Senior Email Security Administrator

Alter Domus

Vilnius, Lithuania
Gross monthly salary: €3,000 - €4,583; bonus/equit...
On-site
Mimecast administration
Proofpoint tessian administration
Microsoft 365 security
The Senior Email Security Administrator will own the design, implementation, and optimization of Mimecast and Proofpoint Tessian solutions, partnering closely with the IT Messaging team to ensure secure messaging delivery

Job Summary

  • The Senior Email Security Administrator will own the design, implementation, and optimization of Mimecast and Proofpoint Tessian solutions, partnering closely with the IT Messaging team to ensure secure messaging delivery.
  • 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 development through their Academy and LinkedIn Learning, flexible arrangements, generous holidays, and a 24/7 Employee Assistance Program.

Matching Summary

The Senior Email Security Administrator will own the design, implementation, and optimization of Mimecast and Proofpoint Tessian solutions, partnering closely with the IT Messaging team to ensure secure messaging delivery.

Salary

Gross monthly salary: €3000 - €4583; Bonus/Equity: Not specified; Benefits: Support for professional accreditations, flexible arrangements, generous holidays, Employee Assistance Program, Employee Share Plan, plus additional local benefits

Skills & Requirements

Must-have

  • Mimecast administration
  • Proofpoint Tessian administration
  • Microsoft 365 security
  • Exchange Online security
  • SPF, DKIM, DMARC
  • phishing and BEC threat mitigation

Nice-to-have

  • structured mindset
  • proactive problem-solving
  • collaboration with IT teams
  • user behavior analytics
  • regulated organization support

Key Requirements

  • 7+ years of experience in Cybersecurity
  • Bachelor’s degree in computer science, Information Security, or related professional experience
  • Extensive hands-on experience administering Mimecast, Proofpoint Tessian
  • Proven experience securing Microsoft 365 and Exchange Online
  • Experience with Microsoft Purview with Data Loss Prevention (DLP) is a big plus
  • Familiarity with SIEM/SOAR integrations
  • Relevant security certifications (e.g., CISSP, Security+)

Work Rights

Not specified

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