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Judith Marcus Email & Phone Number

Level 3 Proofpoint Engineer & DMARC SME at Danaher Corporation
Location: Quincy, Massachusetts, United States 10 work roles 2 schools
1 work email found @danaher.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

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Current company
Role
Level 3 Proofpoint Engineer & DMARC SME
Location
Quincy, Massachusetts, United States

Who is Judith Marcus? Overview

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Judith Marcus is listed as Level 3 Proofpoint Engineer & DMARC SME at Danaher Corporation, based in Quincy, Massachusetts, United States. AeroLeads shows a work email signal at danaher.com and a matched LinkedIn profile for Judith Marcus.

Judith Marcus previously worked as Email Security Architect at Danaher Corporation and Email Cybersecurity Engineer at Travelers. Judith Marcus holds Office 365 Administration from Global Knowledge Us.

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Email format at Danaher Corporation

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jmarcus@danaher.com
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Profile bio

About Judith Marcus

Experienced Email Security Engineer , SME in DMARC, email security and Proofpoint.

Listed skills include Firewalls, Windows Server, Sharepoint, Cisco Technologies, and 39 others.

Current workplace

Judith Marcus's current company

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Danaher Corporation
Danaher Corporation
Level 3 Proofpoint Engineer & DMARC SME
AeroLeads page
10 roles · 29 years

Judith Marcus work experience

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Email Security Architect

Current

Washington, District Of Columbia, Us

Provided leadership in the area of Email Security software (Proofpoint), systems, and infrastructure to an ecosystem of globally diverse science and technology operating companies. Also provided secondary operations support to additional security technologies. PRIMARY RESPONSIBILITIES• Subject matter expert for email and associated technologies with an emphasis on DMARC, DKIM and SPF alignment.• Worked with threat remediation area in the selection of software, its installation, and ongoing operation• Create email policies and procedures for corporate and all operating company environments• Establish and document operational procedures for email and other security domains• Ensured measurable availability and health of information security technologies and processes• Worked in collaboration with third party vendors and partners to ensure consistent operations• Perform standard administration, operations, and lifecycle support for shared security services across the Email Security domain for Danaher and all operating companies• Provided secondary support as a team member for the following:o Security Information and Event Managemento Vulnerability assessmento Configuration baselining and assessmento Endpoint protection, detection and responseo Security Education & Awarenesso Splunko API interfaces, and/or automation languages

Feb 2021 - Present

Email Cybersecurity Engineer

New York, Ny, Us

Collaborate with other Cybersecurity professionals as well as otherInformation technology and business professionals, to create and maintain innovative Cybersecuritycontrols that protect the company, it’s computing environment, and its users.-Plan at an operational level and manage the effective use of resources to transform business-specifications into cost-effective Information Security solutions. Implement and/or maintain a mediumsystem or multiple smaller systems and/or assigned project(s). Investigate, identifies, and resolves datasecurity events/breaches independently.-Responsibilities are assigned with some latitude for setting priorities and decision-making usingestablished policies and procedures. Perform a variety of duties, including potentially complexduties within established policy guidelines; responsible for a defined set of assignments (e.g. assignedcustomers, claims or other specified set of responsibilities); expected to set priorities and meetspecific goals and objectives of the function or unit. Role Specific Duties and Responsibilities:• Participate in the development and implementation of the company strategies and detailed roadmapsrelated to email security• Supports existing email security controls from a platform as well as rule/configuration perspective• Advise the business on problems and issues related to email security• Environmental scans for new email security technologies. Evaluation of those technologies• Drive project roll-out and installation of new email security technology both on-premise and in theCloud• Participates in the processes to find security vulnerabilities in Travelers computing environment, toanalyze security risk, and to develop and implement plans to mitigate the security exposures found• Assess external threats (example from Media sources or FS-ISAC or FBI). Identify if it could impactTravelers, and create remediation plan

Dec 2019 - Feb 2021

Email Security Engineer

Us

Work with merger and acquisition staff and internal Email Security Engineers to integrate M&A SMTP Services with the corporate environment. Responsibilities:Monitor/Configure mail gateways on behalf of acquired entities.Resolve mail routing issues on behalf of Acquired Entities.Configure SPF/DKIM/DMARC on behalf of Acquired Entity.Work with other mail team members to resolve issues on behalf of the Acquired Entity.Collaborate with other team members on solutions analysis for Acquired Entities Required Skills:Expert understanding of SMTP and email routing. Expert understanding of SPAM techniques and email hygiene. Deep understanding of Malware & DLP Technologies. Deep understanding of SPF, DKIM, & DMARC. Expert on Cisco IronPort Email Appliance. Deep understanding of Microsoft Exchange 2010+ including Office 365. Deep understand of DNS. Collaborate with other team members on solutions analysis for acquired entities. Using expert understanding of SMTP and email routing, expert understanding of SPAM techniques and email hygiene, manage mail flow for business partners. Deep understanding of Microsoft Exchange 2010+ including Office 365. SME in Cisco Ironport and DNS. Adept with SCCM, Powershell, Service Now, and troubleshooting to resolution.

