Service Technician

Zeus Fire and Security; Madison (WI); On-site; USD 55,000 - 75,000; Full time

Job summary

Martin Systems in Wisconsin is seeking an experienced field technician to service and upgrade electronic security systems including CCTV, access control, and alarms. You will perform installation, troubleshooting, and ongoing maintenance to ensure uptime for enterprise and industrial customers.

Travel between sites is expected; occasional on-call after hours and weekends; strong IT skills, ability to read schematics, and certifications are a plus.

Qualifications

• 3–5+ years servicing Access Control and CCTV for enterprise customers.
• Strong networking/IT background with IP networking and VLANs.
• Ability to read schematics and use diagnostic tools.

Responsibilities

• Inspect, test, troubleshoot, diagnose, and repair CCTV, access control, alarm systems.
• Perform maintenance, battery and siren testing, keypad programming, and component replacement.
• Program, network, configure, and commission software and hardware as required.
• Maintain accurate service records, complete work orders, and communicate with supervisors/customers.
• Provide excellent customer service and be available for after-hours on-call.

Skills

Access Control

CCTV

Networking

Troubleshooting

Field work

Education

High school diploma or equivalent

Tools

IP networking

Schematic reading

Job description

About Martin Systems

Since 1974, Martin Systems has grown from a local alarm installer into one of Wisconsin’s largest security and fire protection providers that is trusted by thousands of businesses across the state.

Role Overview

• Provide ongoing service, troubleshooting, maintenance, repair, and upgrades for electronic security systems (CCTV, Access Control, and alarm systems) to ensure continuous, reliable protection for customers.
• Perform physical and technical implementation of company products and deliver high-quality service to maintain customer satisfaction and system uptime.

Key Responsibilities

• Inspect, test, troubleshoot, diagnose, and repair CCTV, access control, alarm systems, and related components.
• Perform routine and scheduled maintenance, battery and siren testing, keypad programming, and component replacement.
• Program, network, configure, and commission software and hardware as required.
• Promptly report defective materials, equipment, or inaccuracies that may impact customer protection.
• Demonstrate system operation to customers and explain causes/consequences of false alarms and system behavior.
• Maintain accurate service records, complete work orders, and communicate clearly with supervisors and customers.
• Provide excellent customer service aligned with company mission and standards.
• May be required to respond to after-hours calls, weekends, and holidays (on-call responsibilities as assigned).

Qualifications

• Preferred: 3-5+ years experience servicing Access Control and CCTV security systems for enterprise/industrial customers.
• Alternative/entry-level: 1–2 years alarm service and low-voltage experience preferred but not required.
• Strong networking and IT background; comfortable with IP networking, switches, VLANs, and basic server/client configurations.
• Proficient in troubleshooting electrical and electronic systems, reading schematics, and using diagnostic tools.
• Problem-solving skills and the ability to work independently in the field.
• High school diploma or equivalent required; relevant certifications (e.g., CCNA, manufacturer certifications) a plus.

Physical & Work Requirements

• Will work approximately 80% of the time in the field; travel between sites expected.
• May be required to be on-call after normal hours and on weekends/holidays.
• Frequent movement and ability to lift up to 75 lbs.
• Ability to work in varied environments, including elevated positions, crawlspaces, and outdoors.

EEOC Statement

• Martin Systems provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.