Network Security Engineer at Watsoo Express · Mumbai · 10 - 30 years · ₹25L - ₹40L / yr · Profitable · Posted 18 Mar 2025
Network Security Engineer – 10+ Years of Experience
(Males & Immediate Joiners only)
Mandatory Skills:
- 10+ years of experience in network security with a strong focus on data center security, cloud security, and container security.
- In-depth knowledge of firewalls, intrusion detection/prevention systems (IDS/IPS), and other security tools like anti-virus and endpoint protection.
- Experience with cloud security solutions and securing cloud-native applications.
- Strong experience with vulnerability management, penetration testing, and disaster recovery planning.
- Advanced knowledge of network protocols, network security design, and defense against common attack vectors (e.g., DDoS, SQL injection, phishing).
- Familiarity with security frameworks such as NIST, ISO 27001, and other relevant security standards.
- Excellent analytical, problem-solving, and critical thinking skills, with a strong attention to detail.
- Strong communication and interpersonal skills, with the ability to train staff and consult with management on security matters.
We are looking for an experienced Network Security Engineer with 8+ years of experience in managing and securing network infrastructures, including data center and cloud security solutions, as well as container security. If you have a strong background in firewall solutions, vulnerability management, and a passion for securing modern IT environments, this role is for you!
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Role Purpose:
As a Network Security Engineer, you will be responsible for ensuring the security, integrity, and confidentiality of the organization's network and systems. You will focus on installing, administering, and troubleshooting network security solutions, working with a variety of security tools and platforms, including firewalls, cloud security, containers, and endpoint protection.
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Key Responsibilities:
Security Solutions Management:
- Install, configure, and administer network security solutions, including firewalls and cloud security tools.
- Update software and firmware for network security systems with the latest security patches, ensuring defenses are up-to-date.
- Configure and support security systems such as firewalls, anti-virus software, and intrusion detection/prevention systems.
- Implement container security solutions to secure applications and services in cloud environments.
Vulnerability & Penetration Testing:
- Conduct vulnerability assessments and penetration testing to identify potential threats and vulnerabilities.
- Develop and implement disaster recovery plans to mitigate the impact of potential security breaches.
- Monitor network traffic for signs of suspicious activity, perform threat analysis, and recommend improvements to reduce risk.
Security Policy & Access Control:
- Create and enforce network security policies, including access controls, authorization roles, and defenses against unauthorized access, modifications, and data destruction.
- Ensure network resources are properly configured to defend against unauthorized or malicious activities.
- Provide expert advice and support to staff, managers, and executives on security best practices.
Security Monitoring & Incident Response:
- Actively monitor network and application traffic for suspicious behavior and respond to potential security incidents.
- Identify, analyze, and respond to security breaches, providing clear documentation and resolution strategies.
- Ensure the effectiveness of security controls and defenses by reviewing security alerts and incidents.
Training & Consultation:
- Train staff and end-users on security protocols and best practices to raise awareness and reduce human error.
- Provide technical consultations and guidance on improving security measures across all departments.
- Offer continuous education on new threats and security solutions to enhance overall organizational security posture.
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Shubham Vishwakarma
Full Stack Developer - Averlon
About Watsoo Express
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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
🚨 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!
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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 Summary
We are looking for an experienced Network Engineer with strong hands-on expertise in enterprise networking, cloud networking, network security, routing, switching, and troubleshooting. The candidate will be responsible for designing, implementing, maintaining, and optimizing secure and highly available network infrastructure across on-premises and cloud environments.
Key Responsibilities
- Design, configure, and manage enterprise network infrastructure, including routers, switches, firewalls and load balancers.
- Configure and troubleshoot routing protocols such as BGP, OSPF and static routing.
- Manage LAN, WAN, VLANs, VPNs, subnets, NAT, DNS and DHCP.
- Implement and support cloud networking across AWS and Azure, including VPC, VNet, route tables, Network Security Groups (NSGs), security groups and private endpoints.
- Configure site-to-site VPNs, remote-access VPNs, AWS Direct Connect and Azure ExpressRoute.
- Troubleshoot network connectivity, latency, packet loss, MTU issues and routing problems.
- Monitor network performance, availability and capacity using network monitoring tools.
- Implement network security policies, firewall rules, access controls and segmentation.
- Support hybrid cloud connectivity and on-premises-to-cloud network migration.
- Collaborate with infrastructure, cloud, security and application teams to resolve network incidents.
- Perform root cause analysis (RCA), document network configurations and maintain operational runbooks.
- Support change management, disaster recovery and high-availability requirements
PythonJob Summary
We are looking for an experienced Network Engineer with strong expertise in network security, firewall administration, Check Point, Juniper SRX, routing protocols, and Python scripting. The candidate will be responsible for managing, configuring, troubleshooting, and optimizing enterprise network infrastructure while ensuring secure and reliable connectivity.
Key Responsibilities
- Configure, manage, and troubleshoot enterprise network devices, firewalls, and security appliances.
- Administer and maintain Check Point firewalls, including security policies, NAT rules, VPNs, and access control.
