Summary
Overview
Work History
Education
Skills
Languages
References
Timeline
Generic

Denzel Achrow

Tema

Summary

A seasoned senior network engineer with 4 years of experience adept in designing, implementing, and managing complex network infrastructures. Proficient in routing, switching, and network security protocols to ensure optimal performance and safeguard against cyber threats. Skilled in troubleshooting network issues using advanced tools and methodologies, with a strong focus on continuous improvement and optimization. Demonstrated ability to collaborate with cross-functional teams and effectively communicate technical concepts to non-technical stakeholders. Experienced in virtualization, cloud networking, and automation to streamline operations and enhance scalability. Committed to staying updated with the latest technologies and best practices in the field.

Overview

2
2
years of professional experience

Work History

Senior Network Engineer

Darko Institute
Atlanta, GA 30308
10.2022 - Current
  • Led the design, installation, and management of organization-wide local area network, wide area network, and network segments, ensuring optimal performance and reliability.
  • Implemented effective security measures to safeguard data, software, and hardware, and executed maintenance window changes across multiple locations.
  • Configured various protocols including OSPF, EIGRP, DHCP, VLANs, IPv4, port-channels, trunk connections, and SVI to enhance network functionality.
  • Demonstrated proficiency in troubleshooting switching, routing, and spanning tree protocol issues, and automated tasks using Pycharm.
  • Collaborated with team members to identify and address network vulnerabilities, and configured access-lists and NAT for enhanced security.
  • Designing network architectures and solutions based on business requirements, considering factors such as scalability, performance, and security.
  • Configuring and deploying Cisco networking devices such as routers, switches, firewalls, and access points according to design specifications and best practices.
  • Managing day-to-day operation of Cisco-based network infrastructure, including monitoring network performance, ensuring availability, and performing routine maintenance tasks.
  • Implementing security measures to protect network infrastructure and data, including firewall configuration, VPN setup, and intrusion prevention.
  • Diagnosing and resolving network issues, identifying root causes, and implementing solutions to restore service quickly and minimize downtime.
  • Optimizing network performance and reliability through capacity planning, traffic analysis, and configuration tuning.
  • Maintaining accurate documentation of network configurations, topologies, and procedures to facilitate troubleshooting, audits, and future upgrades.
  • Collaborating with other IT teams and stakeholders to integrate network infrastructure with other systems and services, ensuring seamless operation and alignment with business objectives.
  • Providing training and support to other IT staff or end-users on network-related topics, sharing knowledge and best practices to enhance overall IT competency.
  • Configuring and managing VPN tunnels and remote access solutions using Fortinet products to provide secure connectivity for remote users and branch offices.
  • Implementing and managing security features such as intrusion prevention, antivirus, web filtering, and application control to protect against cyber threats and vulnerabilities.
  • Managing day-to-day operation of Fortinet-based security infrastructure, including monitoring security events, managing policies, and responding to security incidents.
  • Configuring and deploying Fortinet security appliances and devices according to design specifications and best practices, ensuring optimal performance and adherence to security policies.
  • Designing network architectures and security solutions using Fortinet products such as FortiGate firewalls, FortiSwitches, FortiAPs, and FortiNAC, considering factors like scalability, performance, and threat mitigation.
  • Investigating and responding to security incidents, conducting forensic analysis, and implementing remediation actions to mitigate risks and prevent future occurrences.
  • Optimizing network performance and reliability through traffic analysis, bandwidth management, and configuration tuning, while balancing security requirements.
  • Maintaining accurate documentation of security configurations, policies, and procedures, as well as generating reports on security events, compliance status, and performance metrics.
  • Providing training and support to other IT staff or end-users on Fortinet products and security best practices, promoting awareness and understanding of security risks and mitigation strategies.
  • Configuring and deploying Cisco Meraki APs and wireless network infrastructure according to design specifications and best practices, leveraging cloud-based management for ease of deployment and centralized control.
  • Designing wireless network architectures and solutions using Cisco Meraki APs, considering factors such as coverage, capacity, and security requirements.
  • Implementing security features such as WPA2 encryption, guest access controls, and rogue AP detection to secure wireless networks and protect against unauthorized access and threats.
  • Integrating Cisco Meraki wireless network infrastructure with existing wired network infrastructure, ensuring seamless communication and interoperability between devices.
  • Maintaining accurate documentation of wireless network configurations, RF surveys, and troubleshooting procedures, as well as generating reports on wireless performance, usage, and trends.
  • Troubleshooting authentication and access issues, diagnosing network connectivity problems, and providing technical support to users, administrators, and other IT teams as needed.
  • Integrating RADIUS servers with network devices such as switches, routers, wireless access points, and VPN gateways to provide centralized authentication and access control.
  • Designing and architecting the RADIUS authentication infrastructure to support various network access methods such as wired, wireless, and VPN.
  • Implementing access control policies and enforcement mechanisms within the RADIUS server to enforce network security policies, user privileges, and resource restrictions.

