Senior Email Security Administrator

Alter Domus

Cork, Ireland
On-site
Mimecast and proofpoint tessian administration
Microsoft 365 and exchange online security
Phishing, malware, and bec protection
The Senior Email Security Administrator plays a crucial role in leading our Email Security program, owning the design, implementation, and optimization of Mimecast and Proofpoint Tessian solutions

Job Summary

  • The Senior Email Security Administrator plays a crucial role in leading our Email Security program, owning the design, implementation, and optimization of Mimecast and Proofpoint Tessian solutions.
  • Key responsibilities include designing and owning the email security architecture, driving policy tuning for optimal user experience, and serving as the primary point of contact for email and messaging security initiatives.
  • Alter Domus offers support for professional accreditations, flexible arrangements, continuous mentoring, and the opportunity to invest in the company's growth through an Employee Share Plan.

Matching Summary

The Senior Email Security Administrator plays a crucial role in leading our Email Security program, owning the design, implementation, and optimization of Mimecast and Proofpoint Tessian solutions.

Skills & Requirements

Must-have

  • Mimecast and Proofpoint Tessian administration
  • Microsoft 365 and Exchange Online security
  • Phishing, malware, and BEC protection
  • Email authentication protocols (SPF, DKIM, DMARC)

Nice-to-have

  • Proactive problem-solving skills
  • Collaborative enterprise approach
  • Structured mindset and attention to detail

Key Requirements

  • 7+ years of experience in Cybersecurity
  • Bachelor’s degree in computer science or related field
  • Experience securing Microsoft 365 and Exchange Online
  • Experience supporting regulated organizations (e.g., GDPR)

Work Rights

Not specified

Tailored Resume

Cover Letter