Infrastructure Services Technician

Additional Information:

Initial 3 month contract starting between Mid July -early August.

Role: Infrastructure Services Technician

Location: Dublin

*Candidates must be authorised to work in the EU*

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)



● 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

*NB: All applicants CVS will be reviewed and should your skillset match our client’s requirements, we will contact you via email / mobile.  We are also happy to consider you for other open opportunities within Firstaff.  If however, you object to us holding your data on file, please acknowledge via email by return.

Please see our Privacy Policy below*

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Paul Dooley

Managing Director

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