Sr Network Engineer/ Architect

Job Description Job Description Title: Network Engineer / Network Architect
Location: Orange County, CA/ Santa Ana, CA
Duration: 12 Months Plus
Position Summary:
Design, implement, and support resilient, secure, and highly available enterprise communication networks that support mission-critical operations in a 24x7 environment. The role focuses on ensuring reliable connectivity, network performance, and infrastructure availability for complex operational facilities.

Key Responsibilities

• Design, deploy, and maintain enterprise LAN, WAN, and wireless network infrastructure.
• Configure and manage routing, switching, firewalls, and network security solutions.
• Perform network capacity planning, performance analysis, and optimization to ensure high availability and scalability.
• Develop and maintain network architecture documentation, topology diagrams, and technical standards.
• Support IP telephony, unified communications, and other business-critical operational technology (OT) systems.
• Conduct network testing, validation, commissioning, and troubleshooting during deployments and infrastructure upgrades.
• Collaborate with cross-functional teams to ensure network reliability, security, and compliance with organizational standards.
• Participate in incident response, root cause analysis, and continuous improvement initiatives for critical infrastructure.

Required Qualifications

• Bachelor's degree in computer science, Information Technology, Electronics, or a related field.
• Minimum 5 years of hands-on experience in network engineering within large-scale, high-availability enterprise environments.
• Strong expertise in TCP/IP, routing protocols, switching technologies, wireless networking, and network security.
• Experience supporting business-critical infrastructure requiring high reliability, redundancy, and operational continuity.
• Proficiency in diagnosing and resolving complex network performance and connectivity issues.

Preferred Certifications

• Cisco Certified Network Professional (CCNP)
• Cisco Certified Internetwork Expert (CCIE)
• Registered Communications Distribution Designer (RCDD)
• Project Management Professional (PMP).

Preferred Experience

• Experience designing and supporting networks for complex, multi-site operational facilities or other environments requiring continuous (24x7) service availability.
• Familiarity with integrating enterprise IT infrastructure with operational technology (OT) systems and secure communication platforms.