The Senior Network & Security Engineer is responsible for the secure, reliable operation and continuous improvement of the enterprise network and security platforms across on‐premises, data centre, cloud, and branch environments. The role serves as the Tier3 escalation point and technical authority for routing, switching, firewalls, wireless, SD‐WAN, and application delivery technologies. It involves owning critical platforms end‐to‐end, leading incident response, and driving improvements aligned with HCF cyber security standards and regulatory requirements.
Key Responsibilities
* Own and operate HCF's enterprise network and security platforms across on‐prem, data centre, cloud, and branch environments.
* Provide Tier3 support for complex incidents, including incident leadership, root cause analysis, and remediation.
* Maintain and update network systems, including lifecycle management, upgrades, and vulnerability mitigation.
* Act as a technical authority for network availability, performance, segmentation, and secure traffic flows.
* Configure and optimise firewall policies, threat prevention, and traffic inspection.
* Support cloud and hybrid networking, with a strong focus on AWS networking.
* Apply cyber risk management practices aligned with NIST, CISM principles, and HCF standards.
* Collaborate independently with vendors and service providers to deliver reliable, secure outcomes.
* Mentor junior engineers and uplift engineering practices.
* Maintain clear documentation, standards, runbooks, and operational procedures.
Essential Skills
* 8+ years' experience in senior network and security engineering roles within large enterprise or regulated environments.
* Strong hands‐on experience with Cisco (Routing, Switching, ACI, DC, Wireless, ISE), Palo Alto, SD‐WAN, Infoblox, and F5/NGINX.
* Strong experience working on enterprise networks and managing complex environments.
* Proven experience designing and operating AWS networking, including VPCs, Transit Gateway, and security controls.
* Understanding of hybrid cloud (AWS and Azure) networking concepts.
* Experience with network automation and monitoring tools.
* Scripting skills using Python and/or PowerShell; understanding of IaC (Terraform, CI/CD).
* Strong understanding of network security, vulnerability management, and compliance.
* Excellent problem‐solving, handling escalations, and stakeholder communication skills.
* Relevant certifications (e.g. CCNP, PCNSE, AWS Solutions Architect).
Desirable Experience
* Experience with Security Service Edge (SSE) and Zero Trust architectures.
* Background in healthcare or financial services.
Benefits
* Flexible working arrangements.
* 50% subsidy on HCF hospital and/or extras cover.
* Family‐friendly certified employer.
* 18 weeks of parental leave for all new parents.
* Mental health and wellbeing programs, including workshops, fitness classes, flu vaccinations, and skin checks.
* Discounts on HCF products, including life, pet and travel insurance, as well as discounts at Fitness First gyms and on eyecare products.
* Emphasis on collaboration and inclusivity.
* Continuous learning and growth opportunities.
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