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Senior Network Engineer, Fintech at Optasia | JobVerse
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Senior Network Engineer, Fintech
Optasia
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Senior Network Engineer, Fintech
Greece
Full Time
4 hours ago
No Sponsorship
Apply Now
Key skills
DNS
Firewalls
Linux
Switching
TCP/IP
LDAP
Active Directory
Communication
Collaboration
Network Security
Firewall
About this role
Role Overview
Participate in the design, implementation, and continuous improvement of enterprise network and security solutions
Deploy, configure, and maintain enterprise network infrastructure, including switches, routers, wireless networks, and next-generation firewalls
Administer and support security technologies such as firewalls, VPNs, network access control, and network segmentation
Monitor network and security infrastructure to ensure high availability, performance, and resilience
Perform network hardening, vulnerability remediation, and security improvement activities
Investigate and troubleshoot complex network and security incidents, including root cause analysis where required
Support Layer 2 and Layer 3 network services, including VLANs, STP, LACP, routing, DNS, DHCP, and TCP/IP services
Manage and support VPN technologies, including IPsec VPN and SSL VPN solutions
Collaborate with internal technical teams, project managers, and external vendors to deliver infrastructure and security projects
Participate in infrastructure upgrades, migrations, disaster recovery planning, and operational improvement initiatives
Ensure network and security solutions comply with organizational policies and industry best practices
Provide technical support and guidance to other IT teams when required
Maintain accurate technical documentation, network diagrams, configuration standards, changes, and operational procedures
Requirements
5+ years of hands-on experience as a Network Engineer or Network Security Engineer
Strong understanding of enterprise networking principles and protocols, including TCP/IP, DNS, DHCP, VLANs, and IEEE 802.1X
Strong knowledge of Layer 2 technologies, including Spanning Tree Protocol and Link Aggregation Control Protocol
Good understanding of Layer 3 routing technologies and protocols
Strong knowledge of VPN technologies, including IPsec VPN and SSL VPN
Extensive experience with Cisco networking technologies, including switching, routing, and enterprise campus networks
Hands-on experience with enterprise firewall platforms such as Cisco ASA, Cisco Firepower, and Fortinet FortiGate
Familiarity with enterprise wireless networking solutions
Working knowledge of Windows and Linux operating systems
Experience with network monitoring, troubleshooting, and diagnostic tools
Understanding of network security best practices, including segmentation, zero-trust principles, and secure network architecture
Familiarity with authentication and identity services such as RADIUS, Active Directory, and LDAP
Experience with vulnerability assessment, hardening, and remediation processes
Ability to create and maintain technical documentation, network diagrams, configuration standards, and standard operating procedures
Excellent problem-solving, analytical, communication, and collaboration skills
Professional certifications such as Cisco CCNP Enterprise, CCNP Security, Fortinet NSE, FCP, or FCSS will be considered an advantage
Tech Stack
DNS
Firewalls
Linux
Switching
TCP/IP
Benefits
💸 Competitive remuneration package
🏝 Extra day off on your birthday
💰 Performance-based bonus scheme
👩🏽⚕️ Comprehensive private healthcare insurance
📲 💻 All the tech gear you need to work smart
🎌 Be a part of a multicultural working environment
🎯 Meet a very unique and promising business and industry
🌌 🌠 Gain insights for tomorrow market’s foreground
🎓 A solid career path within our working family is ready for you
📚 Continuous training and access to online training platforms
🍜 Enjoy comfortable open space restaurant with varied meal options every day
🎾 🧘♀️ Wellbeing activities access such as free on-site yoga classes, plus available squash court on our premises
Apply Now
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