Network Security Consultants para contratar
Mostrando 31 resultados
Freelancers patrocinados
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touhidecevw touhidecevw
$60 USD / hora
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. menos
Contratar touhidecevw
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I have been working in core network of BD largest ISP & IIG more than 9 years. I am CCNA and CCNA security certified. So Cisco based network solutions are the most powerful side of me. Beside these, I am expert in configuring and maintaining firewalls, have expertise on network simulation software like GNS3 , Cisco...I have been working in core network of BD largest ISP & IIG more than 9 years. I am CCNA and CCNA security certified. So Cisco based network solutions are the most powerful side of me. Beside these, I am expert in configuring and maintaining firewalls, have expertise on network simulation software like GNS3 , Cisco Packet Tracer, Riverbed Modeler. Core Technical Skills: ================== # Routing Protocol-- Static, OSPF, BGP, EIGRP, RIP. # Design and implement small, medium and large scale enterprise networks. # VLANs, Spanning Tree Protocol (STP), VTP, LACP, HSRP. #L2-MPLS,L3-MPLS # DHCP, GRE, IPSEC. Hands-On Experience: ===================== # Cisco Routers (NCS 5500, ASR 1006, 7606, 7604, 7301, 7206) # Firewall (Sophos, Fortigate) # Cisco Switches(Nexus 2K, Nexus 3K, Nexus 7K, Catalist 2900 series, Catalist 3500 series, 4500 Series, Small Business SF-300) # Juniper Routers (MX 104, ACX 2200) # Mikrotik Router (CCR 1036, CCR 1072, 3011, RB 450) # Other Vendor devices (Netgear, BDcom, Huawei) menos
Contratar tonoy0167
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⚡ Preferred Freelancer | ⚡ 12+ Years Experience I Offer Services in Malware Removal, Virus Removal, Ethical Hacking / Internet Security, WordPress Speed Optimization, Websites Transfer, SSL Installation, WordPress Development, Linux Server Administration and Zen Cart / Drupal / MODX / Moodle / Joomla Upgrade. Over...⚡ Preferred Freelancer | ⚡ 12+ Years Experience I Offer Services in Malware Removal, Virus Removal, Ethical Hacking / Internet Security, WordPress Speed Optimization, Websites Transfer, SSL Installation, WordPress Development, Linux Server Administration and Zen Cart / Drupal / MODX / Moodle / Joomla Upgrade. Over the last 12 years, I Have Worked on 5000+ Websites Security (Cleaning from Malicious Code and Hardening Security), 1000+ Websites Transfer, 200+ WordPress Websites Speed Optimization (Delivered Results As Per Google PageSpeed Insights, GTmetrix) and 500+ SSL Installs (Including HTTP to HTTPS migration). Service Description: 1. Malware / Virus Removal from Websites (Cleaning Hacked Websites) and Servers. ✔100% Malware Cleanup Including Database Clean ✔Japanese Keyword Hack, SEO Spam / Pharma Hack Fix ✔Credit Card Stealers and Ecommerce Malware Fix ✔Google Blacklist Removal (This Site may be Hacked), Google Deceptive Warning Fix ✔McAfee SiteAdvisor, Norton Blacklist or Any VirusTotal Based Blacklist Fix ✔WP-VCD Malware, Backdoor / Malicious Javascript / Conditional Redirects Fix 2. Website Security Maintenance (Implementing Future Security Measures and Guiding How to Maintain Security for the Future). 3. Website Transfer/Migrate to New Host / Domain (Any PHP-based CMS or Custom-coded Website). 4. SSL Install, HTTP to HTTPS Migration with Secure Padlock. 5. WordPress (Websites Development and Troubleshooting Which Includes Fixing Critical Error / Fatal Errors). 6. Linux Server Administration. 7. Optimize and Increase the Speed of WordPress Websites. 8. Zen Cart / Drupal / MODX / Moodle / Joomla Upgrade (Upgrade to the Latest Stable Version). 9. Penetration Testing (Checking Websites for Security Vulnerabilities). menos
Contratar arfharwinder
