Senior Email Security Engineer/ Cisco IronPort / M365 / Exchange/W2 only

We are seeking a Senior Email Security Engineer with strong hands-on experience across the full project lifecycle and enterprise email security environments. The ideal candidate will bring deep expertise in Cisco IronPort (IaaS SEG) and Microsoft email platforms, supporting both cloud and on-prem infrastructures.

This role requires a technically strong engineer who can design, implement, optimize, and secure enterprise-level email systems.

• Design, implement, and manage enterprise email security solutions

• Lead and support full system engineering and project lifecycle activities

• Manage and optimize Cisco IronPort (IaaS SEG) environments

• Support Microsoft Exchange (Online / M365 & On-Prem 2016/2019/SE)

• Implement and troubleshoot email security protocols and policies

• Automate tasks using PowerShell scripting

• Collaborate with infrastructure, security, and identity teams

• Strong hands-on expertise with Cisco IronPort (IaaS SEG) MUST HAVE

• Extensive experience with Microsoft Exchange (Online/M365 & On-Prem 2016/2019/SE)

• Deep understanding of email security protocols:

  • SPF, DKIM, DMARC

  • Anti-Spam, Anti-Malware

• Proficiency in PowerShell scripting and command-line administration

• Strong experience with:

  • Active Directory

  • Group Policy

  • DNS

  • Load Balancers

  • ADFS

  • Entra ID (Azure AD)

  • SAML

• Solid expertise in Windows Server 2016/2019 engineering and optimization

• Senior-level experience handling enterprise-scale environments

• Prior experience working in large enterprise or financial environments

• Strong troubleshooting and documentation skills

• Ability to work onsite and collaborate with cross-functional teams

• Onsite 4 days per week

• Jersey City, NJ