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Sean ***** ****** Senior Software Engineer
New South Wales (NSW) $500 / dayPROFILE Software engineer with 7+ years across backend development, full stack delivery and DevOps, in regulated financial services, legal technology and Australian government platforms. Most recently at Nasdaq on an…
and microservices integrating internal and third-party systems. Application-level request filtering and validation controls built under market regulationand put a TensorFlow and Keras model into production. Uses AI-assisted development tooling daily.Angular and TypeScript across several rolesBackend development - Java 11 and 17 with Spring Bootcutting triage from hours to minutes. • Automation and internal tooling - Automated a manual cross-environment parameter migration that had bottlenecked every releasedashboards and alertingEMEA and APAC. Led the root-cause analysis when a regional cluster went down under live impactfrom data model through to production support - 40% reduction in support tickets. ReactGrafanalog aggregationLoki with Promtailon EC2 with images in ECR and artefacts in S3ReduxREST APIs secured through OAuth2restored service and documented the fix as a runbook. • Observability and monitoring - PrometheusThanos and Splunk across production environments - metricstraced it from the service layer through routing to a DNS resolution failureversion-controlled configuration. • Production support and incident ownership - Regional point of contact and escalation owner across Americaswith continuous peer review of pull requests. • DevOpswith Helm charts and Puppet roles and profiles for declarative -
Radmir ******** OT/ICS Cybersecurity Engineer | Industrial Automation & Control Systems
Brisbane $500 / dayOT/ICS Security and Industrial Automation Engineer with 13+ years of full-lifecycle experience across Oil & Gas, Chemical, Pipeline, and Critical Infrastructure sectors. Dual expertise in industrial control systems engineering and…
ABB 800xAABB AC800MActive DirectoryAVEVA InTouchBeckhoff TwinCAT OT Security Tools and Platforms: ClarotyC# Standards: IEC 62443Cisco FirepowerCisco IOS/ASACrowdStrike FalconDNP3Dräger Protocols: Modbus RTU/TCPDragosEmerson DeltaVEmerson RosemountEtherNet/IPFortiGateFoundation FieldbusGE iFixGPOHARTHoneywell AnalyticsHoneywell ControlEdgeHoneywell Experion PKSIBM QRadarIEC 60870-5-101/104IEC 61508IEC 61511IEC 61850Ignition PLC/DCS/RTU: Siemens S7-300/400/1200/1500industrial IDS/IPSISA-18.2ISA-95ISO/IEC 27001LinuxMicrosoft SentinelMITRE ATT&CK for ICSMQTT IT Infrastructure: Windows ServerMS SQLMSA SafetyNERC CIPNIST SP 800-82Nozomi NetworksOPC UA/DAOSPFPalo Alto Networkspassive OT monitoring Field Instrumentation: Endress+HauserPKIPostgreSQLPROFIBUSPROFINETPurdue ModelPython basicsRockwell ControlLogix/CompactLogix/GuardLogixRockwell FactoryTalkSCADA/HMI: Siemens WinCCSchneider Electric Modicon M340/M580/QuantumSiemens PCS 7Splunk ESTenable.otTIA PortalVEGAVLANVMware vSphereYokogawaYokogawa CENTUM VP