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I bring extensive expertise in server setup, management, and optimization, specializing in maximizing performance and ensuring robust security measures. With proficiency in a variety of frameworks and tools, I excel in delivering scalable web solutions and seamless server operations. **Core Skills:** - **Server...I bring extensive expertise in server setup, management, and optimization, specializing in maximizing performance and ensuring robust security measures. With proficiency in a variety of frameworks and tools, I excel in delivering scalable web solutions and seamless server operations. **Core Skills:** - **Server Management:** Setup, configuration, and optimization of Nginx, Apache, Lighttpd, and LiteSpeed servers. Experience with WHM-Cpanel, CentosWebPanel, VestaCP, Plesk, and Virtualmin-webmin. - **Web Development:** Proficient in MVC, OOPs, Core PHP, JavaScript, jQuery, jQuery UI, HTML, CSS. Skilled in PHP frameworks like Codeigniter, Cake PHP, Yii, Zend, Laravel. - **CMS and E-commerce:** Expertise in Joomla, Wordpress, Drupal, Magento, eBay, ZenCart, Shopify, BigCommerce for developing and customizing content management systems and shopping carts. - **Server Security:** Implementation of CSF/maldet for firewall and malware detection. Experienced in SSL installation, server monitoring, and managing server migrations. - **Cloud Services:** Hands-on experience with Amazon Web Services (AWS), Google Cloud, and DigitalOcean for scalable cloud infrastructure setup and management. - **Email Systems:** Proficient in configuring SMTP servers (Postfix, Dovecot, PowerMTA, Mailgun, AWS-SES, Sendgrid) and mailing applications (Interspire, Mailwizz, PHPMailer, Sendy) for effective email marketing and communication. **Additional Expertise:** - **Web Design:** W3C standards-compliant HTML/xHTML, PSD to HTML conversion, logo design, and Web2.0 design principles. Strong in DIV & CSS-based table-less coding. **Career Highlights:** - Successfully implemented server optimization strategies that reduced load times by 30% for a high-traffic e-commerce website. - Secured servers against multiple cyber threats, maintaining 99.9% uptime across multiple projects. - Led seamless migrations of websites across different hosting environments, ensuring minimal downtime and data integrity. --- By structuring your skills and experiences in this way, you provide a clear overview of your capabilities to potential employers or clients. It highlights your technical proficiency, problem-solving skills, and ability to manage complex server environments effectively. menos
Contratar bishnudev3
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بسم الله الرحمن الرحيم Programmer at day.. Ethical hacker at night.. What I do : @Cyber Security: Web Applications Security, Penetration Testing, API Security, Mobile Applications Security, Software Security, Malware Removal, Systems Hardening, Server Security, Digital Forensics, NGFW solutions(FortiNet,...بسم الله الرحمن الرحيم Programmer at day.. Ethical hacker at night.. What I do : @Cyber Security: Web Applications Security, Penetration Testing, API Security, Mobile Applications Security, Software Security, Malware Removal, Systems Hardening, Server Security, Digital Forensics, NGFW solutions(FortiNet, pfSense,Palo Alto), Physical Security Consultancy @System Administration: Linux/Unix-like systems, MS Windows servers, Performance Optimization @Web Development: WordPress, Joomla, Drupal, Shopify. @Virtualization/Containerization: VMWare, Xen, VirtualBox, Docker. @Web Scraping/Automation: BeautifulSoup, Selenium. @Programming/Scripting: Python,Perl,Bash,Batch,PowerShell,VBA,AutoHotkey. @Other Services: Data Recovery, Speed Optimization, and SEO. @Trading: Deriv/Binary Bot Development. I DO NOT PROVIDE BLACK HAT SERVICES. ما شاء الله لا قوة إلا بالله menos
Contratar AhmadSameer
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Redacción de investigaciones, Escritura técnica, Redacción de informes, Redacción de artículos, Gestión de proyectosHello welcome to my profile, I am a guru in research writing, technical writing, business analysis, web scraping, and SEO content writing. I have been doing this for more than you can imagine. I am a BSc degree holder in computer science and a diploma in project management and CCNA certification. I also hold a...Hello welcome to my profile, I am a guru in research writing, technical writing, business analysis, web scraping, and SEO content writing. I have been doing this for more than you can imagine. I am a BSc degree holder in computer science and a diploma in project management and CCNA certification. I also hold a Bachelor's degree in commerce. I have more than 5 years of experience in providing research writing, technical writing, WordPress, SEO article writing, and content writing. Below are some of the services that I offer, Article and Book Reviews Finance, Accounting, Statistic and Economics Writing. Case study analysis Proposal writing software requirements specification (SRS) and system design specification (SDS) Project management (WBS, scheduling, Gantt charts, charter, scope, project cost estimation) Computer network && Cyber security Database management && design(ERD design, Normalization, database schema ) Computer programming(Python, Java and Php ) Software Engineering (UML diagrams: Use Case, Class diagram, flowcharts, Sequence diagram) Digital forensic Etc. I believe in creating excellent services to my clients by understanding the instructions, thus providing well-versed results. As a researcher, I remain committed to delivering quality work, free from plagiarism, with proper grammar and intensive research. My key purpose in the freelance industry is to relentlessly and passionately deliver high-quality work. My core values are always Commitment, reliability, time- conscious honesty I am always open to invitations from clients who have confidence in my skill set and share the same interest in perfection and good working relations. Please click "Hire me" in my profile "https://www.freelancer.com/u/kaindo2017" and I will never disappoint you, thank you. menos
Contratar kaindo2017
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A dominant Harvard Grad who is simultaneously being integrated into the diverse business consciousness with an in-depth understanding of how to scale operations for best results, I am skilled at guiding people and businesses, and developing processes to ignite growth within an organization for funding, expanding, and...A dominant Harvard Grad who is simultaneously being integrated into the diverse business consciousness with an in-depth understanding of how to scale operations for best results, I am skilled at guiding people and businesses, and developing processes to ignite growth within an organization for funding, expanding, and maximizing profits. Whether you need your idea to be analyzed that how feasible it is, your firm to be formed or registered, multiply your revenues through a new marketing approach, expand in new markets through successful strategies, or revive from de-growth by competing with the industry giants, my professional attitude and services are available to assist you in achieving the goals. Better to be called a Business Consultant, I'm here to help you discover the answers on how to improve your Business Processes, Blueprint, Margins, Efficiency, and even Customer Satisfaction. Whether an Advisory Project or Implementation Project, I am capable of managing all the phases starting from the Preparation, Information Gathering, Data Analysis, till the deliverable of information for all the stakeholders involved. I revel in facilitating collaboration and contributing to the overall performance of each, such as Creatrox.com, as I assisted them from soup to nuts now it became a brand & generating great revenues annually. As a market analyst, I have assessed details like the economic, employment, educational, and even the ecological health of the area. I have examined local social, technology, and political issues, and determined whether those factors match your personal and financial goals and preferences. I don't settle for anything less than your very best, so connect with me! menos
Contratar arwamoizds
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✓ Back-end: .NET, Ruby on Rails, PHP, Node.js, Laravel, Wordpress ✓ Front-end JS: Next.js, AngularJS & 2+, React.js jQuery, AJAX, CoffeeScript ✓ Front-end UI development: HTML5, HAML, CSS3, SASS, LESS, Bootstrap ✓ Databases: MS SQL Server, PostgreSQL, MySQL, MongoDB, Redis ✓ Payment: Braintree, Stripe, PayPal,...✓ Back-end: .NET, Ruby on Rails, PHP, Node.js, Laravel, Wordpress ✓ Front-end JS: Next.js, AngularJS & 2+, React.js jQuery, AJAX, CoffeeScript ✓ Front-end UI development: HTML5, HAML, CSS3, SASS, LESS, Bootstrap ✓ Databases: MS SQL Server, PostgreSQL, MySQL, MongoDB, Redis ✓ Payment: Braintree, Stripe, PayPal, Authorize.net, 2CO, Google Checkout ✓ Searching: Solr, Elastic Search, Ransack ✓ TDD: RSpec, Mini_test, TestUnit ✓ TDD/BDD support: Capybara, Cucumber, Factory_girl, PhantomJS, Selenium ✓ Servers: AWS, MS Azure, Heroku, Rackspace, DigitalOcean ✓ Code Management Tools: Github, Bitbucket, Gitlab ✓ PM Tools: Jira, Trello, Asana menos
Contratar DanneyT
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PROFESSIONAL SUMMARY: --- - Familiar with network TCP/IP principles, design, planning, construction delivery, and continuous optimization of IDC data center, campus network, and office network architecture, more than ten years of domestic and overseas project experience - Familiar with all kinds of mainstream...PROFESSIONAL SUMMARY: --- - Familiar with network TCP/IP principles, design, planning, construction delivery, and continuous optimization of IDC data center, campus network, and office network architecture, more than ten years of domestic and overseas project experience - Familiar with all kinds of mainstream switches, routers, firewalls, and Internet behavior management, such as Huawei, Cisco, Juniper, H3C, Palo Alto, Sangfor, etc. Can configure and tune such as MPLS VPN, SDWAN, VXLAN, SPINE-LEAF, VXLAN, EVPN, NAT, STP, etc., know how to use Wireshark, Zabbix, mtr, network fault analysis, etc. - Familiar with some non-mainstream and open source network operating systems, such as Vyos, RouterOS, Mikrotik soft router configuration and tuning - Familiar with various network protocols, such as TCP/IP, familiar with the ISO 7-layer network protocol, various routing protocols, such as BGP, OSPF, RIP - Familiar with Linux operating system, can configure and tune Centos, Ubuntu, Red Hat and other Linux operating systems - Familiar with container orchestration such as Docker/k8s, container network flannel, Calico BGP, cloud computing VPC planning, virtualization KVM, Vmware, Nginx, Python, Shell, Linux system operation and maintenance technology, Windows Server - Familiar with Python/Shell, can independently develop operation and maintenance tools, connect to API, and submit operation and maintenance efficiency - Have rich experience in network application and system integration project implementation, can provide one-stop network architecture, network application, network information security solutions - Hold Cisco CCNP, intermediate supervision certificate (equivalent to PMP) - Fluent in Mandarin, Cantonese, and English, good English reading and writing skills SKILLS: --- Switch, Router, firewall, IPSecVPN, BGP, OSPF routing protocol, Vxlan, Cisco, Huawei, Juniper, Linux/Shell programming, Centos, Ubuntu, Python programming, KVM/VMware virtualization, Windows Server, container Docker, K8s, cloud computing, load balancing, LVS load balancing, EDR, security scanning, network troubleshooting, and troubleshooting, iperf3, hping3, telnet, mtr, traceroute menos
Contratar gbcbooks
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Amazon Web Services, Soluciones en la nube, Cloud Development, Cloud Networking, Infrastructure Architecture- AWS-certified IT consultant with 5+ years of experience in designing, implementing, and managing scalable cloud infrastructures. - Expertise in IT strategy, system requirements definition, and AWS-based architecture, including networking, security, IAM, and audit trails. - Skilled in Infrastructure as Code (IaC)...- AWS-certified IT consultant with 5+ years of experience in designing, implementing, and managing scalable cloud infrastructures. - Expertise in IT strategy, system requirements definition, and AWS-based architecture, including networking, security, IAM, and audit trails. - Skilled in Infrastructure as Code (IaC) using Terraform and CloudFormation to drive automation and efficiency. menos
Contratar theta1017
