Key Responsibilities (CCNA-Focused)
Monitor and analyzenetwork trafficto detect security threats and anomalies
Investigate network-based attacks such asDDoS, spoofing, MITM, port scans, and lateral movement
Configure, manage, and monitorCisco routers, switches, and security devices
Analyze logs fromfirewalls, IDS/IPS, VPNs, and network devices
SupportSIEM integrationof Cisco network and security logs
Performpacket analysisusing tools like Wireshark and tcpdump
Implement and maintainnetwork security controls(ACLs, VLANs, NAT, VPNs)
Assist inincident responserelated to network intrusions and compromises
Performnetwork vulnerability assessmentsand remediation
Ensure secure network architecture and segmentation
Document network security incidents, SOPs, and architecture diagrams
Collaborate with SOC, Network, and Infrastructure teams
Requirements
5+ years of experiencein Cyber Security / Network Security roles
Valid CCNA certification(mandatory)
Strong knowledge of:
TCP/IP, OSI model, routing & switching
VLANs, STP, NAT, DHCP, DNS
Network security protocols (IPSec, SSL, SSH)
Hands-on experience with:
Cisco routers and switches
Firewalls (Cisco ASA / Firepower preferred)
IDS/IPS and VPN technologies
Experience innetwork traffic analysis and packet capture
Familiarity withSIEM toolsfor network log monitoring
Understanding of common attack vectors and mitigation techniques
Experience with Windows & Linux network services
Preferred / Additional Qualifications
Cisco CyberOps Associate / Professional
CCNP Security or CCNP Enterprise
CEH or CySA+
SIEM certifications (Splunk, QRadar, Sentinel)
Cloud networking security (Azure / AWS)