Senior Technology Firewall and Network Engineer

OpenSource Intelligent Solutions; Johannesburg; On-site; ZAR 200 000 - 300 000; Full time

Job summary

A tech consultancy firm is seeking a Senior Firewall & Network Security Engineer in Johannesburg. The role involves designing and supporting large-scale Palo Alto environments and collaborating on high-impact projects. Candidates should have PCCSE / PCNSE or NSE4+ certification, and expertise in multi-cloud infrastructure is a plus. This position offers flexible work options and competitive market rates.

Benefits

Flexible work options

Competitive market rates

Access to the latest technologies

Collaborative, expert-driven team

Training and growth opportunities

Qualifications

• Certifications in Palo Alto Suite required.
• Experience with cloud-based technologies and security protocols.
• Understanding of network engineering fundamentals.

Responsibilities

• Design and support large-scale Palo Alto environments.
• Deploy cloud-based infrastructure using Prisma Cloud.
• Lead troubleshooting and network load balancing deployments.

Skills

Palo Alto Security Suite expertise

Multi-cloud infrastructure knowledge

Scripting/automation

Linux administration

Education

PCCSE / PCNSE or NSE4+ certification

Tools

CloudFlare

CyberArk

AWS IAM

Active Directory

PingID / DUO

Job description

Overview

We\'re Hiring : Senior Firewall & Network Security Engineer (JHB)

Join a UK-based tech consultancy working with global clients across finance, oil & gas, and healthcare. We partner with leading technology providers to deliver cutting-edge solutions—and now we\'re expanding our team in South Africa.

Location

Johannesburg

HQ : London, UK

Role Focus

Palo Alto Firewall Suite, Cloud Security, Network Engineering

What You’ll Do

• Design and support large-scale Palo Alto environments (1000+ nodes)
• Deploy cloud-based infrastructure using Prisma Cloud, Cortex XDR, Strata Cloud Manager
• Lead troubleshooting, routing (BGP, OSPF, EIGRP), and load balancing deployments
• Collaborate with a small, expert team on high-impact projects
• Work flexible hours, including weekends and occasional US time zones.

What We’re Looking For

• PCCSE / PCNSE or NSE4+ certification
• SME-level experience in Palo Alto Security Suite
• Strong grasp of multi-cloud infrastructure, ZTNA, WAF, and DDoS protection
• Familiarity with tools like CloudFlare, CyberArk, AWS IAM, Active Directory, PingID / DUO
• Bonus : scripting / automation, Linux admin, multivendor network experience

Why Join Us

• Flexible work options
• Competitive market rates
• Access to the latest technologies
• Collaborative, expert-driven team
• Training and growth opportunities