Senior Technical Consultant – Network Security Operations

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Thinkahead Consultant Psychologist Pty Ltd

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1 - 10 employees

Thinkahead is a privately owned psychology firm working across both the clinical field of private practice as well as corporate consulting space.

📋 Description

• Design and deploy ExtraHop sensor architectures across physical, virtual, and cloud environments, including sensor placement strategy for TAPs, SPAN ports, and VPC traffic mirroring in AWS and Azure • Configure and design packetstores for retention, query performance, and compliance requirements, including sizing decisions for high-throughput environments • Create custom detections and bundles tailored to client environments, moving beyond out-of-box detections to address specific threats and false-positive patterns • Develop custom dashboards in Reveal(x) using metrics, devices, and applications views, translating wire data into views that map to client SOC workflows and executive reporting needs • Build and maintain REST API integrations between ExtraHop and SIEM, SOAR, ticketing, and CMDB platforms, including custom triggers and open data stream configurations • Conduct network visibility assessments for prospective and existing clients, identifying blind spots in east-west traffic, encrypted traffic decryption coverage, and segmentation gaps • Collaborate with clients to optimize and fine tune their deployment and provide guidance to assist with the optimization of the platform. • Act as a technical resource for troubleshooting and resolving complex Extrahop related issues during and post-implementation. • Contribute to project documentation, ensuring clarity and completeness of Solution Designs and As-Built configurations. • Mentor junior AHEAD consultants, sharing your Extrahop knowledge and fostering their technical development.

🎯 Requirements

• 6+ years of hands-on experience with ExtraHop Reveal(x) or Reveal(x) 360 in production environments or similar NDR solutions. • Experience deploying and administering ExtraHop Reveal(x) Enterprise or Reveal(x) 360 • Demonstrated experience deploying and tuning ExtraHop sensors, recordstores, and packetstores, including sizing, retention configuration, and performance troubleshooting • Strong grasp of wire data analysis: L2-L7 protocol behavior (TCP/IP, DNS, HTTP, etc), TLS/SSL decryption • Experience building custom detections, bundles, and dashboards beyond default configurations • Proficient in JavaScript and Python scripting for automation, customization, and workflow optimization • Working knowledge of at least one major SIEM (Splunk, XSIAM, Crowdstrike or equivalent) and experience integrating ExtraHop as a data source • Experienced in proactive threat hunting and incident investigations using the MITRE ATT&CK framework, Cyber Kill Chain, NIST Cybersecurity Framework (CSF), and CIS Critical Security Controls to identify adversary TTPs and strengthen detection and response capabilities. • Experience with cloud traffic mirroring (AWS VPC Traffic Mirroring, Azure vTAP, or GCP Packet Mirroring) is a strong plus • Solid Understanding of network security, cloud environments, Identity, Linux, Mac and Windows. • Strong analytical and troubleshooting capabilities. • Effective communication skills with the ability to engage with clients and Team members. • ExtraHop certification (ECS or equivalent) preferred or relevant industry certifications ( CISSP, CYSA, CEH, Security+, Pentest+, OSCP) are a plus.

🏖️ Benefits

• Medical, Dental, and Vision Insurance • 401(k) • Paid company holidays • Paid time off • Paid parental and caregiver leave • Plus more! See benefits https://www.aheadbenefits.com/ for additional details.