Senior Network/Systems Administration Analyst at Epsilon | AdTechTalent
Engineering10 days agoHybrid
Epsilon
Senior Network/Systems Administration Analyst
networkingcloudAWSGCPAzureCiscoPalo AltoF5TerraformAnsiblePythonnetwork securityautomationmonitoringincident responsenetwork operationsmulti-cloudnetwork protocolsfirewallsnetwork troubleshootinginfrastructure as codeobservability
Key details
Salary
Not specified
Employment type
Full-time
Seniority
Senior
Years experience
10+
Location
Bengaluru, India
Full job description
Senior Network Administrator responsible for maintaining and supporting global network infrastructure across datacenters and cloud platforms. Key duties include operational support, incident response, troubleshooting, monitoring, configuration management, and collaboration with engineering and security teams. Requires expertise in WAN, routing, switching, firewall technologies, and hybrid multi-cloud environments (AWS, GCP, Azure). Must have strong skills in network protocols, enterprise networking platforms (Cisco, Dell, Arista, F5, Palo Alto), network monitoring tools, and automation frameworks (Terraform, Ansible, Python). Expected to lead incident response, mentor junior staff, and participate in 24x7 on-call rotation. Requires 10+ years experience in large-scale network environments and knowledge of security frameworks (ISO 27001, NIST, PCI DSS). Certifications preferred.
What you'll do
Provide advanced operational support for network services and infrastructure across on-premises and cloud environments
Perform incident response, troubleshooting, and root cause analysis for complex network issues
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Serve as technical escalation point and lead during major incidents
Monitor and maintain network availability, performance, and capacity using enterprise monitoring platforms
Perform configuration management, software upgrades, maintenance, and operational changes following change management processes
Support hybrid and multi-cloud networking technologies using Cisco, Palo Alto, F5, AWS, GCP, Azure
Collaborate with Network Engineering and Delivery teams to transition new services into production
Develop and maintain operational runbooks, knowledge articles, and SOPs
Use automation tools and scripting to improve operational efficiency
Support network monitoring, alerting, and observability platforms
Perform vulnerability remediation and support security initiatives
Participate in disaster recovery testing and operational readiness exercises
Continuously assess and improve operational processes through automation and best practices
Collaborate with multi-functional teams on operational requirements and infrastructure initiatives
Mentor junior administrators and engineers
Participate in 24x7 on-call rotation and provide after-hours support
Requirements
10+ years of experience supporting large-scale, high-performance production network environments
Expertise in WAN and routing topologies, datacenter switching architectures, firewall technologies, and traffic management platforms
Experience supporting secure hybrid multi-cloud environments including AWS, GCP, and Azure networking services
Strong troubleshooting skills across network, operating system, and application layers
Advanced knowledge of networking protocols and technologies including Ethernet (10/40/100/400Gbps), OSPF, BGP, IPSec, DHCP, DNS, SNMP, LACP, IPv6, TCP, and Spanning Tree
Hands-on experience with Cisco Catalyst and Nexus, Dell Force10, Arista, Citrix NetScaler, and F5 BIG-IP
Expertise with Cisco and Palo Alto Networks firewall technologies
Proficiency with network monitoring and management platforms such as SolarWinds, ExtraHop, NetBrain, Panorama, AlgoSec
Experience with cloud networking services including DNS, load balancers, CDNs, VPCs, subnets, security groups, cloud connectivity
Experience using Infrastructure as Code and automation tools like Terraform, Ansible, Python
Good communication and documentation skills
Understanding of security frameworks including ISO 27001, NIST, PCI DSS
Ability to manage multiple priorities and lead incident response
Familiarity with observability platforms, dashboard creation, capacity planning, alerting strategies
Ability to mentor junior team members
Preferred certifications from cloud platforms, Cisco, Palo Alto Networks
Willingness to participate in 24x7 on-call rotation
Opportunities for growth through learning, development and career advancementFlexible work-life balanceCollaborative and people-centric cultureFocus on innovation and cutting-edge solutions
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