Hire the Best Network Security Engineers in California

"David has a true gift. His talent for resolving technical problems is truly exceptional. His demeanor may be quiet, but his enthusiasm and expertise are at the top of the IT Business." "David is incredible. He provided all aspects of IT support from desktop to network and server support single-handedly for a long time before we were able to hire anyone else in IT" "The work we have had performed by Mr. Jones has been of the highest caliber." Have a Windows Server or other IT-related problem or project? You've come to the right place. I am passionate about technology, and we love helping people with it. I have 20 years of experience in IT and have worked with small businesses and Fortune 500 Companies such as GE Financial and L-3 Systems. Whatever your Windows Server or IT Support needs, I will deliver on time and with a smile. :)

Experienced Network Engineer with 6 years of hands-on engineering expertise. I hold a Secret Clearance and a strong portfolio of certifications, including CCNP Enterprise, CCNA, CompTIA A+, Linux+, Cloud+, and Cisco CyberOps Associate. My background spans network design, security, troubleshooting, and cloud integration, paired with sales experience—making me uniquely equipped to communicate technical solutions with clarity and impact. I bring discipline, precision, and a mission-focused mindset to every project.

Experienced Network Engineer specializing in network design, configuration, optimization, and troubleshooting. I work with a wide range of technologies—routing, switching, firewalls, VPNs, and wireless networks—to build secure, scalable, and high-performance infrastructures. Skilled in Cisco, MikroTik, Checkpoint, Palo Alto, and other major platforms. I deliver: • Network design & architecture • Router/Switch/Firewall configuration • VPN setup (IPsec, OpenVPN, SSL) • Network security hardening • Performance optimization & troubleshooting • Documentation & ongoing support Focused, detail-oriented, and committed to providing reliable, high-quality solutions.

I am a cybersecurity and IT infrastructure professional with experience in security operations, cloud security, firewall engineering, VPNs, endpoint protection, vulnerability management, and managed IT support. I help businesses secure their networks, troubleshoot infrastructure issues, improve threat detection, harden cloud environments, and build practical security programs. My experience includes Palo Alto, Cisco ASA, Zscaler, CrowdStrike, Splunk, Microsoft Defender, Rapid7, Tenable/Nessus, AWS, Azure, GCP, Fortinet, and SonicWall. I can help with cybersecurity assessments, firewall/VPN troubleshooting, vulnerability remediation, cloud security reviews, endpoint security, SIEM tuning, incident response support, and small business IT support. My focus is simple: reduce risk, improve reliability, and deliver clear technical results without unnecessary complexity.

IT Consultant: Infrastructure Design, Security, and Systems Automation I've provided secure, scalable, and maintainable systems for enterprises, research institutions, and media companies. My focus is on reducing technical debt and hardening infrastructure against modern threats through tailored, professional-grade solutions. I am currently offering competitive introductory rates for new clients to establish long-term partnerships on the platform. Professionally Licensed and Insured. Core Capabilities Systems and Security Windows, Linux, and Unix administration, hardening, firewalls, and VPN integration. Expertise in mail servers (Postfix, Exim, Sendmail), DNS (BIND), and deployment via Ansible. Full CI/CD pipeline management (GitLab, Jenkins) and incident response planning. Web and Applications High-performance configuration for Apache and NGINX, reverse proxies, WordPress, and Drupal. Specializing in seamless patching and performance optimization. Data and Cloud Database administration, ETL pipelines, and analytics workflows. AWS cloud architecture and complex migrations. Specialized Experience * Digital Forensics and Incident Response (DFIR). * High-performance computing (HPC) and scientific research systems. * OEM hardware diagnostics and remote troubleshooting. * Big-data email infrastructure and advertising pipelines. Certifications Active: AWS CCP, Linux+, SecurityX Technical Background: RHCE, MCP, CySA+, AWS Solutions Architect, Fortinet NSE

Meraki Certified Network Operator and Firewall Network engineer, I have many years setting up and configuring, VPN, SD-WAN and remote locations Meraki and Cisco Switches and networking. Fortinet Firewall setup and config with remote locations and firewall filtering. User VPN setup and configure. Firewall rules and filtering. Nimble SAN Storage server setup and config with VMWare Esxi 5.0-6.7 setup and config with ISCSI connectivity for system storage profiles. Switches, Cisco Aeronet, Meraki, Ubiquiti and Motorola wireless, Nuuo video monitoring and LifeSize video conferencing. Troubleshoot TCP/IP, DNS, WINS, DHCP and VPN. Support and maintain computing services including Windows Hyper-V and IBM iSeries and System X servers, VMWARE Esxi 5.5-6.5. Server, 2003-2019 Citrix XenApps, and Windows environment. Troubleshoot EDI transactions in Data Masons Vantage Point and Liaison AS2. Administer Office 365 mail and apps.