Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Additional Information
Timeline
Generic

Daryl Chambers

Acworth,GA

Summary

  • Over 20 years of hands-on experience in the network engineering field. CCNA certified engineer with experience in routing and switching technologies, system design, implementation, and troubleshooting of complex network systems including high-end routers: Cisco ASR series; 2900, 4000, 8000, and 4500, 6500, and 7600 switches.
  • Extensive experience in design, deployment, implementation, and troubleshooting LAN/WAN, MPLS, VLAN, ENS Cisco Routing and Switching, Cisco Voip, Cisco ASA, and Cisco Fire Power.
  • Experience with escalation problems & point-of-contact for Routing, Switching, and WAN connectivity issues using a ticketing system.
  • Hands-on experience in SDN/ACI virtualization, VXLAN.
  • Hands-on experience in data center environment and implementation of VPC, VDC, and Fabric path on Nexus 9k Switches.

Talented Network Engineer possessing considerable experience with wireless networking and cloud storage. Tech-savvy and hardworking professional with expertise in [Area of expertise]. Expert at developing technical documents and manuals for upgrades as well as performing regular troubleshooting. Analytical Network Engineer offering 20+ years of administering and troubleshooting infrastructure devices. Demonstrated success advising clients in hardware and software selection. Deep knowledge and experience with [Software] and [Software]. Senior-level expert with [Number] years of experience delivering on-site network management and support services across diverse industries. Presents programs and solutions to drive growth. Provides supplemental and total management support for IT systems, including establishing and maintaining networks and servers. Strong aptitude for identifying new technologies and solutions to support client needs. [Job Title] with over [Number] years of successful experience in [Skill] and [Skill]. Recognized consistently for performance excellence and contributions to success in [Industry] industry. Strengths in [Skill] and [Skill] backed by training in [Area of study]. Enthusiastic [Job Title] eager to contribute to team success through hard work, attention to detail and excellent organizational skills. Clear understanding of [Task] and [Task] and training in [Skill]. Motivated to learn, grow and excel in [Industry]. Experienced [Job Title] with over [Number] years of experience in [Industry]. Excellent reputation for resolving problems and improving customer satisfaction.

Overview

8
8
years of professional experience
1
1
Certification

Work History

Network Engineer

Ciena Corp.
09.2019 - 06.2020
  • MEDICARE MEDICADE CMS:.
  • Assist in Configuration and troubleshooting:.
  • Assist in configuration and troubleshooting of Cisco Routers/Switches, Cisco ASA, Juniper Router/Switches, Juniper SRX Firewall, ISE2.0, and network.
  • Lead network capacity planning, monitoring, reconfiguring and tuning of network hardware.
  • Data Center install/Configure on Cisco Nexus 7K, 5K & 2K Switches for Implemented feature like VDC, VPC, fabric path and OTV,Worked on configuring Nexus 2K Fabric Extenders.
  • Daily basis tasks ticket such as LAN,WAN VPN ,Cisco any connect, Block IP’s through the ASDM and upgrade the IOS version Cisco devices,.
  • Having good hands on experience in working with monitoring and managing the nodes within the network using Network monitoring tools like Solarwinds Orion NPM.
  • TAC support of any vendors communicate and fix the issue through the TAC supports.
  • SECURITY VULNERABILITY ASSESSMENT AND MITIGATE:.
  • Scan the devices through the tenable scanner and fix the vulnerabilities Cisco devices, models such as nexus 7K 7710,5K 5548,Catalyst switch 6500 ,3750, 3650 ,ASA firewalls,5545 ,5555 Cisco Router ASR 1001,.
  • Scan the devices through the Nessus scanner and check the report and verified report and recommendations and fix the baseline steps.
  • Devices, nexus 7K,5K, and catalyst switch 3750,3650, ASA Firewall.