- Manage Juniper SRX firewalls, including security zones, policies, NAT, IPsec VPNs, and threat prevention.
- Implement and troubleshoot routing protocols such as BGP, OSPF, EIGRP, and static routing.
- Perform network troubleshooting related to connectivity, packet loss, latency, routing, and firewall traffic.
- Configure and maintain site-to-site VPNs and remote-access VPN solutions.
- Monitor network performance, analyze traffic logs, and investigate security incidents.
- Perform firewall rule reviews, configuration backups, software upgrades, and security patching.
- Develop Python scripts to automate network configuration, monitoring, reporting, and routine operational tasks.
- Work with network monitoring tools, packet analyzers, and logging platforms to identify and resolve network issues.
- Participate in incident management, root cause analysis (RCA), change management, and network maintenance activities.
- Maintain network documentation, configuration standards, and operational runbooks.
Job Summary:
We are looking for an experienced Network Engineer with , Check Point firewalls, network security, and routing protocols. The ideal candidate should have experience in network troubleshooting, firewall configuration, security policy management, and maintaining reliable network infrastructure.
Key Responsibilities:
- Work on Check Point firewall administration, security policies, and rule management.
- Configure and maintain firewall policies, NAT, VPNs, and access control rules.
- Troubleshoot network connectivity issues and firewall-related incidents.
- Implement and support routing protocols such as BGP, OSPF, and static routing.
- Monitor network performance, investigate network issues, and ensure network availability.
- Perform firewall upgrades, configuration backups, and security policy reviews.
- Work on network security, incident resolution, and root cause analysis.
- Coordinate with network, security, and infrastructure teams to resolve technical issues.
Mandatory Skills:
- Network Engineering and troubleshooting
- Check Point Firewall
- Routing Protocols (BGP, OSPF, Static Routing)
- Firewall configuration and security policy management
Secondary Skills:
- Python scripting and network automation
- VPN, NAT, and network security
- Firewall monitoring and troubleshooting
- Incident management and root cause analysis
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.
Job Description
Education Qualification
Label Value Education Qualification Engineer - B.E / B.Tech / MCA
Skills
Primary -> Technology | WAN/LAN/Security | 4 - Advanced
Primary -> Technology | Cisco | 4 - Advanced
Primary -> Technology | Palo alto | 4 - Advanced
Primary -> Technology | Fortinet | 4 - Advanced
Primary -> Technology | Meraki | 4 - Advanced
Secondary -> Technology | Zscaler | 4 - Advanced
Tertiary -> Technology | Cloud Networking | 4 -
Advanced Certification Technology | NSE4 | PCNSE | CCNP | ECMS1 | ZIA/ZPA - Admin | AZ-900/AWS solutions architect (associate)
Contract - 6 Months
Experience - 10-12 years
Qualifications
- 8+ years of relevant technical I.T. infrastructure or operations experience.
- Experience with, and ability to design, deploy, manage, and troubleshoot wireless & wired network equipment and protocols in a medium-large campus environment.
- In-depth knowledge in WAN transport systems/services, Telecommunications systems/service, LAN switch technology (including Spanning tree, VTP domain management), routing protocols (EIGRP, OSPF, BGP4), Software-Defined technology (SD-WAN).
- Proven ability to manage a multi-vendor WAN, multi-protocol routing, including but not limited to NHRP, EIGRP, BPG4, OSPF and RIPv2.
- Strong hands-on experience on Fortinet SD-WAN, Forti Switch/AP, Forti-Manager, Forti-Analyzer, Fortinet Firewalls.
- Hands-on experience on Switching, Wireless, Firewall and Load balancer technologies (Any OEM).
- Demonstrated ability to manage multiple projects in an efficient manner.
- Proven experience of LAN/WAN/Security design & implementation experience; completing projects wing2wing from planning>design>implementation.
- Work with project managers and other teams to achieve project deadlines.
- Demonstrated excellence in communications, presentation and customer focus skills.
- Certified in Fortinet NSE4 or higher.
Deliverables
- Understand / discuss solution with customer and internal technical teams.
- Take ownership of HLDs and LLDs for SDWAN implementations.
- Build customer relationships to gain a deep understanding of business and technical requirements.
- Implementation of solutions and achieve successful implementation within proposed Project timelines.
- Provide customers with technical guidance that is based on strong technical skills and informed by the customer’s needs.
- Help leads with process improvement – like pre-approved change template creation, effective implementation of internal processes.
- Act as technical mediator between Solutions Team, Product team to review new product implementation guides.
Amazon Web Services (AWS)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.
Technical / Behavioral-
- Working experience on Juniper SRX Firewalls and Checkpoint Firewalls
- working experience on Routing Protocols: BGP, OSPF, VPNs, Switching and STP, VX LAN
- Coding Knowledge on Python and Ansible
- Troubleshoot issues related to the network and Security environment.
- Experience with ITIL and Project Management.
- Ability to work in a team environment.
- Strong knowledge on IPS/IDS, Packet Capture Analysis.
- Communication and presentation skills.
- Documentation of complex technologies and topologies based on based practices.
- Experience with Wireshark packet captures.
- Experience in Automation, Python and Ansible
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon