Infrastructure Services Technician

Job Description

Description:

Initial contract is for 3 months

Primary Role

● Implement Corporate Email Replacement

○ Understand postfix

○ Ansible and/or Kubernetes

● Work with Security to onboard DMARC vendor, possibly supplementing relay service

with SPF+DKIM+DMARC support

● Work with legacy support teams to migrate services currently using Exchange/Ironports onto new Comhar/eir mail relay service

● Daily review of indications of mail delivery success

○ Our own mail relay logs

○ Mailbox provider postmaster tools: Google, Microsoft, Yahoo(?), Apple(?)

○ DMARC vendor dashboards

○ Blacklist summary sites (i.e. mxtoolbox)

● Refine/tweak/adapt solution to minimize failures/blockages



Secondary Role

Basic Comhar project work (create systems in Foreman, provision in ansible, possibly tweaking/updating ansible to suit needs of project)


Skills Required

● Experience administering/configuring RHEL or CentOS systems

● Some shell (bash) or interpreted language scripting experience (perl, python)



Nice-to-have

● Experience configuring postfix

● Experience with maintaining email for a corporation

● Experience building/maintaining services in Kubernetes

● Experience working with vendors

● Experience with medium-term project coordination/management

● Knowledge of SPF and DMARC

● Knowledge of Prometheus, experience with building Grafana dashboards

● Experience writing ansible scripts

● Experience with the Google and Microsoft postmaster tools