Shelly Mireles
Corpus Christi,Tx
Summary
Dedicated Health, Safety & Environmental (HSE) Specialist with extensive experience supporting Capital Projects, turnaround operations, and upstream/downstream oil and gas activities. Possess strong expertise in regulatory compliance, hazard mitigation, H₂S operations, incident investigations, and contractor safety management, complemented by a leadership-focused approach to training and developing personnel in safe-work practices and operational risk reduction. Known for exceptional communication, mentoring capabilities, and building strong, proactive safety cultures across diverse operational teams.
Overview
2026
2026
years of professional experience
1
1
Certification
Work History
HSE Specialist
CHENIERE ENERGY
Corpus Christi, TX
2024 - Current
- Provide critical operational safety support across LNG production, storage, transfer, and capital project activities.
- Oversee compliance by reinforcing HSE and process safety procedures, and ensuring accurate execution of inspections, documentation, audits, and safety-critical tasks.
- Mentor personnel in the new Permit-to-Work system, and deliver training to reduce occupational and process risks, while guiding proper PPE selection for LNG and cryogenic environments.
- Conduct field safety observations, lead or support investigations, and manage high-risk permitting activities—including confined space, hot work, LOTO, and line breaks—to ensure safe work execution.
- Serve as the SME for operational safety, permitting, and documentation, actively supporting Operations and Maintenance, participating in emergency response readiness, and contributing to continuous safety improvement across the facility.
- Worked closely with contractors and vendors to maintain a safe work environment during project execution.
- Provided on-site safety supervision during high-risk operations, ensuring adherence to safety protocols.
Safety Coordinator - 4 Month T/A
CITGO
Corpus Christi, TX
2024 - 2024
- Delivered on-site safety supervision during plant shutdowns while maintaining contractor documentation for assessments.
- Supported audits and investigations, contributing to development of event summaries.
- Assisted HSE Leads in tracking contractor audits related to plant activities and job tasks.
- Managed permit writing and document control to ensure compliance and enhance operational efficiency.
HSE Specialist
CONOCO PHILLIPS
Midland, TX
2020 - 2024
- Ensured regulatory compliance across field operations through weekly on-site training for teams on new-location hazards and safety concerns.
- Delivered corporate Safety Leadership Training to contractors and corporate personnel, enhancing overall safety awareness.
- Conducted field audits and investigations to identify safety risks and improve operational practices.
- Prepared concise event summaries for management and stakeholders to support informed decision-making.
- Gained extensive experience in drilling, fracking, well intervention, and coil tubing operations, specializing in equipment audits and operational safety.
- Conducted incident and accident investigations while promoting a proactive safety culture within ConocoPhillips.
- Reinforced learning-organization mindset to maintain a focused approach on safety across operations.
HSE Field Coordinator
UNITED SAFETY
Corpus Christi, TX
2013 - 2021
- Developed customized safety training programs while conducting H₂S and environmental gap analyses.
- Provided authorized PEC Safe Land instruction across diverse curricula to promote safety compliance.
- Managed plant shutdowns, oversaw field personnel, and performed detailed audits of services and equipment.
- Facilitated orientations and onboarding while ensuring adherence to DISA compliance standards.
- Executed ongoing hazard assessments to support continuous improvement in upstream and downstream operations.
- Worked with management on incident investigations, delivering full case management and team learning outcomes.
- Conducted third-party H2S field safety supervision for various companies including Marathon and EOG Resources.
- Served as Safety Supervisor Level 1 during CITGO Refining Turnaround (2017-2018) and Level II at Valero in 2019.
Education
Bachelor’s degree - Occupational Safety & Environmental Health
WALDORF UNIVERSITY
01-2026
Assoc. in Applied Science - OCCUPATIONAL SAFETY AND HEALTH, PSYCHOLOGY (Minor)
DEL MAR COLLEGE
Corpus Christi, TX01-2015
NATIONALLY CERTIFIED MEDICAL ASST./PHLEBOTOMIST -
KAPLAN COLLEGE
Corpus Christi, TX01.2007
LICENSED VOCATIONAL NURSE- LVN -
Skills
- Field safety inspections
- Administrative operations
- Process safety management
- H2S Certified instructor
- Permit and LOTO training
- ISO standards knowledge
- NFPA compliance expertise
- ANSI regulations familiarity
- NIOSH guidelines understanding
- API standards application
- Permit writing skills
- Confined space training
- Respiratory protection training
- Behavior-based safety management
- First aid and CPR training
- Fire science expertise
- Industrial hygiene practices
- SIMS proficiency
- NIMS knowledge
- SPCC instruction skills
- Root cause analysis techniques
- OSHA regulations compliance
- Risk assessment strategies
- Accident investigation instruction
- Safety program management skills
- Hazard management expertise
- Microsoft Office proficiency
- Intelex software knowledge
Affiliations
- American Society of Safety Professionals ASSP
- STEPS Network
- Women in Safety Engineering
Certification
- Certified H2S Trainer, UT Arlington TEEX, 01/01/14 - 12/31/25
- CPR/AED Instructor, 01/01/22, 01/01/24
- Process Safety Management (PSM) Certificate
- Fall Hazard Awareness Trainer, UT Arlington
- On-Site Motorized Vehicle Safety Trainer, UT Arlington
- PEC Safe land/Safe gulf/Basic/Core & Pipeline Instructor, 01/01/15 - 12/31/26
- Accident Investigation & Photography, UT Arlington
- TWIC, 02/28/29
References
- Kelly Wink, ConocoPhillips Well Intervention Manager, 832-517-4033
- Clint Case, ConocoPhillips Well Intervention Superintendent, 940-231-2839
- Eddie Charles, ConocoPhillips Intervention HSE Specialist, 361-648-1265
- Adan Ibarra, CITGO Field Safety Manager, 361-903-5126
- Chris Ruiz, Cheniere LNG Production Coordinator, 361-977-1761
- Erik Sanchez, Cheniere LNG Production Superintendent, 361-977-1280
- Additional Cheniere LNG References upon request
Timeline
HSE Specialist
CHENIERE ENERGY
2024 - Current
Safety Coordinator - 4 Month T/A
CITGO
2024 - 2024
HSE Specialist
CONOCO PHILLIPS
2020 - 2024
HSE Field Coordinator
UNITED SAFETY
2013 - 2021
Bachelor’s degree - Occupational Safety & Environmental Health
WALDORF UNIVERSITY
Assoc. in Applied Science - OCCUPATIONAL SAFETY AND HEALTH, PSYCHOLOGY (Minor)
DEL MAR COLLEGE
NATIONALLY CERTIFIED MEDICAL ASST./PHLEBOTOMIST -
KAPLAN COLLEGE