Collaboration Technology Administrator (Email & Microsoft 365)Position OverviewVictaulic 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.Primary ResponsibilitiesEmail Architecture & Mail Flow OwnershipOwn and administer Victaulic’s hybrid email environment, including:Microsoft Exchange OnlineOn‑premises Exchange SMTP relay serversProofpoint 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 OnlineExchange Online → Proofpoint → InternetInternal applications via Proofpoint SERLegacy applications via on‑premises Exchange relaysAlternate routing scenarios involving Microsoft 365 default MX endpointsPerform end‑to‑end message tracing across Exchange Online, Proofpoint, and on‑premises Exchange to rapidly diagnose delivery failures, spoofing events, or routing loopsEmail Security, Anti‑Spoofing & AuthenticationServe as the technical owner for email security and anti‑spoofing controls, including:SPF, DKIM, and DMARC design, implementation, and ongoing tuningFirst‑party DMARC enforcement within ProofpointExchange Online anti‑spoofing and transport rule configurationMaintain and validate trusted IP exemptions, connector scopes, and relay authorizations to prevent false positives while maintaining security postureMonitor and analyze DMARC aggregate and forensic reports, identify trends, and remediate authentication failuresProofpoint AdministrationAdminister Proofpoint Email Security platform, including:Inbound and outbound routing configurationSecure Email Relay (SER) for internal applications and devicesSpam, phishing, malware, and content filtering policiesDMARC enforcement policies and reportingPartner with Proofpoint support during escalations and incident responseDNS & Mail Routing ManagementManage and validate email‑critical DNS records hosted in Network Solutions, including:MX recordsSPF TXT recordsDKIM selector recordsDMARC policy recordsUnderstand DNS propagation, caching behavior, and their impact on mail delivery and authenticationCoordinate DNS changes with internal teams and vendors to minimize riskMicrosoft 365 Administration (Enterprise Scope)Act as a senior Microsoft 365 administrator, including Global Admin responsibilities when requiredManage Exchange Online configuration beyond basic mailbox administration, including:Mail flow connectorsTransport rulesAccepted domainsHybrid and relay configurationsAdminister Microsoft 365 E5 features relevant to email and security, such as:Microsoft Defender for Office 365Data Loss Prevention (DLP) related to emailAudit logging and message investigation toolsEnsure licensing alignment and proper feature usage within E5 entitlementsOperations, Documentation & Continuous ImprovementDevelop and maintain detailed technical documentation for:Email architecture and flow diagramsMail routing logic and exceptionsSecurity and authentication configurationsTroubleshooting procedures and runbooksServe as escalation point for complex email incidents and outagesIdentify opportunities to simplify mail routing, reduce technical debt, and retire legacy relay pathsStay current on Microsoft and Proofpoint changes that impact email flow, security, or complianceRequired Technical QualificationsCandidates must demonstrate deep, hands‑on experience in the following areas:Enterprise email administration (5+ years preferred) Microsoft Exchange Online (advanced mail flow, connectors, transport rules)On‑premises Exchange used as SMTP relay infrastructureProofpoint Email Security administration in a production enterprise environmentAdvanced understanding of SMTP, mail routing, and message tracingStrong, practical experience with:SPF, DKIM, DMARCAnti‑spoofing and phishing protectionsDNS management experience, specifically for email routing and authentication (Network Solutions or equivalent providers)Microsoft 365 administration at enterprise scale, including E5 licensingPowerShell scripting for Exchange Online and Microsoft 365 administrationPreferred QualificationsExperience managing hybrid email environments with multiple relay pathsBackground in email security engineering or messaging infrastructure rolesExperience supporting internal applications, scanners, and devices that rely on SMTP relayFamiliarity with Microsoft Defender, Purview, and compliance tooling as it relates to emailExperience participating in incident response for phishing, spoofing, or mail delivery outagesSoft Skills & Professional AttributesStrong analytical and troubleshooting mindsetAbility to explain complex email concepts to non‑technical stakeholdersComfortable owning highly visible, business‑critical systemsDetail‑oriented with a focus on reliability and securityAbility to collaborate effectively with team and maintain daily rapport with the team lead on active projects, operational issues, and major configuration changesAbility collaborating with security, infrastructure, and application teamsEducation & ExperienceBachelor’s degree in Information Technology or equivalent experience5+ years of hands‑on enterprise email administration (hybrid environments strongly preferred)5+ years administering Microsoft 365 in a production environment