Wireless Security Engineers để thuê
Hiện 11 kết quả
Các Freelancer được bảo trợ
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acsaneibogdan97 acsaneibogdan97
$55 USD / giờ
Sr. Network & Security Engineer| CCNP, NSE5, PCNSERomaniaCertified CCNP | NSE5 | PCNSE with 4+ years of experience securing enterprise networks. I specialize in firewalls, VPNs, and network troubleshooting with Cisco, Fortinet, and Palo Alto – ensuring uptime, performance, and security. How I Can Help You: • Secure your network against threats using robust firewall and VPN...Certified CCNP | NSE5 | PCNSE with 4+ years of experience securing enterprise networks. I specialize in firewalls, VPNs, and network troubleshooting with Cisco, Fortinet, and Palo Alto – ensuring uptime, performance, and security. How I Can Help You: • Secure your network against threats using robust firewall and VPN solutions • Optimize network performance for critical business applications • Implement resilient network architectures with redundancy and failover • Troubleshoot and resolve network outages rapidly to minimize downtime. Core Skills: • VPNs: IPsec, SSL, L2TP, PPTP, OpenVPN (secure remote access) • Routing & Switching: BGP, OSPF, VLANs, EtherChannel, HSRP, VRRP, STP, VTP • Firewalls & Security: Cisco ASA, Firepower, Fortigate, Palo Alto, pfSense, SonicWall, Ubiquiti, OPNSense • Wireless: Cisco, Ubiquiti, Aruba, Fortinet, and Ruckus APs Certifications: • Cisco: CCNP Enterprise, CCNP Security, CCNA CyberOps, CCNA • Fortinet: NSE4, NSE5 • Palo Alto: PCNSA, PCNSE • Juniper: JCIA • Aruba: ACMA (Mobility), ACSA (Switching) Hands-On Experience: • Cisco: ISR 1000, 4000, ASR 1000, Nexus 9200, 9300, 9500, SG- 300, SG-350, SG-500 ASA 5505, 5506-x • Cisco Umbrella, Meraki, FMC, FTD, Duo, AMP for Networks • Wireless Solutions: Cisco 9100 series APs, Ubiquiti APs, Aruba 635 APs, Fortinet and Ruckus APs for enterprise Wi-Fi solutions • Palo Alto: PA-400 series, PA-800 series, PA-1400 series, PA-VM, Panorama • Fortigate: 40F, 60F, 80F, 100F. • Juniper: EX2300, EX3400, EX4300 • HPE: Procurve 2650 and 2910 • Aruba: 8325, 6200F • SonicWall • pfSense, OPNSense, CheckPoint, TP-Link, Fritzbox Let’s secure and optimize your network together. Send me a message – I would love to help you! ít hơn
Thuê acsaneibogdan97
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Android Studio, Kiểm thử API, Hacking đạo đức có chứng nhận, Chuyên gia An ninh Hệ thống Thông tin được Chứng nhận (CISSP), An ninh máy tínhI am Sr. Security Analyst experienced in the cybersecurity domain, currently serving as a lead in my organization.I specialize in multi-tasking and end-to-end vulnerability management-Identifying, Assessing, and Remediating security issues from pre-production to production deployment Across diverse domains in my...I am Sr. Security Analyst experienced in the cybersecurity domain, currently serving as a lead in my organization.I specialize in multi-tasking and end-to-end vulnerability management-Identifying, Assessing, and Remediating security issues from pre-production to production deployment Across diverse domains in my career such as Healthcare, E-Commerce, BFSI, Education, Telecom, Banking, Insurance, OTT platforms, Job Portals, Shipping, and Transportation related and etc..Applications. My expertise spans manual and automated Vulnerability Assessment and Penetration Testing (VAPT) for web, API'S, Mobile(Android & iOS), and network environments, leveraging tools like Burp Suite, Nessus, OWASP ZAP, Postman, Metasploit, SQLMap, and Kali Linux and etc..., while applying CVSS scoring to evaluate risks. I have strong experience in coordinating with SDLC lifecycle cross-functional teams in both service-based and product-based companies, conducting secure code review training for developers based on OWASP Top 10, and leading quarterly security audits for internal and external stakeholders. In my role, I not only ensure timely vulnerability remediation and deployment verification and also present detailed security reports, checklists, and audit findings to clients and senior management, driving a culture of proactive security across the organization. Core Security Skills: * Vulnerability Assessment and Penetration Testing (VAPT) * Web application security testing * Mobile security testing (Android & iOS) * Network