Senior Network and Security Engineer (IT/OT)

Teams · West Leederville, Western Australia
Department Teams
Employment Type Full-Time
Minimum Experience Senior Manager/Supervisor
Compensation $130,000 to $140,000

Denver delivers digital solutions and services for oil, gas and mining organisations. For 30 years we have been leveraging our domain knowledge and technology expertise to address the business challenges and opportunities facing our clients. We support idea creation, speed to action and we encourage our talented team of 70 to get involved - to have new experiences, learn from our mistakes and celebrate our wins. We want our team to feel strongly connected to our values and strategy so that they feel capable to support our clients’ growth, and their own personal and career progression – and have fun in the process. Come and be a part of this success

About the role: 

Denver has an exciting opportunity for Senior IT/OT Engineer (Network & Firewall Specialisationwho is self-motivated and experienced Network and Security professional with at least 6 years’ experience in medium and large-scale network infrastructure including Industrial and Operational Technology (OT) Networks. 


The position requires experience and advanced knowledge in the design and deployment of Corporate and Industrial/Operational Technology (OT) Networks including network design, scalable routing and switching, Firewall and Security architecture along with responding to project proposals and tender requests. 


The position is primarily centred around project deployment and consulting tasks involving the upgrade, remediation, review and analysis of network and security infrastructure. These tasks can be conducted onsite at client locations or remote from Denver offices with some travel required. There is no on-call requirement for the role, but some after-hours work is required for deployment activities. 


What we offer: 

  • Flexible work environment. 
  • Truly collaborative sharing of experience, knowledge, and ideas. 
  • Opportunity to work with a variety of tools, methodologies, and clients. Flexible work environment. 


Qualifications and certificates required: 

  • At least 6 years’ experience as a Network Engineer/Firewall Engineer with substantial project design and deployment experience. 
  • Check Point Certified Security Administrator (CCSA) or equivalent CheckPoint Firewall knowledge/experience. 
  • Cisco CCNP level certification such as CCNP Routing and Switching/CCNP Enterprise/CCDP/CCNP Security or higher/equivalent certification. 
  • Certification/knowledge in a second area such as one of the following - Wi-Fi, Network Optimisation, Cyber Security, VoIP, Network Design/Architecture, Windows Server etc. 
  • Advanced knowledge of Cisco Routing and Switching. 
  • Knowledge of secure Network and Firewall design and deployment. 
  • Experienced in the creation of Detailed Design/High-Level Design (HLD)/Low-Level Design Documents. 
  • Experienced in project scoping and pre-sales estimations along with writing/contributing to sections of project proposal/tender documents. 



  • Demonstrated high level conceptual, analytical, and problem-solving skills, and the ability to develop creative and innovative solutions to difficult and complex problems. 
  • Excellent verbal and written communication skills. 
  • Excellent attention to detail. 
  • Accountable and proactive with the ability to self-manage and co-ordinate multiple project priorities. 

If this role is for you, please apply for this position by clicking the link below and submitting a cover letter and CV. 


Unsolicited emails and resumes from recruiters will not be accepted. 

Thank You

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  • Location
    West Leederville, Western Australia
  • Department
  • Employment Type
  • Minimum Experience
    Senior Manager/Supervisor
  • Compensation
    $130,000 to $140,000