matters! Join us and be part of something bigger! **The world is how we shape it** We commit to respecting diversity by fostering an inclusive work environment and implementing policies that promote inclusion and social and cultural respect regarding gender, age, ability, sexual orientation, and religion—with equal opportunities.