SSE Employee Directory

IT Services and IT ConsultingMissouri, United States501-1000 Employees

Systems Service Enterprises, Inc. (SSE) is a leader in Information Technology, Cybersecurity Compliance, and Training and Technical Data solutions for small-medium sized businesses and specializing in Department of Defense (DoD) contracting.  A Women-Owned Small Business (WOSB) with 150 employees, SSE was founded in 1966 by Susan S. Elliott.  SSE is headquartered in St. Louis, MO and is able to serve clients throughout all 50 states.  

As an ISO 9001:2015 certified organization, SSE has not only the technical expertise, but the disciplined processes and business maturity to deliver customized best-in-class IT and cybersecurity solutions across several highly regulated industries.  As a DoD contractor itself, SSE has maintained our and our customers’ networks to evolving regulatory standards and protects data for ourselves and our clients.

In November of 2024, SSE successfully completed a Joint Surveillance Assessment with a C3PAO and DIBCAC, achieving a perfect score of 110 for its CMMC Level 2 Certification.

Established processes, standards and quality solutions allow SSE to meet the most complex challenges for our clients…both now with respect to NIST 800-171, as well as looking ahead to plan for future needs including CMMC.

Find SSE employees' phone numbers or email addresses

SSE Global Highlights

Location
Employees

North America
240

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  • United States Of America
    233
  • Mexico
    5
  • Canada
    2

Europe
233

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  • United Kingdom Of Great Britain And Northern Ireland
    179
  • Ireland
    10
  • France
    7
  • Italy
    6
  • Spain
    4
  • Sweden
    4
  • Slovakia
    4
  • Ukraine
    3
  • Switzerland
    3
  • Portugal
    3
  • Greece
    2
  • Netherlands
    2
  • Germany
    1
  • Romania
    1
  • Poland
    1
  • Malta
    1
  • Austria
    1
  • Belgium
    1

Asia
101

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  • India
    45
  • China
    20
  • Pakistan
    5
  • Saudi Arabia
    4
  • Iraq
    3
  • United Arab Emirates
    3
  • Bangladesh
    3
  • Viet Nam
    3
  • Qatar
    2
  • Philippines
    2
  • Lebanon
    2
  • Malaysia
    2
  • Singapore
    2
  • Russian Federation
    1
  • Japan
    1
  • Israel
    1
  • Indonesia
    1
  • Iran
    1

Africa
14

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  • Egypt
    4
  • South Africa
    3
  • Ethiopia
    2
  • Togo
    1
  • Algeria
    1
  • Guinea
    1
  • Ghana
    1
  • Morocco
    1

South America
11

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  • Brazil
    9
  • Uruguay
    1
  • Chile
    1

SSE's Leadership

  • Stylized image of a person
    D. A.
    CEO
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  • Stylized image of a person
    D. G.
    Chief Executive Officer
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  • Stylized image of a person
    S. P.
    CEO
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  • Stylized image of a person
    X. X.
    Ceo
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  • Stylized image of a person
    S. K.
    Chief Marketing Officer
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  • Stylized image of a person
    R. D.
    Chief Operating Officer
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  • Stylized image of a person
    J. D.
    Chief Financial Officer
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  • Stylized image of a person
    V. S.
    Chief Information Officer
    Phone icon

SSE Employee Metrics

100%
50%
0%
2026
2025
  • Engineering
  • Customer Success
  • Program & Project Management
  • Quality Assurance
  • Analytics
  • Other
  • Arts & Design
  • Finance
  • Administrative
  • Marketing
  • Media & Communications
  • Information Technology

Contact profiles from SSE

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    B. M.
    Head Of Digital Marketing
    Phone icon
    IrelandLeinster
    Jan 09, 2026
  • Stylized image of a person
    J. U.
    Vice President Of Training & Government Services And Human Resources
    Phone icon
    Nov 14, 2025
  • Stylized image of a person
    J. T.
    Head Of Power Economics
    Phone icon
    United KingdomScotland
    Oct 27, 2025
  • Stylized image of a person
    B. G.
    Vice President: Government Services
    Phone icon
    United StatesMissouri
    May 27, 2025
  • Stylized image of a person
    S. A.
    Head Of Performance
    Phone icon
    United KingdomScotland
    Nov 16, 2025
  • Stylized image of a person
    N. H.
    Head Of Business
    Phone icon
    United KingdomHampshire
    Oct 12, 2023
  • Stylized image of a person
    S. C.
    Head Of Business Support And Service
    Phone icon
    Oct 16, 2024
  • Stylized image of a person
    V. S.
    Vp Of Network Services
    Phone icon
    United StatesMissouri
    Feb 07, 2024
  • Stylized image of a person
    A. N.
    Head Office Admin
    Phone icon
    United KingdomScotland
    Aug 09, 2025
  • Stylized image of a person
    T. B.
    Director Of Recruiting
    Phone icon
    United StatesMissouri
    Jan 30, 2026

Frequently Asked Questions

What is SSE known for?

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SSE was founded in 1966 operates in the IT Services and IT Consulting industry. The company's main headquarters is located in 9666 Olive Boulevard Suite 710 St. Louis, Missouri 63132 United States; you can contact the main corporate office by phone at . Explore SSE's company overview page for more information.

What is SSE's most common email format?

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SSE employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more SSE email formats with LeadIQ.

How many employees does SSE have currently?

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SSE has approximately 807 employees as of February 2026. These team members are located across 5 continents, including North AmericaEuropeAsia.

Who are SSE's key employees and leadership?

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As of February 2026, SSE's key employees include:

  • CEO: D. A.
  • Chief Executive Officer: D. G.
  • CEO: S. P.
  • Ceo: X. X.
  • Chief Marketing Officer: S. K.

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