Larry Daffner: Email & Phone Number

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Lead systems Engineer at AT&T|Plano, Texas, United States

Position:

Lead systems Engineer at AT&T

Location:

Plano, Texas, United States

View Larry Daffner's Email

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Last updated: 2026-05-28

Updated: 2026-05-28

Found email addresses for Larry Daffner:

Business emails:

l******r@att.com

Personal emails:

l***@hpe.com,

d***@aol.com,

d***@att.com,

l***@hotmail.com

Found phones for Larry Daffner:

+1-909-***-**77,

+1-480-***-**05,

+1-520-***-**66

A different Larry Daffner?

Work Experience 31 years

Lead systems Engineer at AT&T

Sep 2025 - Current

Technology Analyst at Amdocs

Jan 2020 - Apr 2025

Software Engineer at AT&T Labs, Inc.

Apr 2004 - Dec 2019

Software Engineer at Hewlett Packard

Jan 1995 - Sep 2000

Larry Daffner started working in 1995, then the employee has changed 3 companies and 2 jobs. On average, Larry Daffner works for one company for 6 years 10 months.

Their professional focus is Agile & Waterfall Methodologies, C (Programming Language), and C++ across 3 core areas.

Education

Bachelor of Science - BS at Purdue University

Frequently Asked Questions

What is Larry Daffner's email address?

SignalHire found verified email addresses for Larry Daffner, both business and personal. Their business email is l******r@att.com, and personal emails include l***@hpe.com, d***@aol.com, and d***@att.com.

What is Larry Daffner's phone number?

SignalHire found multiple verified phone numbers for Larry Daffner: +1-909-***-**77, +1-480-***-**05, and +1-520-***-**66.

How do I contact Larry Daffner at AT&T?

You can reach Larry Daffner 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 Larry Daffner's professional background?

Larry Daffner has 31 years of professional experience. They have held roles including Technology Analyst, Software Engineer, and Software Engineer at companies such as Amdocs, AT&T Labs, Inc., and Hewlett Packard. Their education includes Bachelor of Science - BS from Purdue University.

Is Larry Daffner's contact information up to date?

Yes. Larry Daffner's SignalHire profile was last updated on 28 May 2026, reflecting their current position as Lead systems Engineer at AT&T in Dallas, TX, United States.

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