Heather Dennis
Port Arthur,TX
Summary
Dynamic IT professional with 15+ years of experience in technical support, systems administration, and infrastructure management. Proven expertise in troubleshooting complex network infrastructures, server migrations, and desktop support in fast-paced environments. Ready to leverage strong problem-solving skills and analytical abilities in a project-based role evaluating AI systems.
Overview
26
26
years of professional experience
1
1
Certification
Work History
Infrastructure Engineer
LTIMindtree
Port Arthur, TX
08.2025 - 02.2026
- Diagnosed and resolved technical problems with computer systems and peripherals.
- Maintained and controlled networks, focusing on performance and security.
- Documented and maintained IT procedures, configuration, and troubleshooting steps.
Support Technician
GTS/IES
TX
04.2023 - 01.2024
- Analyzed, tested, and troubleshot network systems including LAN, WAN, cloud networks, and servers to maintain optimal performance.
- Provided technical support for hardware and software, minimizing system downtime.
- Collaborated with team members for software installations and troubleshooting.
Desktop Support
Zachry / System One
Sabine Pass, TX
01.2023 - 03.2023
- Provided network technical leadership and infrastructure support to project teams.
- Delivered expert-level issue resolution and recommendations to maintain system reliability.
- Utilized Hybrid Configuration Wizard on Exchange 2013 to support server and client integration.
Desktop Engineer
GTS / PAISD
Beaumont, TX
08.2022 - 11.2022
- Deployed computers and tablets, ensuring proper configuration and integration into customer environments.
- Provided end-user support for PCs, laptops, and cell phones, including troubleshooting and data backup.
- Created and maintained documentation for desktop support processes.
Support Engineer
KForce / Humana
Beaumont, TX
03.2022 - 09.2022
- Managed and troubleshot networks within Azure Cloud for enterprise clients.
- Utilized Hybrid Configuration Wizard for Office 365 integration.
- Led server migration and virtualization efforts to enhance server speed and reliability.
Desktop Support Engineer
Steward Medical Group
Beaumont, TX
01.2020 - 03.2020
- Performed maintenance and support for PCs, notebooks, and peripherals, ensuring compliance with security protocols.
- Implemented Azure AD and managed Exchange migrations to enhance system integration.
- Installed LAN client software and updated asset data in databases.
Deskside Support
TEKsystems/Motiva Corporate
Houston, TX
08.2018 - 05.2019
- Imaged and deployed laptops to end-users, ensuring proper configuration and data migration.
- Installed and configured Windows and Microsoft Office systems for a seamless user experience.
Desktop Support/Trainer Data Migration Technician (Contract)
Tek Systems / TransCanada
01.2016 - 12.2017
- Provided support services for computer and printer repairs across multiple sites.
- Served as migration trainer for Windows 10 desktop rollout, ensuring smooth user transition.
Network Technician
World Financial Group
Beaumont, TX
01.2012 - 12.2017
- Installed and configured new workstations and software according to client specifications.
Technical Support Technician (Manager)
Service Zone
Port Arthur, TX
01.2009 - 12.2012
- Provided break-fix and support services for employees, troubleshooting hardware and software issues.
- Ordered computers and created Windows builds for new employees.
Support Analyst
Southwestern Bell /AT&T
Beaumont, TX
01.2000 - 12.2009
- Served as liaison between Systems Engineering and end users, troubleshooting system issues.
Desktop Support Engineer
Exxon Mobil (Oil & Gas) / Experis
Beaumont, TX
- Performed maintenance and support for PCs and peripherals, ensuring compliance with company security protocols.
- Optimized Exchange environments and planned migration to Exchange 2016.
Education
Business Administration (A.S.) -
Lamar University
Port ArthurSkills
- Python
- Network troubleshooting
- Cybersecurity
- Performance analysis
- Remote troubleshooting
- Virtualization
- Client/server system design
- Infrastructure buildout
- Technical support
- Cloud computing
- Technical documentation
- Data migration
- Systems configuration
- Active Directory management
- Project management
- Backup & disaster recovery
- Root-cause analysis
Certification
- CompTIA A+
- CCNA Routing & Switching
- CompTIA Network+
- CompTIA Security+
Timeline
Infrastructure Engineer
LTIMindtree
08.2025 - 02.2026
Support Technician
GTS/IES
04.2023 - 01.2024
Desktop Support
Zachry / System One
01.2023 - 03.2023
Desktop Engineer
GTS / PAISD
08.2022 - 11.2022
Support Engineer
KForce / Humana
03.2022 - 09.2022
Desktop Support Engineer
Steward Medical Group
01.2020 - 03.2020
Deskside Support
TEKsystems/Motiva Corporate
08.2018 - 05.2019
Desktop Support/Trainer Data Migration Technician (Contract)
Tek Systems / TransCanada
01.2016 - 12.2017
Network Technician
World Financial Group
01.2012 - 12.2017
Technical Support Technician (Manager)
Service Zone
01.2009 - 12.2012
Support Analyst
Southwestern Bell /AT&T
01.2000 - 12.2009
Desktop Support Engineer
Exxon Mobil (Oil & Gas) / Experis
Business Administration (A.S.) -
Lamar University