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Managed IT Services · San Diego

Managed IT Services in San Diego, CA

NetSys is an IT company for San Diego businesses that want one accountable team for all of it: help desk, cybersecurity, backups, Microsoft 365, networking and every technology vendor. Biotech and defense suppliers, professional firms and medical practices get engineers who answer, remote management from Brooklyn and one monthly fee per user.

All IT services in California

The short answer

NetSys provides managed IT services to San Diego businesses: an engineer-staffed help desk, monitoring and patching on every device, ThreatDown managed detection and response, administration of the Microsoft 365 tenant and every device, backups with scheduled restore tests, firewall management and ownership of your vendor relationships, for a per-user monthly fee set after an assessment. As an IT company we work remotely and in the cloud from our Brooklyn office and send no engineers to San Diego; computers ship ready through Windows Autopilot. Engineers staff the help desk from 1 a.m. to 8 p.m. Pacific every day, and monitoring and emergency service run 24/7. Agreements are month to month.

Service information by The NetSys Group. Our editorial standards.

How managed IT is delivered across San Diego

San Diego runs three hours behind our Brooklyn office, which works in your favor: our engineers are well into their day before a Sorrento Valley lab opens. Onboarding is done over remote sessions. We push NinjaOne and ThreatDown to every machine, assume administration of Microsoft 365, Entra ID and the firewall, and document every device, license and vendor in IT Glue. Laptops are enrolled in Windows Autopilot before they ship to a Kearny Mesa office or an engineer's home in Escondido, so the first sign-in installs apps, policies and files. Network equipment arrives configured; your facilities lead or cabling contractor installs it while our engineer confirms tunnels, VLANs and failover. NetSys does not send staff to San Diego, so the agreement names who handles each physical task, usually your landlord or contractor. Monitoring runs 24/7 from Brooklyn, and so does emergency service. Our staffed help-desk hours are 4 a.m. to 11 p.m. Eastern time (1 a.m. to 8 p.m. Pacific), seven days a week. The proposal states severe-incident escalation, authorized remediation and any other after-hours work.

Choosing among San Diego IT companies

A search for an IT company in San Diego returns dozens of firms, and the useful questions are the same for all of them. Who answers the phone: an engineer, or someone who logs a ticket and passes it on? What exactly sits inside the monthly fee, and what is billed as a project? Can you read the documentation, and do you keep it if you leave? Which security tools run on each device, and who responds to an alert in the middle of the night? How long is the contract? Our answers: engineers on the help desk, a written scope, IT Glue documentation you can read and keep, ThreatDown MDR with analysts working alerts around the clock, and month-to-month terms with 98% client retention. The honest limit is distance. We are a remote provider, so a business that needs a technician walking its floor every week is better served by a firm based in the county.

Biotech, defense and professional firms: what San Diego environments need

San Diego's industry mix shapes the work. Biotech and medical-device companies on Torrey Pines Mesa and in Sorrento Valley run lab instruments on aging Windows PCs that cannot be patched like office machines, and they share lab notebooks and quality records with partners, so we isolate instruments on their own network segment and tighten external sharing. Defense contractors around the Old Town campus of the Naval Information Warfare Systems Command and in Kearny Mesa keep controlled unclassified information in a defined enclave. Law, accounting and wealth firms downtown and in UTC live on email and document systems, so identity and email security come first. Medical practices need HIPAA records. Across all of them we manage the vendor side: application support stays with the software maker, and we work their tickets on the infrastructure, identity and integration pieces.

Power, flood and ransomware lessons from San Diego

On September 8, 2011, a fault on an Arizona transmission line cascaded into a blackout that left nearly all of the San Diego area, close to 1.5 million customers, without power, some for up to 12 hours. On January 22, 2024, about 2.7 inches of rain fell at the airport in a single day, flooding Southcrest and Shelltown and leading to a federal disaster declaration. In May 2021, ransomware knocked Scripps Health's electronic records offline for about four weeks and cost the system an estimated $113 million. For a managed IT client those events become requirements: UPS units that shut servers down cleanly, a cellular path behind the main circuit, immutable backups held outside the region, Microsoft 365 backed up separately, East County wildfire smoke and power shutoffs written into the runbook, and a recovery order everyone has read.

