Network Engineer

Osi Digital Inc; Irvine (CA); On-site; USD 96,000 - 165,000; Part time

Job summary

Osi Digital Inc. is seeking an experienced Network Engineer for a 6-month contract in Orange County, CA, onsite. You will design and support Enterprise LAN/WAN, security, and multi‑vendor network deployments with Cisco, Palo Alto, and F5 technologies.

The ideal candidate has 8+ years as a Network Engineer, CCNP or higher, Palo Alto and F5 LTM certifications, and strong troubleshooting skills. Must enjoy collaborating in a fast-paced enterprise environment.

Qualifications

• Bachelor's degree in computer science, MIS or related field.
• 8+ years experience as a Network Engineer.
• CCNP or higher Cisco certification and Palo Alto certification; F5 LTM experience.

Skills

Cisco routing

Switching design

Routing protocols

LAN/WAN design

WLAN controllers

Perimeter security

Palo Alto firewall

F5 LTM

Cortex XDR

Education

Bachelor's degree in Computer Science / MIS / related field

Tools

Palo Alto Panorama

Cisco ASA

F5 BIG-IP

Wireshark

Job description

Role: NetworkEngineer

Location: Orange County, CA onsite 5 days

Duration: Contract- 6 months

Ideal candidates will have well-roundedexpert levelknowledge of network and security design principles includinga comprehensive understanding of networking concepts pertaining to LAN and WANdeploymentswithinEnterprisemulti-platform environments.

Requirements:

• Bachelor's degree in computer science, MIS or related technical field of study
• 8+ years of experience as aNetwork Engineer
• CCNPor higher Cisco certification
• Palo Alto certification
• F5 LTM experience

Skills and Experience:

• Thorough knowledge of infrastructure technology interdependencies.
• Strong aptitude for learning new technologies and understanding how to utilize them.
• Exceptional troubleshooting and problem-solving skills.
• Technical expertise in the following areas:
• Cisco routing and switching design, configuration, and troubleshooting
• Routing protocols- BGP, HSRP, OSPF, EIGRP, RIP
• LAN andWAN connectivity designs
• Cisco WLAN Controllers and APs
• Perimeter security design
• Configuring, managing, and troubleshootingFirewalls - Palo Alto, Cisco ASA.
• Configuring and managing Palo Alto Networks security policies, including creating rules and profiles, defining network zones, and managing user access control.
• Monitoring network traffic and security events using Palo Alto Networks monitoring tools, including Panorama and Cortex XDR.
• Configuration and troubleshooting of F5 LTM, includingiRules.
• Networking protocols such as ARP, DHCP, DNS, NTP, SMTP, HTTP(S), VOIP,SSH, NFS, SMB, CIFS, etc.
• Upgrade procedures for Cisco, Palo Alto, and F5 LTM.
• Packet capture tools (tcpdump, Wireshark) and analysis of outputs.
• CLI and GUI based consoles for all supported devices.

• Efficient in preparingand sharingtechnical documentation using MicrosoftOfficeWord,Excel,PowerPoint, andVisio.
• Strong written, communication,and presentation skills.
• Ability to work effectively and efficiently in a fast-paced, rapidly changing environment.
• Ability to work independently and identify opportunities for process improvement.
• Desire to learn new skills, take on new tasks as needed, and work as part of a team.