Collaboration Technology Administrator

Victaulic•Easton, PA

About The Position

Victaulic is seeking a highly experienced Collaboration Technology Administrator with deep, hands-on expertise in enterprise email systems and Microsoft 365. The primary focus is ownership of Victaulic’s hybrid email architecture, including Exchange Online, on-premises Exchange relay servers, Proofpoint Email Security, and DNS-based mail routing and authentication. This individual will serve as the technical authority for mail flow design, configuration, troubleshooting, and security, ensuring reliable delivery, strong anti-spoofing protections, and compliance with enterprise email standards. The role also requires senior-level administration of Microsoft 365 using E5 licenses and features, including operating as a Global Administrator when required.

Requirements

Enterprise email administration (5+ years preferred)
Microsoft Exchange Online (advanced mail flow, connectors, transport rules)
On-premises Exchange used as SMTP relay infrastructure
Proofpoint Email Security administration in a production enterprise environment
Advanced understanding of SMTP, mail routing, and message tracing
Strong, practical experience with: SPF, DKIM, DMARC Anti-spoofing and phishing protections
DNS management experience, specifically for email routing and authentication (Network Solutions or equivalent providers)
Microsoft 365 administration at enterprise scale, including E5 licensing
PowerShell scripting for Exchange Online and Microsoft 365 administration
Strong analytical and troubleshooting mindset
Ability to explain complex email concepts to non-technical stakeholders
Comfortable owning highly visible, business-critical systems
Detail-oriented with a focus on reliability and security
Ability to collaborate effectively with team and maintain daily rapport with the team lead on active projects, operational issues, and major configuration changes
Ability collaborating with security, infrastructure, and application teams
Bachelor’s degree in Information Technology or equivalent experience
5+ years of hands-on enterprise email administration (hybrid environments strongly preferred)
5+ years administering Microsoft 365 in a production environment

Nice To Haves

Experience managing hybrid email environments with multiple relay paths
Background in email security engineering or messaging infrastructure roles
Experience supporting internal applications, scanners, and devices that rely on SMTP relay
Familiarity with Microsoft Defender, Purview, and compliance tooling as it relates to email
Experience participating in incident response for phishing, spoofing, or mail delivery outages

Responsibilities

Own and administer Victaulic’s hybrid email environment, including: Microsoft Exchange Online On-premises Exchange SMTP relay servers Proofpoint Email Security (MX Edge, Secure Email Relay, outbound filtering)
Design, maintain, and troubleshoot complex inbound and outbound mail flows across multiple paths, including: Internet → Proofpoint → Exchange Online o Exchange Online → Proofpoint → Internet o Internal applications via Proofpoint SER Legacy applications via on-premises Exchange relays Alternate routing scenarios involving Microsoft 365 default MX endpoints
Perform end-to-end message tracing across Exchange Online, Proofpoint, and on-premises Exchange to rapidly diagnose delivery failures, spoofing events, or routing loops
Serve as the technical owner for email security and anti-spoofing controls, including: SPF, DKIM, and DMARC design, implementation, and ongoing tuning First-party DMARC enforcement within Proofpoint Exchange Online anti-spoofing and transport rule configuration
Maintain and validate trusted IP exemptions, connector scopes, and relay authorizations to prevent false positives while maintaining security posture
Monitor and analyze DMARC aggregate and forensic reports, identify trends, and remediate authentication failures
Administer Proofpoint Email Security platform, including: Inbound and outbound routing configuration Secure Email Relay (SER) for internal applications and devices Spam, phishing, malware, and content filtering policies DMARC enforcement policies and reporting
Partner with Proofpoint support during escalations and incident response
Manage and validate email-critical DNS records hosted in Network Solutions, including: MX records SPF TXT records DKIM selector records DMARC policy records
Understand DNS propagation, caching behavior, and their impact on mail delivery and authentication
Coordinate DNS changes with internal teams and vendors to minimize risk
Act as a senior Microsoft 365 administrator, including Global Admin responsibilities when required
Manage Exchange Online configuration beyond basic mailbox administration, including: Mail flow connectors Transport rules Accepted domains Hybrid and relay configurations
Administer Microsoft 365 E5 features relevant to email and security, such as: Microsoft Defender for Office 365 Data Loss Prevention (DLP) related to email Audit logging and message investigation tools
Ensure licensing alignment and proper feature usage within E5 entitlements
Develop and maintain detailed technical documentation for: Email architecture and flow diagrams Mail routing logic and exceptions Security and authentication configurations o Troubleshooting procedures and runbooks
Serve as escalation point for complex email incidents and outages
Identify opportunities to simplify mail routing, reduce technical debt, and retire legacy relay paths
Stay current on Microsoft and Proofpoint changes that impact email flow, security, or compliance