Hire the best Network Security Engineers in Chennai, IN
Check out Network Security Engineers in Chennai, IN with the skills you need for your next job.
- $45 hourly
- 4.8/5
- (93 jobs)
✔ Expert in Fortigate, Sonicwall, Sophos, pfSense, OPNSense, Cisco, Meraki, Unifi, VPN etc. 🥇 100% JSS & Positive Feedback ☑️ 12+ Years Experience ☑️ 90+ Projects Delivered ⭐️Top Rated Plus ☑️ 85% Long-Term Client ➤ Full Time Freelance Consultant and Engineer (Full-time) with a background as a Senior Information Specialist. ➤ Vast experience working in MSP, Enterprise environment 🏦. Served 90+ projects in Upwork for clients around World 🌎. ➤ Your one-stop solution for comprehensive IT Network and Security services. My expertise includes the design, implementation, and management of office infrastructure (routers, switches, Wi-Fi, servers, NAS, printers) and security systems (firewalls, CCTV, biometric), along with RCA troubleshooting, security implementation, and enhancement. ➤ I have successfully done multiple Network and Firewall Migration with proper planning and documentation. ➤ Well versed in configuring and managing Firewall security appliances. Which includes firewall rules, VPN, IDS/IPS, Web Filter etc. Ensuring optimal security and performance. ➤ Prepare and maintain detailed documentation of network configurations, security policies, and standard operating procedures. 🥈SKILLS AND EXPERIENCES: ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: ✅ Firewall & VPN Fortigate Firewall all Range, FortiManager, FortiAnalyser, FortiAP, FortiSwitch, FortiClient EMS. Sophos Firewall all Range, Sophos Switch, Sophos Access Point, Intercept x Endpoint Protection. SonicWall Firewall all Range, SonicWall Switch , SonicWave Wireless Access Point, Endpoint Security. Cisco Meraki Firewall, Switch & Access Point Unifi Firewall, Gateway & EdgeMax, Switch, Access Point, Unifi Protect, Unifi Access. Open-Source Firewall - PfSense; Opnsense; Zenarmor; Firewall VPN - IPSec site to site; Remote access VPN- SSL/L2TP/PPTP; OpenVPN; WireGuard deployment. ✅ Cloud Technologies AWS Virtual Network & VPN. Azure Virtual Network & VPN. Cloud Firewall: Fortigate; Pfsense ; OpenVPN. Cloudflare Domain & DNS Management, Access. Cisco Umbrella Perimeter 81 ✅ Routing Routers Handled: Cisco Router SMB & ISR series Advance Routing Protocol Design- OSPF, EIGRP, and BGP. Redistribution. NAT, Policy-based Routing, QoS, Traffic shaping. ISP load balance and performance routing. ✅ Switching Switch Handled : Cisco Switch- CBS Models; Catalyst Models; Cisco Meraki MS Switches and Fortigate switches. Aruba Switch and Unifi Switches. STP, VLAN, Trunk. Link Aggregation (PAGP, LACP). First Hop Redundancy Protocol (HSRP, VRRP) Switch security & Switch Stacking. ✅ Server and Services Windows Domain Controller, DNS , DHCP, IIS, RDP & File server. Storage Server: Synology NAS & TrueNAS; RAID Technology. Surveillance, Door Access solution etc. Endpoint Solution with Sophos intercept X , Forti-EMS Protection. ✅ Network & Protocol Stack Wireshark Packet Analysis. Troubleshoot LAN/WAN/Application level issue. Perform RCA with report. Capturing and deep Analyzing of Network packets using Tcpdump etc. Handle tools in Kali Linux for scanning port, analyze web traffic, VAPT. 📜 Certifications: ::::::::::::::::::::::::::::::::::: Cisco Certified Network Associate - Routing and Switching (CCNA Routing and Switching) Cisco Certified Network Professional - Routing and Switching (CCNP Routing and Switching) Cisco Certified Network Professional - Security (CCNP Security ) Cisco Cisco Meraki Solutions Specialist Fortigate Network Security Professional (NSE 4) Fortigate Network Security Architecture (NSE 7) Sophos Firewall Architect Sophos Central Endpoint and Server Architect SonicWall Network Security Administrator SonicWall Network Security Professional 👁🗨Your Trusted Network Security Expert: :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Leveraging my extensive experience and high-level skills in network security, my ability to rapidly adopt new technologies ensures I stay ahead of the curve, offering a full suite of freelance services to fortify your digital infrastructure and protect your valuable data. 