John Sims: Email & Phone Number

Opt-Out

Information Technology Director at United States Marine Corps|Greater Indianapolis, United States

Position:

Information Technology Director at United States Marine Corps

Location:

Greater Indianapolis, United States

View John Sims's Email

Up to 10 free lookups. No credit card required.

Last updated: 2026-10-15

Updated: 2026-10-15

Found email addresses for John Sims:

Business emails:

j******s@marines.com,

j*******s@nv.doe.gov,

j*******s@usmc.mil

Personal emails:

j********e@yahoo.com,

s*****1@gmail.com,

g********7@aol.com

Found phones for John Sims:

+1-909-***-**29,

+1-870-***-**46

Prospect analytics

Current work details

Job levelDirector

DepartmentMilitary

Availability

TimezoneEDT

Best time to contact12:00 PM – 4:00 PM

A different John Sims?

Work Experience 28 years

Information Technology Director at United States Marine Corps

Feb 2020 - Current

MITSC Director, Marine Forces Europe and Africa at United States Marine Corps

Aug 2017 - Feb 2020

IT Infrastructure & Engineering Manager at National Security Technologies, LLC (NSTec)

Nov 2013 - Aug 2017

Information Technology Technical Manager at United States Marine Corps

May 2010 - Nov 2013

Systems Architect - Federal Concepts LLC at United States Marine Corps

Jul 2009 - May 2010

Client Services Manager/Systems Architect - Office of Secretary of Defense at NetServices Inc.

Nov 2007 - Jul 2009

Infrastructure Manager - Sr. Systems Architect - Department of Homeland Security at SE Solutions Inc

Jan 2007 - Nov 2007

IT Manager - Air Force Pentagon Communications Agency at NetServices Inc.

Dec 2005 - Jan 2007

Sr. Systems Engineer - Department of Health & Human Services at Summit Technologies, Inc. (Hartford, CT)

May 2004 - Dec 2005

Sr. Systems Engineer at Strategy

Aug 2003 - May 2004

Systems Engineer at Celion Networks

Jan 2001 - Jan 2003

Systems Administrator at TDIndustries, Inc.

Sep 1998 - Jan 2001

John Sims started working in 1998, then the employee has changed 7 companies and 11 jobs. On average, John Sims works for one company for 2 years 4 months.

Their professional focus is Active Directory, Cisco Call Manager, and Cisco IOS across 3 core areas.

John holds CISSP, Certified Ethical Hacker, and ITILv3 certifications.

Education

Doctor of Healthcare Administration (DHA) at Virginia University of Lynchburg

Master of Science (M.S.) at Liberty University

Master of Science (M.S.) at Capella University

Bachelor of Science (B.S.) at American Military University

Frequently Asked Questions

What is John Sims's email address?

SignalHire found verified email addresses for John Sims, both business and personal. Their business email is j******s@marines.com, and personal emails include j********e@yahoo.com, s*****1@gmail.com, and g********7@aol.com.

What is John Sims's phone number?

SignalHire found multiple verified phone numbers for John Sims: +1-909-***-**29, and +1-870-***-**46.

How do I contact John Sims at United States Marine Corps?

You can reach John Sims 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 Sims's professional background?

John Sims has 28 years of professional experience. They have held roles including MITSC Director, Marine Forces Europe and Africa, IT Infrastructure & Engineering Manager, and Information Technology Technical Manager at companies such as United States Marine Corps, National Security Technologies, LLC (NSTec), and United States Marine Corps. Their education includes Doctor of Healthcare Administration (DHA) from Virginia University of Lynchburg, and Master of Science (M.S.) from Liberty University.

Is John Sims's contact information up to date?

Yes. John Sims's SignalHire profile was last updated on 15 October 2026, reflecting their current position as Information Technology Director at United States Marine Corps in Washington, DC, United States.

John Sims Namesakes

Name

Company

Position

John Sims

Waterman's Brewing Company

Brewmaster

Get contacts

john sims

NCR Corporation

Forklift operator

Get contacts

John Sims

Smith Roofing And Exteriors

Roofing and Exterior Specialist

Get contacts

See more profiles

Similar profiles

Name

Company

Position

Annetta Peroddy

Cylance Inc.