SMTP Linux Admin in AT&T

AT&T Global Network Services Czech Republic

Place of work
Palachovo Namesti 726/2, - Brno, Brno - City
Contract type
full-time

Information about the position

Job description, responsibilities and duties

This position is to provide operational support for backbone email messaging transport within AT&T. The suitable candidate will monitor, manage and maintain inbound and outbound email traffic for both external and internal mail relay servers. Part of the job is also managing a system for email filtering, mass mail control, enforcing infrastructure policy and addressing violations.

Roles and Responsibilities:
Main responsibilities will include operational support for:
o Corporate Enterprise Relay hosts for internal and external mail routing
o Corporate Email User Email Alias backend support and validation by Enterprise Relays
o Primary Enterprise GALSYNC processing
o Critical Path Messaging Services (CPMS) infrastructure
- DLIST – Customized distribution lists accessible for external customers.
- orgMail – Emailing tool allowing executives the ability to construct dynamic distribution lists for critical communications.
- Mass Mail Tool – Mass Emailing tool incorporating moderation
o DLP – digital leakage prevention program support with CSO
o Spoofed Email Program – Flagging of emails appearing to originate from AT&T but are originated by another entity
o Corporate Sendmail
o Anti-spam, Anti-virus, Content Control support with CSO for SEG (Corporate Edge Services)

Employee perks, benefits

We offer:
* Trainings on supported vendors certifications and career opportunities.
* Extra week of vacation.
* Meal vouchers.
* Advanced medical program.
* Salary compansation in case of sick leave
* Company risk life insurance.
* Demanding and interesting job.
* International and multicultural teams
* Company benefits (Pension & Leisure time)
* Modern workplace to make your job comfortable.
* Centre teambuilding events

Information about the selection process

Additional Information:
- Working hours: Mon-Fri EMEA business hours with on-calls
- Fluent in spoken and written English
- No travel required, office work only

Requirements for the employee

Candidates with education suit the position

Secondary with school-leaving examination
University student
University education (Bachelor's degree)
University education (Master's degree)

Language skills

English - Upper intermediate (B2)

Other knowledge

UNIX/Linux - Advanced
UNIX/Linux administration - Advanced

Personality requirements and skills

Key Competencies and Skills:
- Working experience with Unix/Linux environment
- Scripting skills in Bash and/or Perl
- Understanding of SMTP and associated protocols such as TLS.
- Solid understanding of Sendmail or similar MTAs (eg. PostFix).
- Network protocols: IP and associated tools for troubleshooting issues, DNS, open SSL, SSH, LDAP, etc.
- Ability to organize and work on multiple concurrent tasks, attention to detail
- Able to identify business process inefficiencies and work to improve, and create opportunities of growth.
- As advantage: familiarity with List servers, anti-virus, anti-spam and content control rules, MS Exchange

Education and Qualifications:
Certifications in UNIX/Linux an advantage

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Brief description of the company

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