Senior Technical Consultant – Network Security

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🕒 May 20

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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

• Lead firewall, network access control, and SASE engagements across diverse enterprise environments. • Design and deploy Cisco Secure Firewall Threat Defense (FTD) and Palo Alto Networks next-generation firewalls. • Configure and manage Cisco Identity Services Engine (ISE) for 802.1X wired and wireless authentication. • Implement SASE and Zero Trust architectures covering remote user, branch office, and cloud workload connectivity use cases. • Conduct discovery sessions and architecture reviews to guide firewall, NAC, and SASE strategies for compliance and business objectives.

🎯 Requirements

• 7+ years of network security, infrastructure security, or security engineering experience, with at least 3 years in a consulting, professional services, or client-facing delivery role. • Demonstrated hands-on experience designing and deploying Cisco Secure Firewall (FTD/FMC) and Palo Alto Networks NGFW (PAN-OS/Panorama) in enterprise production environments. • Production experience deploying Cisco ISE for 802.1X authentication, TACACS+ device administration, and network access policy enforcement across wired, wireless, and VPN environments. • Production experience with at least one SASE platform (Zscaler ZIA/ZPA, Palo Alto Prisma Access, Cisco Secure Access, or Netskope) including SWG, CASB, and ZTNA configuration. • Strong understanding of routing protocols (BGP, OSPF, EIGRP), VPN technologies (IPsec, SSL/TLS), network segmentation, and Zero Trust architecture principles. • Experience with cloud platforms (AWS VPC, Azure VNet, GCP VPC) including security groups, network firewalls, and hybrid connectivity architectures. • Experience with identity and access management platforms (Okta, Microsoft Entra ID, SAML 2.0, SCIM) and their integration with firewall, NAC, and SASE solutions. • Experience integrating security platforms with SIEM (Splunk, Microsoft Sentinel), syslog infrastructure, and automation tools (Terraform, Ansible) for centralized visibility and repeatable deployments.

🏖️ 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.