Kwaku Osei-Berkoh - Snr Network engineer, central hudson gas and electric

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Work Background

Central HudsonNetwork Engineer L3

Mar. 2025Poughkeepsie, New York, United States• Lead design, implementation, configuration, and documentation of Layer 2/3 networks across corporate HQ, data centers, and remote locations. • Administer and troubleshoot Cisco routers, switches, and wireless systems using Cisco DNAC, WLC, APs, F5, SolarWinds, and ServiceNow. • Provide 24/7 operational support for enterprise network infrastructure spanning 85 remote sites, two data centers, and a co-location facility. • Manage and upgrade Cisco IOS, IOS-XE, and NX-OS platforms via DNAC /CLI across hardware including C9800-40, C9130/C9136 APs, C9200–C9600 switches, Nexus 9000 series, and ISR 4300–4400 routers. • Plan and deploy high-availability and redundancy solutions using VPC, VSS, HSRP, BGP, and implement scalable data center infrastructure with Cisco Nexus 9K. • Oversee change management processes in ServiceNow, including CR creation, SOP/MOP development, task assignments to L2 engineers, and full inventory documentation. • Develop and maintain high-level and low-level network documentation, including topology diagrams and configuration templates. • Managed F5 LTM and GTM/DNS appliances, including virtual servers, VIPs, pools, iRule, SNAT, along with traffic flow across HTTP/HTTPS/TCP services. • Conduct daily network health checks, monitor interface performance, triage alerts, and maintain detailed records of network changes and incidents. • Collaborate with ISPs for circuit installations and outage resolution, lead rollback planning and cutover execution during scheduled maintenance windows. • Participate in on-call rotation, resolving high-impact outages with root cause analysis and permanent remediation.

RBC Capital MarketsSenior Network Engineer - DC/Branch/Campus

Apr. 2023 - May. 2025Jersey City, NJ 07302• Responsibilities include DC, Branch and Campus Design, Implementation, Management, Configuration along with Documentation, Create/Upgrade/Modify/Decomm, Support and Troubleshooting Cisco Routers, Switches, Wireless, HPE Aruba Silver Peak EdgeConnect • Specific technologies handles include Silver Peak SD-WAN, Orchestrator, Cisco DNAC, Cisco WLC/AP, Meraki AP, Service Now, Infoblox, NetBrain, NetMRI, BGP, VRRP, VLAN, Global-Namer. • Specific hardware’s handle includes HPE Aruba EC-S-P, Cisco c9800-40, c9130, c9136, c9200, c9300, c9500, Meraki MR52, MR56. • Design new Branch/Campus network, create Bill of Material (BOM), create Change Record (CR) in SNOW, create and attach Method of Process (MOP) to a CR and assign cTasks to Level 1 to implement, Close CR after implementation. • Work with SMO and CAB during change Implementation and Coordinate with Branch/Campus Managers/Local Contacts and Corp Security during Cutover hours to alert Network Users/Front End. • Created Change Record to Migrate over 89 CNB Secondary Circuit Broadband (DIA) to a new ISP AquaBlue. • A team member of City National Bank (CNB) and Royal Bank of Canada (RBC) network Merger, Migration and Integration • Responsible for the creation of new subnets for the City National Bank Internal Network. • Configure and Create Naming Conversion for Silver Peak EdgeConnect and Cisco Switches. • Assign Subnets and IP Addresses for various Departments VLANs via InfoBlox. • Prepare Cutsheet for Switch Port Configuration and Branch/Campus WAN Circuit order requirements. • Corporate Network Support Level 2, Service Request, Ticket Resolutions and Escalation. • Manage and Upgrade IOS, IOS-XE version codes including Documentation and Update Hardware, Software Licenses. • Work with ISP/WAN Carries to order WAN Circuits and purchase Bandwidth Licenses for new Branch/Campus primary and Secondary Uplinks, including Collaboration during Implementations and Network Outages, and Network Documentation Changes.

ConnectOne BankSnr. Network Engineer

Mar. 2022 - Feb. 2023New Jersey, United States• Responsibilities included design, configuration, installation, support, documentation and troubleshooting enterprise DC, Cisco Routers, Layer 2/3 Switches, Cisco Nexus-OS, Spine/Leaf Architecture, and FortiGate Firewall, and created detailed LLDs and HLDs for data center network projects • Specific Technologies included BGP, EIGRP, HSRP, VLAN, STP, VTP, NTP, 802.1Q, ARP, VPN, LAN, Meraki Wireless, Monitoring WhatsUp Gold and Orchestrator Applications. • Specific hardware included Cisco c3750, c3850, c9300, c9410, c9500, ISR 4331, 4441, Cisco NX-OS 2K, 5K, 7K, 9K, Fortinet FortiGate 81F, Juniper EX3400, EX3300. • Designed and deployed 50+ FortiGate Firewall solutions for SMB and enterprise clients, including HA pair configurations and multi-site deployments. • Designed Layer 2/3 routing protocols, including configuration and troubleshooting OSPF/EIGRP routing protocols to optimize network communication for a growing corporate network and ensure minimal downtime. • Designed and implemented FortiGate 8-port 2x secure appliance to manage Meraki APs across multi-site infrastructure. • Upgraded Juniper JUNOS, and Cisco IOS, IOS-XE version codes. • Inspect, install, and manage data jacks and patch panel along with racking, stacking switches including cable testing, cable running, and cable tracing with fluke toner. • Act as Tier 3 escalation point for all major network issues, ensuring timely resolution and RCA documentation. • Conducted daily network health checks, monitored interfaces, and performed first-line triage of alerts and created detailed documentation for network configurations and change tracking.

