Senior Network Engineer

Cosm; Los Angeles (CA); On-site; USD 160,000 - 175,000; Full time

Job summary

Cosm is seeking an experienced senior network engineer to build a new global network and operations center from scratch. You will partner with multiple technology teams to design a resilient network supporting our immersive entertainment ventures.

You will lead network design, firewall management, and security policy implementation across on-prem and cloud, while mentoring Tier 1/2 teams and aligning with the Global Operations group.

Qualifications

• 10+ years of IT experience with a focus on networking and security.
• Experience managing and troubleshooting complex multi-site networks.

Responsibilities

• Deploy, configure, and manage Palo Alto firewalls across on-prem and cloud.
• Implement security policies, NAT rules, and access controls.
• Collaborate with teams and vendors on new site builds and network solutions.
• Develop automation tooling for deployment and disaster recovery.

Skills

Networking & Security

CCNP

Palo Alto

BGP

IaC tooling

Cloud networking

Python scripting

IPAM/DNS automation

Education

CCNP or equivalent hands-on certification

Tools

Cisco

Palo Alto

Dell

Ruckus

Arista

ClearPass

Panorama/CloudVision/SD-WAN

Azure/GCP/AWS networking

Terraform

Ansible

Pulumi

Job description

Cosm is a global technology company that brings experiences to life in immersive environments. We help our partners create spaces and content that blur the lines of real and virtual across three primary markets: Sports and Entertainment, Science and Education, and Parks and Attractions. Cosm was born from the fusion of some of the greatest innovators in the history of technology. Evans & Sutherland, Spitz, Inc., and Cosm Immersive combined forces to power the immersive experiences of the future as Cosm. Innovation is in our DNA.

Summary

Cosm is looking for an experienced senior network engineer to help build a new global network and operations center from the ground up. You'll partner with several different technology teams within Cosm to define and create a network supporting the company's growing immersive entertainment business. This is an amazing opportunity to join a new team on the ground floor of a new venture, designing networks from scratch rather than inheriting someone else's architecture.

Responsibilities

• Deploy, configure, and manage Palo Alto firewalls across on-premises and cloud environments.
• Implement and maintain security policies, access controls, and NAT rules to meet organizational requirements.
• Partner with peers, other departments, and vendors on deploying and maintaining a new multi-site network infrastructure.
• Evaluate, select, and implement proposed solution packages for new site buildouts.
• Advise on high-level strategic decisions with the rest of the engineering team.
• Develop design changes to the initial architecture based on changing requirements.
• Create and update documentation for network designs, best practices, and operational procedures.
• Be Tier 2 and 3 support for networks once implementation is completed.
• Train Tier 1 support teams in troubleshooting procedures.
• Act as part of the Global Operations team in monitoring the overall infrastructure.
• Maintain, and update network equipment to the latest stable firmware release.
• Manage wireless networks, Network Access Control (NAC), and infrastructure monitoring.
• Research emerging methodologies to constantly improve the efficiency of current networks.
• Establish and implement network security protocols and procedures.
• Develop automation tooling to better improve our deployment and disaster recovery operations.
• Available for nights and weekends, as schedule varies depending on site operational needs; flexibility required.
• Work during live productions in non-office environments with loud noise levels and busy conditions.

Experience

• 10+ years of experience in IT.
• 8+ years of experience working in Networking and Security.
• CCNP or equivalent hands-on experience managing, updating, and troubleshooting Routing/Switching/Wireless networks.
• Experience with BGP routing protocol.
• Experience managing Palo Alto firewalls, including creating and monitoring firewall policies; PCNSE or PCNSA certification required.
• Experience with network security, including establishing and implementing security protocols and procedures.
• Proficiency with our core vendor stack: Cisco, Palo Alto (including Panorama, CloudVision, SD-WAN), Dell, Ruckus, Arista, and ClearPass.
• Experience with Azure/GCP/AWS network design.
• Hands-on, production experience with Infrastructure as Code (IaC) tooling (e.g., Terraform, Ansible, Pulumi) and scripting (Python preferred) for network automation, API integration, and configuration templating.
• Experience with platforms like Infoblox for IPAM, DHCP, and DNS management and automation.
• Experience with troubleshooting with ISPs.
• Willingness and ability to travel and perform physical tasks required for installations — rack and stack, maneuvering around venues, lifting up to 40 lbs.
• Experience with supporting media and broadcast systems and live entertainment operations.

Broadcast Specialty (strong Plus)

• Experience with Video Multicast, PTP
• Knowledge of SMPTE 2110

The annualized base salary range for this position in California is $160,000 to $175,000. The base salary offered will factor in internal equity and may also vary depending on the candidate's geographic region, job-related knowledge, skills, and relevant experience, among other factors.

All applicants must be at least 18 years of age at the time of employment. This requirement is in accordance with applicable federal, state, and local labor laws. Cosm is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.