Network Engineer

Ciena Corp.
05.2017 - 08.2019
  • Cisco Application Centric Infrastructure (ACI), SD-WAN (Viptela), VXLAN using BGP EVPN,.
  • Assist in configuration and troubleshooting of Cisco Routers/Switches, Cisco ASA, Juniper Router/Switches, Juniper SRX Firewall, Riverbed, Checkpoint, Aruba Controllers, Aruba Access Points, Aruba ClearPass, ISE2.0, ACS and MPLS network.
  • Lead network capacity planning, monitoring, reconfiguring and tuning of network hardware.
  • Data Center Design/install/Configure on Cisco Nexus 9k, 7K, 5K & 2K Switches (Nexus Switches Nexus5548, 5596, 7009) for Implemented feature like ACI, VDC, VPC, fabric path and OTV.
  • Worked on configuring Nexus 2K Fabric Extenders.
  • ISSU software upgrade in Nexus switches.
  • Implement code upgrades on the DDoS environment using A10 and Radware.
  • Detect and take appropriate action to mitigate DDoS attacks with a wide level of independence.
  • Successfully implemented iWAN technology more then 1000+ site.
  • Played a key role in Implementing QoS in Cisco and Juniper hardware based on user traffic.
  • Working closely with Support teams/Clients and offshore development teams to understand capture and implement new business tactics.
  • Configured and deployed various Palo Alto PA-200.
  • PA-500.
  • PA 3060, PA-5060 series.
  • Tufin Secure Track for Firewall Rule, protocol, ports Analysis.
  • Rule usage, network objects monitoring.
  • Managed firewall/IDS provider to ensure network security and upgrade project works for network.
  • Configured Cisco ASA/ Juniper SRX firewall in HA Pair, migrated all the site to site VPN’s from cisco routers, Palo Alto firewalls and netscreen firewalls to Cisco ASA and Juniper SRX.
  • Installation and troubleshooting of firewalls like Cisco ASA and Juniper SSG/SRX firewalls.
  • Knowledge and experience with Cisco Firepower 9300 and XXX0 Fire Sight.
  • Configuring and troubleshooting F5 LTM/GTM, F5 BIG IP, F5 BIG-IP LTM, F5 BIG-IP GTM,.
  • F5-ASM, APM , Creating irules, Virtual servers, Pools, Nodes with health, Profiles, SNAT, SSL and Iapps.
  • Cleanup work for F5 Load Balancer like unused pool, unbound VIP and Unused Real Server.
  • Leads the team to consistently accomplish organizational and corporate goals, as measured by consistent adherence Service Level Agreement.
  • Implementation of several key projects & complex projects.
  • Preparing High Level Design (HLD), Low Level Design (LLD).
  • Involved in redesign of Network due to EOL devices include responsibilities to redesign Network for a new connectivity on various sites LAN & WAN and configuring those including creating Visio diagrams.
  • Proficient in Cisco IOS for configuration & troubleshooting of routing protocols (RIP, OSPF, BGP, IGRP and EIGRP), Implementation of gateway redundancy by configuring HSRP, VRRP, GLBP.
  • Worked on cross-platform Firewall migration: Juniper SSG to Palo Alto and Juniper SSG to Cisco ASA.
  • Replaced core 6500 switches with Nexus 7K with no single point for failure at 2 Data centers.
  • To increase port density associates several Nexus 2K FEX’es for 1G access layer connectivity.
  • Was assigned 11 domestic Alabama Clinics, responsibilities were to identify right hardware and configuring them as per standard of infrastructure.
  • Configured and set up of Juniper SRX firewalls for policy mgmt.
  • And Juniper SSL VPN's.
  • Configured IPv4 & IPv6 addressing and Subnetting and Strong experience in configuring and troubleshooting the protocols like TCP/IP, Routing Protocols (RIP, OSPF, BGP, IGRP, EIGRP, MPLS), PPP, PPTP, L2TP, NAT, IPsec in production Environment.
  • Implemented ACLs and authenticated (EIGRP, BGP) to ensure high security on the network.
  • Worked with service provider for Circuit installation with AT&T and Sprint for Ethernet hand off circuits.
  • Technology used during this transition is, BGP, OSPF, Eigrp and with various design best practices as sites are all redundant connected by internet and MPLS circuit of AT&T, SPRINT and Public Internet.
  • Also, used DMVPN to encrypt the traffic based on available bandwidth and circuit type for encrypted redundant connectivity over the internet.
  • Hardware used during this transition so far was ASR’s, XR's and 7K, 5K 6800 and 4500X switches.
  • Riverbeds (steel head) are used for load balancing at various sites.
  • Developed / fixed route redistribution mechanism between BGP and OSPF for large scale international networks.
  • Monitored and troubleshoot EIGRP, MPLS, multi area OSPF and OSPF scale issues.
  • Migrated from DMVPN Phase 2 to Phase 3, since Phase 2 is not an optimal solution.
  • Ensuring successful implementation utilizing quality methodologies (ITIL).
  • Implementing Internet and Branch Office Connectivity, Load Balancing, High Availability and Fault Tolerance for critical business entities.
  • Validating peer reviews to outline client’s requirement and fulfillments.
  • Overseeing other project requirements includes writing staged documents and procedure for supporting engineers.
  • Writing Procedural document including Operational Guide lines, Turn over to Production, emergency shutdown, WAN disconnections, Health checks etc.
  • Document owner ship and availability to customer on request.
  • Designing logical and Fiber layouts of entire campus for customer presentations.
  • Configuring Juniper SRX 1400 Firewall Policies and NAT policies between secure zones using Juno Space and CLI.
  • Worked on Juniper EX series routers and switches and upgrading software version code for all the Palo Alto devices as well as juniper firewalls.
  • HSRP /VRRP and BGP for inbound and outbound load balancing and fault-tolerance, with respect to the client’s requirements.
  • Working with Capacity management on network bandwidth utilization reporting of the sites WAN link and vendor co-ordination for new site turnovers / WAN links.

