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
1. Monitor and own network tickets raised by the NOC into Network Technology team.
2. Build, maintain and continuously enhance or observability toolset at scale.
3. Support creation of HLD/LLD’s of the monitoring infrastructure in accordance with well-architected frameworks.
4. Implement automation processes for monitoring tools/scripts including build and deployment as directed by the Senior Network Engineers.
5. Deliver end-to-end data ingestion and processing using OpenSearch/Elastic Stack.
6. Product evaluation based on cost, efficiency, fitness for purpose.
7. Contribute to network orchestration and automation solutions including inventory reconciliation, workflow automation and network configuration validation.
8. Support Senior Network Engineers in designing, testing and implementing full automation of building and maintaining Access infrastructure supporting ISP networks at scale.
9. Maintaining knowledge of current and future information security threats and challenges.
10. Perform troubleshooting, troubleshoot issues efficiently while effectively communicating escalations and outcomes.
11. Network aptitude. The skill to take a new technology, research it, test it in the lab and deploy it live.
12. Support the senior network engineer with significant projects including design, development, integration and deployment.
13. Working closely with support, Delivery, NOC and Network Engineering teams to develop an effective monitoring that covers all requirements from operations and L1/L2/L3/L4 teams.
14. Manage aggregates, rollups and retention policies for the collected metrics.
15. Generate Capacity and Incident management reports.
16. Supporting Operations in their patching schedules, and acting as an escalation point.
17. Be part of the on-call 3rd line technical support team and rota.
Qualifications and Experience
Must have:
1. The Engineer should have a minimum of 5 years of experience working in a network and systems environment.
2. Advanced understanding of Linux.
3. Configuration Management Systems – Puppet / Ansible.
4. Source Control – GitLab.
5. Scripting Python, Java.
6. Experience with both cloud and physical infrastructure: Proxmox, VMware, AWS.
7. Application and network security best practices – SSH / Iptables / TLS.
8. Experience implementing technologies with a focus on operability, reliability, and scalability.
9. Network configuration and Administration – Adtran, Nokia etc.
10. Data Analysis, Json, XML, SQL, Wireshark.
11. IP Network Troubleshooting.
12. Grafana, Zabbix, Ansible, Cacti, Zenoss, Netcool, iManager, Nagios, Splunk, SNMP, FreeRADIUS.
13. Remote Desktop/Telnet and SSH, Console Access, Management Networks.
14. Excellent understanding of telecommunications industry practices, standards, and regulatory requirements.
15. Understanding of industry standard availability metrics, e.g. MTBF, MTTR, SLA, SLO, OLA.
16. Knowledge of network monitoring protocols.
17. Experience creating dashboards and weather maps with Grafana.
18. Hands-on experience with automation and orchestration tools such as Ansible, Terraform and Puppet.
19. Experience using version control systems, e.g. Git.
20. Excellent communication and interpersonal skills, with the ability to engage with stakeholders at various levels.
21. Ability to work independently and collaboratively in a fast-paced environment.
22. Strong analytical and problem-solving skills, with the ability to assess complex OSS challenges and propose effective solutions.
23. Keen to learn new technologies.
Nice to have:
1. Familiarity with SIEM, detect security threats and event correlation is a plus.
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