Managed IT Services in San Antonio
NetSys runs IT for small and mid-sized businesses in San Antonio: help desk, security, backups, Microsoft 365 and the network, for a flat monthly fee per user. We have run IT out of New York since 1998, and our engineers hold degrees in electrical and computer engineering. San Antonio is served from Brooklyn, one hour behind us on Central time. Monitoring, help desk and remediation run remotely around the clock from Brooklyn, with coverage hours stated in Central time in the proposal. On-site commitments are arranged in advance and sized to the engagement. Most clients run between 10 and 75 seats, and every agreement is month to month.
The short answer
NetSys provides managed IT to businesses in San Antonio: help desk with engineers on the line, 24/7 monitoring, patching, ThreatDown managed detection and response, Microsoft 365 and Intune administration, tested backups and vendor management, for a flat monthly fee per user. Delivery is remote-first from Brooklyn, with coverage hours stated in Central time, and on-site commitments are arranged in advance and sized to the engagement, up to a dedicated engineer with a drive time generally under an hour where regular presence is part of the scope. Most clients run between 10 and 75 seats, and every agreement is month to month.
How managed IT is delivered in San Antonio
San Antonio is served from Brooklyn, one hour behind us on Central time. Monitoring, help desk and remediation run remotely around the clock from Brooklyn, with coverage hours stated in Central time in the proposal. On-site commitments outside the tri-state area are arranged in advance and sized to the engagement: a mostly remote engagement needs no dedicated on-site engineer, while an engagement that calls for regular presence, such as a standing on-site day or two each week, gets a dedicated engineer whose drive time is generally under an hour, depending on where that engineer and your office are. Hardware ships pre-configured, so most projects need no visit at all. The buildings decide a lot of the design. Downtown and the Medical Center have carrier choice, but Stone Oak and Port San Antonio offices often run on one Spectrum circuit, and the military-contracting base means CMMC 2.0 shapes more networks here than anywhere else in Texas. The carriers we see most in San Antonio are Spectrum Business, AT&T Business Fiber and Google Fiber, and the failover design starts with which of them actually reach your building.
Who managed IT in San Antonio is built for
Most of our San Antonio work sits in Downtown San Antonio, the Medical Center, Stone Oak, Port San Antonio and the Pearl: defense and cybersecurity contractors on Deltek Costpoint, medical practices on eClinicalWorks, financial and insurance firms on Applied Epic, manufacturers on Epicor, contractors on Procore, and hospitality businesses on Toast. Each carries its own compliance load, which the section below covers, and each has a line-of-business vendor we coordinate with rather than work around. Companies with an internal IT person fit too; in that case we supply the monitoring, the security stack and the after-hours coverage behind them, and they keep their projects.
What tends to go wrong in San Antonio
Two things shape the continuity design here. First, the weather and the grid: the February 2021 ERCOT grid failure and flash flooding are the recurring outages, so UPS runtime and out-of-state backups are the design case. Second, the attacks that actually land locally are ordinary ones, and the public record shows how they go: the August 2019 coordinated ransomware attack on 23 Texas local governments, which the state traced to a single managed service provider's remote-management tool. The controls in the next section are the ones that would have changed those stories.
Managed IT Services in San Antonio: what NetSys delivers
Support that answers
- Help desk by phone, email and Teams with engineers on the line, an immediate response from your dedicated engineer when something severe happens, and everything else worked by severity
- Remote monitoring and management through NinjaOne on every endpoint and server, 24 hours a day
- Patch management on the maintenance schedule agreed with you, weekly or quarterly as the business prefers, with urgent fixes applied as needed and a report showing what was patched where
- Onboarding and offboarding checklists for every hire and departure, covering accounts, devices, access and the return of hardware
The security stack, included
- ThreatDown MDR and EDR on every workstation, laptop and server, monitored around the clock
- Entra ID Conditional Access, multifactor authentication and Microsoft Defender for Business across the tenant, with legacy authentication switched off
- Barracuda Email Protection with impersonation and link protection, plus DMARC enforcement for the domain
- Rapid7 InsightVM vulnerability scanning on a schedule, with findings fixed rather than filed
Continuity and planning
- Immutable backups for servers and for Microsoft 365 itself, tested by restoring real data on a schedule
- Intune, Windows Autopilot and Keeper password management rolled out as standard, so devices and credentials stop being ad hoc
- ISP, software and hardware vendors managed on your behalf, with one number to call
- Quarterly reviews with a written roadmap, a budget and a list of what changed since last time
A 35-person manufacturer in Stone Oak
The specific engagements behind this profile are under NDA, so it is written as a generalization rather than a named client. Our published, client-approved outcomes are in case studies.
A 35-person manufacturers in Stone Oak running Epicor on a Windows Server 2016 box in a closet, Microsoft 365 licensed by a former office manager, and a break-fix provider who bills hourly and appears once something is already down. The office manager has become the IT department by default and wants out. Nobody can say who has access to what, the last backup restore was never tested, and the Spectrum Business circuit is the only path to the internet.
