Infrastructure Security Technician Jobs (NOW HIRING)

Senior Physical Electronic Security Technician – Data Centers

Location: Texas
Department: Physical Security / Critical Infrastructure
Employment Type: Full-Time

Position Summary

We are seeking an experienced Senior Physical Electronic Security Technician with extensive expertise in enterprise electronic security systems, specifically the LenelS2 OnGuard platform, to install and commision critical security infrastructure within new construction data center environments.

The ideal candidate will possess deep technical knowledge of integrated access control, IP video surveillance, intrusion detection, intercom systems, and security networking. This individual will lead installation, commissioning, troubleshooting, preventative maintenance, and lifecycle upgrades while ensuring the highest standards of security, reliability, and compliance expected within hyperscale and enterprise data centers.

This role requires a technician who can work independently, lead field activities, mentor junior technicians, and interact professionally with customers, vendors, project managers, and security operations teams.

Key Responsibilities

Electronic Security Systems

• Install, commission, troubleshoot, and maintain enterprise electronic security systems.
• Perform basic programming, configuration, and diagnostics of Lenel OnGuard access control systems.
• Configure and maintain:
• • Intelligent Controllers
  • Access panels
  • Card readers
  • Electric locking hardware
  • Request-to-exit devices
  • Door position switches
  • Elevator control integrations
• Maintain enterprise IP video surveillance platforms and associated hardware.
• Configure camera networks, recording servers, storage systems, and video analytics.
• Diagnose hardware, firmware, software, and communication failures.

Data Center Security Infrastructure

• Support physical security systems protecting mission-critical data center facilities.
• Maintain strict compliance with customer security standards and change management processes.
• Work within highly controlled production environments with zero-tolerance for unnecessary downtime.
• Perform maintenance activities while minimizing operational impact.
• Understand redundancy requirements for:
• • Controllers
  • Network infrastructure
  • Power systems
  • Security servers
• Support security upgrades during maintenance windows.

Systems Integration

• Integrate security platforms with:
• • Video Management Systems (VMS)
  • Intrusion Detection Systems (IDS)
  • Visitor Management Systems
  • Building Management Systems (BMS)
  • Fire Alarm Interfaces
• Configure TCP/IP communications between enterprise security devices.
• Troubleshoot network communication issues involving switches, VLANs, PoE, and fiber infrastructure.

Installation & Commissioning

• Lead field installation activities for new security deployments.
• Read and interpret:
• • Construction drawings
  • Security risers
  • Wiring diagrams
  • Floor plans
  • Sequence of operations
• Install and terminate:
• • Cat6
  • Fiber optic cabling
  • Composite security cable
  • RS-485 communications
  • Low-voltage power circuits
• Perform commissioning, acceptance testing, and system turnover.

Maintenance & Service

• Perform preventative maintenance inspections.
• Respond to emergency service calls.
• Diagnose complex system failures.
• Replace defective hardware.
• Perform firmware and software upgrades.
• Document repairs and maintain accurate service records.

Leadership

• Mentor junior technicians.
• Lead small installation and service teams.
• Coordinate with project managers and security operations personnel.
• Provide technical guidance during complex troubleshooting activities.
• Ensure installations meet company quality standards and applicable codes.

Required Qualifications

• 5+ years of experience installing and servicing enterprise electronic security systems.
• 3+ years of experience with Lenel OnGuard.
• Extensive experience supporting security systems in mission-critical data center environments.
• Strong understanding of:
• • Access Control
  • IP Video Surveillance
  • Intrusion Detection
  • Security Networking
  • Low Voltage Systems
• Experience with enterprise security server architecture.
• Strong knowledge of:
• • TCP/IP networking
  • VLANs
  • PoE
  • Fiber optics
  • Windows Server environments
  • SQL fundamentals
• Ability to independently diagnose complex hardware and software issues.
• Experience working under formal change control procedures.
• Ability to read electrical and low-voltage construction drawings.
• Excellent customer communication and documentation skills.

Preferred Qualifications

• Current LenelS2 OnGuard Certification (Associate, Professional, or Expert)
• Experience with:
• • Genetec Security Center
  • Milestone XProtect
  • Avigilon Control Center
  • Honeywell Pro-Watch
  • Software House C•CURE 9000
• Experience with intelligent locking hardware from manufacturers such as:
• • ASSA ABLOY
  • Allegion
• Knowledge of data center operational standards.
• OSHA 10 or OSHA 30 certification.
• Manufacturer certifications for enterprise access control or VMS platforms.
• Experience working in hyperscale cloud data centers.

Technical Skills

• Enterprise Access Control
• Lenel OnGuard Administration
• Intelligent Controllers
• IP Camera Systems
• Video Management Systems
• Fiber Optic Installation
• Low Voltage Cabling
• Door Hardware Integration
• Network Troubleshooting
• TCP/IP
• SQL Databases
• Windows Server
• Power Supplies
• UPS Systems
• Security Networking
• System Commissioning
• Preventative Maintenance
• Root Cause Analysis

Physical Requirements

• Lift up to 50 pounds.
• Work from ladders and lifts.
• Travel between customer sites as required.
• Work in active construction and mission-critical operational environments.
• Ability to participate in after-hours maintenance windows and on-call rotations.

What Success Looks Like

The successful candidate consistently delivers reliable, high-quality electronic security solutions with minimal disruption to critical operations. They serve as the technical expert for Lenel OnGuard systems, proactively resolve complex issues, ensure compliance with data center security standards, and provide leadership that enhances team performance and customer confidence.

At Justified Technology, we believe our people are our greatest strength. We foster a collaborative, supportive culture where every team member is valued, respected, and empowered to succeed. From leadership to the field, we encourage open communication, continuous learning, and teamwork, ensuring employees have the resources and support they need to grow professionally. We are committed to creating an inclusive workplace built on equality, where diverse perspectives are welcomed, opportunities are earned through merit, and everyone is treated with fairness and respect. Our culture is centered on integrity, accountability, and helping one another succeed—making Justified Technology a place where careers thrive and people enjoy coming to work.