Profectus is seeking multiple experienced Cross Domain Solution (CDS) Specialists to design, deliver and sustain cross domain solutions within an Australian Government agency. The roles centre on bespoke CDS design and the Linux-based infrastructure that transfers data securely between networks of different classifications, including servers, network devices, monitoring and authentication services. The work covers CDS design and implementation, technical leadership, BAU support of existing CDSs, build automation with Ansible, and ongoing patching, upgrades and monitoring.
Key Responsibilities
Design and implement bespoke cross domain solutions that are scalable, secure and compliant, aligned to business requirements and organisational strategy
Provide technical leadership and guidance to engineering teams
Work with stakeholders to capture business needs and translate them into technical requirements
Manage vendor relationships to support implementation and ongoing support of CDS products
Produce and maintain technical documentation in line with industry standards
Provide BAU support and sustainment for existing CDSs, including incident resolution and fault finding
Configure and maintain Linux servers, network devices, system monitoring and authentication services
Prepare and replicate system builds using Ansible and other automation tools
Plan and apply upgrades and patches, with configuration code maintained in version control
Develop Python and Bash scripts to automate CDS processes and integrate security tools and appliances
Required Experience
Design and delivery of bespoke CDS,



alongside BAU support of existing CDSs
Configuration and sustainment of Linux-based ICT infrastructure, including servers and/or network devices
System monitoring and authentication services in Linux environments
Ansible or similar automation tools used to prepare and replicate system builds
Patching, upgrades and configuration automation to keep infrastructure reliable
Version control systems such as Git for infrastructure and configuration code
Providing technical leadership and guidance to engineering teams
Working with stakeholders and vendors to deliver and support technical solutions
Technical documentation for designs, builds, configurations and operating procedures
Python or Bash scripting to automate CDS processes and integrate security tools and appliances
Experience supporting Defence or national security ICT environments
Experience with data diodes, guards or other CDS products
Red Hat certifications such as RHCSA or RHCE
Red Hat Satellite, IdM or Ansible Automation Platform
Experience applying the Information Security Manual (ISM) to infrastructure builds
Security Clearance Requirements
Must be an Australian Citizen
Must have a current AGSVA Top Secret Positive Vetting (TSPV) Security Clearance
Working Arrangements
Onsite
Why Profectus
Profectus partners with Australian Government agencies to deliver trusted ICT capability across complex delivery programs. We take a long term, relationship driven approach, supporting our people across the full lifecycle of their engagement while contributing to outcomes of national importance.
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📌 Cross Domain Solution Specialist (Canberra)
🏢 Profectus
📍 Canberra