John Larkin: Email & Phone Number

Opt-Out

Principal Security Architect at Howard Hughes Medical Institute (HHMI)|Chevy Chase, Maryland, United States

Position:

Principal Security Architect at Howard Hughes Medical Institute (HHMI)

Location:

Chevy Chase, Maryland, United States

View John Larkin's Email

Up to 10 free lookups. No credit card required.

Last updated: 2026-09-03

Updated: 2026-09-03

Found email addresses for John Larkin:

Business emails:

j*********n@hhmi.org,

l****n@hhmi.org,

j*****n@janelia.hhmi.org

Personal emails:

j*********n@gmail.com,

k*****u@gmail.com

Found phones for John Larkin:

+1-520-***-**76,

+1-623-***-**91,

+1-520-***-**81,

+1-323-***-**11

A different John Larkin?

Work Experience 25 years

Principal Security Architect at Howard Hughes Medical Institute (HHMI)

Mar 2026 - Current

Sr. Manager, IT Security and Network Engineering at Howard Hughes Medical Institute (HHMI)

Jul 2017 - Mar 2026

Network Infrastructure Manager and Security Architect at Howard Hughes Medical Institute (HHMI)

Nov 2010 - Jul 2017

Manager, Enterprise Network Services at Howard Hughes Medical Institute (HHMI)

Sep 2002 - Nov 2010

Sr. Network Engineer at Howard Hughes Medical Institute (HHMI)

Jun 2001 - Sep 2002

Their professional focus is CCNA, Checkpoint, and Cisco IOS across 3 core areas.

John holds PMP and CISSP certifications.

Education

Master of Science at University of Maryland University College

Certificate of Professional Development at University of Pennsylvania - The Wharton School

BA at Fordham University

Frequently Asked Questions

What is John Larkin's email address?

SignalHire found verified email addresses for John Larkin, both business and personal. Their business email is j*********n@hhmi.org, and personal emails include j*********n@gmail.com, and k*****u@gmail.com.

What is John Larkin's phone number?

SignalHire found multiple verified phone numbers for John Larkin: +1-520-***-**76, +1-623-***-**91, and +1-520-***-**81.

How do I contact John Larkin at Howard Hughes Medical Institute (HHMI)?

You can reach John Larkin through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is John Larkin's professional background?

John Larkin has 25 years of professional experience. They have held roles including Sr. Manager, IT Security and Network Engineering, Network Infrastructure Manager and Security Architect, and Manager, Enterprise Network Services at companies such as Howard Hughes Medical Institute (HHMI), Howard Hughes Medical Institute (HHMI), and Howard Hughes Medical Institute (HHMI). Their education includes Master of Science from University of Maryland University College, and Certificate of Professional Development from University of Pennsylvania - The Wharton School.

Is John Larkin's contact information up to date?

Yes. John Larkin's SignalHire profile was last updated on 3 September 2026, reflecting their current position as Principal Security Architect at Howard Hughes Medical Institute (HHMI) in Chevy Chase, Maryland, United States.

John Larkin Namesakes

Name

Company

Position

John Larkin

Act Engineers, Inc

Party Chief

Get contacts

John Larkin

Network Marketing - Marketing Recruitment

Owner

Get contacts

John Larkin

Medical Center Emergency Physicians

Emergency Physician

Get contacts

See more profiles

Similar profiles

Name

Company

Position

Rich Diocales

Verizon

Principal Security Architect

Get contacts

Joseph Bryant

Argano

Principal Security Architect

Get contacts

Rafael Pereyra

Amazon Web Services (AWS)

Principal Security Architect

Get contacts

Bob Peterson

Commonwealth Care Alliance

Principal Security Architect

Get contacts

Jared

Progressive Leasing

Principal Security Architect

Get contacts

Philip Veilleux

Agropur

Principal Security Architect

Get contacts

See more profiles

Other employees at Howard Hughes Medical Institute (HHMI)

Name

Company

Position

Spruston Nelson

Howard Hughes Medical Institute (HHMI)

Executive Director, Janelia Research Campus; Vice President, HHMI

Get contacts

Reed George

Howard Hughes Medical Institute (HHMI)

Senior Director of Scientific Services

Get contacts

Matthew Wimer

Howard Hughes Medical Institute (HHMI)

Software Engineer

Get contacts

Christina Christoforou

Howard Hughes Medical Institute (HHMI)

Research Specialist I

Get contacts

Erik Hoff

Howard Hughes Medical Institute (HHMI)

Tier 3 Technology Support Specialist

Get contacts

Troy Powell

Howard Hughes Medical Institute (HHMI)

Procurement Service Partner Lead

Get contacts

Sasini Navoda Wickramatunga

Howard Hughes Medical Institute (HHMI)

Neuroscience + Engineering: Technician

Get contacts

Fu Li

Howard Hughes Medical Institute (HHMI)

Research Scientist

Get contacts

Geovanni Rodriguez

Howard Hughes Medical Institute (HHMI)

Event Production Coordinator

Get contacts

Dwayne Rainey

Howard Hughes Medical Institute (HHMI)

Director Data Integrations

Get contacts

See more profiles

Data Privacy

GDPR COMPLIANT

SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.

CCPA COMPLIANT

SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.