Unix Messaging Systems Admin

1 week ago

مصر, Egypt Orange Business Services Full time

**About the role**: **Responsibilities**: - Administrate and supervision of SMTP "Simple Mail Transfer Protocol" Messaging services components (Solaris & Linux operating systems, Antivirus TrendMicro Software's (ISVW, IMSS), all MTA "Mail Transfer Agents" (SunOne, Postfix,), Storage agents (Sun, ), Antispam software ( Sophos,), LDAP Services ) as to maintain service availability and reduce risk. - Administrate the Messaging Management infrastructure ( Firewalls, DNS "domain name service" Servers, Alteon & layer 4 switches ). - Provide level 2 support as Subject Matter Expert of the Messaging customers for Orange's Managed SMTP Messaging services, for external and internal customers & -Trouble-shooting and diagnosing problems leading to effective and efficient problem resolution in order to meet requirements of Service Level Agreements and contractual commitments to customer. - Coordinate with the others operational entities inside IT Services, as Customer Technical Support (Monitoring / Trouble Ticketing) acting as level 1 support teams & other ITD teams for others Line of Business ( Security, Other Messaging Line of Business ) - Participate in the oncall process. - Pro-active management via managing the alarms (with their different severity) to ensure stable platforms and avoid outages. - Definie the needs for the evolution and enhancements of the administration and monitoring systems for the SMTP Messaging Service Components, & improve operational Guidelines and procedures ( monitoring, support, implementation). - Validate & Performe changes on existing platforms. - Deploy SMTP new customers' platforms according to Orange standards and following engineering recommendations. - Test the implemented platforms to ensure compliance with customer request. - Manage migration when applicable. - Train L1 teams - Produce, maintain, update and follow service-related documentation, such as network diagrams, equipment and service inventory databases, operational process, procedure and technical instructions. - Manages technical relationship with our supplier for third party Anitspam and Antivirus mail relaying solution (Frontbridge), & represent main technical and support contact for that solution. **About you**: - Good knowledge / experience for Messaging domains (MTA "Mail Transfer Agents", Messaging protocols, Mail routing, Anti-virus, Antispam technologies) - Good knowledge / experience for Solaris, Linux (Redhat) system administration. - Demonstrate skills & experience in Unix based Mailing systems (iPlanet, SMTP and LDAP protocols, SunOne, Postfix, Sophos, Oracle Communications Suite) - Demonstrate skills in DNS "Domain Name Service", Firewalls management, Layer 4 Switches - Solaris or Linux certifications (SCSA "Sun Certified System Administrator for Solaris", RCHT "Red Hat Certified Technician") is a plus - Autonomous and self-organized. - Customer oriented (Strong ability to work with International customers) - Good communication (written and spoken) - Languages: Fluent English, & fluent French is an added value (written and spoken) - Ready to participate in on-call and shifts **Additional information**: **Department**: Customer Services & Operations **Contract**: Regular

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