Manufacturing IT Support in San Diego, CA
For San Diego manufacturers and their suppliers: shipbuilding and defense subcontractors, aerospace and turbine machine shops, medical-device makers and electronics firms with plants on both sides of the border. NetSys runs the ERP's infrastructure, the shop-floor PCs and the network between them, and builds the security evidence defense and FDA work demand, all remotely.
The short answer
NetSys provides IT support for manufacturers in San Diego: one managed service covering the front office, engineering and the plant floor, production networks walled off from email and web traffic, support for the servers and PCs your ERP and machines depend on, worked jointly with their vendors, ThreatDown MDR on every endpoint, and restore-tested backups planned around a full plant shutdown. We also build NIST SP 800-171 and ITAR-aware controls for defense work and the IT side of FDA device cybersecurity. Support is remote from Brooklyn; NetSys does not send engineers to San Diego plants. Pricing is per user per month after an assessment.
Work we have done for manufacturing clients
- Manufacturing
Precision machining company recovering from ransomware
Recovery and restoration of 3 servers and 45 workstations, followed by EDR deployment and immutable backup implementation.
- Manufacturing
Large manufacturing plant in Virginia
Password management for 125 employees, management of 160 computers, and managed EDR antivirus across production and office devices.
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 changes for a San Diego manufacturer
San Diego manufacturing is defense-heavy, regulated and cross-border. General Dynamics NASSCO in Barrio Logan is the last shipyard building new ships on the West Coast and employs more than 3,000 people. Solar Turbines, a Caterpillar subsidiary headquartered in San Diego, builds industrial gas turbines for power generation and pipelines. General Atomics' aircraft business is based in Poway, and the Rohr aerostructures plant on the Chula Vista bayfront remains one of the South Bay's largest employers. Medical devices are the other pillar: ResMed and Dexcom are headquartered here, alongside many smaller device companies. Around them sit machine shops, electronics assemblers and suppliers in Kearny Mesa, Miramar and Otay Mesa, many with a sister plant in Tijuana. That changes the IT job. Defense work brings controlled unclassified information and export-controlled drawings. Device work brings FDA expectations for software and cybersecurity. Plants in two countries need one identity system and careful access rules. And production machines often run software that cannot be patched on the office schedule.
Remote support for plants, and what a local contractor handles
We support San Diego plants entirely from Brooklyn, and NetSys does not send engineers to the floor. That works because most plant IT problems are not physical. NinjaOne watches servers and shop-floor PCs, patches reach office machines on schedule and production machines only in windows you approve, and ThreatDown can isolate an infected engineering workstation without stopping the line beside it. For the physical side we prepare: spare shop-floor PCs imaged and labeled on a shelf, a preconfigured spare switch, documented port maps, and cabling specifications your electrician or low-voltage contractor can follow. When a machine vendor needs to connect for maintenance, it uses a named, multifactor account that is turned on for the session and off afterward, and the session is logged.
The ERP, the floor and export-controlled data
Most manufacturing IT trouble lives between the business systems and the machines. The ERP needs counts, lot numbers and inspection results from the floor; CNC programs and CAD files move between engineering and the cell; test stations write results that quality has to keep; label printers and scanners talk to everything. We map those flows and give each a defined path: production equipment on its own network segment behind a Meraki or Fortinet firewall, with only the ports the ERP and file shares need allowed through. For defense work, drawings and CUI live in a defined enclave with its own groups, logging and access reviews, and export-controlled technical data is encrypted end to end where your export plan relies on the ITAR encryption provision. The ERP stays with its vendor for application support; we run the servers, databases, backups and network under it.
Two-country plants, outages and ransomware
Many San Diego manufacturers run engineering and sales here and production in Tijuana, or the reverse. One Microsoft 365 tenant and one Entra ID directory should cover both sites, with Conditional Access rules that recognize each country, device compliance checks and site-to-site VPNs between plants, so nobody shares passwords to get work done. Continuity is the other priority. The September 2011 blackout cut power across the San Diego area for up to 12 hours, and fire weather brings SDG&E power shutoffs to backcountry facilities. Ransomware is the likelier stoppage, and manufacturers are frequent targets because downtime is expensive for them. We plan with UPS runtime sized for an orderly shutdown, immutable backups of the ERP and engineering files held out of the region, a second internet path and a recovery order the plant manager has signed off.
Everything else about how we serve the area, including coverage, how support is delivered and the honest answer about where our office is, lives on our location page for California.
