Network Engineer

OSI Digital; Irvine (CA); On-site; USD 120,000 - 150,000; Full time

Job summary

OSI Digital, Inc. in Orange County, CA is seeking an experienced Network Engineer for a 6-month contract to design, implement, and support enterprise LAN/WAN and security deployments across multi-platform environments.

The ideal candidate will bring CCNP, Palo Alto and F5 LTM experience, strong troubleshooting, and the ability to document configurations and standards for fast-paced operations. You will work onsite five days a week with a focus on perimeter security, routing and switching design,

Qualifications

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

Responsibilities

• Design and implement LAN/WAN deployments for Enterprise multi-platform environments.
• Configure and manage perimeter security (Palo Alto, Cisco ASA) and firewall rules.
• Troubleshoot complex network and security issues with packet capture tools (Wireshark, tcpdump).
• Maintain network documentation and diagrams using Office tools.
• Collaborate with teams to optimize network performance and security across data centers.

Skills

Networking concepts

LAN/WAN design

Troubleshooting

Documentation

Security design

Cisco routing & switching

BGP/OSPF/HSRP

WAN connectivity

WLAN Controllers/APs

Network monitoring

Education

Bachelor’s degree in CS / MIS or related

Tools

Palo Alto firewalls (PANOS)

Palo Alto Panorama

Cortex XDR

Wireshark

tcpdump

F5 LTM

Cisco ASA

Cisco IOS/ASA

Job description

Role

Network Engineer

Location

Orange County, CA onsite 5 days

Duration

Contract- 6 months

About the Role

Ideal candidates will have well-rounded expert level knowledge of network and security design principles including a comprehensive understanding of networking concepts pertaining to LAN and WAN deployments within Enterprise multi-platform environments.

Requirements

• Bachelor’s degree in computer science, MIS or related technical field of study
• 8+ years of experience as a Network Engineer
• CCNP or 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 and WAN connectivity designs
  • Cisco WLAN Controllers and APs
  • Perimeter security design
  • Configuring, managing, and troubleshooting Firewalls - 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, including iRules.
  • 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 preparing and sharing technical documentation using Microsoft Office Word, Excel, PowerPoint, and Visio.
• 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.