- Cutover in stages over three to four weeks, with the old provider's access removed at the end and no downtime during business hours
- NinjaOne RMM agents deployed to every workstation and server for 24/7 monitoring, patching and remote support
- Barracuda Email Protection placed in front of the mailboxes and SPF, DKIM and DMARC corrected so the company's own domain cannot be spoofed
- KnowBe4 onboarding for every user, with a baseline phishing test in week one and recurring training after that
- A written onboarding and offboarding checklist covering accounts, devices, access and hardware return
- Discovery on every device, account and vendor contract, documented in IT Glue before anything is changed
One provider is accountable for devices, network, Microsoft 365 and security. Staff call a help desk that fixes things, the insurer gets answers with evidence behind them, and leadership sees a quarterly roadmap instead of surprise invoices. The agreement runs month to month.
Law office: Microsoft 365 with layered security and cloud-to-cloud backup
A 25-attorney firm in the greater New York metro was losing unbillable hours to an outdated file server and an email server that needed weekly attention. NetSys mapped the firm's matters and document workflows first, moved email to Exchange Online and documents to SharePoint and OneDrive in a matter-based structure over a weekend cut-over, layered anti-phishing protection, DNS filtering, multifactor authentication and endpoint protection across attorney devices, and set independent cloud-to-cloud backup of the whole tenant. The firm reported 82% fewer IT support incidents per month within two quarters and about 3.5 hours per attorney per week recovered from IT friction.
Compliance in San Antonio: § 521.053 and what sits on top of it
If you hold personal information on a resident of Texas, Texas Business and Commerce Code § 521.053 requires notice to affected residents within 60 days of determining a breach occurred and, when 250 or more Texans are affected, notice to the Attorney General within 30 days. The Texas Data Privacy and Security Act, in force since July 1, 2024, adds data-protection assessments and consumer rights for businesses above the small-business threshold, and Texas HB 300 tightens health-information handling beyond HIPAA. Healthcare practices carry HIPAA and HB 300, energy and industrial firms answer to customer and insurer questionnaires, and defense suppliers face CMMC 2.0. The managed agreement produces the evidence those rules ask for as a by-product: access reviews, patch reports, backup test results and a written incident response plan. Most firms we take over have none of it documented, which is the part that matters if you ever have to demonstrate compliance, so the documentation is built during onboarding rather than sold as a separate project.
What managed IT costs in San Antonio
Managed IT is priced per user per month for a fully managed agreement, and the number moves with four things more than with headcount: how many servers you run, whether you need after-hours coverage beyond monitoring, how much compliance documentation you carry, and whether we are co-managing alongside an internal person or running everything. We quote from an assessment, not a phone call, and the agreement runs month to month. What belongs in the monthly fee versus what is billed separately is set out on our managed IT pricing page.
Who this fits, and who it does not
Best fit: 10 to 75 employees, one or two offices plus remote staff, already on Microsoft 365 or ready to move there, and either no internal IT or one person who is underwater.
Not a fit: businesses under five people, who are usually better served by the small-office baseline described in our five-person case study, or organizations over 250 seats, which need an internal team we can co-manage with rather than replace.
Read next
Industry pages: IT for Government Contractors · IT for Healthcare
Terms used on this page: Managed Service Provider (MSP) · Remote Monitoring and Management (RMM) · Patch Management
Guides: the questions to ask before signing with an MSP · what managed IT costs per user in 2026
Related pages
Read the full Managed IT Services service page. See all locations and service areas.
Also in San Antonio: IT Consulting · IT Support · Cybersecurity
Managed IT Services elsewhere: Dallas · Houston · Austin · Fort Worth · New York City · New Jersey
Related services: Co-Managed IT · Managed IT Pricing & Scope · Switching Managed IT Providers · Outsourced IT Help Desk
Managed IT Services in San Antonio: FAQs
How quickly do you respond to a problem?
Severe problems get an immediate response from your dedicated engineer: ransomware, systems down, no internet, email that has stopped working. Everything else is worked by severity, so a request to add a printer is scheduled rather than treated as an outage. The help desk is staffed by engineers, and 24/7 monitoring means many problems are worked before anyone calls.
Can you work with our existing IT person?
Yes. That is a co-managed arrangement: your person keeps the relationships and the day-to-day, and we take monitoring, security, patching and after-hours coverage, with the split written into the agreement. Our co-managed IT page describes how the responsibility matrix is drawn.
Do we have to sign a long contract?
No. Every NetSys agreement runs month to month, with no long-term contract and no early-exit penalty. The scope, the responsibilities on each side and the monthly figure are written down before you sign.
Do you have an office in San Antonio?
Our office is in Brooklyn, NY. San Antonio is served from Brooklyn, one hour behind us on Central time. Outside the tri-state area the on-site arrangement is agreed before the engagement starts and sized to what it needs: none for a mostly remote account, and a dedicated engineer, generally within an hour's drive, where regular presence such as a standing on-site day or two each week is part of the scope. The proposal states that arrangement, coverage hours in Central time and any travel in writing, and the agreement runs month to month.
What does Texas require after a data breach?
§ 521.053 gives a business 60 days from determining a breach occurred to notify affected residents, and 250 or more affected Texans means the Attorney General must be told within 30 days. Texas HB 300 adds stricter rules for health information. Logs, encryption and a written response plan are how a small business meets the deadlines.
Get the whole of your IT handled by one accountable team.
Tell us how many people and devices you have, what you run today and what keeps breaking. We come back with a written scope, the responsibilities on each side and a monthly figure, before you decide anything.