Brian C.

I’m a U.S.-based IT and cybersecurity consultant. I help businesses resolve Microsoft 365, Google Workspace, email, DNS, and network problems—and keep their systems secure, reliable, and documented. Whether you need one stubborn issue fixed, a carefully managed migration, or someone to take ownership of your business IT, I can handle the work from investigation through implementation, verification, and handoff. I own CTRL-A Technical Services, based in Riverside, California. My background includes more than 12 years supporting technology, infrastructure, cybersecurity, and complex technical projects, including national security and defense environments. WHAT I CAN HELP WITH 🏢 Microsoft 365 & Google Workspace Setup, administration, and troubleshooting for users, licenses, Exchange Online, shared mailboxes, Google Admin, Microsoft Entra ID, MFA, permissions, and file sharing. I help clean up existing environments, resolve access problems, and manage changes with attention to how they affect your team. 📧 Email Deliverability, DNS & Migrations Troubleshoot missing email, delivery failures, authentication problems, and domain configuration issues. Services include SPF, DKIM, DMARC, MX records, mail routing, aliases, forwarding, domain transfers, and email migrations. I account for existing mail and connected services, then verify that sending and receiving work after the changes. ☁️ Cloudflare Security, Zero Trust & Applications Cloudflare DNS, SSL/TLS, redirects, WAF configuration, website protection, Access, Tunnel, and secure access to business applications. I also build practical tools and integrations using Workers, Pages, D1, R2, APIs, and webhooks—for monitoring, dashboards, alerts, and internal workflows. 🔐 Cybersecurity & Identity MFA, access reviews, endpoint protection, email security, device hardening, patching, and vulnerability remediation. I review existing configurations, prioritize practical improvements, and document the changes. My background includes work with NIST 800-171 requirements and SOC 2 and ISO 27001 implementation efforts. 🌐 UniFi, Networking & Wi-Fi UniFi gateways, switches, access points, Protect, and Access. Troubleshooting for Wi-Fi performance, connectivity, VLANs, VPNs, firewalls, and remote access. I support offices, warehouses, and other business environments where reliable connectivity matters to daily operations. 💻 Windows, Mac & Ongoing Business IT Support Troubleshooting for devices, Outlook, Apple Mail, software, accounts, and remote access. Support includes endpoint management, Microsoft Intune, patching, and vendor coordination. I can resolve a focused issue or provide ongoing technical ownership for a business without a dedicated IT department. 📋 IT Assessments, Project Ownership & Documentation Review an existing environment, identify reliability and security gaps, and turn findings into a prioritized plan. Coordinate technical projects and vendors, document systems and procedures, and provide a clear handoff so IT does not depend on one person's memory. ⚙️ IT Integrations & Automation Connect monitoring, ticketing, documentation, and business systems through APIs, webhooks, and scripts. Build focused workflows for alerts, reporting, and data collection that reduce repetitive administration and improve visibility. I focus on finding the underlying problem, making careful changes, verifying the result, and explaining what changed in plain language. Based in Riverside, California, I provide remote support nationwide and onsite services in the Inland Empire and Greater Los Angeles area. Send me a message with what is happening or what you want to improve, and I’ll help define the next step. -Brian