Network Security Consultants For Hire
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**Certifications:** - Certified in Digital Forensics - Certified Ethical Hacker - Certified in API Security **Professional Overview:** I’m Shofiur Rahman, a Certified Ethical Hacker and Professional Penetration Tester with over a decade of experience in the cybersecurity field. Recognized as one of the top 1% of...**Certifications:** - Certified in Digital Forensics - Certified Ethical Hacker - Certified in API Security **Professional Overview:** I’m Shofiur Rahman, a Certified Ethical Hacker and Professional Penetration Tester with over a decade of experience in the cybersecurity field. Recognized as one of the top 1% of Cybersecurity Engineers on Freelancer.com, I have established a reputation for delivering exceptional security services tailored to meet the needs of diverse clients. I offer a comprehensive suite of cybersecurity services, including white, gray, and black hat penetration testing, network and host auditing, policy development, and Business Impact Analysis. My expertise extends to black and gray box testing in both live environments and controlled lab settings. I am proficient in identifying and mitigating a wide range of attack vectors, including zero-day vulnerabilities (0days), and I am experienced in conducting vulnerability assessments for PCI and HIPAA compliance. **Why Choose Me:** - **Proven Expertise:** With a rich portfolio that highlights my work on critical projects, I have consistently delivered high-impact solutions that protect and strengthen security postures. - **Trusted Professional:** As one of the most trusted cybersecurity experts on Freelancer.com, my work is characterized by its precision, thoroughness, and adherence to best practices. - **Comprehensive Reporting:** I provide detailed, actionable reports that not only identify vulnerabilities but also offer clear guidance on remediation. My reports are crafted to meet the needs of both technical and non-technical stakeholders, ensuring that everyone involved can understand and act on the findings. **Explore My Work:** To gain further insight into my capabilities, I invite you to review my portfolio. Additionally, you can request a sample of a previous Penetration Testing report, which showcases my approach, methodologies, and the depth of my analysis. This will give you a clear understanding of my skills and the quality of work I deliver. **Service Description:** **Core Skills:** - Penetration Testing - Web Application Security - Social Engineering - Red Team Assessment - Ethical Hacking & Countermeasures - Vulnerability Assessment - Malware Analysis - Server Security Hardening **Tools of the Trade:** - BurpSuite Professional - sqlmap - nmap - Metasploit - OpenVAS - Mimikatz With a commitment to excellence and a proven track record of success, I am confident in my ability to help secure your digital assets against emerging threats. Let’s work together to build a safer, more secure environment for your business less
Hire srmukul2
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engkarimismail engkarimismail
$50 USD / hour
✅ 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 less
Hire engkarimismail
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touhidecevw touhidecevw
$60 USD / hour
Network & System Specialist|CCNP|Fortinet|RHCE|CEHBangladesh✅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. less
Hire touhidecevw
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I’m a results-driven Python Developer & Software Architect with 8+ years of experience building scalable, secure, and high-performance applications. I specialise in Website Development, Mobile App Development, Web Applications, SaaS Platforms, and CRM Systems, delivering clean architecture and business-focused...I’m a results-driven Python Developer & Software Architect with 8+ years of experience building scalable, secure, and high-performance applications. I specialise in Website Development, Mobile App Development, Web Applications, SaaS Platforms, and CRM Systems, delivering clean architecture and business-focused solutions. From AI-powered systems to full-scale web and mobile platforms, I help startups and enterprises turn complex ideas into reliable, production-ready products. ✅ Core Specialisations - Website Development – Modern, responsive, high-converting websites - Mobile App Development – Cross-platform & native mobile solutions - Web Applications / SaaS / CRM Development – Scalable SaaS platforms, custom CRM systems, enterprise-grade web apps - Automation & Workflow Systems – N8n, Make.com, Zapier, Zoho, OpenClaw integrations and custom workflow architecture ✅ What I Offer - AI & Machine Learning Solutions - Custom Chatbots & Conversational AI - NLP & Generative AI Applications - AI Agents & Intelligent Workflow Systems - Predictive Models & Data-Driven Solutions ✅ Web Design & Development - Professional Website Design (Modern UI/UX) - Full-Stack Web Development - RESTful & GraphQL API Development - Scalable backend systems (Django, Flask, FastAPI, Node.js) - Software Architecture & System Design ✅ E-Commerce & Shopify - Shopify Store Development & Customization - Custom E-Commerce Platforms - Payment Gateway & Third-Party Integrations ✅ Mobile Application Development - Cross-Platform & Native App Development - API Integration & Backend Connectivity - App Deployment & Optimization ✅ Automation & Engineering - Web Scraping & Data Extraction - Workflow Automation - Microcontroller Programming & Integration - AI-Driven Process Automation ✅ Testing & Quality Assurance - Website Testing - Software Testing & QA - Performance & Security Optimization ✅ Administrative & Data Services - Data Entry & Data Processing - Administrative Support - System & Workflow Organization ✅ My Tech Stack - Languages: Python, JavaScript, C#, Dart, Java, Swift - Backend: Django, Flask, FastAPI, Node.js, NestJS, ASP.net Core - Frontend: React, Vue.js, Next.js, Angular - Mobile: Flutter, Native Technologies - Databases: PostgreSQL, MongoDB - DevOps & Cloud: Docker, Kubernetes, AWS, GCP - AI & ML: PyTorch, Scikit-learn, OpenAI - Automation Platforms: N8n, Make.com, Zapier, Zoho, Lovable, OpenClaw ✅ Why Work With Me? 8+ Years of Proven Experience Clean, Scalable & Maintainable Architecture Strong Communication & Remote Collaboration Business-Focused & Results-Driven Approach On-Time Delivery with High-Quality Standards I don’t just build applications — I architect digital systems that scale, automate, and drive measurable growth. Let’s build something extraordinary together. ✅Message me to discuss your project. less
Hire mannanmaan1425
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Bharat and his team are a dynamic and versatile group of technology professionals with a proven track record in developing cutting-edge Artificial Intelligence (AI) solutions, crafting innovative WordPress plugins, and managing Linux-based environments. Combining technical expertise with a creative approach, Bharat...Bharat and his team are a dynamic and versatile group of technology professionals with a proven track record in developing cutting-edge Artificial Intelligence (AI) solutions, crafting innovative WordPress plugins, and managing Linux-based environments. Combining technical expertise with a creative approach, Bharat and his team bridge the gap between advanced machine learning applications, user-focused web development, and robust system administration. In the realm of AI, Bharat and his team excel in designing, implementing, and deploying intelligent systems to solve complex real-world problems. Their portfolio spans natural language processing, computer vision, predictive analytics, and automation, showcasing their expertise in leveraging AI to deliver impactful results. They are proficient in Python, TensorFlow, and PyTorch and have a deep understanding of data-driven methodologies and algorithm optimization. Additionally, Bharat and his team are well-versed in Linux systems, utilizing the platform to optimize server performance, enhance security, and streamline deployments. Their expertise in Linux complements their AI and web development skills, ensuring seamless integration across diverse technologies. As strong communicators and collaborative team players, Bharat and his team excel at engaging with clients to understand their needs and translating business challenges into actionable technical solutions. Their passion for innovation and commitment to excellence makes them a valuable asset to any team or organization seeking to harness the power of AI, WordPress, and Linux. less
Hire Shrutibimpl
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I am a Senior DevOps Engineer and Cloud Architect with over 14 years of deep expertise in Linux System Administration and Infrastructure. Originally trained in Physics, I bring a scientific, analytical approach to solving complex IT problems—I don't just maintain systems; I understand the "physics" of how they break...I am a Senior DevOps Engineer and Cloud Architect with over 14 years of deep expertise in Linux System Administration and Infrastructure. Originally trained in Physics, I bring a scientific, analytical approach to solving complex IT problems—I don't just maintain systems; I understand the "physics" of how they break and how to make them resilient. My career has evolved from the trenches of Help Desk support to founding my own IT service agency, and now tackling global-scale cloud challenges. I am currently pursuing an MSc in Computer Engineering to bridge practical experience with advanced theory. Core Competencies: - Cloud Platforms: Microsoft Azure, AWS - Infrastructure as Code (IaC): Terraform, Ansible - Containerization & Orchestration: Docker, Kubernetes - Observability: Prometheus, Grafana, ELK Stack - OS: Deep Linux System Administration mastery Whether you need to migrate to the cloud, automate your infrastructure, or stabilize a chaotic environment, I bring the patience of a father of twins and the precision of an engineer to get the job done right. less
Hire ahmadpiran
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Description: 👨💻 IT Professional with 15+ Years of Expertise in Systems Administration, Cloud, and Security I am a seasoned Windows & Linux Administrator with extensive experience in managing servers, cloud platforms, and secure IT infrastructures. Over the past 14 years, I’ve successfully delivered projects...Description: 👨💻 IT Professional with 15+ Years of Expertise in Systems Administration, Cloud, and Security I am a seasoned Windows & Linux Administrator with extensive experience in managing servers, cloud platforms, and secure IT infrastructures. Over the past 14 years, I’ve successfully delivered projects involving virtualization, security hardening, and enterprise-grade system deployments. My focus is on creating secure, optimized, and scalable environments tailored to business needs. 🌐 Systems Administration 🛠️ Skilled in Windows Server (2022/2019/2016) and Linux administration. 