Network Engineer

Achrow Engineering
COMMUNITY. 4 TEMA
11.2021 - 08.2022
  • Implemented routing changes, including BGP, OSPF, RIP, PIM, and EIGRP, resulting in an 80% improvement in network/system performance.
  • Provided support for video conferencing systems (Cisco VCS/TMS) to ensure seamless end-to-end communication.
  • Designed, configured, and installed data center network devices supporting 1000+ users, including cables, ports, routers, switches, load balancers, and VPNs.
  • Resolved routing issues within multiple contexts of the Cisco ASA firewall and detected network vulnerabilities through infrastructure security testing.
  • responsible for monitoring network performance and troubleshooting issues as they arise.
  • Regular maintenance of network infrastructure is essential to ensure optimal performance and security.
  • maintain accurate documentation of the network topology, configurations, and changes made to the network infrastructure.
  • collaborate with other IT teams, such as systems administrators, security analysts, and application developers, to ensure that the network meets the organization's requirements and integrates seamlessly with other IT systems.
  • stay updated with the latest networking trends, protocols, and security threats.

Education

Higher National Diploma - Mechanical Engineering

Takoradi Technical University
Takoradi, Ghana
11-2022

Skills

  • Ability to diagnose and resolve network issues using troubleshooting methodologies and tools like packet analyzers, network sniffers, and log analysis
  • Understanding of virtualization technologies like VMware, Hyper-V, and cloud networking concepts to deploy and manage network resources in virtualized or cloud environments
  • Proficiency in using network monitoring tools to track network performance, identify bottlenecks, and troubleshoot connectivity issues
  • Familiarity with TCP/IP suite, including protocols such as TCP, UDP, ICMP, DNS, DHCP, HTTP, and others
  • Ability to plan and design network architectures that meet business requirements, considering factors like scalability, security, and performance
  • Proficiency in configuring and managing routers, switches, and other network devices to ensure efficient data routing within a network
  • Understanding of various security protocols, firewalls, VPNs, and intrusion detection/prevention systems to safeguard network infrastructure from cyber threats
  • Knowledge of IPv4 and IPv6 addressing schemes, subnetting, and CIDR notation to effectively manage IP address allocations
  • Strong communication and collaboration skills to work effectively with cross-functional teams, communicate technical concepts to non-technical stakeholders, and document network designs and configurations
  • A mindset of continuous learning and staying updated with the latest trends, technologies, and best practices in networking to adapt to evolving network requirements and industry advancements

Languages

English
First Language
Ghanaian language (Twi)
Beginner (A1)
A1

References

References available upon request.

Timeline

Senior Network Engineer

Darko Institute
10.2022 - Current

Network Engineer

Achrow Engineering
11.2021 - 08.2022

Higher National Diploma - Mechanical Engineering

Takoradi Technical University

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Denzel Achrow