Sentry Security Service

Sentry Security Service

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Family ran and operated security company since 1981! Specializing in commercial and residential Security, Fire, Access Control, Cameras, and Audio Systems.

02/20/2026

We’re Hiring! 📣

Sentry Security, LLC is looking for a dependable, detail-oriented Office Manager / Bookkeeper / Administrative Assistant to join our team!

Sentry Security, LLC is seeking a detail-oriented and reliable professional to manage office operations, bookkeeping, and front desk responsibilities. The ideal candidate has over 5 years of business office experience with strong bookkeeping knowledge.
Requirements
• 3–5 years of bookkeeping experience
• 3+ years of clerical/front desk experience (preferred)
• Proficiency in Outlook, Excel, Word, and QuickBooks
• Strong organizational and communication skills
• Professional, dependable, and team-oriented
Responsibilities
• Manage daily office operations and scheduling
• Answer phones and assist visitors
• Maintain financial records, invoicing, and payroll in QuickBooks
• Perform data entry, filing, and general administrative support

Join our team and help maintain an efficient, organized, and professional workplace.

If this sounds like you (or someone you know), send us a message or apply today!

08/12/2025

Security system repairs complete at First United Methodist Church. Sentry Security is proud to help protect places that matter most!

08/01/2025

🔒 Security system upgrades complete at Sigmatron!

We’re proud to help businesses across South Texas stay protected with the latest in security technology. From cameras to access control — Sentry’s got you covered.

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Telephone

Address


222 N Bedell Avenue
Del Rio, TX
78840

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm