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Senior Network Security Engineer - Operations, EngineerinG

SUMMARY:

  • Progressive 13 - year track record of solid network engineering, design and security combined with superb customer service
  • Technically sophisticated network engineering, design and security professional with solid history of effective implementation of enterprise and residential networks and systems combined with a strong knowledge of network infrastructure, troubleshooting and monitoring.
  • Broad knowledge of protocols and complex network infrastructure, with extensive, direct hands-on work with numerous hardware appliances.
  • Skilled Confidential detecting and locating problems, while resolving a wide range of issues to the highest level of customer satisfaction.

EXPERTISE AREA:

  • Network Engineering & Operations
  • Network Security
  • Technical Support
  • Customer ServiceNetwork Automation
  • Network Design
  • Wireless Networks

TECHNICAL PROFICIENCIES:

Platforms: Linux, Windows, Mac OS, Cisco IOS/IOS-XE/XR/NX-OS (Enterprise & Data Center), JUNOS, TiMOS, Linux-RedHat, CentOS, Ubuntu, Linux Mint.

Tools: Wireshark/TCPDUMP, Ansible, Puppet, Cisco Anyconnect VPN, Juniper Pulse Secure VPN, Cisco ASA/Juniper SRX/Firewall/ASDM, IDS/IPS, Telnet/SSH, RADIUS/TACACS+, AAA, Remedy, ServiceNow

Networking TCP/IP Protocols & Technologies: BGP, MPLS L3 VPN, ISIS, EIGRP, OSPF, RIPv2, IPsec VPN, GRE, DMVPN, IP Multicast-PIM, QoS, VSS, vPC, STP, OSI model & TCP/IP model, TCP/UDP, HTTP/S, DNS, DHCP, SDN - Cisco ACI, Cloud VM/Storage/Database/Networking/VPC (Scripting) Python, Perl, PHP, C++, Java, HTML/CSS/JavaScript, and MySQL, API/SDN, Apache Webserver, Virtual Machine.

Hardware: Cisco, Cisco Nexus, Cisco Catalyst, Juniper MX/M/SRX, Alcatel-Lucent/Nokia SR, Redback, Brocade/Foundry routers and switches, Fortinet.

Current Knowledge/Skill: AWS Cloud, Linux, MCSA.

PROFESSIONAL EXPERIENCE:

Confidential

Senior Network/Security Engineer - Operations & Engineering

Responsibilities:

  • Managing network infrastructures and providing network management lifecycle services/support to our Enterprise clients in Finance, Insurance, Manufactory, Government, and Aerospace & Defense industries, Our level of services including monitoring/troubleshooting/configing/designing/architecture their Branch/Office/HQ/Campus & Data Center locations.
  • Hands on Cisco IOS/Cisco Nexus/Juniper routers/switches/firewalls, Palo Alto and Checkpoint Firewall, F5 and Citrix Load Balancer, Riverbed - Steelhead WAN Optimizer, Cisco Meraki cloud/APs, Aruba and Motorola Wireless LAN Controller and many other Enterprise network devices.
  • Working on network-IT tasks/requests/tickets such as router/switch, vlan, vpn, ap, end point, server connectivity issues etc. on daily basis.
  • Working on network engineering projects such as re/design and deploy networking/firewall equipment to new sites, implement IDS/IPS, support Cisco Umbrella/OpenDNS (Cloud Delivered Enterprise Security service), hardware refresh, wireless ap upgrade, build new vip on the load balancers, implement/modify new security policies on the firewalls, turn up/cut over IPsec/SSL VPNs etc., plus writing RFCs and SOPs.
  • As the Sr. Technical Lead on the client account, responsible for presenting KTs to Junior Network Engineers.
  • Utilizing Confidential 's proprietary products for IT tasks automation, such as working with Confidential IPautomata - the Virtual Engineers (written in JavaScript) and creating automation (using JavaScript & Python & Ansible) in (monitoring) IPmon (Managed by Puppet, running Nagios on Linux based) to diagnose and remedy network related issues/tasks in (ticketing system) IPcenter v3 (alignment with ITIL v3) for many Enterprise clients.
  • (Providing managed network security services) Deploy/design/admin/monitor/TSHOOT/optimize: NGFW-Juniper SRX/Cisco ASA firewall in Enterprise clients network infrastructure.
  • Working/Managing Network Security projects such as design/implement firewall security policies/zones, IDS/IDP/UTM policies, IP packet/URL/content filtering, site to site/remote access VPNs, clustering/HA pair, replacing/upgrading firewalls etc.
  • Protecting customer network infrastructures and ensure network SLA 99.9% uptime.
  • Supporting the SIEM product - Splunk ES for Enterprise client (Big Data analytics solution/Business Intelligence tool).
  • Creating security alerts, reports, security posture dashboard.
  • As the Splunk - SME, responsible for deploying (on Linux)/configing/developing/admining (both back end (Linux & WebUI) and front end (WebUI)) Splunk ES for Enterprise client.
  • As the Security Engineer/Technical Lead, working and leading projects on the SOC team.
  • Laying out the framework Splunk ES.
  • Creating SOC compliance, alerts and SOPs.
  • Coaching Junior SOC Engineers on Splunk.

Confidential

Network Engineer - IP Engineering

Responsibilities:

  • Led design, implementation and deployment of campus network with 20+ multi-vendors routers and switches. Created multiple network topologies and network automation scripts (Python) and hosted apache webserver in Linux on the virtual machine to train other team members.
  • Mitigated DDoS attack resulting in near-zero outages with minimal downtime.
  • Reduced customer outages to less than 4 hours with custom network automation tools, meeting SLA and exceeding company goal by 10%.
  • Quick resolution of DNOC-IP group ticket queue (including network maintenance tasks), reducing backlog 66.6% within months.

Confidential

Network Activation Engineer - Service Delivery

Responsibilities:

  • Provided Tier 2 Enterprise network and infrastructure deployment/activation support to onsite techs, troubleshooting Confidential and Enterprise site installations while providing 24x7 monitoring, and working directly with customers and IT to resolve LAN and WAN issues.
  • Managed communication with ISPs and carriers for circuit installations.
  • Provided verification of LAN and WAN connectivity across all levels and devices, including VPNs and firewalls.
  • Improved the site install productivity by 50% by simultaneously working with multiple local site techs on multiple site installations.
  • Exceeded the company monthly managed customer sites install goal by 15%.

Confidential

Wifi Customer Support

Responsibilities:

  • Provided Tier 1 & 2 network support to internal and external customers, and Tier 1 & 2 support to business IT staff and onsite technicians.
  • Monitored wide array of WLAN Controller and Access Points, troubleshooting issues, resolving as able or escalating as needed, and documenting them to investigate root causes and mitigate repetition.
  • Reduced customer WiFi down-time to near-zero (0s).
  • Maintained customer WiFi experience Confidential 99.9%.

Confidential

Technical Support Rep

Responsibilities:

  • Assisted business and residential customers with technical issues including Internet, networking, computer, and email, troubleshooting issues in a timely manner.
  • Managed network devices, setting up static ip/dynamic ip, TCP/UDP ports, firewalls, and NATs.
  • Used remote login to help business customers with DSL setups.
  • Created and monitored support tickets, ensuring completion or escalation.

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