Snr Specialist IM Security IT & OT

This role is responsible for defining leading and managing the implementation of cybersecurity initiatives to protect Valterra Platinums IT and OT hybrid networking environment. This includes developing secure IT/OT architecture enforcing compliance with industry standards and implementing controls to strengthen IT/OT cybersecurity posture. The role leads projects to secure IT and OT networks systems manage IT/OT threat and vulnerability programs and collaborates with internal teams and external partners to ensure the protection of critical infrastructure.

Job responsibilities include (but are not limited to):

• Lead and manage the development of the IT/OT cybersecurity capability across all operations.
• Lead design and manage cybersecurity solutions for securing IT/OT network and infrastructure environments.
• Lead the discovery monitoring and management of OT IoT IIoT systems and applications.
• Develop and manage an IT and an OT asset inventory program.
• Develop and maintain an IT and an OT specific cybersecurity controls program aligned with ISA/IEC 62443 NIST 800-82 NIST CSF and Zero-Trust principles.
• Develop and maintain an IT and an OT specific cybersecurity risk program.
• Design manage and continuously improve controls effectiveness of IT and OT firewall technology across all operations.
• Develop and maintain an and IT and an OT vulnerability management/remediation program in collaboration with managed security operations centre (MSOC) IM Infrastructure (e.g Cloud Infrastructure and on-premise networking infrastructure and IM Business Applications (OT).
• Maintain documentation and reporting for compliance and operational visibility.
• Support incident response and forensic investigations in OT environments.
• Collaborate with OT engineering automation and IT teams to ensure secure OT/IT integration
• Collaborate with other cybersecurity teams to conduct regular OT cybersecurity assessments reviews and audits.
• Collaborate with Enterprise Risk Management (ERM) and other IM functions and contribute towards the development and maintenance of business impact analysis (BIAs) and business continuity plans (BCPs) for OT.
• Collaborate with IM governance risk & compliance (GRC) to develop and maintain disaster recovery plans (DRPs) for OT systems/applications. 
• Act as the primary point of contact for internal and external audits concerning controls for IT and OT security.
• Provide training and guidance to IM teams and business stakeholders on best practices for securing IT and OT environments.
• Prepare and present regular metrics and key risk indicators (KRIs) on the overall health and security posture of the organisations IT and OT landscape to IM management and business stakeholders.
• Research evaluate and recommend new security technologies and approaches to stay ahead of evolving threats targeting IT/OT assets and critical infrastructure.
• Establish and maintain strong working relationships with OT security vendors OT security service providers and OT security consultants.

Qualifications :

• Grade 12
• An undergraduate qualification (Bachelors degree/Diploma or equivalent) in Computer Science Information Technology/Systems Cybersecurity Artificial Intelligence Cloud Computing or related field.
• It would be advantageous to have a postgraduate qualification in Computer Science Engineering cybersecurity or a related field OR a proven track record of extensive practical experience in a role and context of similar complexity.
• Valid EB/Code 08 drivers license
• Industry Certificates:
  • Security certification (e.g. CISSP CISM CISA CompTIA Security CCSK); and/or
  • OT Security certificates (e.g. ISA Series GICSPC); and/or
  • Cloud security certifications (e.g. Microsoft Security Azure Security CCSK CCZK); and/or
  • Relevant vendor certifications (any network security solutions and any OT security solutions).

Experience

• 5 7 years working experience in a similar role

Technical knowledge(experience) required for role:

• Demonstrated strong experience in network security and protection information technology environments.
• Demonstrate strong understand and extensive experience in securing operational technology network infrastructure and critical infrastructure assets.
• Good knowledge and experience implementing IT and OT security frameworks.
• Technical expertise in following industry best practices and standards in securing information technology and operational technology critical infrastructure.

You will also need to have:

• No criminal record
• Good command of English language both written and speaking

If successful you will be required to undergo a Medical Fitness test.

Additional Information :

What We Offer

At Valterra Platinum you will join a team committed to excellence and impact.

We offer:

• Meaningful work in a high-performance values-led environment.
• Market-aligned reward and recognition.
• Opportunities for learning development and progression.
• A culture that respects diversity and encourages innovation.
• A clear commitment to safe Operations.

Inclusion and Diversity

Valterra Platinum is an equal opportunities employer. We are committed to promoting an inclusive and diverse workplace where we value and respect every colleague for who they are and provide equality of opportunity so that everyone can fulfill their potential.
Valterra Platinum has a zero tolerance to dignity harms these include all acts of gender based violence bullying harassment and victimisation. Ensuring the safety of our employees extends beyond physical safety and includes the eradication of harmful behaviours from our workplace. This responsibility extends to everyone at Valterra Platinum both during work hours and outside of work. We are unconditional in creating a respectful inclusive and safe working environment to ensure that no colleague will be violated or harassed under our watch.

How to Apply

• To apply for this role please complete our online application form via this job advert.

Closing Date

• 26 January 2026

Privacy policy - Valterra Platinum

Remote Work :

No

Employment Type :

Full-time