ICS/OT Cyber Security Lead

Job Type:Contract/Temp


Calibre Group, which includes Calibre and Diona is a diversified Professional Services and Construction specialist. We provide a broad scope of engineering, consulting, construction, project delivery and management services across Australia and New Zealand.

Our Technologies team provide comprehensive technology consulting, design, managed services, implementation, maintenance and operations capabilities to deliver significant, sustainable improvements to our clients operations. The team work across a variety of projects from automation and optimisation, industrial communications, IP solutions, transport technology, remote operations and security, to name a few.


We provide a diverse and inclusive work environment and as our most valuable asset we invest in our employees’ personal and professional growth. We provide a range of benefits including;

  • Ongoing professional development, on the job training and study support
  • Leadership and mentoring programs
  • Paid parental leave
  • Purchased leave
  • Salary continuance insurance
  • Flexible working options
  • Professional memberships and subscriptions
  • Competitive remuneration packages
  • Generous employee referral incentives
  • A host of health and wellbeing benefits


  • Work with existing clients to asses existing systems/installations/sites against the IEC62443 Security Level (SL) rating to calculate SL Achieved (SL-As)
  • Work with existing clients to set SL Targets (SL-Ts) that match their risk appetite
  • Develop cyber security program of works to align SL-As to SL-Ts
  • Create OT Cyber security preliminary and detail OT cyber security analysis reports
  • Provide input to bids teams to include methodology, cost and schedule for cyber security works required
  • Develop OT cyber security policies and procedures for clients
  • Develop and present general and focused OT Cyber Security Education programs
  • Expand Calibre’s current OT cyber security portfolio


You will be a passionate and driven cyber security professional who is looking for their next challenge who has;

  • 5+ years of experience with ICS/OT cyber security, industrial control system design, and industrial networks
  • Computer science, Electrical or Electronic Engineering degree or equivalent
  • Experience designing, maintaining and supporting cyber security management systems
  • Ability to analyse and suggest recommended improvements to the industrial control system configurations, applications, systems and networks to meet security level requirements
  • Ability to create and implement cyber security programs with short, intermediate and extended outcomes focusing on client value in regards to vulnerability mitigation, cost and schedule constraints.
  • Experience in deploying security program within 24/7 operations
  • Demonstrate industrial control systems and protocols experiences, both hands on and from a design perspective
  • Demonstrate experience with security controls and technologies such as zone and conduit models, antivirus software, firewalls, configuration and patch management, DMZ, SIEMs, UAC, intrusion detection systems, centralised alert logging and monitoring etc
  • Have a good knowledge of operational networking
  • Exposure to safety-related control systems, including a knowledge of IEC 61508, IEC 61511 and IEC 622 Functional Safety Standards
  • Extensive practical knowledge of: IEC 62443, NIST SP 800-82 or CPNI Good Practice
  • Able to communicate effectively both verbally and via technical and non-technical documentation
  • Strong interpersonal and stakeholder management skills


If this sounds like the opportunity for you then APPLY NOW!