What departments does Sierra Hamilton have?

Sierra Hamilton has employees across 13 departments including Operations, Program & Project Management, Administrative, Sales, Business Development.

What is the largest department at Sierra Hamilton?

The largest department at Sierra Hamilton is Consultant with 14 employees.

Where are Sierra Hamilton employees located globally?

Sierra Hamilton has employees across 3 continents and 3 countries including United Kingdom Of Great Britain And Northern Ireland, United States Of America, Brazil.

How has Sierra Hamilton's team size changed over time?

Sierra Hamilton's team has decreased from approximately 56 to 52 employees based on available data.

Sierra Hamilton Employee Directory

Oil and GasTexas, United States201-500 Employees

Sierra Hamilton is a Houston-based provider of project, consulting, and workforce solutions for the oil and gas sector and for related financial clients seeking to optimize their organizations. With a history spanning nearly five decades, the company offers staffing, advisory, and workforce services that align personnel with technical and business requirements while addressing industry compliance and risk. The organization operates through three specialized units: Sierra Consulting, which provides onsite supervision and design for drilling and completions in North America and international locations; Sierra Workforce Solutions, delivering contingent staffing, recruiting and payroll for contractors, permanent hires, managed solutions, and fully outsourced arrangements; and Auburn Energy Management, offering due diligence, technical advisory, back-office support, and contract operating services to E&P and financial clients seeking to identify, acquire, operate, optimize, or monetize oil and gas properties.

Sierra Hamilton Global Highlights

North America
99

United States Of America
99

Europe
1

United Kingdom Of Great Britain And Northern Ireland
1

South America
1

Brazil
1

Sierra Hamilton's Leadership

B. P.
VP - Gulf Coast Operations
Mobile Phone
Email
R. D.
VP Gulf Coast Operations
Mobile Phone
Email
M. J. H.
President
Mobile Phone
Email
K. L.
Senior Director Program Management
Mobile Phone
Email
T. L.
Billing Coordinator/Office Manager
Mobile Phone
Email
K. M.
Field Construction, Facilities, And Infrastructure Project Manager
Mobile Phone
Email
J. A. C.
Sales Manager
Mobile Phone
Email
M. W.
Senior Task Manager
Mobile Phone
Email

Sierra Hamilton Employee Metrics

100%

50%

0%

2026

2025

Consultant
Business Development
Accounting
Administrative
Business
Other

Contact profiles from Sierra Hamilton

Name

Title

Contact Info

Location

Last Update

M. J. H.
President
Mobile Phone
Email
United StatesNew York
Oct 23, 2024
B. P.
VP - Gulf Coast Operations
Mobile Phone
Email
United States
Oct 01, 2024
R. D.
VP Gulf Coast Operations
Mobile Phone
Email
UNITED STATES
Oct 16, 2024
K. L.
Senior Director Program Management
Mobile Phone
Email
UNITED STATES
Aug 04, 2023
T. L.
Billing Coordinator/Office Manager
Mobile Phone
Email
United StatesOklahoma
May 31, 2026
K. M.
Field Construction, Facilities, And Infrastructure Project Manager
Mobile Phone
Email
United StatesOklahoma
Oct 26, 2025
J. A. C.
Sales Manager
Mobile Phone
Email
Oct 17, 2024
M. W.
Senior Task Manager
Mobile Phone
Email
Oct 18, 2024
R. G.
Manager
Mobile Phone
Email
United States
Aug 06, 2024
M. L.
Hse Manager
Mobile Phone
Email
United StatesOklahoma
May 29, 2026

Frequently Asked Questions

What is Sierra Hamilton known for?

Sierra Hamilton was founded in 1970 operates in the Oil and Gas industry. The company's main headquarters is located in 900 Threadneedle Suite 150 Houston, Texas 77079 United States; you can contact the main corporate office by phone at

+1-713-956-****

. Explore Sierra Hamilton's company overview page for more information.

What is Sierra Hamilton's most common email format?

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

How many employees does Sierra Hamilton have currently?

Sierra Hamilton has approximately 201 employees as of February 2026. These team members are located across 3 continents, including North AmericaEuropeSouth America.

Who are Sierra Hamilton's key employees and leadership?

As of February 2026, Sierra Hamilton's key employees include:

VP - Gulf Coast Operations: B. P.
VP Gulf Coast Operations: R. D.
President: M. J. H.
Senior Director Program Management: K. L.
Billing Coordinator/Office Manager: T. L.

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Sierra Hamilton Employee Directory

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