security testing * Secure Code Review (based on OWASP Top 10) * CVSS risk scoring * Security audits (internal & external) * Endpoint Security and Vulnerability management (identification, assessment, remediation, verification) Processes Methodologies: * End-to-end vulnerability management lifecycle * SDLC security integration awareness * Security reporting & documentation (reports, checklists, audit findings) * Training & awareness (conducting developer training) projects & Audits-domain Exposure: * Healthcare * E-Commerce * BFSI (Banking, Financial Services, Insurance) * Education * Telecom * OTT platforms * Job portals * Shipping & Transportation * Music Tools &Technologies: * Burp Suite * Nessus * OWASP ZAP * Postman * Metasploit * SQLMap * Kali Linux * Mobisf * Android studio * Dex2jar * Other DAST & SAST Tools and it's Frameworks etc... Soft & Leadership Skills: * Cross-functional team collaboration * Multi-tasking in security operations * Stakeholder management (clients, senior management, external auditors) * Leadership in security ít hơn
Thuê jayachandrra
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Helping organizations secure their cloud infrastructure and optimize their multi-cloud strategies. I provide end-to-end cloud security services from comprehensive audits to hands-on implementation across AWS, Microsoft Azure, and Google Cloud Platform.Helping organizations secure their cloud infrastructure and optimize their multi-cloud strategies. I provide end-to-end cloud security services from comprehensive audits to hands-on implementation across AWS, Microsoft Azure, and Google Cloud Platform. ít hơn
Thuê ss4net2
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Chuyên gia An ninh Hệ thống Thông tin được Chứng nhận (CISSP), An ninh Đám mây, An ninh máy tính, Bảo vệ dữ liệu, Pháp Y SốAt Petadot, we are a next-generation cybersecurity and IT security solutions provider focused on protecting organizations from evolving digital threats. Our mission is to empower businesses with proactive, intelligent, and scalable security — keeping their data, users, and infrastructure safe 24/7. We specialize in...At Petadot, we are a next-generation cybersecurity and IT security solutions provider focused on protecting organizations from evolving digital threats. Our mission is to empower businesses with proactive, intelligent, and scalable security — keeping their data, users, and infrastructure safe 24/7. We specialize in end-to-end cybersecurity services, including: 🛡️ WVS (Web Vulnerability Scanning) – Identify, analyze, and mitigate web-based vulnerabilities before attackers exploit them. 🔍 VAPT (Vulnerability Assessment & Penetration Testing) – Comprehensive manual and automated security testing to strengthen your system defenses. 🕵️ SOC (Security Operations Center) & MDR (Managed Detection & Response) – 24/7 threat monitoring, incident detection, and real-time response powered by expert analysts. ⚙️ DFIR (Digital Forensics & Incident Response) – Rapid investigation, evidence collection, and recovery from cyber incidents to minimize business impact. 📱 MDM (Mobile Device Management) Solutions – Centralized control for mobile endpoints, ensuring secure and compliant device usage across organizations. 🚫 Anti-Phishing & Anti-Rogue Solutions – Proactive measures to block phishing campaigns, fake domains, and rogue access points before they cause harm. 🔒 DLP (Data Loss Prevention) – Safeguard sensitive data from leaks, theft, or unauthorized transfers through intelligent policy enforcement. With a perfect blend of cutting-edge technology and experienced cybersecurity professionals, Petadot helps organizations stay resilient in a threat-driven digital landscape. Whether it’s a small business or an enterprise, we tailor our solutions to match your unique security needs. Let’s secure your digital world — one layer at a time. 🚀 ít hơn
Thuê Petadot
