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Zobrazuje 185 výsledků
  • Zaměstnejte uživatele     AhmedMFakkar
Zaměstnejte uživatele     AhmedMFakkar

    AhmedMFakkar AhmedMFakkar

    Egypt $40 USD / hod.
    Network and Security Consultant
    Egypt
    6.8
    125 recenzí 125 recenzí $40 USD za hodinu
    I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and...
    I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and implement medium and large scale enterprise networks. - Expertise of VPN technologies such as, OpenVPN, IPsec, L2TP, PPTP, SSL, etc. - Routing technologies RIP, OSPF, EIGRP, ISIS, BGP, etc. - Switching technologies VLANs, STP, VTP, Etherchannel, HSRP, etc. My hands-on experience, - Cisco routers (ASR 1K & 9k, 2900, 2800), Switches (Nexus 9000, Nexus 7000, Nexus 3000, CAT 6500, CAT 3750, CAT 2900, SG- 300, SG-500) and Firewalls (ASA 5505, 5506x). - Palo Alto 220, 550, 850 and 3200 and Fortigate 100E, 200E and 800E Firewalls. - Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei routers NE-40, NE5000E and Switches Quidway S2700 and S5300. - HP Switches procurve 3500 and procurve 5900. méně
  • Zaměstnejte uživatele AhmedMFakkar
  • Zaměstnejte uživatele     rozeny2k
Zaměstnejte uživatele     rozeny2k

    rozeny2k rozeny2k

    Bangladesh $40 USD / hod.
    IT Professional
    Bangladesh
    7.5
    173 recenzí 173 recenzí $40 USD za hodinu
    |==> Jack of all trade!! <==| Areas Of Expertise: IT Security Audit - ISO 27001:2022, PCI DSS, NIST 800-53, GDPR and several other IT Security Compliance. IT Security and VAPT - Backtrack, Kali Linux, Nmap, Wireshark, Metasploit, Nikto, Burp Suite, OpenVAS, Aircrack-ng, and several other security penetration...
    |==> Jack of all trade!! <==| Areas Of Expertise: IT Security Audit - ISO 27001:2022, PCI DSS, NIST 800-53, GDPR and several other IT Security Compliance. IT Security and VAPT - Backtrack, Kali Linux, Nmap, Wireshark, Metasploit, Nikto, Burp Suite, OpenVAS, Aircrack-ng, and several other security penetration tools System Administration - VMWare vSphere, vCenter, ESXi (5.x, 6.x, 7.x, 8.x) Redhat Linux Enterprise Linux (5.5, 6, 6.5, 7, 8), CentOS, Ubuntu, Kali/Backtrack,. Windows Server (2019, 2016, 2012), Windows Hypervisor, SCVMM (System Center Virtual Machine Manager), SCCM (system center configuration manager), SCOM (System Center Operations Manager), VMware Networking - Routing, Switching, Cisco Firewalls, router and switches, Packet tracer, Riverbed Opnet Modeler, GNS3 IT Security - Backtrack, Kali Linux, Nmap, Wireshark, Metasploit, Nikto, Burp Suite, OpenVAS, Aircrack-ng, and several other security penetration tools Digital Forensics - Autopsy, EnCase, FTK, Axiom Web Designing - html, css, javascript, xml Web Programming - php, asp, ajax, jsp Database - MySQL, Oracle Writing - Technical Writing, Technical documentation, E-book, Content, Report, Creative writing méně
  • Zaměstnejte uživatele rozeny2k
  • Zaměstnejte uživatele     imranphp
Zaměstnejte uživatele     imranphp

    imranphp imranphp

    Pakistan $50 USD / hod.
    Among Top Freelancers | Wordpress/Security/SEO
    Pakistan
    4.5
    2 recenzí 2 recenzí $50 USD za hodinu
    Hi, My name is Imran Ali working as a Freelance Developer, Coder & Designer for last 15+ years. Completed hundreds of projects on Freelancer. Basic Services Overview: Hacked Websites Recovery: ----------------------------- Can clean malware and fix hacked websites + Apply Security, Firewall for...
    Hi, My name is Imran Ali working as a Freelance Developer, Coder & Designer for last 15+ years. Completed hundreds of projects on Freelancer. Basic Services Overview: Hacked Websites Recovery: ----------------------------- Can clean malware and fix hacked websites + Apply Security, Firewall for Wordpress Responsive Websites Development: ------------------------------------------------- -- Static Websites (HTML/CSS) -- Dynamic (PHP/MYSQL) -- Wordpress (New Theme Dev, Customizing Themes) Error Fixing: -------------- Can fix bugs/errors on HTML/PHP/WP sites. Scraping Data: ------------------- Use PHP to scrap websites & store data in TXT/CSV/HTML/WP. Content Writing: --------------------- Well researched, Unique, SE friendly, Copyscape passed articles Design: ----------- Logos, Icons, Brochures, Cards, Letter-Heads Designing Amazon/Adsense Websites: ------------------------------------- Amazon Affiliate & Adsense Websites To Earn Money Online Search Engine Optimization: -------------------------------------------- On-Site and Off-Site SEO for more traffic & Higher Conversions méně
  • Zaměstnejte uživatele imranphp
  • Zaměstnejte uživatele     servermaster
Zaměstnejte uživatele     servermaster

