Network Security Specialist

Itonga Resourcing · Johannesburg, Gauteng · Negiotable

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Introduction

Our client is looking for an experienced Network Security Specialist to support a critical cybersecurity and technology environment.We are looking for a senior network security professional with strong hands-on experience in network security architecture, firewalls, intrusion prevention, network monitoring, secure connectivity, vulnerability management and incident response.The successful candidate should have strong practical experience securing complex enterprise and/or industrial network environments, with exposure to both on-premises and cloud-based security infrastructure.

Duties & Responsibilities

  • Design, implement and maintain secure network architectures.
  • Configure, manage and optimise enterprise firewalls and security appliances.
  • Implement and maintain network security controls and policies.
  • Monitor network traffic for suspicious or malicious activity.
  • Investigate network security alerts and potential security incidents.
  • Manage and support IDS/IPS technologies.
  • Perform network security assessments and vulnerability assessments.
  • Support network segmentation and secure network zoning.
  • Implement secure remote access, VPN and connectivity solutions.
  • Monitor and investigate network-based threats and attacks.
  • Support incident response and remediation activities.
  • Analyse network logs, traffic and security events.
  • Implement and maintain network access controls.
  • Support secure cloud networking and hybrid network environments.
  • Work with infrastructure, SOC, cloud and cybersecurity teams.
  • Review firewall rules and identify opportunities for security improvement.
  • Support vulnerability remediation across network infrastructure.
  • Develop network security standards, procedures and technical documentation.
  • Prepare regular network security reports and risk assessments.
  • Support security audits and compliance requirements.
  • Provide technical recommendations to stakeholders.

Desired Experience & Qualification

  • 5+ years of relevant Network Security experience.
  • Strong hands-on experience in enterprise network security.
  • Experience across:
  • Network Security Architecture
  • Firewall Security
  • IDS/IPS
  • Network Monitoring
  • Network Segmentation
  • VPN / Secure Remote Access
  • Network Vulnerability Assessment
  • Incident Response
  • Threat Detection
  • Strong knowledge of TCP/IP, routing, switching and network protocols.
  • Experience with enterprise firewalls and security appliances.
  • Experience with network security monitoring and analysis.
  • Experience securing complex enterprise environments.
  • Exposure to cloud and hybrid network security environments.
  • Strong understanding of cybersecurity principles, security controls and risk management.

Priority Certifications

Candidates with the following certifications will be highly relevant

Core CybersecurityCISSP

  • CISM
  • OSCP
  • GIAC Security Essentials (GSEC)
  • CompTIA Security+
  • CompTIA CySA+

Network Security

  • Cisco Certified CyberOps Associate
  • Cisco Certified Network Professional (CCNP) Security
  • Fortinet NSE / Fortinet Certified Professional
  • Palo Alto Networks Certified Network Security Engineer (PCNSE)
  • Check Point Certified Security Administrator (CCSA)
  • Check Point Certified Security Expert (CCSE)

Cloud Security

  • Microsoft Certified: Azure Security Engineer Associate
  • AWS Certified Security – Specialty

Google Professional Cloud Security EngineerOT / Industrial Security – Advantageous

Where the environment includes OT/ICS infrastructure, the following will be advantageous:

  • GICSP
  • IEC/ISA 62443
  • SANS/GIAC OT-ICS certifications

Relevant OT OEM certifications, including Siemens, Schneider Electric, Rockwell Automation, ABB or Honeywell. Candidates should clearly indicate their certification, issuing organisation

Interested?

Further project and engagement details will be discussed with shortlisted candidates.

Interested?If you have strong hands-on Network Security experience and can demonstrate expertise across firewalls, network security architecture, IDS/IPS, network monitoring, vulnerability management and incident response, we would like to hear from you.

Please note: Due to the volume of applications received, only shortlisted candidates will be contacted. If you have not heard from us within two weeks of submitting your application, please consider your application unsuccessful on this occasion. We appreciate your interest in this opportunity and thank you for considering Itonga Resourcing.

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