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✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 11 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Unifi Enterprise Fortress Gateway, Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅Cisco, Tp-Link, Aruba, Fortinet, Ubiquiti, Planet, Huwei switch configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean, Contabo ✅Hyper-V, VMware ESXi, VMware Workstation, VirtualBox, KVM, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration , Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python ✅Overlay Networks VPN Expertise: Proficient in configuring and managing various overlay network VPNs, including ZeroTier, Tailscale, WireGuard, SoftEther VPN, Netbird , Netmaker, OpenVPN Cloud, I, Twingate and PeerVPN for secure, scalable, and decentralized networking, enabling seamless remote access, team collaboration, and encrypted communications across distributed systems. ✅Cisco Duo: MFA, 2FA, SSO, Identity Security Integration, Windows Logon, RDP, Microsoft AD, VPN Authentication. ít hơn
Thuê touhidecevw
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As a passionate Cyber Engineer, I bring a deep commitment to safeguarding and optimizing IT infrastructures. With years of hands-on experience, I specialize in Linux server administration, network security, and cutting-edge cybersecurity practices. I'm driven by the challenge of designing and maintaining systems that...As a passionate Cyber Engineer, I bring a deep commitment to safeguarding and optimizing IT infrastructures. With years of hands-on experience, I specialize in Linux server administration, network security, and cutting-edge cybersecurity practices. I'm driven by the challenge of designing and maintaining systems that are not only efficient but also resilient against threats. Key Strengths: Linux & Proxmox Expertise: I've honed my skills in Linux, especially in Debian, Ubuntu and Proxmox environments, where I ensure systems are not just operational but optimized for peak performance. My hands-on experience helps me keep everything running efficiently, with a focus on reliability. Network Security & VPNs: I'm skilled in crafting secure network setups, including advanced Tailscale, Wireguard and Openvpn VPN configurations, to ensure your data is always protected and your connections are reliable. Cybersecurity: With a Bachelors' in Information Technology, a SOC analyst certification and a keen eye for security, I'm dedicated to identifying risks before they become issues. I implement robust security measures tailored to your specific needs, ensuring compliance and peace of mind. SIEM Implementation: I'm passionate about building comprehensive Security Information and Event Management (SIEM) solutions, integrating tools like Wazuh, Graylog, and OpenSearch to give you real-time insights and control over your environment. Automation & Scripting: I love making things easier through automation. Whether it's Python scripts or shell scripting, I streamline processes to save time and reduce errors, so you can focus on what really matters. Problem-Solving: I thrive on solving tough challenges. When issues arise, I'm quick to diagnose and resolve them, ensuring your systems stay up and running with minimal disruption. I thrive in fast-paced environments where precision and security are paramount. I'm excited to collaborate with clients who value precision and security in their IT environments. Together, we can build and maintain systems that are not only reliable but also secure and future-ready. ít hơn
Thuê vincczen
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mrresearcher99 mrresearcher99
$10 USD / giờ
Highly Recommended | TOP 1% | Verified by FL StaffIndiaI am a full-stack developer with 10+ years of experience, helping businesses, startups, and enterprises build secure, modern, and scalable digital products. Whether you need a mobile app, web platform, fintech solution, automation system, or cybersecurity service, I deliver end-to-end, enterprise-grade solutions...I am a full-stack developer with 10+ years of experience, helping businesses, startups, and enterprises build secure, modern, and scalable digital products. Whether you need a mobile app, web platform, fintech solution, automation system, or cybersecurity service, I deliver end-to-end, enterprise-grade solutions tailored to your business goals. I have delivered 195+ projects globally, built 80+ enterprise-level applications, and worked with clients from 12+ countries. I am also a certified GDPR and cybersecurity expert. Every project comes with 100% source code ownership and free bug support. 