    servermaster servermaster

    Estonia $25 USD / hod.
    Professional IT specialist
    Estonia
    4.6
    3 recenzí 3 recenzí $25 USD za hodinu
    About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is...
    About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is easy to setup systems. I am not picky about what systems to use but i do have experience what to use. I know following operating systems + distros: debian, ubuntu, gentoo, suse, redhat, centos, rocky linux, almalinux and arch linux, freebsd, netbsd, openbsd, sun solaris plus ms windows servers. I also know following systems: Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. Javascript: nodejs,npm Java web servers: Tomcat, Jrun, Jboss Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL Mail systems: Postfix,exim,dovecot.. and implementing: DKIM, SPF, MX, DMARC. Monitoring systems: Nagios, zabbix, cacti, grafana. SMS: SMSC, Kannel DNS: Bind, Djbdns, Dnsmasq. VPS: Vmware, Hyper-v, Proxmox, bhyve, kvm, xen, openstack.. Containers: docker, lxc, jail, kubernetes Cloud providers: AWS, Digitalocean, Azure.. My knowledge does not stop here. I troubleshoot easily. Let's chat Please see my reviews of my previous works.. PS! With my bid you will get one week free support for work done méně
  • Zaměstnejte uživatele servermaster
  • Zaměstnejte uživatele     Ahmed1elhadidi
Zaměstnejte uživatele     Ahmed1elhadidi

    Ahmed1elhadidi Ahmed1elhadidi

    Egypt $50 USD / hod.
    ✅Mobile Apps ✅ Cybersecurity ✅TOP 3% ✅ Preferred
    Egypt
    4.1
    3 recenzí 3 recenzí $50 USD za hodinu
    I'm Ahmed, I hold a BSC in Computer Science and Mobile Development. I do my best to reflect My passion on the quality of my code. I'm a highly skilled developer with excellent UI skills and deep knowledge of iOS and Android. Previously a CTO in a small startup EMIC (Before Switching to Freelancer.com). Experienced...
    I'm Ahmed, I hold a BSC in Computer Science and Mobile Development. I do my best to reflect My passion on the quality of my code. I'm a highly skilled developer with excellent UI skills and deep knowledge of iOS and Android. Previously a CTO in a small startup EMIC (Before Switching to Freelancer.com). Experienced in: ✅ Flutter framework (Dart). ✅ iPhone, iPad, and Apple Watch development and Android. ✅ Clean software architectures. ✅ Reactive programming (RxSwift and Combine). ✅ Third-party dependencies (Cocoapods, Carthage, and SPM). ✅ Good daily practices (GitFlow, Continuous Integration, Continuous Delivery, Testing...). ✅ Databases: Core Data, Realm, SQLite, Firebase, Supabase. ✅ High UI skills, great design adaptations, and flawless, smooth animations. ✅ Push Notifications. ✅ Social Network integration: Facebook, Twitter, Instagram. ✅ Analytics: Firebase, Crashlytics, Google Analytics, AppsFlyer, Amplitude... ✅ CyberSecurity Penetration Tester. ✅ Red Team Certified By EC-Council. ✅ Advanced Python Programming méně
  • Zaměstnejte uživatele Ahmed1elhadidi
  • Zaměstnejte uživatele     rupa37
Zaměstnejte uživatele     rupa37

