Mario Kerstell
Summary
Versatile welder and former U.S. Army Infantry Operations Sergeant with 15+ years of leadership, operations, and technical expertise. Proven ability to manage teams, execute high-stake missions. Three overseas deployments supporting global security operations.
Overview
10
10
years of professional experience
Work History
Welder/Pipe Fitter
EACM Corp.
05.2024 - Current
- Interpret blueprints to cut, thread, fit, and weld piping for commercial HVAC systems
- Troubleshoot installation challenges to ensure project success
TIG Welder
A&D Elevator Cabs and Entrances
01.2024 - 05.2024
- Performed TIG welding on carbon steel, stainless steel, and aluminum for architectural components
- Ensured high-quality fabrication of elevator doors, frames, and structures
Operations Sergeant
U.S. Army
Fort Campbell, KY
11.2021 - 04.2023
- Managed training and readiness for 500+ soldiers and $1.2M in assets
- Developed tracking systems that improved personnel processing efficiency
Platoon Sergeant
U.S. Army
Fort Campbell, KY
08.2019 - 11.2021
- Led and trained 45 soldiers in tactical operations and security missions
- Oversaw $3.5M in equipment and assets
Senior Instructor / Writer
U.S. Army
Camp Humphreys, South Korea
06.2018 - 08.2019
- Trained 1,440 soldiers annually in leadership and combat skills
- Delivered 360+ hours of instruction with a 98% graduation rate
Senior Drill Sergeant
U.S. Army
Fort Leonard Wood, MO
06.2015 - 06.2018
- Mentored and trained 60+ recruits per cycle in combat readiness and discipline
Education
Combination Welding Certification -
APEX Technical School
12.2023
Skills
- Tactical and Strategic Planning
- Infantry Operations & Security
- Leadership & Team Development
- Logistics & Asset Management
- Training Program Development
- Risk Assessment & Decision-Making
Awards
- Joint Service Commendation Medal
- Army Commendation Medal (8)
- Army Achievement Medal (8)
- Army Good Conduct Medal (4)
- Expert Infantryman Badge
- Combat Infantryman’s Badge
Deployment Experience
- Kuwait, Operation Spartan Shield, 2014-2015, Led training and security operations in support of Middle East stability efforts.
- Afghanistan, Operation Enduring Freedom, 2012-2013, Conducted over 250 combat patrols and trained 60 Afghan local police officers.
- Afghanistan, Operation Enduring Freedom, 2009-2010, Served as a heavy machine gunner, securing patrol teams and defensive positions.
Timeline
Welder/Pipe Fitter
EACM Corp.
05.2024 - Current
TIG Welder
A&D Elevator Cabs and Entrances
01.2024 - 05.2024
Operations Sergeant
U.S. Army
11.2021 - 04.2023
Platoon Sergeant
U.S. Army
08.2019 - 11.2021
Senior Instructor / Writer
U.S. Army
06.2018 - 08.2019
Senior Drill Sergeant
U.S. Army
06.2015 - 06.2018
Combination Welding Certification -
APEX Technical School