Demo

Physical Security Service Technician

A3 Communications, Inc.
Charleston, SC Full Time
POSTED ON 11/8/2026
AVAILABLE BEFORE 12/6/2026

Company Description A3 Communications, Inc., headquartered in Columbia, SC with branches across the United States, secures and connects communities through comprehensive networking, security, and technology solutions. Since joining The Cook & Boardman Group, LLC in 2019, A3 has expanded its ability to deliver total opening solutions to a broader range of commercial and institutional clients. Founded in 1990, the company provides unified communications, enterprise networking and wireless, structured cabling, IP video surveillance, access control, network security, electrical services, and audio/visual solutions to both public and private sector organizations. Team members work with highly certified colleagues in a fast-paced systems integration environment that emphasizes innovation and customer service. A3 offers comprehensive support and maintenance, available 24/7, creating a stable and service-driven workplace for technology and security professionals.

Role Description The Physical Security Service Technician is a full-time, on-site role based in Charleston, SC, responsible for installing, maintaining, and servicing physical security systems for a variety of clients. Day-to-day responsibilities include performing diagnostics and repairs on alarm systems, access control, and IP video surveillance equipment, as well as testing and verifying system functionality to meet customer and regulatory requirements. The technician will complete service tickets, document work performed, and communicate clearly with clients and internal teams to ensure timely resolution of issues. The role involves working with networked security devices, following safety and occupational health guidelines, and collaborating with project managers and other technicians to support new installations, upgrades, and ongoing maintenance. The technician may be required to travel locally to customer sites, manage tools and inventory, and participate in on-call rotations to support after-hours service needs.

Qualifications

  • Strong diagnostic and problem-solving abilities, including experience with troubleshooting security systems and related electronic devices.
  • Knowledge of network security and cybersecurity principles as they relate to IP-based cameras, access control systems, and connected security infrastructure.
  • Hands-on experience with alarm systems, IP video surveillance, and access control hardware and software in commercial or institutional environments.
  • Understanding of occupational health and safety practices, including safe use of tools, ladders, and equipment, and adherence to job site safety protocols.
  • Ability to read and interpret technical drawings, wiring diagrams, and manufacturer documentation.
  • Effective communication skills for interacting with clients, documenting service activities, and coordinating with internal teams.
  • Comfort working in the field, including varied environments and occasional after-hours or on-call support.
  • Relevant technical certifications or training in low-voltage systems, physical security, or networking are beneficial.
  • Valid driver’s license.

Salary.com Estimation for Physical Security Service Technician in Charleston, SC
$60,775 to $75,739
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