Benefits:
Company car
Competitive salary
Opportunity for advancement
Fire & Security Technician – Texas (Field Role)
Location: Texas (with travel) Company: MDI Security Compensation: $25–$35 USD/hour (based on experience & certifications)
About MDI Security
MDI Security, founded in 2008 by George Macias, is a U.S.-based security company with over 15 years of experience delivering fire protection, electronic security, and integrated life-safety solutions for commercial, industrial, and institutional clients.
MDI operates across multiple U.S. states, with offices and active projects in Tennessee, Florida, Texas, Arizona, Nevada, Utah, Wisconsin, Kentucky, Missouri, and Colorado. While Texas is currently a growth and expansion market, MDI brings a strong operational foundation supported by experienced multi-state field teams.
In parallel, MDI is expanding internationally, with deployments in more than 10 countries, supporting global clients with scalable security and AI-driven monitoring solutions.
MDI specializes in the design, installation, service, and maintenance of fire alarm systems, CCTV, access control, intrusion detection, and advanced AI-enabled security platforms, combining disciplined field execution with modern technology.
Job Overview
MDI Security is seeking Fire & Security Technicians to support the installation, service, and maintenance of fire alarm systems, CCTV, access control, and electronic security solutions across Texas and other U.S. states as required by project demand.
This is a field-based, hands-on role for technicians who are disciplined, reliable, and comfortable working independently in commercial and industrial environments.
Core Technical Requirement
All candidates must show explicit, verifiable experience with the following fire and security platforms:
Ademco / Honeywell
Fire-Lite
Bosch
Radionics
DMP
Certifications in Lenel and Software House systems
Key Responsibilities
Install, service, and troubleshoot commercial fire alarm systems (conventional and addressable).
Install and maintain CCTV, access control, intrusion alarms, and low-voltage systems.
Perform system testing, inspections, and preventive maintenance.
Diagnose and resolve technical issues on-site with minimal supervision.
Read and interpret blueprints, schematics, and technical documentation.
Ensure compliance with NFPA codes, AHJ requirements, and company standards.
Complete service reports and documentation accurately and on time.
Communicate professionally with clients regarding system status and recommendations.
Coordinate with internal technical teams as required.
Required Qualifications
Minimum 2+ years of hands-on experience with fire alarm and/or security systems.
Explicit experience with the platforms listed above.
Proven experience with low-voltage wiring.
Strong troubleshooting and problem-solving skills.
Ability to work independently in the field.
Valid driver’s license and clean driving record.
English required; Spanish is a plus.
Preferred Certifications (Strong Plus)
Texas Fire Alarm License.
NICET Level I or II (or in process).
OSHA safety training.
Manufacturer certifications (Fire-Lite, Honeywell, Bosch, DMP).
Travel & Availability (Required)
Extensive travel within Texas.
Occasional travel to other U.S. states depending on project needs.
Flexibility to work early starts or extended days when required by deployments.
⚠️ This role is not suitable for candidates seeking a fixed-location or desk-based position.
Who Should Apply
Technicians with real, documented fire alarm or security platform experience.
Professionals comfortable traveling and working in the field.
Individuals seeking consistent, long-term field work with a growing company.
Who Should NOT Apply
Candidates without explicit fire alarm or security platform experience.
General electricians without fire/security system background.
Technicians unwilling to travel.
Individuals seeking desk-based, fixed-location, or short-term work only.
This is a remote position.