Network Engineer

• Hands-on Cisco routing & switching experience;
• CCNA is mandatory.
• Multicast experience would be valuable.
• Location : Mumbai

A Network Engineer is responsible for designing, implementing, and maintaining an organization’s computer networks to ensure reliable connectivity, security, and performance. The role involves configuring routers, switches, firewalls, and other networking equipment, as well as monitoring network activity to prevent downtime and optimize efficiency.

🚨 We're Hiring: Network Engineer 🚨

ZigZag AI is looking for a Network Engineer with 1+ year of hands-on experience to join our team!

What we're looking for:

🔹 Solid working knowledge of Firewalls & Firewall Rules

🔹 Experience with NVR/DVR systems

🔹 Strong understanding of Port Forwarding & NAT

🔹 Good communication skills — both Hindi and English are a must

Compensation: ₹4 LPA

About ZigZag AI:

Zigzag AI is building the future of operational intelligence. Our AI connects to existing cameras and helps businesses understand what is happening on the ground, spot issues early, and take action faster. From shops and bungalows to hotels, factories, and hospitals, Zigzag helps teams run smoother, safer, and smarter operations every day.

This is not just monitoring. This is AI that drives execution.

Trusted by leading clients such as Tata, Birla, Treebo, JP Minda, Philips, and many more.

If you're someone who enjoys solving real-world networking problems and wants to grow with a fast-paced, mission-driven team, we'd love to hear from you!

#Hiring #NetworkEngineer #ITJobs #FirewallEngineer #CCTV #NVR #DVR #JobOpening #ZigZagAI #OperationalIntelligence

Network Engineer – L3

Location: Mumbai | On-site

Experience: 8–10 Years

Key Responsibilities:

• Install, configure, maintain and troubleshoot network & security infrastructure.
• Handle LAN/WAN, BGP, OSPF, HSRP/VRRP, VLAN, STP, SVI & LACP.
• Manage Cisco/Juniper switches, routers and firewalls.
• Work on Fortinet/Checkpoint/Juniper/Cisco firewalls, SD-WAN & ACI-SDN.
• Troubleshoot VPN, NAT, GRE, P-VPN, routing and connectivity issues.
• Monitor network performance using NMS, SNMP & Syslog.
• Coordinate with customers, vendors and TAC teams for issue resolution.
• Support data centre connectivity, network projects and RFP specifications.
• Participate in network upgrades, maintenance and troubleshooting.

Key Skills:

• Strong TCP/IP, IPv4/IPv6, BGP, OSPF, HSRP/VRRP knowledge.
• Hands-on experience with Cisco/Juniper/Mellanox/Dell/Arista.
• Firewall experience with Fortinet/Checkpoint/Cisco/Juniper.
• Experience in Data Centre environments.
• Good communication and troubleshooting skills.
• Willingness to work in shifts, weekends and holidays.

Job Description – Network Engineer (Routing & Switching)

Experience: 7+ Years

Location: Hyderabad

Job Summary

We are looking for an experienced Network Engineer with strong hands-on expertise in Routing, Switching, and network troubleshooting to manage and maintain enterprise network infrastructure.

Key Responsibilities

• Configure, manage, and troubleshoot routers, switches, and network devices.
• Work on routing protocols such as BGP and OSPF.
• Manage LAN/WAN connectivity and resolve network issues.
• Monitor network performance and ensure network availability.
• Troubleshoot connectivity, routing, and switching issues.
• Collaborate with infrastructure and support teams to resolve network incidents.

Mandatory Skills

• 7+ years of experience in Networking.
• Strong hands-on experience in Routing and Switching.
• Knowledge of BGP and OSPF routing protocols.
• Experience with LAN/WAN and network troubleshooting.
• Good understanding of network infrastructure and protocols.

Work Location: Hyderabad

Role Overview

We are looking for an experienced Network Security Engineer to design, implement, maintain, and secure enterprise network infrastructure. The role requires a strong understanding of network security principles, hands-on experience with security technologies, and the ability to troubleshoot complex network and security issues.

The ideal candidate will work closely with network, infrastructure, cloud, application, and security teams to ensure secure, resilient, and highly available network environments. The candidate should be comfortable handling security incidents, performing root-cause analysis, implementing security controls, and contributing to continuous improvement of the organization's network security posture.

Key Responsibilities

• Design, implement, configure, and maintain enterprise network security infrastructure.
• Manage and support network security technologies including firewalls, VPNs, IDS/IPS, secure gateways, and network access controls.
• Configure and maintain security policies, access rules, NAT, VPN tunnels, and related network security controls.
• Monitor network traffic and security events to identify potential threats, anomalies, and unauthorized access.
• Troubleshoot complex network connectivity and security-related issues and perform root-cause analysis.
• Investigate and respond to network security incidents in coordination with security and infrastructure teams.
• Review firewall and network security rules regularly and ensure they follow established security standards and business requirements.
• Support secure connectivity across data centers, corporate networks, remote locations, cloud environments, and third-party networks.
• Participate in network security assessments, vulnerability remediation, and security hardening activities.
• Implement and maintain network segmentation and access-control mechanisms.
• Work with internal teams to assess security requirements for new applications, infrastructure, and network changes.
• Participate in change management, implementation, and post-change validation activities.
• Maintain network security documentation, architecture diagrams, configurations, and operational procedures.
• Contribute to security improvement initiatives, automation, standardization, and operational efficiency.
• Work with vendors and technology partners for issue resolution, upgrades, and technical escalations.
• Ensure network security operations align with organizational policies, industry standards, and compliance requirements.