NYC Health + HospitalsNetwork Engineer Consultant

Jan. 2020 - Feb. 2022New York City Metropolitan Area• Team member on migration, provisioning, and configuration of Cisco SD-Access and DNA Center platforms to modernize enterprise network operations. • Hands-on with Cisco ISR (4331–4451), ASR (1002-HX, 9901), Catalyst (9200–9600), Nexus (2K–9K), VG350, and dark fiber deployments. • Deep knowledge of EIGRP, HSRP, VLAN, STP, VTP, LACP, PAGP, VRF, VPC, TCP/IP, and LAN/WAN architectures. • Delivered full lifecycle support, implementation, configuration, ticketing, documentation, and troubleshooting across routers, switches, and wireless. • Conducted wireless heat maps and deployed Cisco APs, improving campus-wide Wi-Fi coverage and reliability. • Collaborated with NAC, SNMP, and NetFlow teams to integrate monitoring and security into core network environments. • Designed, implemented, installed, and managed routers and switches including setup of VLANs and subnets, optimizing network segmentation and security. • Planned and organized campus and remote sites network change record in ServiceNow and attached Method of Process (MOP), assigned cTasks to Level 1 to implement, closed CR after implementation and documented new changes in project tracking inventory. • Developed and maintained high-level and low-level documentation, including network diagrams and configuration templates. • Contributed in on-call rotation, undertaking high-influence outages with root cause analysis and permanent remedy.

Waterbury HospitalLead Network Engineer

Apr. 2018 - Jan. 2020Waterbury, Connecticut, United States• Responsibilities included planning, designing, implementing, configuring, installing, supporting, along documentation, troubleshooting various network technologies including routers, switches, and firewalls. • Configured and maintained enterprise routing and switching across core, distribution, and access layers using Cisco catalyst and nexus switches, including the setting-up of VLANs and subnets, optimizing network segmentation and enhancing security. • Designed and maintained core, distribution, and access layer networks using Cisco catalyst (3850, 4506, 6513) and nexus (2K, 9K) switches. • Configured VLANs, subnets, and access ports for bare metal servers and VMs across platforms including Simplivity 380, NetApp DS424, Citrix NetScaler, and Dell PowerEdge R710. • Engineered Virtual Port-Channel topology with dual Nexus 9K cores, Nexus 2Ks, and stacked Catalyst 3650s to enhance redundancy and throughput • Executed cutovers for 25 MDF/IDF closets, streamlining access layer infrastructure and reducing legacy switch dependencies. • Implemented secure site-to-site and remote-access VPNs using IPSec tunnels across on-site locations and remote sites. • Conducted wireless heat maps and deployed Cisco/Meraki WAPs, improving campus-wide Wi-Fi coverage and reliability. • Developed standardized network diagrams and inventories, improving team knowledge transfer and audit readiness. • Participated in on-call rotation, resolving high-impact outages with root cause analysis and permanent remediation.

Wheels UpNetwork Engineer

Jan. 2016 - Mar. 2018New York, NY 10001• Designed and deployed full-scale Cisco Meraki Hub-and-Spoke architecture across global branch and campus networks, integrating Site-to-Site IPSec VPN tunnels with AWS cloud infrastructure. • Configured MX450 security appliances, MS390 switches, MR52 APs, and MV63 cameras to support secure, scalable connectivity. • Managed private and public AWS environments and partnered with Cloud and Cybersecurity teams to implement secure network designs • Engineered routing between HQ and remote sites using BGP and EIGRP across hybrid cloud infrastructure, ensuring efficient traffic flow and redundancy. • Created and assigned VLANs and subnets for departmental segmentation, enhancing performance and security. • Configured and supported Cisco ASA 5520 firewalls, AnyConnect remote access VPNs, and IPSec tunnels for secure site-to-site connectivity. • Utilized Cisco ASDM for firewall management and ServiceNow for ticketing and change control. • Installed and supported ISR 4331 routers, Catalyst 3850 switches, and Nexus 9K platforms across corporate branches and data centers • Delivered end-to-end design, implementation, documentation, and troubleshooting of network infrastructure across local and global sites.

Kaaseman Rural BankIT System Administrator

May. 2005 - Sep. 2015Sunyani Municipal District, Bono Region, Ghana• Responsible for installations, configurations, administration, documentations, service requests, escalation support, ticket resolution, data backup, disaster recovery, and analysis in small/medium size environment for datacenters, corporate office, WAN links and branch offices. • Specific Technologies handled included but not limited to Windows Servers (NT, 2000, 2003, 2008, 2012), Exchange Server (2003), Domain Controller, Active Directory, GP, OU, SCCM, DHCP, DNS, WINS, LAN, WAN, NAT, VPN, IPSEC/L2TP, TCP/IP, UDP, FTP, IIS, SMTP, SNMP, HTTP(S), NTFS, Cisco IOS, • Specific hardware handled included Dell PowerEdge servers (T30, T330, T440), Dell Computers (OptiPlex 790, 780, 760), Hubs, Repeaters, Netgear 24 port Switches, Routers, APC UPS, LaserJet Printers, Scanners, RJ45 Connectors.