Senior Network Security Engineer
Location: Sydney / Melbourne
Years of Experience Required: 7+ years
Responsibilities
* Serve as the SME and design authority for end‐to‐end systems and processes throughout their lifecycle.
* Ensure solutions align with product and technology roadmaps and leverage emerging technologies.
* Translate complex architectures and business requirements into actionable platform‐specific designs.
* Deliver high‐quality end‐to‐end systems, integrating multiple technologies and resolving component‐level issues.
* Set expectations, drive change, and negotiate effectively across diverse business environments.
* Oversee vendor performance and delivery with support from vendor management teams.
* Identify risks and issues, recommend mitigations, and manage contingency plans to closure.
* Plan for system capacity, performance, and availability; manage budgets and drive cost reduction through simplification and new technology.
* Stay updated on emerging technologies and contribute to organizational knowledge and process improvement.
* Follow all relevant standards and processes, ensuring deliverables meet quality benchmarks.
* Work on incident and problem tickets, identify root causes, implement permanent fixes, and participate in on‐call rotations.
* Demonstrate proven ability to author platform documentation, business requirement definitions, requirement documentation, support documentation, technical standards, architectural deliverables, operational processes, change management processes, familiarity with the ORC process, and understanding of security operations principles such as incident management, problem management, and on‐call support.
Qualifications
* Experience with Netskope, ZTNA, Illumio, micro‐segmentation, firewalling, routing, switching, IPS/IDS.
* Strong understanding of Cisco FTD, firewalls, VPNs, proxy gateways.
* Knowledge of security protocols: IP, TCP, UDP, IPsec, SSL, HTTP/S, FTP, SSH.
* Familiar with BGP (multiple VRs/VRFs), VLANs, MPLS, VPLS.
* Expertise in SDN and NFV concepts.
* Understanding of cloud security across Azure, GCP, and AWS.
* Proficient in virtualization (VMware) and cloud (AWS, GCP, Azure) solutions.
* Knowledge of VMware products: vCloud, vSphere, vCenter, vRealize Operations, Horizon View, VSAN, NSX.
* Experience with datacenter standards, design, integration, and troubleshooting, including data centre planning, monitoring/alarming, and backup processes.
Benefits
We offer a highly competitive salary package aligned with the Australian market, complemented by performance‐based incentives, recognition programs, and comprehensive employee benefits.
At TCS, you'll work with leading Australian enterprises across diverse industries while collaborating with our global network of experts, accessing world‐class practices, transformative technologies, and the chance to shape solutions with local and global impact.
Our leadership team is committed to helping you succeed; we encourage initiative, reward innovation, and provide a collaborative environment where your ideas are heard and valued.
We believe in careers, not just jobs. With continuous learning, certification support, career mobility, and clear progression pathways, TCS empowers you to grow and evolve — whether you want to deepen your expertise, explore new domains, or take on leadership roles.
Diversity, inclusion, and respect are central to who we are. At TCS Australia, you'll join a workplace where collaboration thrives, individuality is valued, and everyone can contribute to meaningful outcomes.
We invest heavily in your development, offering structured learning programs, global certifications, leadership development, and opportunities to work with emerging technologies. You'll be part of an environment that constantly challenges and expands your capabilities.
Equal Opportunity Employer
TCS is an equal‐opportunity employer. All qualified applicants will be considered without regard to race, colour, religion, gender, gender identity, sexual orientation, national origin, disability, veteran status, or any other characteristic protected by applicable law.
Note
Compensation details are accurate as of this posting and may be adjusted in line with Australian laws and market conditions. Applicants may be asked to attend interviews in person or via video conference and present valid identification during the process.
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