📱 Mobile App Development Native Android (Java, Kotlin) & iOS (Swift, Objective-C), Flutter & React Native cross-platform apps, Stripe in-person payment integration, Android kiosk mode solutions, and real-device testing for maximum accuracy. 🌐 Web Development & Modern Technologies Backend: Laravel, Node.js, Express.js, NestJS, CodeIgniter, Core PHP, Yii, Symfony Frontend: React.js, Next.js, Vue.js, Nuxt.js, Angular, Svelte CMS & eCommerce: Shopify, WooCommerce, Magento, PrestaShop, OpenCart, custom WordPress theme and plugin development, malware removal, speed optimisation APIs: REST, GraphQL, WebSockets, gRPC Cloud & DevOps: Docker, Kubernetes, CI/CD pipelines, AWS, Google Cloud, Azure, DigitalOcean Databases: MySQL, PostgreSQL, MongoDB, Firebase, Redis, DynamoDB Payments: Stripe, PayPal, Razorpay, Square, Braintree, Authorize.net Security & Authentication: OAuth2, JWT, SSO, MFA, RBAC AI & Machine Learning: NLP, chatbots, recommendation engines, predictive analytics IoT & Automation: Smart device integrations, home automation, industrial IoT solutions Blockchain & Web3: Smart contracts, NFT marketplaces, DApps, DeFi platforms Cloud-Native & Microservices: Scalable architecture, serverless functions Performance & Scalability: Redis, Memcached, load balancing, CDN optimisation Testing & QA: Cypress, Jest, Mocha, Postman, Selenium, Appium 📈 FinTech & Trading Platforms Stock and crypto trading platforms, real-time market data integrations, high-frequency trading APIs, payment gateway and wallet integrations. 🔒 Cybersecurity & Compliance Web and mobile app penetration testing (WAPT), GDPR, HIPAA and ISO27001 consulting, secure code review, vulnerability reports, and remote/on-site security audits. 🏢 Industries I Serve FinTech, Trading, AI, Automation, IoT, eCommerce, Healthcare, SaaS, Cybersecurity, Web3 & Blockchain. 🎯 Why Clients Trust Me Proven 10+ years of delivery experience, scalable and secure solutions, transparent pricing and timelines, and a long-term partnership mindset. 🚀 Let’s Build Your Next Big Project I focus on quality, security, and scalable architecture — no shortcuts, only results. Click “Hire Me” and let’s turn your idea into a successful product. ít hơn
Thuê mrresearcher99
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Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core...Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core Competencies: -PCB Design & Development: Expert in designing reliable, high-performance printed circuit boards (PCBs). Specialization in power supply circuits (DC-DC, AC-DC conversions) and multilayer designs for embedded systems. Proven track record in developing efficient LED driver circuits and RF PCB layouts. -Firmware Development: Extensive experience programming microcontrollers including STM32, DSPIC, ESP32 and ESP8266. Mastery of communication protocols such as UART, SPI, Ethernet, USB, CAN, and MODBUS for seamless integration. Proficient in implementing wireless technologies including Wi-Fi, Bluetooth, and ZigBee. -RF Design & Analysis: Strong capabilities in RF circuit design, antenna optimization, and simulation for applications like WiFi, Bluetooth, and RFID. Expertise in developing RF filters, splitters, transceivers, and power amplifiers tailored to specific application needs. I am committed to delivering cost-effective, high-quality solutions without compromising performance or deadlines. I welcome the opportunity to connect and discuss how I can contribute to your projects. ít hơn
Thuê markoa7
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Hacking đạo đức có chứng nhận, Chuyên gia An ninh Hệ thống Thông tin được Chứng nhận (CISSP), An ninh Đám mây, An ninh máy tính, Module bảo mật phần cứngComputer security is my primary focus. I am a Registered Penetration Tester and hold OSCP, CRTP, and CEH certifications. I design custom tools and scripts for penetration testing and work extensively with Kali Linux. I perform deep manual testing using tools such as Burp Suite, Metasploit, Nmap, SQLMap, Wireshark,...Computer security is my primary focus. I am a Registered Penetration Tester and hold OSCP, CRTP, and CEH certifications. I design custom tools and scripts for penetration testing and work extensively with Kali Linux. I perform deep manual testing using tools such as Burp Suite, Metasploit, Nmap, SQLMap, Wireshark, TCPDump, and