Jun 2018 - Mar 2019

Email Security Specialist

Cm Access

Specializing in messaging and perimeter devices, operating independently on IronPort migrations in particular.Selected Contributions:• Subject matter expert on IronPort• Specialize in email messaging services in mixed environments using cloud and data center systems, with both Microsoft Exchange and Lotus Notes. O365 implementation.

Dec 2017 - Jun 2018

Email Security Consultant

Seaview Consulting

Lead consultant working with companies in improving network upgrades, primarily related to wireless and hard wired systems, desktop support, printer support, software updates, and security systems with a software backbone. Selected Contributions:• Initiated cost savings strategies for companies, that included website development and maintenance.• Specialize in email messaging services for mid to large business enterprises. O365, Exchange, Windows Server, and Active Directory.

Nov 2013 - Oct 2017

Operational Engineer

Ing

Amsterdam Zuidoost, Nl

Personally recruited as a key member of the messaging team to manage company's 3500 box mail system, operating on a 24/7 schedule independently, collaborating with stakeholders on cost reduction strategies, mailbox migration, and the integration of both mail systems into a 25000 box Exchange 2010 system. Selected Contributions:Architected, implemented, and defined operations for greenfield Exchange 2010 active/active HA+DR solution for 20k mailboxes, including migration, and consolidation of two existing systems, utilizing Quest MM. Subject matter expert directing daily incidents, changes, issues, service requests, and support for E-mail systems that included MS Exchange 2003/2010, Lotus Notes, Domino, MajorDomo list server, and Mobile systems such as Blackberry, BES, BAS, GOOD, GMM and GMC. Performed E-mail journaling: Symantec Enterprise Vault, eDiscovery, CAMM, and Live Office, and encryption services: Proofpoint, Sigaba, Paperclip, PGP, and Ironport PXE. Provided perimeter hygiene, anti-spam, anti-malware and Internet email routing services (Cisco Ironport), to include faxing services with Rightfax, instant messaging through Unified Communications (Sametime, Lync Server), and identity management using MIIS, FIM products. Conducted performance tuning and proactive monitoring, utilizing HP Openview smart plug-in (SPI) for BES and Exchange. Recognized gaps, developing custom scripts utilizing VBscript, PERL, and Powershell in monitoring messaging infrastructure.

Jan 2008 - Dec 2013

It Manager

Brockton, Ma, Us

Held responsibility for the functionality and operational excellence of the entire network, and all desktops, including budget management, new user accounts, asset management, and the development of policies and procedures. Selected Contributions:• Successfully oversaw upgrades of Cisco routers, and increased backbone to a gigabit network. • Led two large and successful software upgrades, while keeping all desktop systems optimally functioning. • Directed all network systems for two locations, consisting of 18 servers in Brockton, and two servers in Mexico, with private IP connections between locations. • Certified security, phone, and Blackberry's operated with no down time. • Managed over 150 network desktops, to include builds and software distribution.

Dec 2004 - Mar 2008

Senior System Analyst

Washington, Dc, Us

Responsible for third level desktop support and networking infrastructure. Was responsible for building base images for desktops, which were then deployed to all 13 banks across the country. Responsible for managing a Novell Zenworks environment.

Oct 2002 - Jun 2004

Support Specialist

Scudder Kemper Investments
2000 - 2002 ~2 yrs

Network Engineer

Scudder Kemper Investments
1998 - 2000 ~2 yrs
Team & coworkers

Colleagues at Danaher Corporation

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2 education records

Judith Marcus education

Office 365 Administration

Global Knowledge Us

Mcse, Microsoft Networking

Clark University
FAQ

Frequently asked questions about Judith Marcus

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What company does Judith Marcus work for?

Judith Marcus works for Danaher Corporation.

What is Judith Marcus's role at Danaher Corporation?

Judith Marcus is listed as Level 3 Proofpoint Engineer & DMARC SME at Danaher Corporation.

What is Judith Marcus's email address?

AeroLeads has found 1 work email signal at @danaher.com for Judith Marcus at Danaher Corporation.

Where is Judith Marcus based?

Judith Marcus is based in Quincy, Massachusetts, United States while working with Danaher Corporation.

What companies has Judith Marcus worked for?

Judith Marcus has worked for Danaher Corporation, Travelers, Unitedhealth Group, Cm Access, and Seaview Consulting.

Who are Judith Marcus's colleagues at Danaher Corporation?

Judith Marcus's colleagues at Danaher Corporation include Alessandro Di Marzio, Martin Stumpe, Prathyushakrishna Macha, Ph.D., Jatin Kashyap, and Heather Dart, Phd.

How can I contact Judith Marcus?

You can use AeroLeads to view verified contact signals for Judith Marcus at Danaher Corporation, including work email, phone, and LinkedIn data when available.

What schools did Judith Marcus attend?

Judith Marcus holds Office 365 Administration from Global Knowledge Us.

What skills is Judith Marcus known for?

Judith Marcus is listed with skills including Firewalls, Windows Server, Sharepoint, Cisco Technologies, Citrix, Active Directory, Data Center, and Infrastructure.

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