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Closed on September 16, 2026.
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Senior Network & Network Security Engineer / SME – Cisco
Senior
Cisco
Cybersecurity Tools
Engineer
Firewall Management
Information Security
Information Technology (IT)
InfoSec
Mpls
Network Security
Network Support
Networks
Remote Access Vpn
Security
Security Engineering
Solution Architecture
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Job Description
IDM Groups LLC is hiring a Senior Network & Network Security Engineer / SME to support a large-scale enterprise environment in Los Angeles.
Responsibilities
- Design, analyze, optimize, and support complex enterprise network architectures
- Support network infrastructure integration and interoperability across enterprise platforms
- Design, implement, troubleshoot, and optimize enterprise MPLS networks
- Design, implement, and enhance enterprise network security architecture
- Configure, support, and optimize Cisco enterprise switches, routers, and Next-Generation Firewalls (NGFW)
- Perform Cisco IOS, firmware, and approved software upgrades across switches, routers, firewalls, and related infrastructure
- Support and optimize network management and monitoring platforms:
- Cisco Catalyst Center
- Cisco Identity Services Engine (ISE)
- Cisco Secure Firewall Management Center (FMC)
- ThousandEyes
- Spectrum
- Support enterprise network access-control technologies, including VPN, Cisco ISE, and local access-control solutions
- Perform advanced troubleshooting, incident resolution, root-cause analysis, and network performance management
- Conduct network infrastructure assessments, including power and fiber redundancy for critical core-network equipment
- Perform system patching, security vulnerability remediation, compliance validation, and certification reporting
- Respond to and document operational issues through ServiceNow
- Prepare technical documentation, implementation records, assessments, and reports
- Provide technical knowledge transfer and training to engineering and operational teams
- Collaborate with engineering, cybersecurity, operations, and business stakeholders to maintain network reliability, security, and performance
Requirements
- Minimum 5 years of hands-on experience supporting enterprise network and network-security environments; 7–10 years strongly preferred
- Strong hands-on experience with Cisco enterprise switching and routing technologies
- Extensive experience with Cisco Next-Generation Firewalls (NGFW)
- Working knowledge of Cisco Catalyst Center
- Working knowledge of Cisco Secure Firewall Management Center (FMC)
- Working knowledge of Cisco Identity Services Engine (ISE)
- Experience with enterprise MPLS networking
- Experience with enterprise network security, VPN, access control, and security architecture
- Experience performing Cisco IOS and firmware upgrades
- Strong enterprise network troubleshooting and incident-resolution skills
- Experience with vulnerability remediation, network patching, and security/compliance activities
- Strong analytical and problem-solving capabilities
- Strong technical documentation and communication skills
- Ability to work effectively with engineering, cybersecurity, operational, and business teams
- Must be available to work on-site in Los Angeles, Monday through Friday
Technologies
- Cisco enterprise switching and routing technologies
- Cisco Next-Generation Firewalls (NGFW)
- MPLS
- Cisco Catalyst Center
- Cisco Identity Services Engine (ISE)
- Cisco Secure Firewall Management Center (FMC)
- ThousandEyes
- Spectrum
- VPN
- ServiceNow
- Cisco IOS
- Firmware
- Next-Generation Firewalls
Certifications
- Cisco Certified Network Professional (CCNP) certification is strongly preferred
- Candidates without an active CCNP may be considered if they can demonstrate equivalent advanced enterprise networking and network-security experience
Preferred Qualifications
- Current and active CCNP certification
- 7–10 years of enterprise networking/network-security experience
- Experience with ThousandEyes and Spectrum
- Experience supporting large, highly available enterprise network environments
- Experience with network-security compliance, cybersecurity best practices, and risk-management processes
- Experience supporting public-sector organizations or other large-scale enterprise environments
- Experience with ServiceNow or similar enterprise IT service-management platforms
Compensation
- $75.00/hour (from $75.00 per hour)
Work Location
- In person
- Los Angeles, CA