Required Skills

• Strong experience in network security engineering and enterprise networking.
• Good understanding of TCP/IP, DNS, DHCP, HTTP/HTTPS, routing, switching, VLANs, and network protocols.
• Hands-on experience with enterprise firewalls and security gateways.
• Strong understanding of VPN technologies, IPsec, SSL/TLS, NAT, and access-control policies.
• Experience with IDS/IPS, network monitoring, traffic analysis, and security event investigation.
• Experience troubleshooting network and security issues across complex environments.
• Good understanding of network security architecture, segmentation, and secure connectivity.
• Experience with incident management, change management, and root-cause analysis.
• Familiarity with security best practices, vulnerability management, and network hardening.
• Strong analytical, troubleshooting, and problem-solving skills.
• Good written and verbal communication skills with the ability to work effectively with technical and non-technical stakeholders.

Preferred Skills

• Experience with security technologies from vendors such as Palo Alto, Fortinet, Cisco, Check Point, or similar.
• Exposure to cloud networking and cloud security across AWS, Azure, or GCP.
• Knowledge of Zero Trust, SASE, SD-WAN, or network access control concepts.
• Experience with security monitoring/SIEM platforms.
• Exposure to scripting or automation using Python, PowerShell, or similar technologies.
• Relevant certifications such as CCNA/CCNP Security, PCNSE, Fortinet certifications, or equivalent are an advantage.

Key Competencies

• Network Security Engineering
• Enterprise Network Troubleshooting
• Firewall & VPN Management
• Security Incident Handling
• Network Monitoring & Analysis
• Security Hardening
• Root-Cause Analysis
• Risk & Vulnerability Awareness
• Change & Configuration Management
• Stakeholder Communication
• Problem Solving
• Documentation & Process Discipline

Job Summary:

We are looking for an experienced Senior Network Engineer with strong hands-on expertise in Cisco Routing & Switching and Core Networking. The role involves providing technical leadership, coordinating network engineering initiatives, improving network reliability, and supporting strategic projects across Branch Data Access and Standalone ATM network infrastructure.

Key Responsibilities:

• Provide technical leadership and operational coordination for network engineering initiatives related to Branch Data Access and Standalone ATM products.
• Support strategic network projects, including planning, implementation, and delivery of key initiatives.
• Oversee the Book of Work (BoW) related to Branch Data Access and Standalone ATM products.
• Collaborate with ATM Banking, Network Engineering, Implementation teams, and external service providers such as Verizon and AT&T.
• Analyze complex network engineering challenges and contribute to effective troubleshooting and resolution.
• Drive initiatives to reduce operational risks and improve network performance, stability, and service reliability.
• Coordinate with cross-functional stakeholders and vendors to ensure smooth project execution.
• Mentor junior engineers and support knowledge sharing within the team.
• Contribute to network strategy, governance, compliance, and continuous operational improvement.

Required Skills:

• Strong experience in Cisco Routing & Switching.
• Solid understanding of Core Networking concepts.
• Experience in network engineering, implementation, and troubleshooting.
• Experience coordinating network projects and working with cross-functional teams.
• Strong communication, stakeholder management, and problem-solving skills.

Cloud Network Engineer – Job Description

Location: Hyderabad

Experience: 6.5+ Years

Role: Cloud Network Engineer

Job Summary

We are looking for an experienced Cloud Network Engineer with strong expertise in AWS or Azure networking and hands-on experience in LAN/WAN infrastructure, network troubleshooting, and cloud connectivity.

Key Responsibilities

• Design, implement, and support cloud networking infrastructure across AWS or Azure.
• Manage and troubleshoot LAN, WAN, VPN, routing, switching, and network connectivity issues.
• Configure and manage VPC/VNet, subnets, route tables, security groups, and network ACLs.
• Monitor network performance, identify bottlenecks, and resolve connectivity issues.
• Work with firewalls, load balancers, DNS, DHCP, TCP/IP, and VPN technologies.
• Support connectivity between on-premises data centers and cloud environments.
• Perform root-cause analysis and troubleshoot complex network incidents.
• Collaborate with cloud, infrastructure, security, and application teams for network requirements.
• Maintain network documentation, configurations, and operational procedures.

Must-Have Skills

• 6.5+ years of experience in Network Engineering.
• Strong hands-on experience in AWS or Azure Networking.
• Good knowledge of LAN/WAN, TCP/IP, routing, and switching.
• Strong network troubleshooting and problem-solving skills.
• Experience with VPN, DNS, DHCP, firewalls, and load balancing.
• Experience with cloud-to-on-premises connectivity.
• Good understanding of network security concepts.

Work Location: Hyderabad.

Position Title: Network Operations Center (NOC) Analyst

Experience Required: 3+ Years

Working Mode: Remote

Preferred Location: Hyderabad / Bangalore / Chennai

Shift Timing: Rotational Shifts (US Timings)

About the Role

We are looking for a proactive and technically strong NOC Analyst to support MSP clients' enterprise network infrastructure. The ideal candidate should have hands-on experience in network monitoring, monitoring tool administration, incident management, basic network troubleshooting, documentation, and coordination with ISP, Field Engineers, and customers while ensuring maximum network availability and SLA compliance.

Mandatory Requirements

·       Strong communication skills with customers and technical teams.

·       Minimum 3+ years of experience in Enterprise NOC / Network Operations.

·       Experience working in 24×7 rotational shift environments.

·       Good understanding of Enterprise Network Monitoring and ITIL-based Incident Management.

·       MSP environment experience.&ITIL Foundation certification.

·       Exposure to AWS/Azure networking is an added advantage.

·       Valid CCNA Certification.( Preferred )

Technical Skills Required

Networking: TCP/IP, DNS, DHCP, Subnetting, IPv4 Addressing, LAN/WAN, VPN

Routing & Switching: Basic troubleshooting of OSPF, BGP; good understanding of VLAN, STP and Trunking

Monitoring Protocols: SNMP, Syslog, NetFlow, Telemetry

Monitoring Tools: SolarWinds, LogicMonitor, Auvik, PRTG, Zabbix, Nagios, ManageEngine

Ticketing Tools: ServiceNow, ConnectWise, Jira, Zendesk

Basic Knowledge: Windows Server, Linux, Network Devices, Firewall Concepts

Key Responsibilities

Network Monitoring

·       Monitor enterprise network infrastructure using monitoring platforms.

·       Integrate and onboard new network devices/nodes into monitoring tools.

·       Configure and maintain monitoring templates, thresholds, and alert profiles.

·       Ensure continuous availability of monitored infrastructure.

Incident Management

·       Monitor alerts and incidents generated from monitoring platforms.

·       Perform ticket triaging, categorization and prioritization.

·       Perform Level-1 and basic Level-2 network troubleshooting.

·       Escalate incidents appropriately and ensure SLA compliance.

Network Troubleshooting

·       Basic troubleshooting of OSPF, BGP, Routing & Switching.

·       Troubleshoot DNS, DHCP, TCP/IP, LAN/WAN, VPN and network reachability.

·       Perform subnet calculations and IP addressing validation.

Monitoring Protocols

·       Hands-on knowledge of SNMP, Syslog, NetFlow and Telemetry.

·       Understand device discovery, performance monitoring, fault monitoring and alert generation.

Coordination & Documentation

·       Coordinate with Field Engineers, ISP providers, Client Technical Teams and internal L2/L3 teams.

·       Track incidents until complete resolution.

·       Prepare RCA, SOP, Incident Reports, Shift Handover Documents, Knowledge Base Articles and Weekly/Monthly Operational Reports.

Educational Qualification

Bachelor's Degree in Computer Science, Information Technology, Electronics, or a related field.

Notice Period

Immediate Joiners / Short Notice Candidates Preferred.

- **Client Engagement:** Collaborate with clients to understand their business needs and technical requirements. Provide expert guidance and support throughout the project lifecycle.

- **Network Management:** Design, implement, and maintain NTRX network solutions, ensuring optimal performance and reliability. Troubleshoot and resolve network issues in a timely manner.

- **Database Support:** Utilize SQL to manage, query, and analyze data as needed, ensuring that clients’ databases are functioning efficiently and effectively.

- **Cloud Support:** Assist clients with cloud deployment and support services, helping them to migrate their systems to the cloud and optimize their cloud infrastructure.

- **Documentation:** Create and maintain comprehensive documentation for configurations, implementations, and support processes to ensure knowledge transfer within the team and to clients.

- **Training & Development:** Provide training and support to clients and team members on NTRX solutions and best practices.

- **Continuous Improvement:** Stay current with industry trends and emerging technologies within networking and cloud services to enhance service offerings and promote innovation.

**Required Skills:**

- **Networking Expertise:** Strong knowledge of networking concepts, protocols, and technologies. Experience with troubleshooting and optimizing network performance is a must.

- **SQL Proficiency:** Ability to write, read, and optimize SQL queries, with a robust understanding of relational databases.

- **Cloud Support Skills:** Familiarity with cloud vendor platforms (AWS, Azure, Google Cloud, etc.) and experience in providing cloud-based solutions and support.

- **Problem-Solving Abilities:** Strong analytical and problem-solving skills with the ability to think critically and execute on multiple tasks efficiently.

- **Communication Skills:** Excellent verbal and written communication skills, with the ability to convey technical information to non-technical stakeholders.

**Qualifications:**

- Bachelor’s degree in Computer Science, Information Technology, or a related field.

- 3+ years of experience in networking or IT support, with a focus on professional services or client-facing roles preferred.

- Relevant certifications (such as CCNA, AWS Certified Solutions Architect, etc.) are a plus.