Hiring for Senior / Principal IP Networks & Security Architect

Location- Sydney

Position- Permanent

Description-

Description

Job Title: Senior / Principal IP Networks & Security Architect

Experience: 10–15 years

Role Overview

We are seeking a highly experienced IP Networks & Security Architect to lead the design, evolution, and governance of large-scale service provider networks. This role is focused on advanced routing architectures, MPLS-based services, and security frameworks within mobile operator environments.

The ideal candidate will bring deep expertise in eBGP, L3VPN, and edge security, with hands-on experience across multi-vendor ecosystems.

Key Responsibilities:

Design and architect scalable IP/MPLS networks supporting mobile core, aggregation, and edge environments.

Develop and optimize routing strategies using eBGP, iBGP, OSPF/IS-IS, and advanced traffic engineering techniques.

Architect and maintain MPLS services including L3VPN, L2VPN, and segment routing (preferred).

Lead the integration of IP networks with mobile packet core (4G/5G), including Gi/SGi/N6 interfaces.

Define and implement network security architecture, including edge firewall placement, segmentation, and policy control.

Evaluate and integrate firewall solutions (Fortinet, Check Point, Cisco) into service provider environments.

Drive high availability and resiliency designs (fast convergence, redundancy models, failure domains).

Provide technical leadership for network transformation initiatives, including virtualization and cloud integration.





Collaborate with operations, engineering, and vendors for deployment, troubleshooting, and optimization.

Produce high- and low-level design documentation (HLD/LLD), standards, and architectural guidelines.

Required Skills & Experience:

10–15 years in IP networking, with significant experience in service provider or mobile operator environments.

Strong expertise in:

eBGP (multi-homing, route policies, scaling, convergence tuning)

MPLS (L3VPN, LDP, RSVP-TE, Segment Routing preferred)

Core routing protocols (IS-IS, OSPF)

Deep understanding of mobile network architectures (4G EPC, 5G Core) and IP transport integration.

Proven experience with edge security design and firewall technologies.

Hands-on experience with at least two of the following vendors:

Cisco (ASR, NCS, Nexus)

Nokia (7750 SR, 7250 IXR)

Fortinet (FortiGate)

Check Point

Solid knowledge of high availability, redundancy models, and traffic engineering.

Experience with network automation or programmability (Python, Ansible, APIs) is advantageous.

Preferred Qualifications

Experience with cloud networking (AWS, Azure, or private cloud integration).

Familiarity with SDN/NFV architectures.

Relevant certifications (e.g., CCIE, JNCIE, Nokia SRA, NSE, CCSP).

Exposure to DDoS protection, CGNAT, or internet edge architectures.

Note- Must have valid Australian work Authorization.

Interested candidates can Apply or share updated CV on or can reach me on < 61> <283 195 538>.

Regards

Purnima

📌 Senior / Principal IP Networks & Security Architect (Sydney)
🏢 CareCone Group
📍 Sydney