Moving to NetSys: the first 30 days and California compliance

Transitions follow a set order. In week one we collect credentials and documentation from your current provider, run a remote inventory and compare what is deployed with what you are billed for. Week two sends agents out overnight and rolls out multifactor authentication by department. Week three moves backups and proves a restore; week four removes the old provider's access and delivers a written report. The records we build also answer California obligations: Civil Code 1798.81.5 requires reasonable security for residents' personal information, the amended 1798.82 sets a 30-day consumer notice window from January 1, 2026, and the California Privacy Protection Agency's cybersecurity audit rules, in effect since the same date, start requiring certifications on April 1, 2028 from the largest covered businesses. This is general information, not legal advice.

What is included

Managed IT Services in San Diego: 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

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

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

Published case study

Complete managed IT, cybersecurity and help desk for a 20-seat organization

A 20-seat organization handed NetSys the whole of its IT. Devices, network, Microsoft 365 and vendors came under one agreement with 24/7 monitoring and a named account manager; endpoint protection, multifactor authentication, email protection and tested backups went onto all twenty seats; staff got a help desk with engineers on the other end; and every new hire now goes through a defined onboarding process with recurring phishing training. The write-up is limited to the scope delivered, with no outcome figures claimed.

Read the full case study (20 seats)

From our client work

Managed IT services work for other clients

Manufacturing
Large manufacturing plant in Virginia
Password management for 125 employees, management of 160 computers, and managed EDR antivirus across production and office devices.
Password and Permissions Management IT for Manufacturing

Client names are withheld. These examples were chosen for the work involved, not for where the client is, so none is presented as a San Diego client.

What managed IT costs in San Diego

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.

How the monthly fee is built

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.

Managed IT Services in San Diego: FAQs

Is NetSys an IT company that serves San Diego businesses?

Yes. NetSys, founded in 1998, is an IT services company, and from our only office, in Brooklyn, we serve San Diego businesses remotely. You can buy managed IT, help desk support, cybersecurity or consulting from us separately or together, as fully outsourced IT or co-managed beside your own staff, and every agreement runs month to month. We look after Windows PCs and Macs, Microsoft 365 and line-of-business applications, and we take vendor problems to the vendor. Every engagement begins with an assessment, then a written scope.

How does managed IT work for San Diego organizations?

Everything runs remotely from Brooklyn: help desk, monitoring, patching, security, backups, Microsoft 365 and your vendor relationships. Being three hours ahead helps, because engineers are working before your office opens. NetSys sends no engineers to San Diego and the agreement includes no on-site work; hardware ships pre-configured, and your contractor or landlord handles physical installs with our engineer guiding. Urgent incidents such as ransomware or a dead circuit go straight to your dedicated engineer, and your account manager has a cell number you can call.

What IT services do you offer in San Diego, and how are they priced?

Managed IT covers the help desk, monitoring, patching, ThreatDown MDR, Microsoft 365 and Intune, tested backups and vendor management for one per-user monthly fee set by assessment. That fee moves with the servers you run, compliance evidence such as NIST SP 800-171 or HIPAA, sites and circuits, after-hours project work and whether internal IT stays. Separately scoped work includes cybersecurity programs, Microsoft 365 and Azure migrations, network projects, CMMC preparation and AI projects. The free remote external penetration test, within an agreed scope, is often the first step.

How does remote onboarding work for businesses in San Diego?

It runs over remote sessions and takes three to four weeks for a typical 20-seat office. We start with discovery calls and a scripted inventory, gather credentials from the outgoing provider, then deploy agents after hours so nobody loses a morning. Multifactor sign-in rolls out team by team with short video walkthroughs, backups move with a documented restore test, and stale accounts close in the last week. Your people mostly see a new support number and some fresh sign-in prompts. Replacement laptops arrive enrolled and ready.

Can you meet the compliance needs of biotech and defense companies?

For the IT controls, yes. Under DFARS clause 252.204-7012, systems holding controlled unclassified information must meet the NIST SP 800-171 controls, and the company must post an SPRS score; third-party CMMC certification was suspended on July 13, 2026, but self-assessments still apply. Biotech firms heading toward FDA submissions need access controls, audit trails and backups that support their quality system. We build and document those controls, and your quality, legal and contracts teams decide what applies to you.

One provider, month to month

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.

Explore Managed IT Services Scope 845-203-3914