Cyber Security Architect | Security Officer

GenusPlus Group; Melbourne; On-site; AUD 140,000 - 210,000; Full time

Job summary

CommTel in Melbourne is seeking an experienced Cyber Security Architect | Security Officer to design and implement cybersecurity solutions for mission-critical networks across industrial and utility sectors. You will balance hands-on architecture with risk management and project delivery to meet industry accreditation requirements.

Join a specialist integrator delivering secure infrastructures, lead security projects, and provide guidance to stakeholders while maintaining strong collaboration

Qualifications

• Minimum five years in cybersecurity design.
• Five years in communications or infrastructure projects.
• Experience with mission-critical networks and ICS/OT.
• ISO 27001 risk and gap assessments.
• Essential Eight maturity assessments.

Responsibilities

• Design and maintain cybersecurity solutions for mission-critical networks.
• Conduct risk and vulnerability assessments with mitigations.
• Develop security policies, procedures, and controls.
• Support threat monitoring, incident response and recovery.
• Lead cybersecurity projects and guide stakeholders.

Skills

Cybersecurity design

Risk assessments

Project delivery

Threat monitoring

IAM & Cloud security

Education

Engineering/CS degree

Tools

Firewalls

Intrusion detection

Endpoint protection

SIEM platforms

Job description

Cyber Security Architect | Security Officer

Secure mission-critical communications infrastructure and make an impact across Australia's essential industries

15th October, 2026

CommTel delivers mission-critical communications solutions across mining, utilities, transport, oil and gas, and emergency services. We specialise in the design, integration and support of critical communications infrastructure where security and reliability are essential.

About the role

We are seeking an experienced Cyber Security Architect | Security Officer to design and implement cybersecurity solutions, manage security risks and support compliance across customer communications infrastructure and industrial systems. This role combines hands-on security architecture with risk management, project delivery and industry accreditation requirements.

Key responsibilities

• Design, implement and maintain cybersecurity solutions for mission-critical networks and infrastructure.
• Conduct security risk assessments, vulnerability assessments and audits, implementing appropriate mitigation strategies.
• Develop security policies, procedures and technical controls.
• Support threat monitoring, detection, incident response and recovery.
• Assess security maturity and support compliance with ISO 27001, Essential Eight, Cyber Essentials and DISP requirements.
• Apply security principles across industrial control systems (ICS), operational technology (OT) and communications networks.
• Work with customers, internal teams and external partners to strengthen security controls.
• Lead cybersecurity projects and provide technical guidance to stakeholders.

About you You will bring:

• A degree in Telecommunications, Electrical Engineering, Computer Science, Computer Engineering, IT or a related discipline.
• At least five years' experience in cybersecurity design and five years' experience in communications or infrastructure projects.
• Strong knowledge of mission-critical networks, IPS/OT security, SCADA, PLCs, HMIs, RTUs and industrial protocols such as Modbus, OPC and DNP3.
• Experience with identity and access management, cloud security, firewalls, intrusion detection, endpoint protection, encryption and SIEM platforms.
• Experience with ISO 27001 risk and gap assessments and Essential Eight maturity assessments.
• Strong communication, problem-solving and project delivery skills.
• A commitment to workplace safety and the ability to obtain NPRion Police Clearance.

Desirable:

CISSP, CISA, CISM or ISO 27001 Auditor certification, plus experience with Cyber Essentials, Cyber Essentials Plus or DISP accreditation.

Why join CommTel?

Join a specialist communications integrator delivering critical solutions across essential industries, where you can contribute to securing complex infrastructure and mission-critical systems.