Sr. Network Engineer Resume
Lincoln, CA
SUMMARY:
- Certified Network Engineer with over 7+ years of experience with network designing, monitoring, and deployment and troubleshooting of Cisco devices with routing, switching and Firewall.
- Extensive knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP, RIP V1, V2, MP - BGP and IS-IS.
- Ability to interpret and resolve complex route table issues and implemented strategies for the expansion of MPLS VPN network.
- Experienced firewall engineer with advanced knowledge of Cisco ASA 5500 series and Palo Alto PA-200.
- Strong experience in Network security using ASA Firewall, Palo Alto, Cisco IDS/IPS and IPSEC/SSL VPN.
- Expertise in Configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter-VLAN routing and VLAN Trunking using 802.1Q.
- Experience in implementing, testing& debugging of first hop redundancy protocols like GLBP, HSRP, and VRRP to maintain gateway redundancy.
- In-depth knowledge and experience in Tier II ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, DHCP, and DNS.
- Configuring of IP Allocation and sub netting for all applications and servers and other needs throughout company using FLSM, VLSM addressing
- Experience in designing, deploying and troubleshooting LAN, WAN, Frame-Relay and Ether-channel
- Knowledge of aggregating switch links using LACP and PAGP protocols
- Experience in configuring and implementing security with Cisco ASA, Palo Alto and Checkpoint
- Proficiently implemented traffic filters using Standard and Extended access-lists, Distribution Lists, Route Maps and route manipulation using Offset-list
- Experience of IP addressing and IP address scalability by configuring NAT/PAT
- Implemented Port Security and switch link aggregation using Port channel/Ether Channel
- Extensive knowledge of deploying & troubleshooting TCP/IP, Implementing IPv6, Translation from IPv4 to IPv6, Multilayer Switching, UDP and Ethernet
- Knowledge of Intrusion Detection, DMZ, encryption, IPSec, proxy services, Site to Site VPN tunnels
- Maintaining and updating inventory of all network hardware, Management and monitoring by use of SSH, Syslog, SNMP
- Efficient at use of Microsoft VISIO as technical documentation and presentation tools
- Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyses results and delivering solutions as an individual and as part of a team
TECHNICAL SKILLS:
LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, RSTP, PVST, IGMP, 802.1x
WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel & Leased lines, SES
Network Securities: NAT/PAT, VPN, Filtering, Load Balancing, IDS/IPS, IPSec, ACL
Routing Protocols: RIP, EIGRP, OSPF, BGP, HSRP, PIM, IPv6
Routed Protocols: TCP/IP, IPX/SPX
Infrastructure Services: DHCP, DNS, SMTP, POP3, FTP, TFTP
Network Managements: SNMP, SSH, Telnet, ICMP
IP Telephony: VOIP, FXO/FXS/E&M/T1/ISDN/ PRI, Call manager Express.
Operating Systems: Windows 8.1/ 7 /Vista/XP/NT/2003, MS DOS, UNIX, Linux
Languages/ Tools: C, C++, VBScript, Visual Studio 2008, MATLAB, Dream weaver.
PROFESSIONAL EXPERIENCE:
Confidential, Lincoln, CA
Sr. Network Engineer
Responsibilities:
- Providing technical assistance and support to Cisco customers on 2950, 7600, 7200 and GSR routers
- Trouble shooting single and multi - arm topologies, fix routing issues and misconfigurations
- Experience in implementing VLAN's and preventing loops using Spanning tree protocol
- Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches
- In depth knowledge of implementing and configuring static and default routes
- Performed and Technically documented various test results on the lab tests conducted
- Support Network Technicians as they require support for problem resolution including performing diagnostics, & configuring network devices
- Participate in 24 x 7 incident & problem support. On call support for CMS network world wide
- Installed and maintained Router and Switches and replaced faulty network communications equipment from the client networks
- Performing and monitoring network maintenance activities to ensure network availability to all system users.
- Provide recommendations on network infrastructure and reorganization with detailed network analysis using VISIO network drawings
Confidential, Renton, WA
Network Engineer
Responsibilities:
- Network troubleshooting and Monitoring (Solar winds and MRTGs)
- Worked on CLI of Cisco Nexus Switches and Catalyst 6500's
- Maintain the compliance of company's internal network in more than 58 nodes in different cities, load balancing and disaster recovery.
- Implementation of P2P and intranet connectivity for the cities base on distance, possibility and availability.
- Working in the Core - Networking team in resolving the network related tickets raised by the internal employees of the client
- Working in the Data Center by deploying Cisco devices or Network Devices for the client
- Trouble shooting switching issues like spanning tree port flapping.
- Implementing Routing protocols OSPF v2, BGP v4, EIGRP
- Group member of network call center and remote troubleshooting(24/7 network services)
- Providing guide lines and rules for disaster recovery and installation for routers based on all routing protocols.
Confidential, Blue Bell, PA
Network Engineer
Responsibilities:
- Configured IP access filter policies
- Administration of QIP and Infoblox security groups and users (build, create, assign, bind, and delete subnets)
- Configured Riverbed optimization appliance from the scratch for a site which was having bandwidth issues.
- Worked on designing, configuring & troubleshooting of routing protocols: OSPF, BGP on Cisco 1600, 2600, 2800, 3600 series routers.
- Active participation on operational support for routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q
- Troubleshooting traffic passing managed firewalls via logs and packet captures
- Used Python scripts to perform tasks required
- Hands on Experience working with security issues like applying ACL's, configuring NAT and VPN
- Worked with BMC Remedy Service Management suite and HP Open View (HP BTO) software for change controls
- Experience with installing and managing IT services such as Active directory, site replication, DNS, SSH, DHCP, DNS, NAT and Terminal service
- Experience working with Nexus 7010, 7018, 5020, 2148, 2248 devices
- Experience in site to site VPN configurations using Cisco ASA 5500 series firewalls
- Tested Cisco IOS, IOS upgrades, configuration upgrades and implemented VLANs
Confidential, Norristown, PA
Network Engineer
Responsibilities:
- Implementing firewall change requests
- Configuration/change management services
- Administered ASA firewall technology for traffic control
- Configured and implemented Remote Access Solutions
- Performed network configurations and troubleshooting of OSPF, EIGRP, RIP and BGP routing protocols
- Configured layer 2 technologies like VLANs, VTP and Ether channels
- Configured routers and switches for upgrade and replacements
- Implemented network security at layer 2 & 3
- Deployed open source security tools to mitigate cyber attacks
- Network security monitoring using Solar winds Event Manager LEM, Fort iGATE SIEM
- Worked with network protocols such as TCP/IP, EIGRP, OSPF, BGP, SNMP, MPLS and IPSEC
- Performed network monitoring utilizing tools such as Solar Winds Orions, Net flow and Network topology mapper
- Generated weekly solar winds reports on Network health and vital statistics
- Responded to trouble tickets, troubleshooting network connectivity issues
- Internal and external DNS server maintenance