Steve Nlang Email & Phone Number

Dallas, Texas, United States

• Provides telephone, electronic or in person Level 1-3 technical support for the determination and resolution or escalation of basic, advanced, and expert technical problems related to network infrastructure and communications. • Installing and configuring various networking equipment.• Maintaining computer networks including various appliances, firewalls, switches, wireless access points, VPNs, routers, and other physical hardware. • Creating firewalls and updating rules and data security systems to keep data and communications protected.• Troubleshooting, resolving, and communicating networking issues to other employees and management.• Maintaining current knowledge and understanding of security and networking best practices to offer the best solutions and protection to company systems.• Work closely with the manager to determine future network needs and plan for network changes.• Develop methods and tools to be used to test and implement new LAN/WAN equipment.• Troubleshoots problems using desktop remote control products where possible and documents all services provided.• Document solutions to tasks to create and maintain knowledgebase.• Uses effective verbal and written communications when dealing with customers.• Invokes proper escalation procedures when required to coordinate resolution of issues.• Learns and thoroughly understands the client’s technical environment while maintaining competency and enhancing professional growth and development through continuing education and conferences.• Works closely and effectively with other IT technical staff and management.• Performs other duties as required.• Has experience with Fortinet products and solutions.• Has experience using Nozomi, FortiEDR, OPmanager or other network monitoring systems.• Work closely with our Operation Control Center, and OT department, supporting energy collectors, SCADA engineers and Ignition access control to various plants and sites across the nation.10% travel.

Houston, Texas, United States

• Set up and maintain network operations and/or other site management.• Assemble and custom configure network components (e.g., routers, switches, etc.) and maintain network services (i.e., connectivity and access).• Perform custom configuration for complex network devices such as firewalls and VPN concentrators. Reconfigure network equipment as necessary to handle environmental changes.• Backup configuration files of all network hardware and store copies off-site as required.• Perform network troubleshooting to isolate and diagnose complex network problems. With minor supervision, implement solutions that have limited system-wide impact. Escalate issues with broader implications for entire network to higher level network personnel or network manager.• Utilize monitoring tools to capture and analyze network traffic, maintain uptime, generate usage reports, spot trends, and report any anomalies to supervisor.• Upgrade network hardware and software components as directed with limited assistance.• Create and maintain network documentation and diagrams as needed when assets are added or removed.• Configure network functions in support of complex user/application needs (e.g., video conferencing, voice over IP, etc.).• Provide users with network technical support. Establish network users, user environments, and directories for networks being installed.

United States

Responsible for creating a new Network design as well as re-subnetting the infrastructure using SolarWinds IPAM.Responsible for migrating over 80 ASA and firepower NGFW to FortiGate 100E for sites and 600E for Datacenter and have them in High Availability cluster.Responsible for implementing, managing, and supporting Fortinet SDWAN.Configured AAA on all network appliances using CISCO ISE as Radius and TACACS server.Provided knowledge transfer to new hired and insured there are fully onboarded.Responsible for onboarding network appliances for new sites.Responsible for Administration, configuration, implementation, operation and maintenance of Cisco/Avaya VoIP and Messaging platforms.Responsible for resolving standard and complex incidents, service requests, and problems.Working with Telecom providers and 3rd party hardware/software maintenance vendors.Designed, implemented, and managed secure networks for clients using Cisco Firepower Threat Defense and Azure networking and security technologies.Configured network security group in azure to filter an inbound and outbound traffic to azure resources. Implemented network connectivity between data center in sites to azure using express route and site to site VPN.Designed, implemented, and managed secure network for clients using Cisco Firepower Threat Defense and Azure networking and security technologies.Implemented network monitoring tools to detect and respond to security threats in real-time.

United States

Worked with other engineer to deployed Zero Trust and Network segmentation companywide using ISE.Responsible for onboarding acquisition and migrating firewall from multiples vendors (ASA and Checkpoint) to FortiGate.Responsible for upgrading WAN circuit and configuring site to site IPsec VPN tunnels with high redundancy to connect spokes to hubs.Responsible for Administration and firewall changes management.Responsible for Designing, deploying, supporting and Implementing Fortinet SD-WAN solution companywide using FortiManager and Fortianalyser.Responsible for supporting day to day basis incident tickets related to Network and system infrastructure using Service Now.Configured “traffic shaper” (Fortinet QoS) Providing Tier-2/3 support for firewall issues, network related issues and automation application support.Responsible for Installs/upgrades OS to CISCO switches as per CISCO recommendation to keep them up to date.Daily implementing rules on FortiGate firewall as well as Azure NSG as per business user requests.Responsible for configuring FortiGate’s devices with High Availability for new sites.Joining troubleshooting calls with vendors to resolve issues and document them for future references.

United States

• Monitoring all active network equipment, ensuring seamless operations, system availability, and reliability.• Troubleshooting and resolving network issues, implementing security measures, and proactively optimizing network performance.• Performing network maintenance and system upgrades including service packs, patches hot fixes, and security configurations• Configure and Install various network devices and services ( Routers, Switches, IP addresses, VLANs, routing protocols, MPLS, VPN, QOS)• Monitor system resource utilization, trending, and capacity planning• Level 2 support and troubleshooting to resolve issues.( This includes diagnosing network problems, analyzing network logs, and implementing solutions to resolve network issues)• Work within established configuration and change Management policies.• Assist in network design and implementation.• Troubleshoot issues with Network Deployment.• Identify potential failures and recommend solutions.• Liaise with Vendors and other IT personnel for Problem resolution.• Update knowledge base with known errors.• Responsible for configuring, maintaining, and supporting site-2-site VPN tunnels to 3rd party clients and remote sites on Cisco ASA and FortiGate Firewalls.• Responsible for configuring and managing Cisco WAPs at corporate office and sites.• Responsible for configuring network equipment for remote sites, working with AT&T and remote hands to turn-up MPLS circuits and site network. • Responsible for updating existing site network diagrams, designing, and creating new diagrams for upcoming projects.• Designed and configured auto failover and failback for all sites via different paths (MPLS, satellite, S2S VPN).