Enterprise Firewall Security Engineer

FirstRand Limited; Randburg; On-site; ZAR 600,000 - 1,000,000; Full time

Benefits offered by this job

Opportunities to network and collaboar

Challenging Work

Opportunities to innovate

Job summary

FirstRand Limited's FNB unit is seeking an experienced Firewall Security Specialist to join the Infrastructure and Cybersecurity team. You will administer, monitor, and optimize enterprise firewall platforms to safeguard critical banking systems.

The role requires strong knowledge of network security technologies, change management, threat mitigation, and collaboration with Cyber Security, Network Engineering, Risk, and Applications teams. Some after-hours maintenance and on-call duties apply.

Qualifications

• Degree or Diploma in Information Technology, Network Engineering, Cyber Security, or related field.
• Industry certifications such as Cisco CCNA Security / CCNP Security, Cisco Secure Firewall Certification, ITIL Foundation (advantageous).
• 3-5+ years of hands-on firewall administration experience.
• Experience supporting enterprise security platforms within a large corporate environment.

Responsibilities

• Administer and support enterprise firewall environments, including configuration, maintenance, and troubleshooting.
• Implement and manage security policies, ACLs, NAT, VPNs, and security zones.
• Perform firewall software upgrades, patching, and vulnerability remediation.
• Monitor firewall performance, availability, and security events.
• Investigate and resolve firewall-related incidents, outages, and performance issues.
• Review and implement approved firewall rule requests in accordance with security standards.
• Conduct firewall health checks, capacity planning, and lifecycle management.
• Collaborate with Cyber Security, Network Engineering, Risk, and Application teams during project implementations.
• Participate in after-hours maintenance windows and change implementations.
• Ensure compliance with organizational security standards, audit requirements, and regulatory obligations.

Skills

Cisco ASA

Cisco Secure Firewall Threat Defense (

Cisco FMC (Firepower Management Center

VPN Technologies

Routing and Switching Fundamentals

TCP/IP Networking

NAT

ACLs

Security Zones

HA Configurations

Firewall Upgrades

Migrations

Change Management Processes

Education

Degree or Diploma in Information Technology, Network Engineering, Cyber Security, or related field

Tools

Cisco ACI

SIEM Platforms (Splunk, QRadar, Sentinel)

Cloud Security (Azure, AWS)

Job description

FirstRand Limited's FNB unit is seeking an experienced Firewall Security Specialist to join the Infrastructure and Cybersecurity team. You will administer, monitor, and optimize enterprise firewall platforms to safeguard critical banking systems.

The role requires strong knowledge of network security technologies, change management, threat mitigation, and collaboration with Cyber Security, Network Engineering, Risk, and Applications teams. Some after-hours maintenance and on-call duties apply.