Unix Messaging Systems Admin

About the role

We are looking to hire a highly motivated, best-in-class Technical Engineer to
join our team as Unix Messaging Systems Admin . The candidate will work with
minimum supervision in a dynamic environment to provide an End-to-End Support,
Reliable and Consistent messaging SMTP service for ‎150 + customer worldwide.
This can be achieved via efficient handling for all the assigned incident ,
event , change and release management tasks .
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.
* Apply & Install Patch updates & new software versions and upgrades.
* 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