JOB SUMMARY :
The Senior Network Engineer-I is responsible for the design, implementation, maintenance, and security of the company's network and telecommunications infrastructure, with a specialization in Cisco products. This role includes managing firewalls, VPNs, switches, routers, and VoIP systems, ensuring optimal performance, security, and reliability. The engineer will work closely with IT teams to troubleshoot network issues, implement upgrades, and enhance cybersecurity measures.
RESPONSIBILITIES :
- Design, configure, and maintain enterprise network solutions using Cisco routers, switches, and wireless systems.
- Oversee the performance, availability, and scalability of LAN, WAN, and WLAN networks.
- Deploy and manage firewalls (Cisco ASA, Firepower, or Palo Alto) to ensure network security.
- Configure and maintain VPN solutions (Cisco AnyConnect, IPSec, SSL VPNs) for secure remote access.
- Manage and support VoIP and unified communications systems.
- Implement and maintain network security policies to protect against cyber threats.
- Conduct firewall rule audits and security assessments to ensure compliance with industry standards.
- Monitor network traffic, detect vulnerabilities, and respond to security incidents.
- Ensure compliance with ISO 27001, NIST, and other regulatory requirements.
- Diagnose and resolve network connectivity issues, latency, and performance bottlenecks.
- Perform network traffic analysis to optimize bandwidth and prevent congestion.
- Utilize network monitoring tools like Cisco Prime, SolarWinds, or PRTG to track system health.
- Lead network infrastructure upgrades, migrations, and expansions.
- Work with IT, cybersecurity, and business teams to support network-related projects.
- Provide technical guidance to junior network engineers and IT staff.
- Create and maintain network documentation, diagrams, and policies.
QUALIFICATIONS :
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Education Required :
- Bachelor’s degree in computer science, Information Technology, Network Engineering, or a related field.
- Cisco certifications such as CCNP (Cisco Certified Network Professional) or higher are preferred.
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Skill Required :
- Expert knowledge of Cisco networking technologies (routers, switches, firewalls, VPNs).
- Hands-on experience with Cisco ASA, Firepower, and Cisco Meraki.
- Strong understanding of TCP/IP, VLANs, OSPF, BGP, and MPLS.
- Experience with VPN technologies (IPSec, SSL, GRE tunnels).
- Proficiency in firewall security policies, IDS/IPS, and network hardening.
- Familiarity with network monitoring tools (Cisco Prime, SolarWinds, Wireshark).
- Strong troubleshooting and diagnostic skills for complex network issues.
- Ability to implement high-availability and disaster recovery solutions.
- Strong communication and documentation skills.
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Experience :
- 5+ years of experience in network engineering and telecommunications.
- 3+ years of hands-on experience managing Cisco network infrastructure.
- Experience in firewall and VPN administration in a corporate environment.
- Background in network security, intrusion detection, and prevention systems.
- Experience in working with multi-site network environments is a plus.