System Engineer - Network & Security Administrator

ATOS

• At least 5 years of hands on experience in Network/Security Administrator/Engineer positions.
• Bachelor’s degree in Computer, Electrics/Electronics Engineering or related departments.
• Very good command of English.
• One or more items of the following technical skill sets are required in line with the ITIL methodology according to the requirements of the position:
• CCNA/CCNP certification
• Expert in LAN/WAN switches, routers and interconnections (Cisco, Juniper, HPE, etc.).
• Expert in enterprise network firewalls (Check Point, Cisco, Juniper, Fortinet, Palo Alto, etc.).
• Experience with site-to-site, client-to-site, SSL VPN configurations and operations.
• Experience with WLAN, WLC, WCS (Cisco, HPE, etc.).
• Experience with load balancers (F5, Citrix, etc.).
• Experience with Intrusion Detection and Prevention Systems.
• Experience with WAN optimization, bandwidth management, application accelerator and proxy systems.
• Experience with 802.1x, NAC, EAP, RADIUS.
• Experience with DHCP, IPAM.
• Experience with DNS.
• Experience with VMware NSX is a plus.Experience with contact center infrastructure (Genesys, Avaya, Cisco, Unify, etc.) is a plus.
• Experience with video-conferencing and telepresence (Cisco, Polycom, Avaya, etc.) is a plus.

İŞ TANIMI

• Design, install, configure, test and maintain network and security systems and management tools.
• Manage and monitor installed systems.
• Proactively ensure the highest level of service availability and security in a 24/7 production environment.
• Provide 3rd level support for LAN, WAN and security services.
• Maintain a proactive view on the capacity and performance of network and security systems.
• Conduct regular performance analysis to identify and mitigate performance flaws.
• Enable automation.
• Perform preventive security monitoring activities.
• Evaluate systems for unnecessary or unsafe activities and develop solutions to mitigate security risks.
• Contribute to and maintain system/service standards.
• Develop and maintain security, backup and redundancy strategies.
• Train 1st and 2nd level support teams.
• Perform periodic performance reporting to support capacity planning.
• Maintain operational, configurational and other procedures.
• Maintain topology, inventory and service specification documents.
• Liaise with vendors and other IT personnel for problem resolution.
• Provide consultancy and input to solution design, pre-sales, service delivery.
• Communicate technical and non-technical information to technical support groups, customer support centers and end-users as required.