Compliance rules for San Diego manufacturers
DFARS 7012, NIST SP 800-171 and the paused CMMC rollout
If a prime flows down DFARS 252.204-7012, your systems holding controlled unclassified information must meet NIST SP 800-171 Revision 2, and you must post and affirm an SPRS score. The third-party Level 2 certification step, CMMC Phase 2, was suspended on July 13, 2026 before its November 10 start, and Phases 3 and 4 wait on a reform task force whose report is not yet public. Self-assessments at Levels 1 and 2 are still required, so the system security plan and the evidence behind your score must hold up.
ITAR and export-controlled technical data
Technical data for defense articles falls under the International Traffic in Arms Regulations. A rule effective March 25, 2020 treats sending or storing unclassified technical data as not an export when it is secured end to end with FIPS 140-2 validated cryptography or other means of at least 128-bit strength, subject to conditions on where it is stored. Release of unencrypted data to an unauthorized foreign person is still an export, which matters for plants with staff in Mexico. We configure encryption, storage location and access groups to match your export compliance plan.
FDA cybersecurity for medical devices (section 524B)
Since March 29, 2023, makers of cyber devices, meaning devices with sponsor-validated software that can connect to the internet, must include cybersecurity information in premarket submissions: a plan to monitor and address postmarket vulnerabilities, processes that give reasonable assurance the device and related systems are cybersecure, and a software bill of materials covering commercial, open-source and off-the-shelf components. Your engineering and regulatory teams own the device; we secure the development, build and document systems that produce it.
California connected-device and breach laws
California's connected-device security law, in force since January 1, 2020, requires manufacturers of internet-connected devices to equip them with reasonable security features; for devices reachable outside a local network, a unique preprogrammed password per device, or forcing the user to set a new credential before first use, meets it. Separately, Civil Code 1798.82 has, since January 1, 2026, generally required breach notices to affected residents within 30 calendar days of discovery. This is general information, not legal advice.
This is general information, not legal advice. Confirm your obligations with counsel.
Manufacturers in San Diego: FAQs
Who provides IT support for manufacturers in San Diego?
Several firms do. NetSys is a managed IT and cybersecurity company, founded in 1998, that works with manufacturers remotely from one office, in Brooklyn. We fit San Diego plants that want engineers handling the ERP's servers, the shop-floor network, security and compliance evidence, while a local electrician or low-voltage contractor does physical installs from our specifications. If your plant needs a full-time technician on the floor, a local hire or nearby firm should sit alongside us, and we can work co-managed with them.
What does IT support cost for a manufacturer in San Diego?
It is priced per user per month after an assessment, with shared shop-floor PCs and test stations counted by device. The main cost drivers are the number of plants and whether one is in Mexico, servers for the ERP and engineering files, the compliance evidence required (NIST SP 800-171, ITAR controls or FDA-related documentation), the size of the production network we manage and after-hours change windows. Network redesigns and CUI enclaves are quoted as projects.
How do you help San Diego manufacturers meet NIST SP 800-171 and CMMC requirements?
We start with a gap assessment against the 110 requirements of Revision 2, then build what is missing: an enclave or tenant configuration for CUI, multifactor authentication, logging and alerting, access reviews, encryption, incident response and backup procedures. We write and maintain the system security plan and plan of action, help you calculate an honest SPRS score, and keep the evidence organized for a prime's review or a future assessment. Your contracts team decides which clauses apply.
Do you support ERP and MES systems for manufacturers?
We support the infrastructure under them and coordinate with their vendors on the rest: servers or Azure virtual machines, SQL backups, the network, VPN links between plants, user accounts and single sign-on, label printers, scanners and integrations with shipping and EDI. Configuration, upgrades and application bugs stay with the ERP or MES vendor, and we open and follow those tickets for you. When a problem crosses both sides, we join the vendor's call with logs in hand.
Can you secure older production machines that cannot be patched?
Yes, by isolating them rather than patching them. Machine controllers, test equipment and PCs locked to an old Windows version go on their own network segment with no internet access and only the specific connections they need, with USB controls where possible and monitoring of traffic at the segment boundary. Vendor remote access is turned on for a session and off afterward. That keeps older equipment producing while it waits for a planned replacement, and it gives auditors a clear boundary to review.
Services behind this work
Related pages
Other industries in San Diego: Logistics IT Support in San Diego, CA · IT Support for Professional Services in San Diego, CA
Manufacturers elsewhere: Manufacturing IT Support in Los Angeles, CA · Manufacturing IT Support in Rockland County, NY · Manufacturing IT Support in Westchester County, NY · Manufacturing IT Support in Fairfield County, CT · Manufacturing IT Support in Norwalk, CT · Manufacturing IT Support in Bridgeport, CT · Manufacturing IT Support in Danbury, CT · Manufacturing IT Support on Long Island
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