Senior Network Engineer

Job Description - Senior Consultant Network Engineer

Job Description

The Network Infrastrcture Architect plays a lead role in the delivery of projects and programmes driving the IT strategic change. A key contributor to the design and implementation of the solution ensuring that IT systems meet the required high standards in the areas of non-functional requirements particularly availability, capacity, performance, security and BCP. This role will be responsible for ensuring all Corporate-related solutions delivered are engineered in accordance with the infrastructure standards/patterns and align to the overall enterprise roadmap of the end customer.
The role is expected to carry out following function/activities as part of this job. This is exhaustive list but not limited to :

• Work closely with business management to determine business process and productivity needs and an appropriate technology strategy to support business goals.
• Triaging business problems and requests, taking decisions on whether to route these into either elaboration or delivery projects/programmes
• Analyze technical needs, requirements, and state of the network's infrastructure design, integration, and operations.
• Decomposing business problems and mapping them to strategic technology architectures
• Design, deploy, and manage ACI fabrics.
• Automate network provisioning and policy enforcement.
• Troubleshoot and optimize ACI environments effectively
• Producing or providing input into Line of Business roadmaps
• Producing strategic Technology Target State elaboration roadmaps
• Identifying strategic technology opportunities and canvasing business support
• Technical leadership of customer projects and oversee solution implementation
• Product selection and capability testing for specific technology and versions
• Proactively review customer solutions and propose improvements and strategic direction, anticipating client goals
• Develop design principles, models, plans, internal standards, budgets, and processes based on industry best practices.
• Lead teams of other network designers and engineers in developing detailed designs and quality-control mechanisms during implementation.
• Establish governing principles for network design and deployment.
• Participate in selection of networking technologies and products for implementation
• Continually update understanding of business and technology status and objectives and respond to strategic design requests as the business evolves
• Building strong partnership relationships with customers through presales and thought leadership activities
• Managing vendors and suppliers
• Promoting common delivery standards and processes
• Developing white papers and presentations at industry related conferences
• Experience of using automation tools and technologies for build and deployment
• Performance planning, measurement and impact assessment
• Creating , Updaing Highlevel and Low Level Design documents
• Provide help to operations team in complex troubleshooting requirements
• Manage Client relationships and perform ServiceDelivery activities..

Technical Expertise Area

All Job function will require to be demonstrated in following specialised area of IT Infrastructure

Mandatory

• Understanding of OSI Model, IP Protocol suites and Quality of Service.
• Understanding of IPv4 & IPv6 IP address planning and implementations.
• Product experience in Cisco,Juniper,F5,Riverbed,Cisco Nexus.
• Network - WAN/LAN/WLAN/MAN/MPLS/VPN and data communications technologies.
• Expertise in Routing and switching protocols - BGP, EIGRP, OSPF,HSRP,VRRP,LDP,RSVP, STP, RSTP, MSTP,Multicast,Policy based routing
• TCP/IP packet analysis
• Experience in complex MPLS/BGP WAN design and implementation
• Data Center Virtualization-Architecture and Design Capabilities,Product Expertise in CISCO NEXUS 7000, 1000V, OTV,Consolidated I/O, Fibre Channel
• Understanding on Managing Switches/Routers/Load blanacers/WAN Optimizers.
• Advanced Knowledge of Routing, Switching,WAN Optimization and Load balalncing
• Understanding of advanced network technologies and solutions including IPv6, MPLs, BGP, EIGRP, OSPF, HSRP, multicast, policy-based routing, ether-channel, QoS, traffic-shaping, Load balancing, VPN tunnels, WAN Optimization.
• Clear understanding of 802.11a/b/g/n Wi-Fi standards and related components
• Excellent Knowledge on Wireless Controller and Access Points implementation and troubleshooting including setup/configure wireless network (controller / Access points)
• Design, plan, establish, and optimize wireless networks.
• Develop wireless network infrastructures and make recommendations on systems enhancements for optimization.
• Knowledge of Cisco Nexus 5k,7k and 9k and Riverbed steelhead CX,DX and EX series.
• Experties in BIGIP F5 (LTM and GTM)
• Load Balancing, including priority group activation and connection limits. Persistence concepts
• BIG-IP GTM: Global Traffic Manager - Installation and Licensing, Accelerated and Intellegent DNS Resolutions, LDNS Probes and Metrics, DNSSEC, iRules, Synchronization, DNS Integration, iHealth
• BIG-IP LTM: Local Traffic Manager - licensing, provisioning, network configuration, local traffic configuration, Dynamic load balancing methods, Traffic processing through virtual servers/ SNATs, Configuring high availability, Traffic behavior modifications with profiles
• Advanced BIG-IP LTM configurations - VLAN tagging and trunking, SNMP features and packet filters
• Configure Cisco Nexus 7k 5k series
• Configure ASA firewalls, Cisco Next-Gen firewalls experience, MPLS, F5 expertise.
• Deep understanding SDWAN technology,involving design, implementation and troubleshooting Experience.
• Develop scalable and resilient SD-WAN architectures to optimize network performance.
• Lead the deployment and configuration of Cisco SD-WAN appliances and controllers.
• Implement routing policies, quality of service (QoS), and security measures within the SD-WAN infrastructure.
• Better understanding of TLOC configuration and DIA traffic flow.

Preferred

• Knowledge of JUNOS/Juniper Platform is highly preferred.
• Good understanding of Juniper Q-Fabric Operation & Design.
• Advanced knowledge of Juniper VPN gateway's Operation & Design
• Juniper/Cisco Integration
• Understanding of various tools like , SOlarwinds , ServiceNow etc .
• Netwrok Services Delivery

Experience/Skill requirements

This section describes the applicants required experience, skills set and knowledge about various products in the functional expertise area

• A thorough understanding of architectural design principles.
• Years of experience: 8 years plus of working experience in IT infrastrcture Design and Architecture functions
• Knowledge of managing data centre in terms of systems monitoring, capacity planning and performance tuning.
• Ability to operate in a fast-paced, evolving environment and appropriately prioritize tasks, and keep abreast of the latest technology.
• Capability to work with people in different time zones
• Technical knowledge and experience in management of large enterprise customers network
• An individual contributor capable of self-directed work showing strong leadership and client relationship skills and who is focused on driving the complete network project.
• Excellent oral and written English communication skills, Customers handling and stakeholer management skills.
• Strong experience in implementing and supporting networks for mid-to-large corporate customers.
• Proven ability to work collaboratively with designers, architects, sales staff, field technicians and external customers.
• Knowledge of current technological trends and developments in the areas of advance networking
• Exposure on Cisco/Juniper/Riverbed/F5 technologies and Data Center Networks.
• Ability to influence, persuade and mobilize internal/external resources to fulfill customer requirements.
• Demonstrated ability to build strong & effective customer relationships.
• Well organized and able to do multi-tasking, problem solving, trouble shooting techniques and strategic thinking.
• Analytical skills to interpret IT user requests and understand end user requirements.
• Solid knowledge of the IT Service Management framework, practices, and process experience in Information Technology.
• Service Delivery tasks , like , reporting , customer relationship , SLA management etc.

Education Qualification

• Bachelor's Degree in Engineering. Number of years of experience may vary based on Bachelors or Master's Degree. Any additional education will be added advantage.

Certifications

• CCIE/CCDE/CCAr,JNCDS-DC,JNCDS-WAN, F5-CA,F5-CTS,F5-CSE,Riverbed

Client-provided location(s): Perth, Australia

Job ID: Infosys-144571BR

Employment Type: OTHER

Posted: 2026-03-19T18:39:36