📂 Experienced in Active Directory, NPS, NAS, DFS file sharing, and printer management. 🔧 Strong background in Dell server hardware, storage setup, and maintenance. 🔒 Security & Authentication 🛡️ Security assessments with Nessus and Qualys. 🔑 Implementation of certificate-based authentication and Radius servers. 🔒 Designed RDP with MFA solutions to secure remote access. 🚨 Hands-on experience with DNS/DNSSEC and Cloudflare for domain security. ☁️ Cloud & Virtualization 🌩️ Proficient in AWS, Azure, Google Cloud, and Office 365 administration. 💻 Expertise in Proxmox, VirtualBox, and Hyper-V clusters. 📦 Designed and deployed multi-VM Hyper-V clusters on Hetzner and OVH cloud, including 📡 Monitoring & Optimization 📊 Proficient in IPMonitor, PRTG, and Nagios Core for proactive system monitoring. 🖥️ Implemented alerting and dashboards to maximize uptime and performance. 🤝 Collaboration & Service Desk 📋 Experienced with Jira Service Desk for IT support management. 💬 Microsoft Teams administration for seamless organizational collaboration. 🔧 Troubleshooting Expertise 🛠️ Known for resolving complex IT issues quickly and effectively. 🔍 Strong skills in diagnosing root causes of outages and performance issues. 🌟 Recent Project Highlight: Hyper-V on Hetzner & OVH Cloud I recently completed a deployment of a Hyper-V cluster hosted across Hetzner and OVH cloud platforms. The project involved: 🔐 pfSense firewall for network segmentation. 🏢 Windows Domain Controller setup with Active Directory. 🌍 Hosting web servers for client-facing apps. 📂 DFS file sharing with replication. 💾 Veeam backup and disaster recovery plan. 🔑 RDP with MFA to secure remote access. This end-to-end solution delivered security, redundancy, and scalability, ensuring high availability for business-critical services. 💡 Why Work With Me? I deliver IT solutions that are: 🔒 Secure – with MFA, firewalls, and proactive vulnerability management. 🚀 Scalable – built on modern cloud and virtualization technologies. 📈 Reliable – with backups, monitoring, and performance tuning in place. Whether you need system administration, virtualization, cloud setup, or IT security hardening, I provide enterprise-grade solutions with a proven track record of success. 🚀 Let’s build a secure and resilient IT environment for your business. less
Hire G8Bharat
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Professional Summary I am a results-driven professional passionate about web design, AI integration, e-commerce, programming, marketing, and networking. My Team and I are dedicated and committed to deliver innovative and efficient solutions tailored to clients' needs. Top Skills and Strengths: ✅ Web Design :...Professional Summary I am a results-driven professional passionate about web design, AI integration, e-commerce, programming, marketing, and networking. My Team and I are dedicated and committed to deliver innovative and efficient solutions tailored to clients' needs. Top Skills and Strengths: ✅ Web Design : Creating responsive, user-friendly websites using WordPress, Elementor, & Tailwind CSS. ✅ Game Development: Design immersive 2D/3D using industry-std engines and interactive scripting. ✅ AI Integration: We enhance business operations, streamline processes, & improve user experiences. ✅ E-commerce: Set up,customizing WooCommerce ,Shopify for optimized product management & sales. ✅ Programming Expertise: Developing data-driven applications using HTML, CSS, JavaScript, and Python. ✅ Marketing & Lead Generation: Crafting strategies to boost engagement,conversions, CRM solutions. ✅ Networking & IT Solutions: Managing and optimizing IT infrastructures for seamless connectivity. less
Hire XRProConnect
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Hello! I'm Juan Jose C, a full-stack developer with +7 years of experience in building modern web app, game and integrating AI features. I specialize in creating dynamic, scalable solutions with a focus on AI-driven functionality, using technologies like C#, .Net, Core, Angular, React, Next.js, Node.js, Vue.js and...Hello! I'm Juan Jose C, a full-stack developer with +7 years of experience in building modern web app, game and integrating AI features. I specialize in creating dynamic, scalable solutions with a focus on AI-driven functionality, using technologies like C#, .Net, Core, Angular, React, Next.js, Node.js, Vue.js and Tailwind CSS. I also leverage the latest and most popular AI code tools to write fast, efficient, and scalable code, ensuring top-tier performance and innovation in every project. My Main Skills: Frontend: React, Next.js, Vue.js, TailwindCSS, Shadcn Backend: Node.js, Express, Laravel, Python, Django, REST APIs, FastAPI, GraphQL, WebSocket, Socket.io AI & LLMs: OpenAI (GPT-4, ChatGPT), Chatbot, LangChain, Cohere, Pinecone Cloud & Deployment: Vercel, AWS, Firebase Database: MySQL, MongoDB, PostgreSQL, Supabase, Adrant, ChromeDB Tools: Cursor, Lovable, Bolt.new, V0.dev, Zed, Warp, Figma less
Hire juanjosec63
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hello, I am a Cisco Certified Internetwork Expert CCIE#46063 R&S with a UK based education , I have 13 years of extensive IP networking experience, designing, implementing and supporting large service provider networks as well as enterprise networkshello, I am a Cisco Certified Internetwork Expert CCIE#46063 R&S with a UK based education , I have 13 years of extensive IP networking experience, designing, implementing and supporting large service provider networks as well as enterprise networks less
Hire ccie7
