Network Security L3

🌍 Remote, USA 💹 Full-time 🕐 Posted Recently

Job Description

Key responsibilities include:

This is a hands-on technical role:
Provide tier-3 (expert level) operational support for Firewalls, Proxies, IDS/IPS, NAC to resolve critical business issues that require deep network troubleshooting techniques and performance analysis
Independently own the Security Infrastructure support solving complex issues and suggest design modifications as appropriate.

Ensure SLAs are met - Responsible for performance analysis, proactive troubleshooting, and capacity planning for the Security platforms.

Perform monitoring and maintenance of overall environment working with experienced team members.

Perform change controls. Update process documentation and team portals

Participate in troubleshooting, capacity planning and analysis, performance analysis & Root Cause Analysis.

Communicate with peers and managers regarding system issues & participate in 24x7 on-call.

Automate operational tasks to make processes simpler and more robust.

Ability to handle multiple complex tasks in a dynamic environment, with tight deadlines concurrently.
Refresh heat-maps and operations plans for campus network Security connectivity
Monitor and analyze statistical data to develop improvement plans for network Security and application performance
Provide an effective network Security capacity plan
Develop and monitor global weekly and monthly trending reports by business sectors to justify future growth

Oversees the management of service level agreements (SLAs) with vendors and service providers
Oversees and directs all aspects of the 24/7/365 mission critical network/telecommunication infrastructure operations, including planning, supporting, and maintaining functions
Serves as the senior-level escalation point for network operations to resolve critical incidents
Maintains policy and procedures manual, conducts monthly service review meetings with key stakeholders
Provides leadership, management, direction, and technical oversight for the network Security operations department

Bachelor's degree or related qualification
Certifications is a must (PCNA, CCNP Security, CCDP, CCIE Security)
Minimum 12+ years of working in a Network / Telecommunications role, with expert level experience with Firewall Management, Proxy Management, IDS/IPS Management, NAC Management, SD-WAN, VPN, Firewalls, etc technologies
Experience of working in a multi-cultural, virtual team, across multiple geographical regions
Experience with technologies such as: Cisco / Juniper/ Palo alto HSRP/VRRP, VRF, VPC, VC, LACP, Fabric Path.
Experience with technologies such as: Cisco VPN, Any connect, Aruba GNAC, Cisco NAC
Experience with technologies such as: Palo Alto Threat Protection/ Cisco Firepower/ iXIA IPS/IDS, Symantec Secure Web Gateways, Zscaler
Extensive support of Routing Protocols/Technologies such BGP,OSPF, Logical Overlay, IOS-XR, MPLS VPN, Multicast.
Strong understanding of application communication methodologies.
Ability to perform TCP/IP Network traces/packet captures with solid experience interpreting results.
High level of confidence and competence communicating on bridges.
Solid background in vendor management to drive incident resolution.
Experience with monitoring tools and strategies
Execute and analyze packet captures using Wireshark and other related technologies.
Perform or participate in complex maintenance or deployment activities.
Create or modify documentation in response to new events and learnings.
Routinely provide constructive feedback for improvement opportunities
Ability to coordinate and direct activities across multiple teams
Excellent customer focus and engagement skills
Ability to develop solutions within a complex operational environment
Excellent verbal and written communications skills
Advanced knowledge of technical/business environment and problem determination strategies
Develops and maintains standard operating procedure manual and processes used by the team