    rupa37 rupa37

    Nepal $35 USD / hod.
    System Administrator/DevOps Engineer/CICD/CLOUD
    Nepal
    4.0
    4 recenzí 4 recenzí $35 USD za hodinu
    I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise...
    I bring over 15 years of extensive experience in the fields of system administration and DevOps, making me a seasoned professional in managing and optimizing IT infrastructures. With a strong foundation in virtualization technologies, I excel in creating efficient and scalable virtualized environments. My expertise extends to a wide range of Linux systems, and I am well-versed in handling various distributions, ensuring their stability, security, and performance. I have a proven track record of successfully deploying web applications, guaranteeing smooth and reliable online experiences for users. One of my core strengths lies in managing system updates and applying security patches promptly, reducing vulnerabilities and minimizing downtime. My commitment to network security is unwavering, and I implement robust measures to protect data and maintain the integrity of systems. Furthermore, my proficiency in Cisco networking solutions allows me to design, configure, and troubleshoot complex network infrastructures, ensuring seamless connectivity and optimal performance. Additionally, I have a solid understanding of HPE (Hewlett Packard Enterprise) equipment, enabling me to efficiently manage and maintain these devices to meet organizational needs. With my extensive knowledge, practical experience, and dedication to staying updated with the latest industry trends, I am well-equipped to contribute significantly to any organization's IT operations, ensuring they run smoothly, securely, and efficiently. méně
  • Zaměstnejte uživatele rupa37
  • Zaměstnejte uživatele     AZTURK1
Zaměstnejte uživatele     AZTURK1

    AZTURK1 AZTURK1

    Azerbaijan $50 USD / hod.
    Microsoft® Certified System Administrator
    Azerbaijan
    4.0
    9 recenzí 9 recenzí $50 USD za hodinu
    I have 7 years of experience deploying and maintaining a wide range of systems and services. My expertise includes: ✅ Server Operating Systems: Windows Server 2003 to 2022, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP...
    I have 7 years of experience deploying and maintaining a wide range of systems and services. My expertise includes: ✅ Server Operating Systems: Windows Server 2003 to 2022, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP services. ✅ Virtualization: Microsoft® Hyper-V, VMware Hypervisors (ESXI, vCenter), Proxmox, VirtualBox. ✅ Cloud Computing Platforms: AWS Amazon Web Services, Microsoft®, Google Cloud Platform(GCP). ✅ Self-Hosted Clouds: NextCloud, OwnCloud, Seafile. ✅ File servers: IIS FTP, proftpd, FileZilla FTP Server, SAMBA. ✅ Web servers: IIS, APACHE, NGINX ✅Scripting: PowerShell scripting, Bash Scripting ✅Containers: DOCKER, Windows Subsystem for Linux (WSL). ✅Backup Systems Veaam Backup, Iperius Backup, UrBackup. ✅ Mail servers: POSTFIX, EXIM, Microsoft Exchange 2000 to 2019, QMAIL ,Zimbra ,Mail Enable , SmarterMail, hMail. ✅ Database servers: MySQL, PostgreSQL ✅ Firewalls: Windows firewall,ISA/Forefront TMG, MikroTik, PFSense, Zywall and other Routers; ✅ Data Storage Systems: Netapp, FAS, EMC, VNX; ✅NAS: FreeNAS, TrueNAS ,Synology, QNAP, Buffalo ✅ Monitoring ZABBIX, CACTI, NAGIOS ✅ Hosting Panels: WHM-cPanel, PLESK, CyberPanel, aaPanel Why Choose Me? ✅24 hours availability ✅Unlimited revisions ✅Fast response Microsoft® Certified ** MCSA | MCSE | MCT ** méně
  • Zaměstnejte uživatele AZTURK1
  • Zaměstnejte uživatele     farrukhahmed1988
Zaměstnejte uživatele     farrukhahmed1988

