Columbus, Ohio · Serving Central Ohio since 2009
Information security, network protection, and data center infrastructure services, delivered by local engineers who answer the phone when it matters.
15+
Years in operation
99.99%
Managed uptime
<15 min
Incident response
Where we work
A glimpse of the environments we design, build and monitor every day.



Services

Risk assessments, security policy, compliance readiness (SOC 2, HIPAA, PCI DSS), and employee awareness programs.

Next-gen firewalls, segmentation, secure remote access, intrusion detection, and 24/7 monitoring of your perimeter.

Server and endpoint hardening, patch management, identity and access control, and backup and recovery that is actually tested.

Rack and cabinet design, structured cabling, power and cooling planning, and migrations with zero surprise downtime.

Around-the-clock monitoring, alert triage, and incident response from a team that already knows your environment.

Independent vulnerability assessments and controlled penetration tests with plain-English remediation plans.
Why Sentinel
We are not a ticket queue in another time zone. Every client has a named lead engineer, a documented environment, and a direct line. We build to the standards of large enterprises and deliver them at a scale that fits regional businesses.
Talk to an engineer
Certified team
CISSP, CCNP, and CompTIA Security+ certified engineers on staff.
Fixed-fee proposals
Clear scope and pricing before any work starts. No surprise invoices.
Documented everything
You own full documentation of your environment, not us.
Insured & vetted
Fully insured, background-checked staff cleared for sensitive sites.
Hours
| Monday | 8:00 AM – 6:00 PM |
| Tuesday | 8:00 AM – 6:00 PM |
| Wednesday | 8:00 AM – 6:00 PM |
| Thursday | 8:00 AM – 6:00 PM |
| Friday | 8:00 AM – 5:00 PM |
| Saturday | By appointment |
| Sunday | Closed |
Emergency support: managed clients reach on-call engineers 24/7/365 via the main number.
Location
Service area
Columbus, Dublin, Westerville, Hilliard, Grove City, and all of Central Ohio. On-site within 60 miles.
Contact
The fastest way to reach us is a phone call. An engineer, not a receptionist, will take your questions.
Your trust, our credibility