Sentry Security Service

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!

Wrapped up a new camera and security install at Galo. Thank you for trusting Sentry Security Service!

Currently in progress: a new gateway access control installation. Our team is working to provide reliable, secure entry solutions tailored to this site’s needs.

Keeping businesses protected 🔒 Our team completed a new fire panel installation at Jon Hart to ensure safety is always a top priority.

Peace of mind for parents and staff. ✅

Sentry Security was on site at KD’s Daycare for fire system and CCTV repairs, making sure every corner is safe and sound. 🔒🔥

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

Security is serious business but it’s also a family one!

Colton and his son Weston (Russell’s grandson!) helped update Sentry Security signage across town. Teaching the next generation what it means to protect and serve. 🛠️

🔧🔐 Security you can trust.

Proudly serving Howmet Aerospace with top-tier protection from Sentry Security Service.

🌄 On site at Indian Head Ranch!

Sentry Security is proud to help protect one of Texas’s most unique destinations. Whether it’s wildlife, lodging, or wide open land, we deliver security solutions built to withstand it all.

🔒 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.

🔥 Fire panel replacement complete at the Eagle Pass Maverick County Tax Office!
Sentry Security Services is proud to provide reliable protection for essential county offices across South Texas. Keeping your buildings safe, one panel at a time.