💬 Please connect with me via Upwork chat to discuss your specific requirements.. Thanks 🙏 ------------------------------------------------------------------------ #Network #Security #Fortigate #VPN #SDWAN #Cisco #Pfsense #Sonicwall #Unifi #Meraki #AWS #Fortinet #Firewall #Cloud #VPC #Network Architecture #IPS #Malware Protection #NGFW #ZTNA #SASE #CASB #Cloudflare #Zero Trust #Perimeter 81 #Active Directory #Security Consultant #Sophos #Wifi #Switch #Storage Server #Synology NAS #TrueNAS #RAID --------------------------------------------------------------------------
Network Security
SonicWallCisco MerakiFortinetUbiquitiFortiGate FirewallMicrosoft VisioNetwork AdministrationPfSenseNetwork DesignAmazon Virtual Private CloudCheck PointCisco ASAFirewallVPN - $85 hourly
- 0.0/5
- (0 jobs)
Professional Summary Highly motivated and diverse networking/cybersecurity professional with 14 years of experience in safeguarding digital assets, systems, and networks from security threats. Seeking a challenging and rewarding opportunity in Cloud Security CSA role where I can prove myself for the growth of the Organization as well as my career. Profile: * Performed in multiple roles as Technical Manager, Principal Architect, Cloud Consultant, Lead Engineer across diverse Digital Modernization, IT Transformation, and IT Roadmaps in various Organization. * Worked on Scrum and Agile Methodology under various organizations. * 8 years in Cloud Advisory & Strategy, 5 Years of experience with Network Build & Migration.
Network Security
Solution Architecture ConsultationCloud Security - $20 hourly
- 0.0/5
- (2 jobs)
Security Analyst with 5+ years of experience in performing VAPT on web applications, Android Apps, System hacking, Network Security, Infrastruture Security, Cloud Security, etc.
Network Security
Security FrameworkInformation SecurityCloud SecurityGDPR Compliance ReviewHIPAAWeb App Penetration TestingPenetration TestingSOC 3SOC 2SOC 1Cybersecurity ManagementNIST Cybersecurity FrameworkEthical HackingGame Testing - $15 hourly
- 0.0/5
- (0 jobs)
I break into systems (ethically, of course) and build secure ones too! 5 ️ ️️ With a passion for ethical hacking, AI-driven security, and full-stack development, I love exploring how AI can outsmart cyber threats while making life easier for defenders. ️ Currently sharpening my skills in threat analysis, pentesting, and generative AI, because why stop at protecting systems when you can also teach AI to do some of the heavy lifting? ️ Always open to collaborations, internships, and mentorshipswhether it's securing digital assets, innovating with AI, or just discussing the latest cyber heist (again, ethical!). Let's connect and build something awesome!
Network Security
Machine Learning ModelMachine LearningEthical HackingArtificial IntelligenceFront-End Development - $15 hourly
- 0.0/5
- (0 jobs)
Demonstrating initiative and expertise in cybersecurity, led the design and implementation of a state-of-the-art cyber lab for Red Team training. Fostering a collaborative environment, I collab with IT and security experts to seamlessly integrate cutting-edge technologies and strong security measures. Additionally, I facilitated workshops that significantly improved the team's cybersecurity defense skills.
