Network Engineer

Excellent opportunity for Network Engineer to be part of our Cloud Infrastructure & Security services practice. Cognizant Infrastructure Services – Provides IT infrastructure & Cloud services for clients across industry verticals, including both Consulting/Professional and Managed Services, across Enterprise Computing, Cloud services, Security Services, DevOps, Data Centres, End User Computing, Service Desk, Network Services and Environment Management Services.

Key Responsibilities

• Monitor and own network tickets raised by the NOC into Network Technology team.
• Build, maintain and continuously enhance or observability toolset at scale.
• Support creation of HLD/LLD’s of the monitoring infrastructure in accordance with well-architected frameworks.
• Implement automation processes for monitoring tools/scripts including build and deployment as directed by the Senior Network Engineers.
• Deliver end-to-end data ingestion and processing using OpenSearch/Elastic Stack.
• Product evaluation based on cost, efficiency, fitness for purpose.
• Contribute to network orchestration and automation solutions including inventory reconciliation, workflow automation and network configuration validation.
• Support Senior Network Engineers in designing, testing and implementing full automation of building and maintaining Access infrastructure supporting ISP networks at scale.
• Maintaining knowledge of current and future information security threats and challenges.
• Perform troubleshooting, troubleshoot issues efficiently while effectively communicating escalations and outcomes.
• Network aptitude. The skill to take a new technology, research it, test it in the lab and deploy it live.
• Support the senior network engineer with significant projects including design, development, integration and deployment
• Working closely with support, Delivery, NOC and Network Engineering teams to develop an effective monitoring that cover all requirements from operations and L1/L2/L3/L4 teams.
• Deliver end-to-end data ingestion and processing using OpenSearch/Elastic Stack.
• Contribute to network orchestration and automation solutions including inventory reconciliation, workflow automation and network configuration validation.
• Manage aggregates, rollups and retention policies for the collected metrics.
• Generate Capacity and Incident management reports.
• Supporting Operations in their patching schedules, and acting as an escalation point
• Be part of the on-call 3rd line technical support team and rota

Qualifications and Experience

Must have:

• The Engineer should have a minimum of 5 years of experience working in a network and systems environment.
• Advanced understanding of Linux.
• Configuration Management Systems – Puppet / Ansible
• Source Control – GitLab
• Scripting Python, Java
• Experience with both cloud and physical infrastructure: Proxmox, VMware, AWS
• Application and network security best practices – SSH / Iptables / TLS
• Experience implementing technologies with a focus on operability, reliability, and scalability.
• Network configuration and Administration – Adtran, Nokia etc.
• Data Analysis, Json, XML, SQL, Wireshark
• IP Network Troubleshooting
• Grafana, Zabbix, Ansible, Cacti, Zenoss, Netcool, iManager, Nagios, Splunk, SNMP, FreeRADIUS
• Remote Desktop/Telnet and SSH, Console Access, Management Networks
• Excellent understanding of telecommunications industry practices, standards, and regulatory requirements.
• Understanding of industry standard availability metrics, e.g. MTBF, MTTR, SLA, SLO, OLA.
• Knowledge of network monitoring protocols.
• Experience creating dashboards and weather maps with Grafana.
• Hands-on experience with automation and orchestration tools such as Ansible, Terraform and Puppet.
• Experience using version control systems, e.g. Git.
• Excellent communication and interpersonal skills, with the ability to engage with stakeholders at various levels.
• Ability to work independently and collaboratively in a fast-paced environment.
• Strong analytical and problem-solving skills, with the ability to assess complex OSS challenges and propose effective solutions.
• Keen to learn new technologies.

Nice to have:

• Familiarity with SIEM, detect security threats and event correlation is a plus.