via Jobvertise
$90K - 130K a year
Provide expert-level operational support and management of network security infrastructure including firewalls, proxies, and IDS/IPS systems.
Requires 12+ years in network/telecommunications with expert firewall and network security management skills and relevant certifications.
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 Additional Responsibilities Include: • 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 Required Qualifications and Experience: • 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
This job posting was last updated on 3/6/2026