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website Zitko Group

Zitko is on a mission to make recruiting fire and security personnel easier for everyone. We find hard-to-find people for hard-to-fill roles across 6 key areas of expertise: Security Engineering, Fire Protection, Integration, Talent, Contract, Sales. Working with us is hassle-free because we keep things simple. We work with clients across the security technology supply chain, matching companies and candidates we believe in with meaningful roles.

Since 1987, TSi has been a leading provider of security systems and solutions. We are 100% employee owned and treat all employees like family and customers alike. We take pride in our work and dedicate everything we do to providing exceptional customer service.

Through our FOCUS philosophy, each employee-owner is empowered to make decisions, deliver outstanding service and exceed customer expectations, with trust and autonomy in every role.

We currently have an opening for a Preventative Maintenance Technician in Columbia, SC.


As a field service technician for TSi, you will travel to customer sites and perform assigned tasks to repair, maintain and install various security systems while providing customers with excellent customer service.


  • You will need to have a good understanding of a wide range of security systems. Experience with Lenel and C-cure is a strong advantage, however extensive brand knowledge is extremely beneficial for this role.
  • You must be able to perform tasks to a high standard, adhering to the company’s installation standards while providing customers with excellent customer service.
  • You should be familiar with working at heights (including climbing ladders, etc.)
  • You are responsible for carrying out preventive maintenance at all customer sites.
  • Should ideally have at least 2 years practical experience in a similar role.
  • Excellent networking and programming skills in access control and video systems.
  • You must have a valid and clean driving license to travel to the locations if required.
  • Must be vaccinated against Covid.
  • Part of an on-call service.
  • PLT license required



$20-30 per hour (depending on experience level), 401k “fully funded” TSi benefits, employee ownership, company car, etc.