L3 Network Engineer Job at Infinity Labs India (Noida)

L3 Network Engineer

L3 Network Engineer role at Hewlett Packard Enterprise providing expert-level su...

Location

India , Bangalore

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Good understanding of the Networking (Routing and switching) across multivendor solutions
Industry Experience 5-8 years in managing the aspects of remote delivery in the professional services delivery
In-depth knowledge of Aruba Network switches, features, and functionalities
Strong understanding of LAN and WAN networking protocols and technologies, including switching, routing and security
Hands-on experience with Aruba Central, Security Service Edge (SSE), and ClearPass
Experience in troubleshooting in a technical environment
Excellent analytical and problem-solving skills
Software and hardware knowledge of Vmware, computing and storage
Well recognized industry certification beneficial, ACMX, CCNP, Firewall preferred
Strong communication skills

Job Responsibility

Provide expert-level support for complex network issues
Collaborate with cross-functional teams to resolve problems promptly
Perform initial diagnosis and basic troubleshooting of port connectivity issues, link flaps, device status
Coordinate with vendors or OEM TAC for RMA or known issue identification
Support routine tasks such as patch management, backups, and firmware checks
Assist in maintaining physical network infrastructure
Stay updated on Aruba OS-CX CLI basics
Lead resolution activities with escalated customers
Help in root cause analysis of defects/issues and facilitate product release/roll-out
Work closely with development teams to identify and resolve problems

What we offer

Health & Wellbeing benefits
Personal & Professional Development programs
Comprehensive suite of benefits supporting physical, financial and emotional wellbeing
Career development programs
Inclusive work environment

Fulltime

L3 Network Engineer & Msp Support Engineer

We seek an experienced L3 Network & MSP Support Engineer to provide advanced tec...

Location

Salary:

Not provided

Zazz

Expiration Date

Until further notice

Requirements

Strong OSI model understanding
Ability to troubleshoot routing (BGP, OSPF), switching (VLAN, STP), and firewall (Cisco ASA, Palo Alto, Fortinet) issues
Understand WAN/VPN technologies, WiFi, DNS/DHCP
Familiar with network monitoring tools (PRTG, Datadog, Splunk)
Hands-on AWS and Azure experience troubleshooting real-world issues
Understand VPC/VNet, EC2/VM, security groups/NSGs, IAM basics
Experience with hybrid connectivity (Direct Connect, ExpressRoute)
Support experience with Exchange Online, SharePoint, Teams
Troubleshoot Intune device enrollment and policies
Support Entra ID authentication issues, conditional access, MFA

Job Responsibility

Own complex P1/P2 tickets escalated from L1/L2 teams
Troubleshoot and resolve network, cloud, identity, and security issues
Provide accurate technical documentation for each ticket
Meet and exceed SLA response/resolution times
Escalate appropriately when needed
Diagnose and resolve routing, switching, firewall, VPN, and WiFi connectivity issues
Troubleshoot WAN performance and site-to-site connectivity
Support DNS/DHCP problems
Resolve network-related client outages
Troubleshoot AWS and Azure connectivity and configuration issues

Fulltime

Network Engineer L3 SME

The Network Engineer L3 SME role requires over 10 years of experience in Cisco R...

Location

Mexico , Guadalajara

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Minimum 10+ years of experience in Routing & Switching
Strong proficiency in network performance monitoring and troubleshooting techniques
Fair understanding of service provider routing and switching technologies (LDP, RSVP, MPLS, MP-BGP)
Solid knowledge of network-related hardware and software
Foundational experience with Cisco Wireless LAN Controllers (WLCs) including 5500, and 9800 WLC models
Bachelor's degree or equivalent education/experience
Willingness to work night shifts as required

Job Responsibility

Plan, implement, and maintain networked systems, including configuration management, troubleshooting network issues, and coordinating with vendors for installations of network hardware such as Arista, Fortinet, Cisco, and Aruba routers & switches, wireless controllers, and circuits
Conduct in-depth technical analysis of software, hardware, and network systems, with a focus on Fortinet SDWAN, LAN/WAN communications, network nodes, routers, and switches
Serve as a technical liaison with vendors and customers, ensuring smooth resolution of network-related concerns
Apply advanced knowledge of WAN/LAN and internet protocols to troubleshoot existing network issues, implement new solutions, and manage migration projects
Provide on-call support for high-severity issues and facilitate change requests outside of business hours as required

Fulltime

Network Engineer L3

The Network Engineer L3 position requires over 8 years of experience in managing...

Location

India , Mumbai, Maharashtra

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Over 8 years of experience in managing complex network infrastructures, including LAN, WAN, and cloud networking
Strong hands-on experience with Cisco ACI and SDWAN solutions
Relevant certifications like CCNP
Graduate degree in Science or Engineering is preferred

Job Responsibility

Configuring network solutions
Ensuring security
Collaborating with teams on network projects

L3 Network Support Engineer

The L3 Network Support Engineer at NTT DATA is responsible for resolving complex...