others. I safely develop, test, and modify exploits based on the target environment. I currently work as a full time security consultant specializing in penetration testing. I help organizations identify real world security risks through black box, grey box, and white box testing. I have identified critical and high risk vulnerabilities across banking, telecom, insurance, and government platforms. My work has led to multiple zero day discoveries and CVE records in widely used products, including SHAREit, Upwork Time Tracker, and Avast Anti Virus. I bring more than 6 years of hands on experience as an information security professional. I have led and executed hundreds of penetration tests, red team engagements, and security audits. My experience spans large enterprises with thousands of assets as well as startups seeking strong security foundations. I have deep expertise in assessing network, cloud, API, web, and mobile application security across modern technology stacks. Working with me, you will: ★ Customized approach: I understand that every client's needs are unique, and I tailor my approach to meet your specific requirements. This ensures that you get the most comprehensive and effective security testing possible. ★ Timely delivery: I understand that time is of the essence when it comes to security testing, and I always deliver my reports on time, without compromising on quality. ★ Complete manual testing for your application and immediate notification if any high-impact issues are found. ★ Unlimited retesting for the fixed issues and unlimited revisions ★ Able to find critical bug classes that are often missed by automated pentests. 🔢 My stats are: ✅ Top-rated in information security and IT compliance categories ✅ Saved tens of thousands of dollars for clients by identifying critical vulnerabilities ✅ Ranked in the Top 50 at multiple bug bounty programs ✅ Supporting all time zones ✅ Long-term engagements ✅ Professional certifications (OSCP, CISSP, CEH, CRTP) My Expertise: ★ Web Application Security Testing ★ API security testing ★ Penetration Testing ★ Internal Active Directory and External Network Pentest ★ Vulnerability Assessment. ★ Thick Client Pentest (Windows Desktop App Testing) ★ OSINT Assessement ít hơn
Thuê Venkatesan03
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engkarimismail engkarimismail
$50 USD / giờ
✅ Senior Network & System Engineer | Security|VOIPMalaysia✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in...✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in firewalls, scripting, containerization, and database management. Additionally, I specialize in mail servers, backup systems, and cloud technologies. With advanced networking skills, including Cisco routing, VLAN management, VoIP/IP telephony, and penetration testing, I am well-equipped to handle complex IT infrastructures. I am dedicated to delivering reliable solutions, ensuring data integrity, and enhancing system performance. ✅Send me now 24/7 Availability Unlimited Revisions Fast Response ✅ Server Operating Systems Windows Server (2003 to 2024) | Ubuntu | CentOS | Debian | RHEL ✅ Directory Services Active Directory | OpenLDAP ✅ DNS and DHCP Windows Server DNS | DHCP | Linux DNS | DHCP ✅ Virtualization Microsoft Hyper-V | VMware ESXi | vCenter | Proxmox VE ✅ File Servers IIS FTP | proftpd | FileZilla | FTP Server | Samba ✅ Web Servers Apache | NGINX | Microsoft IIS ✅ Scripting and Automation PowerShell scripting | Bash scripting ✅ Containers Docker | Windows Subsystem for Linux (WSL) ✅ Backup Systems Veeam Backup | Iperius Backup | UrBackup ✅ Mail Servers Mailcow | Microsoft Exchange (2000–2019) | MailWizz | Postfix | EXIM ✅ Database Servers MySQL | PostgreSQL | MariaDB ✅ Firewalls and Security MikroTik | PFSense | Cisco Firewalls ✅ Networking Skills Cisco Routing and Switching | VLANS | OSPF | VoIP and IP Telephony | Network Penetration Testing Access Control Lists (ACLs) Security (MITM Attack Mitigation) ✅ Recovery Services Password recovery for accounts and routers | Disaster recovery planning ✅ VOIP Service Freepbx | freeswitch | CME | IP TELEPHONY | 3CX SYSTEMS ✅ Cloud Service AWS, DigitalOcean, Hetzner, Azure, Google Cloud Platform, IBM Cloud, Oracle Cloud, Alibaba Cloud, Contabo, Seva ít hơn
Thuê engkarimismail
