Leo Mariscal
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Leo Mariscal Email & Phone Number

Field Service Manager - Radiation Safety Officer at J4 Oilfield Service
Location: Donna, Texas, United States 10 work roles 1 school
1 work email found @energyrecovery.com LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email l****@energyrecovery.com
LinkedIn Profile matched
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Current company
J4 Oilfield Service
Role
Field Service Manager - Radiation Safety Officer
Location
Donna, Texas, United States
Company size
53 employees

Who is Leo Mariscal? Overview

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Quick answer

Leo Mariscal is listed as Field Service Manager - Radiation Safety Officer at J4 Oilfield Service, a with 53 employees, based in Donna, Texas, United States. AeroLeads shows a work email signal at energyrecovery.com and a matched LinkedIn profile for Leo Mariscal.

Leo Mariscal previously worked as Field Service Manager at J4 Oilfield Service and Radiation Safety Officer at J4 Oilfield Service. Leo Mariscal holds Electronic Technician, Electrical/Electronics Maintenance And Repair Technology from South Texas College.

Company email context

Email format at J4 Oilfield Service

This section adds company-level context without repeating Leo Mariscal's masked contact details.

{first_initial}{last}@energyrecovery.com
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AeroLeads found 1 current-domain work email signal for Leo Mariscal. Compare company email patterns before reaching out.

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Profile bio

About Leo Mariscal

Field Service Manager with a successful 15+ year record of oilfield services. Proficient in technology and communication in areas of Hydraulic Fracturing, Cementing, Wireline, Coil Tubing & R&D.

Listed skills include Oilfield, Onshore, Pressure, Petroleum, and 29 others.

Current workplace

Leo Mariscal's current company

Company context helps verify the profile and gives searchers a useful next step.

J4 Oilfield Service
J4 Oilfield Service
Field Service Manager - Radiation Safety Officer
robstown, texas, united states
Website
j4oilfield.com
Employees
53
AeroLeads page
Company profile
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10 roles

Leo Mariscal work experience

A career timeline built from the work history available for this profile.

Field Service Manager

Current
J4 Oilfield Service

Mcallen, Texas, United States

May 2023 - Present

Field Service Technician

J4 Oilfield Service

Mcallen, Texas, United States

Frac Field Service Technician

Jun 2022 - May 2023

Owner

Current
Sotex Trn Llc

Mcallen-Edinburg-Mission Metropolitan Area, Texas

Vehicle TransportLight & Medium Tow (Local Area)

Mar 2022 - Present

Field Operations Supervisor

Energy Recovery, Inc.

Katy, Texas, United States

Manage frac stimulation designs onsite & remote locations (R&D), Crane operator

Jul 2019 - Dec 2021

Field Service Technician

Energy Recovery, Inc.

Mcallen, Texas Area

Service & Manage frac stimulation designs (R&D), Crane operator

Jun 2018 - Jul 2019

Electronic Technician Iii

Bj Services

Odessa/Midland, Texas Area

Feb 2018 - Jun 2018

Electronic Technician Ii

Bj Services

Odessa/Midland, Texas Area

Field Electronic Technician II for Hydraulic Fracturing Operations & Cementing Operations:Lime Instrumentation & Data AcquisitionAdvanced Measurment Instrumentation “AMI”Emerson & Rosemount Measurments “Micro Motion, Transmitters”Kvaser Advanced Solutions Software “CAN comm/data” Thermo-Fisher Instruments “ Non-Contacting Denso Gauge for Frac”CAT ET SoftwareCummins Insite SoftwareHoljeron Controls HardwareDanfoss Power Solutions “CAN comm/data

Apr 2017 - Jun 2018

Electronic Technician

Halliburton

San Antonio, Texas Area

Cement Equipment Experience:RCM BLENDERELITE UNITSHT-400Production Enhancement Equipment Experience:FB4K Blender UnitADP Blender UnitTCCSand CastlesCoil Tubing Equipment Experience:CT CONTROL HOUSECT NITROGEN UNITHalliburton Instrumentation “ACE, IFS, IWI,”CAT ET SoftwareCummins Insite SoftwareHoljeron Controls Hardware

Feb 2007 - Feb 2017

Qa Inspector

Panasonic Usa

Mcallen, Texas Area

QA Inspector/ Product Sell-Out

Sep 2004 - Oct 2006
Team & coworkers

Colleagues at J4 Oilfield Service

Other employees you can reach at j4oilfield.com. View company contacts for 53 employees →

AH Aaron Hobbs Aaron Hobbs Colleague at J4 Oilfield ServiceCorpus Christi, Texas, United States View → MR Michael Reid Michael Reid Colleague at J4 Oilfield ServiceBrownsville Metropolitan Area, United States View → AG Andres Guerrero Andres Guerrero Colleague at J4 Oilfield ServiceCorpus Christi, Texas, United States View → TW Terry Wayne Terry Wayne Colleague at J4 Oilfield ServiceGreater Corpus Christi Area, United States View → PR Pete Ramirez Pete Ramirez Colleague at J4 Oilfield ServiceCorpus Christi, Texas, United States View → BH Billy Hinojosa Billy Hinojosa Colleague at J4 Oilfield ServiceDallas, Texas, United States View → RM Ramon Morales Ramon Morales Colleague at J4 Oilfield ServicePortland, Texas, United States View → GS Glenn Scholz Glenn Scholz Colleague at J4 Oilfield ServiceRobstown, Texas, United States View → NM Nestor Martinez Nestor Martinez Colleague at J4 Oilfield ServiceUnited States View → MW Mathew Whitt Mathew Whitt Colleague at J4 Oilfield ServiceGilmer, Texas, United States View →
1 education record

Leo Mariscal education

FAQ

Frequently asked questions about Leo Mariscal

Quick answers generated from the profile data available on this page.

What company does Leo Mariscal work for?

Leo Mariscal works for J4 Oilfield Service.

What is Leo Mariscal's role at J4 Oilfield Service?

Leo Mariscal is listed as Field Service Manager - Radiation Safety Officer at J4 Oilfield Service.

What is Leo Mariscal's email address?

AeroLeads has found 1 work email signal at @energyrecovery.com for Leo Mariscal at J4 Oilfield Service.

Where is Leo Mariscal based?

Leo Mariscal is based in Donna, Texas, United States while working with J4 Oilfield Service.

What companies has Leo Mariscal worked for?

Leo Mariscal has worked for J4 Oilfield Service, Sotex Trn Llc, Energy Recovery, Inc., Bj Services, and Halliburton.

Who are Leo Mariscal's colleagues at J4 Oilfield Service?

Leo Mariscal's colleagues at J4 Oilfield Service include Aaron Hobbs, Michael Reid, Andres Guerrero, Terry Wayne, and Pete Ramirez.

How can I contact Leo Mariscal?

You can use AeroLeads to view verified contact signals for Leo Mariscal at J4 Oilfield Service, including work email, phone, and LinkedIn data when available.

What schools did Leo Mariscal attend?

Leo Mariscal holds Electronic Technician, Electrical/Electronics Maintenance And Repair Technology from South Texas College.

What skills is Leo Mariscal known for?

Leo Mariscal is listed with skills including Oilfield, Onshore, Pressure, Petroleum, Preventive Maintenance, Pumps, Gas, and Completion.

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