Network Engineer

Ciena Corp.
08.2015 - 04.2017
  • Responsible for Date Centre migration and its operation including the change from 6500 switches to nexus series switches, configured VPC/VDC on nexus 2k, 5k, and 7k.
  • Implemented and Managed Cisco Nexus 7018, 7700 and Nexus 5596UP Switches configured with FEX 2248 extenders.
  • Involved in switching Technology Administration including creating and managing VLAN’S, port security, Trucking, STP, Inter VLAN routing, LAN security etc.
  • Installation and troubleshooting of firewalls Cisco ASA, and juniper firewalls.
  • Experience with Cisco Firepower 9300 and XXX0 Fire Sight.
  • Supported the technologies like IWAN solutions, APIC-EM, prime Infrastructure.
  • Deals with creating VIP pools, nodes and created custom iRules for the virtual server and redirection of URL on F5 ASM cookies issues and configures ASM polices.
  • Complete implementation of Firepower Firewall protect threat from External attack.
  • Unified Threat Management, Configuration of Remote VPN connectivity to remote location.
  • Implemented various routing protocols such as BGP, EIGRP and OSPF on Cisco Router & Juniper MX routers also taking care of issues such as discontinues networks.
  • Successfully implemented iWAN technology more than 1000+ site.
  • Providing escalated Tier-2 and Tire-3 technical support on data, video network.
  • Setup and create user accounts in Active Directory.
  • Installed and configured VMWARE Vcenter 6.1.
  • Experience with Juniper switching/routing architecture with Aruba HPE wireless segmentation.
  • Customer Advocate in an operation centre, supporting SD-WAN and all related service.
  • Experience in configuring Virtual Local Area Network (VLAN), spanning tree protocol (STP), VLAN Trunking Protocol (VTP), Dynamic Trunking Protocol (DTP), Per VLAN spanning Tree (PVST) and 802.1x authentication in access layer switches.
  • Installing network application on server, maintaining, tests, researches and resolving the problem.
  • Work in the incident team to solve emergency and high priority Network issues.
  • Understanding customer network configuration and problems that they may be facing or answering technical inquiries about NSX SD WAN products.
  • Preparing network diagrams and drawing to document and assist in communicating current operational status of networks.
  • Configured various BGP attributes such as Local Preference, MED, Extended communities, Route-Reflector clusters, Route-maps and route policy implementation.
  • Configured Cisco ASA 5555-X in HP Pair, migrated all the sites to sites VPN’S from Cisco routers, Palo Alto firewalls and Net Screen firewalls to Cisco ASA.
  • Responsible for configuring site to site VPN’s and Remote access ANYCONNECT services.
  • Key responsibility of LAN and WAN maintenance and troubleshooting any network related problems.
  • Managed successful delivery of massive security response portfolio including Splunk and Cisco ISE.
  • Used Python scripting for network sniffing and managed parameters for pool of servers and updated, automated and migrated different services and software by means of Ansible.
  • Worked on Riverbed devices for WAN bandwidth Optimization in the data centres for the sensitive.
  • Coordinate with multiple vendors (Cisco, Juniper, etc.) to troubleshoot network outages and issues.
  • Successfully Design and installed Palo Alto PA-3060 firewalls to protect Data Center and provided L3 support for routers/ switches/ firewalls.
  • Installing and Configuring Palo Alto Pa-500 series and Pa-2000 series firewalls using Panorama.
  • Working withF5 BIG-IP LTM 3900, configured profiles and ensured high availability.
  • AAA implementation for network device management with TACACS+ and Radius server.
  • Preparing engineering documents and network diagrams in Microsoft Visio.
  • Experience with LAN protocols like VSS, STP, RSTP, MST, VTP, VLAN.
  • Administrated LAN and WAN with of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.

