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Network Security Specialist
Job in
Midrand, Gauteng, South Africa
Listed on 2026-06-12
Listing for:
Gijima Holdings: HR
Full Time
position Listed on 2026-06-12
Job specializations:
-
IT/Tech
Cybersecurity, Network Security, Systems Engineer
Job Description & How to Apply Below
FORMAL EDUCATION
- Grade 12
- Information Technology or related field required
- +5 years’ technical experience in deployment of NGFW platforms (Palo Alto, Fortinet, Checkpoint)
- + 5 years’ experience in Technical Information Security positions
- Alignment and experience with good practices essential (NIST, ISO
27001 or equivalent) - Practical experience in development of policy and standards
- Network-based security experience is essential
- Strong understanding of Zero Trust frameworks (NIST 800-207, ZTNA)
- Solid networking fundamentals — BGP, OSPF, VXLan, SD-WAN, TLS inspection
- Deception technology or honeypot deployment experience
- Standards-based architecture with an understanding of how to implement, including compliance monitoring and enforce ability
- Security Certifications in either Tufin, Firemon, Skybox, Algosec (optional)
- ITIL foundation certificate (optional)
- Fortinet NSE 7 certification (mandatory)
- Fortinet NSE 6 WAF & Forti Authenticator (mandatory)
- Checkpoint Firewall/Palo Alto Firewall Certification (mandatory)
- Mimecast or equivalent certification (optional)
- Design and maintain Zero Trust network architecture across hybrid and multi-cloud environments
- Configure, tune, and deeply troubleshoot NGFW platforms (Palo Alto, Fortinet, Check Point, or equivalent)
- Manage and optimise WAF rulesets, signatures, and custom policies to protect web-facing assets
- Operate and tune IPS sensors — analyse alerts, reduce false positives, and lead incident response
- Deploy and maintain NDR solutions (e.g. Darktrace, Link Shadow or similar) for east-west traffic visibility
- Drive micro-segmentation, identity-aware access, and least-privilege network policies
- Assist analysts with configuration analysis reports and remediation actions
- Create and maintain configuration baselines for all network platform systems
- Develop and implement information network and security plans and policies
- Develop strategies to respond to and recover from a security breach
- Develop or implement tools to assist in detection, prevention, and analysis of security threats
- Investigate security breaches. Lead incident response, including steps to minimize the impact and then conducting a technical investigation into how the breach happened and the extent of the damage
- Knowledge of network configuration auditing tools (e.g. Tufin, Firemon, Skybox, Algosec)
- Knowledge of CIS and other standards (e.g NIST) for network equipment
- 6+ years in network security engineering roles
- Knowledge of Wireless configuration best practices
- Hands‑on mastery of at least one enterprise NGFW platform at depth (not just policy changes)
- Email Gateway Security experience eg. Mimecast or equivalent
- SASE experience eg. Zscaler or equivalent
- Advanced communication skills (report writing, email and presentation)
- Advanced Problem‑solving skills
- Advanced Customer orientation
- Functional coaching skills
- Proven WAF experience — OWASP Top 10, custom rule development, bot management
- Adhering to Principles and Values
- Delivering Results and Meeting Customer Expectations
- Deciding and Initiating Action
- Planning and Organising
- Self‑driven
- A Evaluate and onboard new security tooling — presenting business cases and ROI to leadership
- Writing and Reporting
- Exposure to OT/ICS network security
- Scripting ability for automation (Python, Ansible, or Terraform)
- Coping with Pressures and Setbacks
- Experience in cloud environments (AWS/Azure/GCP security constructs)
- Achieving Personal Work Goals and Objectives
- Following Instructions and Procedures
- Learning and Researching
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