Sr. Network Lead Engineer Resume
Kansas City, MO
SUMMARY
- Certified Network consultant with 8 years of experience in integrating, designing, deploying and troubleshooting Network & Security infrastructure on routers, switches (L2/L3) & firewalls of various vendor equipment.
- Experience working with 2600, 2900, 3600, 3900, 7200, 7600 series Cisco Routers.
- Working Knowledge of Cisco IOS, Nexus (6K, 5K & 2K).
- Efficient designing of IP Addressing Scenario using VLSM and Subnetting.
- Good at OSI Layers concepts.
- Good knowledge of Vmware and python.
- Switching tasks include VTP, ISL/ 802.1q, VLAN, Ether Channel, STP and RSTP.
- Strong hands on experience on PIX (506, 515, 525, 535), ASA (5505/5510) Firewalls. Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
- Experience in testing Cisco routers and switches in laboratory and deploy them on site production.
- Involved in Configuration of Access lists (ACL) on Juniper and Palo Alto firewall for the proper network routing for the B2B network connectivity.
- Strong hands on experience in layer - 3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches,
- Experience in IP addressing and Subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
- Experience with design and deployment of MPLS Layer 3 VPN, MPLS Traffic Engineering, MPLS QOS
- Knowledge Cisco ASA & Palo Alto Firewalls Environment.
- Proficient in setting up IT infrastructure including wide area networks (WAN) local area networks (LAN), security management systems network device administration.
- Experience in RIP, OSPF, BGP, EIGRP.
- Native communication skills and a team player, Effective inter-personal skills, adaptive to any environment, with the latest technologies and delivering solutions as an individual and as part of a team
- Experience working with Juniper Routers and SRX Firewalls, Juniper M and MX series Routers.
TECHNICAL SKILLS
Routers: 2500, 2600, 2800, 3600, 3700, 3800, 7200, 7609, ASR1k
Firewalls: Juniper SRX, Cisco ASA and Check Point
Routing: OSPF, EIGRP, BGP,RIP, PBR, Route Filtering, Redistribution, Summarization, Static routing
Switches: 2900XL, 2950, 2960, 3560, 3750X, 4500, 6500
Switching: VLANs, Dot1Q, VTP, STP, RSTP, VLAN Maps, HSRP, GLBP, CEF, DCEF, Port Security
LAN/WAN Technologies: Ethernet, Frame relay, MPLS, HDLC, PPP, T1, T3, OC Standard, ISDN
Operating System: Windows 7/XP, Windows Server 2008/2003
Protocols: IP, TCP, UDP, ICMP, NAT, DNS, DHCP, SNMP, IPSEC, SSL, HTTP, SSH.
VPN Technologies: IPSEC, SSL
PROFESSIONAL EXPERIENCE
Confidential, Kansas City, MO
Sr. Network Lead Engineer
Responsibilities:
- Experience in deployment of CISCO ASA 5585,5585-X firewalls in the network between edge routers ASR 1001,
- 02-X and Extranet CISCO Catalyst 4500,6500 and Nexus 7K, 9K Switches
- Worked in script preparation, planning, design and implementation of firewalls.
- Actively involved in network architecture, planning and design
- Worked extensively as a lead on different networking tools like Proteus, Netbrain, SecureCRT, HPNA for identifying/
- Firewall's administration on Cisco ASA 5545, 5525 with FP Svc, FortiGate 600D's SonicWALL NSA series, Palo Alto & Juniper ISG & SSG's.
- Implementing security Solutions using Palo alto PA 5000, Check Point Firewalls R75, R77.20 Gaia and Provider-1/MDM
- Locating and configuring devices in the company's vast network
- Attended several meetings with CISCO for solving issues related to bugs and software on firewalls.
- Worked on software code upgrades on firewalls
- Strong CISCO ASA firewall experience
- Worked on ASR 4451 series of routers at the edges in network design
- Modified and configured Nexus 7K switches according to the design and firewall implementation plan
- Strong experience in IPAM in creating subnets and reserving free IP addresses in the network
- Updated Sourcefire software codes and worked on redirecting traffic to the firepower module in ASA firewalls
- Maintained strong vendor and client relations on a day -to-day basis with good coordination
- Worked in conjunction with Information Security team and Network Operations for troubleshooting
- Strong experience working with 3 or more team members in a fast-paced environment.
- Setup security policies in Juniper MX480 and MX240 Routers and SRX Firewalls.
Confidential, PA
Sr. Network Engineer
Responsibilities:
- Strong knowledge on networking concepts like TCP/IP, Routing and Switching
- Experience working with Cisco Nexus 2148 Fabric Extender and Nexus series to provide a Flexible Access Solution for datacenter access architecture.
- Worked on Juniper MX 480, MX960
- Experience with Cisco UCS, Virtual Infra on VMware
- Worked on InfoBlox to change and create Secure DNS, DHCP
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance.
- Dealt with NAT configuration and its troubleshooting issues related access lists and DNS/DHCP issues within the LAN network.
- Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs
- Dealt with monitoring tools like (Solar Winds, Cisco Works), network packet capture tools like Wireshark, Deployed the Nexus 7000/5000/2000 architecture.
- Configured IPsec VPN (Site-Site to Remote Access) on SRX series Firewalls.
- Extensively used Infoblox for IP address management. Created and added IPv4 Network, Reserved IP addresses for various devices, Defined DHCP Scope as per the requirements.
