Unix Messaging Systems Admin

1 day 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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