Location

Czechia , Prague

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Fluent in English, with excellent stakeholder communication and leadership skills
Strong hands-on experience with multiple technologies, including: Cisco, Fortinet, Palo Alto Networks (including Prisma Access and SASE)
F5 (LTM, GTM, ASM)
NetApp (advanced storage integration and troubleshooting)
SD-WAN solutions (e.g., Cisco Viptela, Fortinet SD-WAN, Prisma SD-WAN)
Deep understanding of networking protocols (BGP, OSPF, NAT, VPN)
Experience with monitoring and ticketing tools (e.g., SecureCRT, LogicMonitor, ServiceNow)
Relevant certifications such as CCNP, PCNSE, Fortinet NSE 5+, or F5 Certified
A degree in IT/Computing or equivalent professional experience

Job Responsibility

Lead resolution of high-impact incidents and perform deep-dive troubleshooting
Conduct root cause analysis and implement permanent fixes
Design and execute complex changes and upgrades with minimal disruption
Act as a technical escalation point for L1 and L2 teams
Collaborate with clients, CoE teams, and automation engineers to improve service delivery
Lead disaster recovery planning and execution
Maintain high-quality documentation, knowledge articles, and operational procedures
Analyze trends and proactively identify areas for improvement

What we offer

Education to the extent of agreement with the immediate supervisor
5 weeks of vacation
3 Sick-days per Year
Compensation of salary for temporary incapacity to work beyond the statutory wage compensation in the amount of the fixed basic salary for temporary absence to 21 days per year
Notebook and mobile phone including data tariff according to company standards
Contribution to the pension insurance or Long term investment product
Specified budget with regards to the predefined benefits packages (Premium health care / Benefits Cafeteria System / Multisport card)
Refreshment in the office (coffee, tea, water) for free

Fulltime

Network L3 Support Engineer

We are looking for an experienced Network L3 Support Engineer to join our team i...

Location

Canada , Montreal

Salary:

115000.00 USD / Year

Realign

Expiration Date

Until further notice

Requirements

Strong experience in enterprise networking (routing & switching)
Knowledge of TCP/IP, BGP, OSPF, VLAN, STP, VPN technologies
Experience with Cisco / Juniper / Aruba network devices
Hands-on experience with network monitoring and troubleshooting tools
Understanding of network security concepts and firewall technologies
Strong analytical and problem-solving skills

Job Responsibility

Provide Level 3 support for complex network incidents and problems
Troubleshoot and resolve issues related to LAN, WAN, routing, switching, VPN, and firewall technologies
Perform root cause analysis and implement permanent fixes for recurring network issues
Monitor network performance and ensure optimal uptime and reliability
Work closely with NOC, L1/L2 teams, and infrastructure teams to resolve escalated issues
Manage network devices such as routers, switches, firewalls, and load balancers
Implement network configuration changes and upgrades following change management processes
Document troubleshooting steps, network configurations, and operational procedures
Participate in on-call rotation for critical network incidents

Fulltime

Network Security Engineer L3

The Network Security Engineer L3 is an advanced engineering role, responsible fo...

Location

Czechia , Prague

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Bachelor's degree or equivalent in Information Technology or Computing or related field
Professional level Certification in any of the different Networking Technologies like Cisco, Juniper, Checkpoint, PaloAlto, Fortinet, Aruba, BlueCoat, ZeeScaler 5 such as CCNP, JNCIS, ACCP, PCNSE, CCSE etc
English: Fluent (Mandatory)
Dutch: Fluent (Mandatory)
Seasoned experience in Security technologies such as Firewall, IPS, IDS, Proxy etc
Seasoned experience in technical support to clients
Seasoned experience in diagnosis and troubleshooting
Seasoned experience providing remote support in Security technologies
Seasoned experience in relevant technology
Knowledge of technical documentation

Job Responsibility

Maintains the support process and ensures that requests for support are handled according to the procedures
Identifies and resolves problems following agreed procedures
Carries out agreed maintenance tasks
Ensures usage of knowledge articles in incident diagnosis and resolution and assist with updating as and when required
Performs defined tasks to monitor service delivery against service level agreements and maintains records of relevant information
Analyzes service records against agreed service levels regularly to identify actions required to maintain or improve levels of service, and initiates or reports these actions
Prioritizes and diagnoses incidents according to agreed procedures
Investigates causes of incidents and seeks resolution
Escalates unresolved incidents and follow up until incident is resolved
Provides service recovery, following resolution of incidents

Fulltime

Server Load Balancer Engineer (L3)

The SLB & GSLB L3 Engineer is a senior subject matter expert responsible for the...

Location

India , Pune

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

BE/B-Tech/BCA or master’s degree in CS/IT
CCNP (R&S) + OEM F5 Certified Technical Specialist (F5-CTS) (2 certifications)
6-8 years’ relevant experience
F5 BIG-IP (LTM, ASM),(HTTP/HTTPS, REST APIs),(OWASP Top 10, DDoS)
Expert-level, hands-on experience with F5 BIG-IP (LTM, GTM) or Citrix NetScaler

Job Responsibility

Design, implement, and maintain F5 BIG-IP solutions, including LTM for SLB and GTM for GSLB, adhering to industry best practices
Act as the Level 3 escalation point for complex F5 and application-related issues
Perform advanced configuration tasks such as creating and modifying virtual servers, pools, health monitors, profiles, and iRules
Plan and execute software upgrades, patches, and hotfixes for F5 BIG-IP appliances
Conduct performance analysis and capacity planning for the F5 infrastructure
Expertise in implementing global server load balancing (GSLB), familiarity with WebSocket and gRPC protocols
Work closely with application development, network, and security teams
Maintain network and security architecture diagram and LLD and HLD for each solution
Provide suggestions for enhancements/changes
Analyze incidents independently and identify root cause

Fulltime

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L3 Network Engineer

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