- Advanced knowledge in TCP/IP suite andIPAM, routing protocols, such as OSPF, EIGRP, and BGP.
- Experience with moving data center from one location to another location, from Cisco 6500 based data center to both Cisco 6500 & Nexus based data center
- Configure all Palo alto Networks Firewall models (PA-2k, PA-3k, PA-5k etc.) as well as a centralized management system (Panorama) to manage large scale firewall deployments.
- Maintained TCP/IP problems troubleshoot connectivity issues in multi-protocol Ethernet environment.
- Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls,
- Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Open Shortest Path First (OSPF).
Confidential, Iselin NJ
Network/Security Engineer
Responsibilities:
- Working with MPLS Designs from the PE to CE.
- Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
- Worked on Extensively on Cisco Firewalls, ASA 5500(5510/5540) Series.
- Conversant in LAN, WAN, Wi-Fi, DNS, DHCP, TCP/IP, virtualization, NFVHardware.
- Experience working Juniper SRX, J-Series Routers.
- Upgrading code on Palo alto firewalls PA5000/3020 to meet company security policy
- Configuring, Administering and troubleshooting the Check Point, Palo alto, and ASA firewall.
- Allocation and designing appropriate virtual IP for F5 ADC through IPAM Infoblox.
- Design and deployment of MPLS QOS, MPLS Multicasting per company standards.
- Supported the LAN/WLAN/WAN for the data center on site and at the disaster recovery location. Including all of the networking,virtualizationand blades center hardware and software.
- Implemented DHCP, DNS,IPAMconfiguration on the servers to allocate, resolute the IP addresses from Subnet.
- Configured ACLs on Cisco 5540 ASA firewall for Internet Access requests for servers, Protocol Handling, Object Grouping and NAT, PAT.
- Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
- Experience with a Solar Winds IPAM and do a “Duel Stack” IPv4 to IPv6 conversion.
- Responsible for day to day management of Cisco Devices, Traffic management and monitoring.
- Monitoring and capturing the traffic with multiple network management tools like Wire shark, Netflow Analyzer, Solar winds, Cisco Works.
- Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing, LAN security.
- Installation, Maintenance, Troubleshooting Local and Wide Areas Network (ISDN, Frame relay, NAT, DHCP, TCP/IP).
- Configuration and implementation of Arista 7504 & 7280 in Spine-leaf architecture.
Confidential, El Segundo, CA
Sr. Network Engineer
Responsibilities:
- Troubleshooting of CISCO routers like ping, trace route and basic issues.
- Experienced in VMWare installation, configuration, and virtualized infrastructure management.
- Ensure connectivity and communication among networks, servers and clients inside and outside department.
- In-depth knowledge in WAN technologies including T1, T3, ISDN, HDLC, Point to Point, ATM
- Handling various trouble tickets, firewall rule changes, assisting other teams to bring the device to production, making DNS changes in INFOBLOX and routing changes.
- Implemented Zone Based Firewalling and security rules on the Palo Alto Firewall.
- Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls for stable VPNs.
- Maintenance and trouble-shooting of LAN, WAN, IP Routing, Multilayers Switching.
- IOS upgrade for Cisco routers & switches.
- Responsible for DNS, and TCP/IP support.
- Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling
- Integrated, Integration and trouble-shooting of routing protocols like static and dynamic.
- Implemented site to site VPN as per customer.
- Tracking and Integrated, Integration of requirements & development by working with client and related teams to implement changes.
- Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, bluecoat Proxy, Inter-Vlan routing, LAN security.
- Worked on Cisco Routers, Switches, Juniper
- Ensure reliability, stability and recoverable of specific server environments.
- Strong understanding of data and voice networks.
- Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing, LAN security.
- Responsible for evaluating impact and performance on the network server
- Managing Layer 2 switches of Cisco, Vlan configuration and assigning ports to specific vlan as per requirement.
- Monitor and tune network to ensure acceptable levels of performance.
- Evaluate applications connectivity requirements
Confidential, Waltham, MA
Network Engineer
Responsibilities:
- Manage and Troubleshoot mission-critical Wide area networks Using VSAT links, Radio links, and Cisco Routers & Switch Issues.
- Good communication skills and team handling
- Configured the Cisco router for NATting.
- Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
- Trunk, Vlan, Ether channel, port security, routing protocols including EIGRP, OSPF & BGP andOther related technologies such as multicasting,IP Telephony& IP Video.
- Switching (Ethernet) related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
- Providing technical support to LAN & WAN systems.
- Monitoring Memory/CPU on various low end routers in a network.
- Monitor performance of network and servers to identify potential problems and bottleneck.
- Performed administrative support for RIP, OSPF routing protocol.
- Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
- Real time monitoring and network management system.
- Provided technical support on hardware and software related issues to remote production sites.
- Configuring routers and send it to Technical Consultants for new site activations and gives online support at the time of activation.
Confidential
Network Engineer
Responsibilities:
- In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
- Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc
- Design and perform integration of CiscoIP Telephonyapplications into campus network infrastructure.
- Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
- Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
- Configured of OSPF, BGP on Juniper Routers and SRX Firewalls.
- Actively participated Implementation and customization of customer network.
- Soft phones, Mobile phones, Intelligent Network Servers, IP PBXs management, Universal Messaging, Systems, Media Gateway Controllers, Instant Message System Functions
- Single point of contact for Client networks. I will be the SPOC for maintaining their uptime from addressing new client installations/Client location moves/day to day issues etc.