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Who we are

Ensign Natural Resources is a growth orientated E&P company scaling through strategic asset acquisitions and disciplined development. Our operating philosophy centers on capital discipline, data-driven decision making, and continuous improvement.

Headquartered in Houston, TX, Ensign was established in 2017 and is led by a management team experienced in finding, developing, and exploiting unconventional assets.

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noun | en·sign | ‘en-.sīn

en′sīn, n. a sign or mark: the sign or flag distinguishing a nation or a regiment: one who carries the colors.

Why Ensign?

Throughout history, ensigns have been used to send messages, rally beleaguered troops, signal other ships, armies, and peoples. Ensigns represent a group’s courage, pride, and identity.  In short, an ensign says who you are, where you are, and what you believe with one single piece of cloth or mark.

 

We are here to set a new standard.  We’re courageous enough to take on the hard challenges and proud to drive change in our industry.  This is what being Ensign means to us.  Rally with us!

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How we're Different

At Ensign, data and technology are a large part of how we drive success.  

Not only do we have a development team who is knowledgeable about our industry, operations, and data but we expect all our technical team members to be proficient in data management tools and processes.  This ensures everyone can create fit-for-purpose data capture tools and visualizations that allow for faster and better decision-making with no silos in data access and continual prioritization of economic impact to the company.

Our People & Culture

Our people define our culture and drive the strategy of our company.  We look for team members that embody our values and strive to make us better every single day.

Meet some of our team!

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"Ensign is a place where you are challenged to grow, empowered to lead, and supported along the way."

Ordeira Conner

Executive Assistant & Office Manager

Jeremy Reeves // Director, Information Technology

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"The work itself is familiar, but the culture here is something different. It genuinely feels like a team of people who enjoy each other — more family and friends than colleagues."

Bryan Kemp

Staff Reservoir Analyst

Jeremy Reeves // Director, Information Technology

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Our Values

Ownership

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Taking responsibility for actions and problems; leading solutions; never miss a chance to lead.

Courage

Stand up for your ideas; open communication; give and take honest feedback.

Grit

A mixture of passion and determination; willing to face the hard stuff and see it through to the end.

Good Judgement

A practiced eye for good opportunities; prioritizing based on value to company vs. self; making informed decisions and calculated risks.

Continuous Improvement

Good enough never is! Make things better every day; complacency is the enemy.

Leadership Team

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Brett Pennington

President and Chief Executive Officer

"We believe in alignment at all levels of the organization.  Delivering results is easy when everyone is aware of our goals and strategy, and are empowered to make a difference."

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EVP & CFO

Mark Lumpkin
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EVP & COO

Sean Bradley
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EVP of Subsurface & Business Development

Jon Baker
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EVP of HR, IT, & Administration

Candace Day-Butler
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VP of Reservoir

Rick Robinson
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VP of Drilling & Completions

Rhett Bullock
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VP of Finance

Connor Mannon
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VP of Land & Board Secretary

Sean McLaughlin
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Board of Directors

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Chris Carter
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Patrick McWilliams
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Peter Ray
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Sponsor

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NGP has been a pioneer of the North American energy industry for over 35 years—always keeping an innovative eye on the future.

 

At their core, they are energy investors and business builders. NGP investments have fostered entrepreneurship, driven innovation, created jobs, advanced U.S. energy security, and supported the critical missions of their stakeholders. Today, they are one of the most trusted private equity energy investors. 

 

Learn more about NGP at https://ngpenergy.com/.

Image by Sean Pollock
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SETTING THE STANDARD FOR UNCONVENTIONALS

Ensign Natural Resources is a private equity backed exploration and production company focused on aquiring, developing and producting US unconventional resources.  Ensign's founders are committed to creating a durable and long-term focused company generating maximum value for its stakeholders.

Looking to join our team? Get notified when we post new job listings.

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© 2026 Ensign Natural Resources | All Rights Reserved.

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