Customer Security Engineer — Hybrid, MDR/XDR Focus

Vox Telecommunications Pty Ltd; Johannesburg; Hybrid; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Hybrid working environment

Fully funded certification path

Career growth

Paid leave and bonuses

Enterprise-scale exposure

Job summary

VOX Telecommunications Pty Ltd in Johannesburg (Waterfall City) is seeking a Customer Security Services Engineer to design, deploy and manage the Sophos stack, XGS firewalls and SD‑WAN across customer estates. This hands‑on role covers endpoint protection, email security and encryption, with a focus on delivering security outcomes.

You’ll support pre‑sales design through to ongoing managed support in a growing practice, collaborating with clients and internal teams in a hybrid environment.

Qualifications

• 2+ years hands-on network/security experience.
• Experience with enterprise firewalls (Sophos/Fortinet/Palo Alto/Cisco).
• Familiar with EDR/XDR and MS 365/Entra ID.
• Strong troubleshooting discipline.

Responsibilities

• Designing and deploying Sophos XGS firewall and SD‑WAN solutions, including VPN, IPS, web filtering, application control and TLS inspection.
• Configuring SD‑WAN profiles, SLA policies and traffic steering across DIA, MPLS and LTE transports.
• Deploying and managing Sophos Endpoint protection, threat protection policies and device control across customer estates.
• Performing XDR alert triage, threat hunting and investigation, and supporting MDR service delivery.
• Deploying and managing Sophos Email Security, including Mailflow, SPF/DKIM/DMARC and DLP.
• Managing Central Device Encryption policies, recovery key escrow and compliance reporting.
• Supporting customer migrations from incumbent security platforms, including phased cutover planning.
• Responding to customer security incidents, identification, containment and mitigation.
• Producing security posture and compliance reporting aligned to POPIA, the Cybercrimes Act and ISO 27001.
• Maintaining the RightFax hosted service platform.
• Producing build documentation, network diagrams and customer handover packs.
• Providing remote enablement and training to customer IT teams.

Skills

Firewall admin

Network security

EDR/XDR

Threat hunting

Technical comms

Incident response

Tools

Sophos firewall

Fortinet firewall

Palo Alto

Cisco ASA

Job description

VOX Telecommunications Pty Ltd in Johannesburg (Waterfall City) is seeking a Customer Security Services Engineer to design, deploy and manage the Sophos stack, XGS firewalls and SD‑WAN across customer estates. This hands‑on role covers endpoint protection, email security and encryption, with a focus on delivering security outcomes.

You’ll support pre‑sales design through to ongoing managed support in a growing practice, collaborating with clients and internal teams in a hybrid environment.