Network Engineer

Ciena Corp.
02.2012 - 07.2015
  • Creating cisco stacks, troubleshooting them, adding or removing stack members.
  • Implementing GRE over IPSEC, IPSEC Tunnel between Cisco, Palo Alto, Cradle point devices and troubleshooting them for issues tunnels.
  • Adding, removing and updating DNS record, DHCP Reservation and Managing IP Address management (IPAM) in Infoblox.
  • Implementing Static routes, Limiting EIGRP advertised routes by prefix list, moving gateways of Vlan from core switches to.
  • Configured QoS policy on ASR 1002, Nexus 7k and 5k Switches to maintain connectivity between Monitoring tool Zenoss and network devices.
  • Migrated all network gear for SNMP V2c to SNMP V3.
  • Experience working with Netbrain, discovering new devices using seed discovery or IP range, adding new devices to site, creating Qmaps and Qapps to implement network/site wide change, Creating L2 and L3 maps to troubleshoot every day problem keeping workspace updated.
  • Creating Physical and logical Network documentation, comparing configs of devices, backing configs of devices, managing IP address subnets, monitoring health of devices using Netbrain.
  • Worked on ACL Cleanup project and Route Cleanup project to optimize core and edge network devices performance.
  • Decommissioning network device configuration and updating documentation.
  • Performed Route Filtering and Route Manipulation by applying distribute-lists, route-maps, administrative distance and offset-lists.
  • Troubleshooting and solving networking issues - TCP/IP, Layer 2/3 network devices.

Education

Bachelor’s - Computer Science

University of Sindh

Skills

  • Juniper Routers (J, M and MX-series)
  • In-depth knowledge and hands-on experience in ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS, Firewalls
  • Highly valuable Project Management and Operations Planning skills
  • Router: Cisco Routers (800, 1800, 1900, 2900, 3900, 7200, ASR1000, 3K, 4K) Juniper Router MX40, MX80 and MX240
  • Python (Cisco Devices)
  • Routing: Static Route, RIP, RIPnG, EIGRP, OSPF & BGP, MPLS, DMVPN, Traffic Engineering, Policy Based Routing, Route Filtering, Redistribution, Summarization, Tunnel Technique: 6t04, ISATAP, MPLS- L3 VPN, L2 VPN, MP-BGP & LDP,
  • WAN Technologies: FRAME RELAY, PPP, MPLS & Leased lines
  • CEF, Multi-Layer Switching, Ether Channel VTP, STP, RSTP, MSTP, VLANs,PAgP, and LACP Trunking (ISL & 8021Q), Inter-Vlan Routing, 8021Q tunneling, Storm Control, SPAN/RSPAN, Private VLAN, Flex links, HSRP, VRRP and GLBP vPC, VDC and OTV Ethernet, Fast Ethernet, GigabitEthernet, NAT/PAT, FDDI Cisco Secure Access Control Server (ACS) for TACACS/Radius Virtual Chasis
  • Network management: Solar winds and Naigos
  • Security: ACS, ISE20, AAA, Multiple Context Mode, NAT, IP Routing, Higher Availability,Cisco ASA with FirePower Services, ISE, 8021x authentication, ISE for NAC provisioning, VPNs (Site-to- Site, IPSec, SSL WebVPN, DMVPN), Cisco Any-Connect Client, Radius, TACACS, Cisco Authentication Proxy, Access-Lists, Prefix-list, IOS Security, Cisco IPS
  • IP Services: DHCP, NAT, DNS, SNMP, FTP, TFTP, NTP, QOS and IP SLA
  • Information Security: Risk Assessment (Tufin Secure App), Risk Management, Penetration Testing (Kali)
  • WLAN (Wireless LAN): Aruba LACP, Captive Portal Authentication, 8021X Authentication, Virtual AP, Wireless Intrusion Prevention, LLDP, RSTP, Routing Protocol RF site surveys
  • APM, DNS, Managing, Prime, TCP/IP
  • Active Directory, Documentation, Mgmt, Programming, Technical support
  • Administrative, Downstream, Access, Project Management, Troubleshoot
  • AP, DTP, Office, Protocols, Troubleshooting
  • Architect, Edge, Microsoft Visio, Proxy, Type
  • ASM, EIGRP, 2K, Python, Upgrades
  • BGP, Engineer, 2000, Quality, Upgrade
  • C, Ethernet, Works, Reporting, Upgrading
  • Cabling, Fast Ethernet, Migration, Requirement, Video
  • Capacity planning, FDDI, Enterprise, RIP, Visio
  • CCNA, Firewall, Network Management, Risk Assessment, VPN
  • CCNP, Firewalls, Network Architecture, Risk Management, WAN
  • CLI, FRAME RELAY, Network hardware, Router, WAP
  • Cisco, FTP, Network security, Routers, Wireless LAN
  • Cisco Certified, Gateway, Networks, ROUTING
  • Cisco IOS, Gateways, Networking, SD
  • Cisco Routers, Drawing, Network, Scanner
  • Cisco Router, GUI, OS, Server configuration
  • CMS, HP, Operating system, Servers
  • Hardware, IDS, Optimization, Scripting
  • Controller, Information Security, Organizational, SLA
  • Clients, IP, OSI, Service Level Agreement
  • Client, ISDN, OSPF, SNMP
  • Delivery, ISP, Policies, SSL
  • Dell, ITIL, PPP, Switches
  • Designing, Local Area Network, PPTP, Cisco Switches
  • DHCP, LAN, Presentations, Switch

Accomplishments

  • CERTIFICATIONS :.

Certification

  • Cisco Certified Network Professional CCNP (Switching) (certified 300-115)
  • Cisco Certified Network Professional CCNP (Routing) (certified 300-101)
  • Cisco certified network professional CCNP (Troubleshooting) (certified 300-135)
  • CCNA (ROUTING AND SWITCHING) (certified 200-120)
  • Aws Certified Solution Architect (Associate)
  • Aws Certified Solution Ops (Associate)

Additional Information

  • Experience deploying, configuring, and troubleshooting of wide array of Juniper devices which include Routers(M,MX series) , Switches(EX series) and Firewalls(SRX series) Configuring and implementing F5 BIG-IP LTM/GTM/ASM load balancers to maintain local traffic Working experience on various firewalls of different vendors which include Palo Alto PA-5220, PA-3020 &Panorama, Juniper SRX 240,650 and Checkpoint NGX series. Having good hands on experience in working with monitoring and managing the nodes within the network using Network monitoring tools like Solarwinds Orion NPM. Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration. Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, Virtual Port Channel (VPC), HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, EIGRP, OSPF, BGP, NAT, PAT, Inspections, VPN’s, DHCP, Wireshark etc. Experience in set up, configuration and management of Cisco ASA Firewall on 5505, 5510, 5512-X, 5515-X, 5520, 5525-X, 5540, 5545-X, 5550, 5555-X & 5585 on various domain such as Internet, DMZ, Business-Partner and Remote-Access VPN etc. Familiar with implementing, deploying and monitoring Cisco ASA and Palo Alto firewalls. Implemented multiple Cisco Nexus based Data-Center environments, as well as 6500/4500/3750 series switches, 7200/3900/2900/1900 series router. Multiple data center migrations and transformation projects, with great expertise on Wireshark. Experience in configuring and troubleshooting vPC on Cisco Nexus-5k for downstream FEX and Servers. Worked on migration of Cisco 6500/4500 distribution layer switch to Juniper EX4200 (Virtual-Chassis) & QFX 5100/5200 for different client. Expert in dealing with Networking Protocols and Standards such as TCP/IP, OSI, UDP, Layer 2 (VLANs, STP, VTP), Routing Protocols (RIP, EIGRP, OSPF, BGP). Experience in troubleshooting NAT configurations, Access-Lists (ACL), and DNS/DHCP related issues within the LAN network. Proficient in using SolarWinds Network Management tools like Network Performance Monitor (NPM), Netflow Traffic Analyzer, Putty, Network Configuration Manager (NCM), Cisco Prime and IP Address Manager. Experience in configuring VLANs, STP, VTP, PVST and 802.x authentication in access layer switches. Implemented MPLS/VPN services for various customers Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches. Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module. Experience in Configuring, upgrading and verifying the NX-OS operating system. Strong knowledge of HSRP, VRRP Redundancy Protocols in high availability environment. Good knowledge of TCP/IP and OSI model. Well experienced in configuring vPC, VDC, VRF, HSRP, GLBP, ICMP, PPP, PAP, OSPF, CHAP and SNMP. Experience in Physical cabling, IP addressing & subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies. Hands on knowledge in AAA protocols such as RADIUS, TACACS+ and Cisco ACS. Access Control Server configuration & implementation for RADIUS & TACACS+. Assisted lead engineer in implementation of the IWAN (Intelligent WAN - Cisco SD-WAN) and VPN (Secure Transport) for enterprise networks. Manages and configures VPN’s, NATing and Object group-based ACL’s on Cisco ASA Firewalls. Performed IOS Software upgrades on switches Cisco 6509, 4510, 3750 and Cisco ASR for compatibility with Cisco ISE Use and maintain routing protocols EIGRP, OSPF and BGP on the ISR Router models like 2951, 3845, 3945,7206 in the network & also worked on BGP Route Reflectors, Confederations Established VPN tunnels between Cisco routers and Cisco Firewalls and Palo Alto Firewalls Knowledge of JUNOS platform and worked with JUNOS upgrade of Juniper devices.
  • Cisco Switches (2960, 3560, 3750, 4500, 4900 & 6500), Nexus (2224, 2248,3016, 3048, 5548, 5596, 7009 &7010). Juniper Switches EX2200/EX4200/EX4300, QFX 5100 & 5200 Firewall: Cisco ASA 5505, 5510, 5512-X, 5515-X, 5520, 5525-X, 5540, 5545-X, 5550,5555-X & 5585. Juniper SRX 110/220/300/550/1500 Series. Dell Sonicwall NSA 6600/5600/4600/3600/2600, TZ300/400/500. Fortigate 1000/600/300/200/100 Series. Checkpoint R65/R70/R75/R77 Firewall PaloAlto – Panorama GUI, PA3060, PA220, PA5020, PA7050, PA850 Cisco Firepower Management Center 1500, 2000, 3500 and 4000. Cisco Firepower Model 2110, 41100, XXX0 and 9300 series. Load balancers: F5 BIG-IP LTM 2000/4000/5000 series. Wireless Controller: Aruba Controller (7010, 7030 & 7025) WAP-220, 105 series.

Timeline

Network Engineer

Ciena Corp.
09.2019 - 06.2020

Network Engineer

Ciena Corp.
05.2017 - 08.2019

Network Engineer

Ciena Corp.
08.2015 - 04.2017

Network Engineer

Ciena Corp.
02.2012 - 07.2015

Bachelor’s - Computer Science

University of Sindh

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Daryl Chambers