Joseph Oliver Email and Phone Number

Respond and co-own the oversight and management of almost all aspects within network infrastructure.Support in network design, architecture, and the deployment of network and security projects (network segmentation) for Magellan HealthCreate network processes for triage of network related incidents and work flows for network infrastructure team.Responsible for the oversight and management of all elements of network infrastructure. Research and provide network security artifacts to respond to audits and contractual requirements.Implemented and designed out-of-band solution for Magellan branch locations.Collaborated with Service Now Team in development of service catalogue for network infrastructure related requests.Monitor network devices for vulnerability based security violations and coordinate the remediations.Developed and updated network policies, procedures and standards.Develop technical solutions for network infrastructure and collaborate with network security on the respective security policies.Lead and evaluate network and security standards.Lead in the remediation and/or mitigation efforts for all vulnerabilities within network infrastructure, ensuring appropriate change controls and response to critical/high risk discoveries are in place. Lead various network team meetings on a weekly basis for overall health checks and obtaining updates on projects and operations.

• Lead and mentored engineers in an implementation and operational environment.• Lead weekly engineering/operations call discussing plan for the week on addressing network incidents/issuesin environment/on-call hand off.• Maintained on-call schedule for engineering team (team of 4).• Collaborated with managers and teams in developing processes and standard operating procedures foroperational issues.• Worked with external vendors on a weekly basis for support issues and implementations.• Implemented documentation and playbooks in assisting tiered support for problem resolution.• Managed several key initiative projects within network infrastructure (LAN refresh, and Carrier BW upgrades,VPN Migration).• Developed network infrastructure service offerings within Service-Now application.• Participated in bi-weekly change management calls, providing technical review and guidance • Provided input in the process of hiring new employees• Formulated workflows/SOPs for the triaging of network events for Network Operations Center and providefeedback and process improvement for network monitoring and alerting.• Provided technical leadership to data center personal and developed processes to provide technical handsand feet for datacenter support.• Executed hundreds of network changes during approved change windows appropriate for business withextremely high percentage success rate, changes not limited to but include the following: Circuit install, DNSchanges, route changes, hardware installation/removal, upgrades, etc.• Provided technical leadership for escalations and on priority 1 outages in a 24/7 environment.• Collaborated with info-security team in addressing network security vulnerabilities on a weekly basis andresponsible for the mitigation of vulnerabilities within corporate security policies. Vulnerabilities were addressed via code upgrades, firewall changes, or configuration modifications.

Drafted and implemented the conversion of firewall policy from Cisco ASA to Checkpoint Firewall (13800) for disaster recovery site data center.•Implemented Cisco 5508 Wireless Controllers at the following locations as part of WLC upgrade project: St. Louis Plant, Raleigh NC, Greenville, Hampton, •Configured and assisted in implementation of network switches at Greenville and Maryland Heights. (Cisco 2960)•Upgraded network management system “Prime Infrastructure” from 2.0 to 3.1.•Upgraded entire wireless infrastructure (WLC and access Points) as part of security vulnerability project.•Responsible for day to day support of corporate network connectivity which consists of working trouble tickets, answering network team support line and monitoring and investigating network traps by utilizing HP Network Node Manager. •Utilizing network tool “Sevone” for the purpose of network analysis specifically the analysis of netflow data.•Working on ongoing network inventory project where as network utilization, wan optimization, failover testing and site documentation are tracked and documented.

Engineer solutions for highly available and highly redundant Cisco environment. •Provide technical support and troubleshooting for the entire technical infrastructure. •Maintain Cisco Core network at primary and disaster recovery sites.•Engineer solutions for Cisco networking in a SaaS architecture.•Maintain interconnections between data centers and various geographical offices.•Implemented site to site VPN tunnels between Lumeris and partners/customers on Checkpoint and Cisco devices.•Responsible for maintaining all corporate and guest wireless connectivity.•Responsible for maintaining and administering Checkpoint and F5 network systems in an application service provider environment.•Remediation of traffic irregularities according to documented incident response procedures.•Prepare metrics, reports, and capacity planning for Network Solutions.•Provide upkeep of IOS and Firmware for network equipment.•Participate in Change Management and prepare professional Change Management documents.•Performed network and host troubleshooting activities utilizing TCP dump, network debug tools, packet captures and log analysis.•Aid in planning, implementing, and deploying the company’s technology Software as a Service (SaaS) within corporate network infrastructure.•Responsible for implementation of new SaaS environments per requirements from Devops which would include firewall policy (rule set), DNS entries, and load balancer configuration of virtual servers, i-rules, and profiles in Production/Dev/and QA environments.