Network Security
Vulnerability AssessmentKali LinuxOpenVASMetasploitCryptographyWiresharkCybersecurity ToolPenetration Testing - $12 hourly
- 0.0/5
- (0 jobs)
As a highly motivated and experienced cybersecurity analyst, I have a passion for protecting sensitive information and systems from potential threats. With extensive knowledge in network security, threat intelligence, and incident response, I have a proven track record of identifying and mitigating security risks for organizations of all sizes. I am skilled in utilizing cutting-edge security technologies and staying up-to-date on the latest industry trends and advancements. My ability to effectively communicate complex technical concepts to both technical and non-technical stakeholders has made me a valuable asset in interdisciplinary teams. I am dedicated to continuing my professional growth and making a positive impact in the field of cybersecurity. - Ranked as Top 1st Security Researcher at Transloadit in 2021 - Ranked as Top 1st Security Researcher at Transloadit in 2022 - Ranked as Top 9th Security Researcher at Cloudflare in 2022 - Ranked as Top 5th Security Researcher at Navirefi in 2022 - Awarded "Burning the midnight oil" by hackerone worldwide for reporting critical bugs in 2022. - Recognized as a "Budding Star" by EY in 2022 for consistently reporting critical bugs and contributing to the improvement of software security and client engagements. - Listed Among Top 100 Hackers WorldWide on Cystack in 2021. - Acknowledged by Microsoft, Apple, Synack, Nokia, Hackerearth, Hackerrank,Lemiapp, Inflectra, Riipen, Proctoria, NCIIPC, HackupTechnologies, AWS, Crunchbase, Stessa and 50+ organizations.
Network Security
TestingCloud ComputingSecurity AnalysisBetter Mobile Security BetterWeb ApplicationLinux System AdministrationOWASPCloud SecurityWeb Application SecurityCybersecurity Management - $6 hourly
- 0.0/5
- (0 jobs)
I'm an IT and cybersecurity enthusiast with hands-on experience in Linux system support, basic penetration testing, and network troubleshooting. I’ve worked with tools like Kali Linux, Wireshark, and Nmap, and practiced labs on TryHackMe and PortSwigger Academy. I can help you with: Linux system issues and support Basic vulnerability assessments Network scanning and reporting Technical troubleshooting I read, speak, and write English at an intermediate level, and always aim to deliver clear and professional communication.
Network Security
Security AnalysisCybersecurity MonitoringPenetration TestingTechnical SupportLinuxComputer BasicsTypingData Entry - $7 hourly
- 0.0/5
- (0 jobs)
Mujbur Rahman S 💻 Penetration Tester | Web Security Expert | Bug Bounty Hunter ⭐ 1.5+ months of hands-on experience in security testing 🔹 What I Do Best: Web Application Security Testing (DAST, OWASP Top 10) Penetration Testing (Burp Suite, Nmap, Kali Linux) Bug Bounty Hunting ( Bugcrowd) Security Audits & Vulnerability Assessments Insecure Session Management Exploitation Advanced Security Bypass Techniques 🔹 Why Work With Me? ✅ Thorough security analysis – I don’t just find vulnerabilities, I document and explain them in detail. ✅ Hands-on experience – I’ve worked on real-world security testing projects, including HRMS applications. ✅ Continuous Learning – I stay updated with the latest exploits and bypass techniques. ✅ Clear, professional reporting – You’ll get a detailed vulnerability report with proof of concepts (POC). 🔹 Tools I Use: 🔹 Burp Suite 🔹 Nmap 🔹 SQLmap 🔹 Metasploit 🔹 OWASP ZAP 🔹 Hydra 🔹 Dirb/Dirbuster 🔹 Wazuh 🔹 Docker 🔹 VirtualBox/Kali 🔹 Let's Secure Your Application! Regular communication is important to me—let’s connect and discuss how I can help secure your website or application. 💬 Let’s Chat!
Network Security
System AdministrationNetwork EngineeringInformation SecurityNetwork AdministrationNetwork MonitoringFirewallNetwork Access ControlIT Asset ManagementBlack Box TestingWhite Box TestingSecurity TestingSoftware QAQuality AssuranceSoftware Testing Want to browse more freelancers?
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