3+ Firewall administration Jobs in Chennai | Firewall administration Job openings in Chennai

As a Network Engineer at Propel, you will play a vital role in designing, implementing, and maintaining our network infrastructure to ensure optimal performance, security, and scalability. You will work closely with cross-functional teams to develop and support network solutions that align with business objectives and industry best practices.

Responsibilities 

• Design, implement, and maintain network infrastructure, including LAN, WAN, and wireless networks, Site to Site and Client to Site VPN to support business operations and growth.

• Develop and implement network security strategies, including firewall policies, intrusion detection and Prevention (IDS/IPS), access control and CCTV systems, to safeguard company data and resources.

• Configure, troubleshoot, and optimize network devices such as routers, switches, firewalls, High availability, L3/L2/PoE Switches and load balancers, QoS.

• Configure VLan and segregate access between different teams

• Perform hardware troubleshoot such as port failure, system crash, hardware failure etc.,

• Design and implement patch panels and cabling

• Monitor network performance and ensure system availability and reliability. Identify areas for improvement, implementing network optimization and redundancy solutions as needed.

• Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations

• Collaborate with other IT teams to evaluate and recommend networking solutions for application and infrastructure projects.

• Implement security tools, policies, and procedures in conjunction with the company’s security team

• Perform network maintenance and system upgrades including service packs, patches, hot fixes, firmware and security configurations

• Monitor system resource utilization, trending, and capacity planning

• Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure.

• Monitor network performance on the availability, utilization, throughput, jitter and latency and test for weaknesses.

• Perform Vulnerability assessment Pen testing at network level and mitigate issues

• Create and maintain network documentation, diagrams, and configurations.

• Knowledge of common security vulnerabilities and OWASP vulnerabilities

• Provide support for critical network incidents on shift basis to support 24x7 model on need basis.

• Exploring automations to integrate for managing networks and provide timely network alerts

• Use ticketing system to document requests, track changes, and explain resolutions

Requirements:

• Bachelor's degree in computer science, Engineering, or a related field.

• 4+ years of experience as a Network Engineer or similar role, with a focus on implementing and managing complex network environments.

• Deep understanding of networking protocols, such as DNS, DHCP, CIDR, IPSEC TCP/IP, BGP, OSPF, and MPLS.

• Proficiency with network hardware, including routers, switches, firewalls, and load balancers from vendors like Fortinet, Cisco etc.,

• Strong knowledge of network security best practices and technologies, such as firewalls, VPNs, and intrusion detection systems.

• Experience with network monitoring and management tools

• Excellent troubleshooting and problem-solving skills and a commitment to continuous improvement.

• Strong communication and collaboration skills, with the ability to work effectively in a fast-paced, agile environment.

Nice-to-Have:  

• Relevant networking certifications, such as CCNP, CCIE, JNCIP, or JNCIE.

• Experience with software-defined networking (SDN) and network automation technologies, such as Ansible, Python, or REST APIs.

Others:

• Common application/ web security and OWASP vulnerabilities

• Encryption algorithms to protect sensitive information

• PII, PCI, HIPPA, and GDPR compliance and how to implement

• Finding the vulnerabilities of the third-party components/ libraries

• Understanding security breaches of data-in-transit and data-at-rest and its implementation

We are hiring candidates who are looking to work in a cloud environment and ready to learn and adapt to the evolving technologies.

Linux Administrator Roles &  Responsibilities:

• 5+ or more years of professional experience with strong working expertise in Agile environments
• Deep knowledge in managing Linux servers.
• Managing Windows servers(Not Mandatory).
• Manage Web servers (Apache, Nginx).
• Manage Application servers.
• Strong background & experience in any one scripting language (Bash, Python)
• Manage firewall rules.
• Perform root cause analysis for production errors.
• Basic administration of MySQL, MSSQL.
• Ready to learn and adapt to business requirements.
• Manage information security controls with best practises and processes.
• Support business requirements beyond working hours.
• Ensuring highest uptimes of the services.
• Monitoring resource usages.

Skills/Requirements

• Bachelor’s Degree or Diploma in Computer Science, Engineering, Software Engineering or a relevant field.
• Experience with Linux-based infrastructures, Linux/Unix administration.
• Knowledge in managing databases such as My SQL, MS SQL.
• Knowledge of scripting languages such as Python, Bash.
• Knowledge in open-source technologies and cloud services like AWS, Azure is a plus. Candidates willing to learn will be preferred.
• Experience in managing web applications.
• Problem-solving attitude.
• 5+ years experience in the IT industry.

• Install and configure software and hardware
• Manage network servers and technology tools
• Set up accounts and workstations
• Monitor performance and maintain systems according to requirements
• Troubleshoot issues and outages
• Ensure security through access controls, backups and firewalls
• Upgrade systems with new releases and models
• Develop expertise to train staff on new technologies
• Build an internal wiki with technical documentation, manuals and IT policies
• Maintain all local software and hardware licensing to ensure conformance.
• Support determination of local and customer needs for yearly budgeting process and request for proposal processes.

• Any B.Tech / BE graduate
• Minimum 3+ years of experience into IT system administration
• A working knowledge of IT operating systems, particularly Windows, IOS
• Hands on experience of installing IT hardware and software
• Strong communication skills

• Proven experience as a System Administrator, Network Administrator or similar role
• Experience with databases, networks (LAN, WAN) and patch management
• Experience with Firewall management
• Handling LAN / WAN networks an coordinating with ISPs
• Working with vendors for purchasing / renting laptops and desktops.
• Knowledge of system security (e.g. intrusion detection systems) and data backup/recovery
• Familiarity with various operating systems and platforms
• Resourcefulness and problem-solving aptitude

Chennai