Day to day working with routing, switching, and wireless technologies. •Analyzed network(s) using sniffers, netflow analyzers.•Extensive experience with Cisco/HP hardware. •Worked with server/security teams on switch port & VLAN configurations.•Responsible for the implementation, configuration and maintenance of routers and switches (Cisco) in a corporate LAN /WAN environment.•Collaborated with carrier MPLS networks in the provisioning and maintenance of T1, DS3, and OC circuitry. •Implemented Cisco Prime Infrastructure.•Lead remote site core switch replacement project.•Administrate the management of networking devices within network performance monitoring system (Traverse).•Configured replacement and expansion routers and switches; meeting design needs of company.•Documented process(s) for network implementations.•Developed playbooks for pro-active monitoring of WAN and LAN technologies.•Documented the company’s existing network architecture and technology portfolio.•Participated in team review of network design projects and the procurement of standards.•Conferred with end-users, clients and senior management in the definition of business requirements for network systems and infrastructure development.•Developed, documented, and communicated the enforced policy for standardizing networks.•Responsible for the testing and documentation of business continuity and disaster recovery plans for Arch Coal network infrastructure.

Ensured change management procedures were followed and network service documentation was accurate as changes were made to the environment•Utilized test tools to capture a snapshot of baseline data prior to and post conversion and performed fault/problem management activities related to network availability and performance on a daily basis•Verified that all devices and equipment are manageable and reachable with proper settings according to A-B policy and procedures for the NCC•Co-functioned with Technical Resources over operations for troubleshooting purposes and collaborated on conference bridges and team meetings associated with WAN conversion as a lead for front-line support•Developed implementation plans and implemented various technologies, upgrades, and changes that included hardware and firmware on the corporate backbone and deployed VPN technologies (IPSEC & GRE) to all A-B remote customer locations in a production environment•Designed and constructed hot-sparing cabinet for all Cisco Series devices associated with the WAN conversion and implemented the installation and configuration of the following Cisco series routers: catalyst 2811, 2851, 3845 and VPN Concentrators: 3002, 3030•Collected metrics from network tools that demonstrated to customers the service level that they were receiving from their telecommunications service – this included statistics on performance, capacity, latency, top-talkers, and applications usage

Participated in the turn up of expansion backbone (WAN) networks, which lead to a successful migration of Internet cable customers that included @home network, Insight, and Mediacom and implemented the installation and configuration of the following Cisco series switches: catalyst 2900, 6500; routers: CMTS 7200, 7500, 7600 & 12000 •Implemented the installation and configuration of data communication circuits including long haul & customer access circuits (OC &DS0 technology)•Monitored & maintained OC-192 (TCP/IP) network that included eleven OC48 regional networks using fast Ethernet, Gig Ethernet, and Packet over Sonet technologies•Performed as Level 3 escalation point for various network related issues which included troubleshooting long haul & access circuits (OC &DS0 technology), layer 2, layer 3 routing issues, and denial of service attacks•Troubleshot various hardware and IOS related issues, and involved in upgrades to existing global backbone network equipment, including Cisco & AVICI TSR•Utilized network management and analysis tools to identify network capacity issues and was responsible for updating various ticketing systems with accurate information on actions taken or actions needing to be taken to correct network issues•Interfaced on a daily basis directly with vendors, customer facing organizations and multiple subscriber organizations in resolving network related issues

Recorded number of daily data feed problems and actions taken•Read technical reference manuals for software and hardware to determine cause of problem and assisted users in solving a wide range of data feed problems•Trained new associates in policy and products and troubleshot front-end application problems associated with Bridge Info software•Monitored & maintained one of the largest financial data communications networks (TCP/IP) in the world and coordinated with telephone carriers for testing and troubleshooting of up to three hundred separate ATM and Frame Relay circuit issues a month•Supervised the installation and configuration of network components (Bay Networks, Lucent & Cisco routers, NT servers, and workstations)•Completed up to sixty vital network maintenance activities weekly and distributed multiple versions of data feed software to servers on network and verified its functionality daily•Performed as Level 2 escalation point – assisting technical support representatives in identifying and solving network connectivity and data feed related issues and updated database to record new equipment installed, new sites, and changes to computer configurations