    farrukhahmed1988 farrukhahmed1988

    Pakistan $50 USD / hod.
    Network Architect & Optimizer | Cisco Certified
    Pakistan
    5.0
    27 recenzí 27 recenzí $50 USD za hodinu
    بسم الله الرحمن الرحيم I'm a seasoned network engineer with 12+ years of experience crafting secure, scalable, and high-performing networks for businesses of all sizes. My expertise lies in: • CISCO MASTERY: CISCO certified, adept in configuring, managing, and troubleshooting Cisco routers, switches, firewalls, and...
    بسم الله الرحمن الرحيم I'm a seasoned network engineer with 12+ years of experience crafting secure, scalable, and high-performing networks for businesses of all sizes. My expertise lies in: • CISCO MASTERY: CISCO certified, adept in configuring, managing, and troubleshooting Cisco routers, switches, firewalls, and security solutions. • SECURITY FORTRESS: Proactive in identifying and mitigating cyber threats through comprehensive security audits, vulnerability assessments, and robust firewall implementations. • PERFORMANCE ARCHITECT: Passionate about optimizing network performance, minimizing downtime, and ensuring seamless connectivity through continuous monitoring, fine-tuning, and troubleshooting. • NETWORK WHISPERER: I take complex network challenges and translate them into clear, actionable solutions, guiding clients with excellent communication and a proactive approach. I cater to: • SMALL, MEDIUM, & LARGE BUSINESSES: Securely optimizing networks for diverse scales. • STARTUPS & GROWTH: Building rock-solid network foundations for thriving businesses. • ENTERPRISE AUDITS: Uncovering & resolving vulnerabilities in complex environments. • CLOUD MIGRATION: Expertly guiding transitions to agile, scalable AWS networks. Let's collaborate to achieve your network goals. Contact me today for a free consultation! Skills in Networks o Expert in Packet Tracer, GNS3, EVE-NG Labs o Routing (EIGRP, BGP, OSPF, RIP, RIPng) o Subnetting & Supernetting o IPv4 to IPv6 Transition (Dual Stack, 6to4 tunnelling, NAT-PT) o Cisco Routers and Switches (NAT, PAT, ACL, STP, Tunnels, Wireless, IPSec VPN, etc.) o FortiGate | Fortinet Firewall Expert o Fortinet Firewall (Web Filtering, Antivirus, HA, OSPF, BGP, IPS, IPSec, VPN, NAT, Firewall policies, SSL VPN, etc.) o VLAN, Link-Aggregation, STP and setting layer 3 switches o Windows Server 2012, 2016, 2019, 2022 (AD, WDS, DHCP, RDS, DNS, etc.) o Network Report Writing o Network Documentation Skills in Graphic Designing o Adobe Photoshop o Adobe Illustrator o Logo Design o Vector Images o Business Cards, Brochure Designs, Flyers, Leaflets, T-Shirts, etc. o CV / Resume Design etc. Misc. Skills: o Article & Report Writing o Content and Blog Writing o Proofreading o File Formatting (PDF to Word and Vice Versa) & Editable PDF o MS Visio o Resume Writing o PDF Forms Creation méně
  • Zaměstnejte uživatele farrukhahmed1988
  • Zaměstnejte uživatele     JonJoensen
Zaměstnejte uživatele     JonJoensen

    JonJoensen JonJoensen

    Denmark $50 USD / hod.
    IT network expert, physicist and data scientist
    Denmark
    3.5
    6 recenzí 6 recenzí $50 USD za hodinu
    Experienced Network Expert with over two decades of proven success in architecting, deploying, and optimizing robust network infrastructures for diverse international enterprises including campus networks. Demonstrated proficiency across a comprehensive range of networking technologies, encompassing routing protocols,...
    Experienced Network Expert with over two decades of proven success in architecting, deploying, and optimizing robust network infrastructures for diverse international enterprises including campus networks. Demonstrated proficiency across a comprehensive range of networking technologies, encompassing routing protocols, MPLS, VPNs, SDNs, WAN, LAN, WiFi and cloud networking. Skilled in managing server hardware and diverse operating systems including Windows, Linux, and OS X. I am proficient coding in Python, Powershell and BASH, and have extensive experience generating management and C-Level reporting with the likes of Python, PowerPoint and PowerBI. Given my scientific background I am also able to work in systems like Wolfram Mathematica and Wolfram Alpha. Renowned for ensuring network security, compliance, and operational efficiency while driving strategic initiatives to meet organizational objectives. Passionate about delivering superior solutions that exceed client expectations. méně
  • Zaměstnejte uživatele JonJoensen
  • Zaměstnejte uživatele     Adminical
Zaměstnejte uživatele     Adminical

    Adminical Adminical

    Pakistan $50 USD / hod.
    Certified IT Professional - 25 Years Experience
    Pakistan
    3.2
    1 recenze 1 recenze $50 USD za hodinu
    With 25 years immersed in IT and technology, I offer a depth of expertise across a multitude of disciplines Experience Snapshot Systems Administration - Seasoned in Linux, Ubuntu, Windows Server, and adept with AWS, Azure, and Google Cloud. Network Architecture - Skilled in designing and implementing robust network...
    With 25 years immersed in IT and technology, I offer a depth of expertise across a multitude of disciplines Experience Snapshot Systems Administration - Seasoned in Linux, Ubuntu, Windows Server, and adept with AWS, Azure, and Google Cloud. Network Architecture - Skilled in designing and implementing robust network architectures, including LAN/WAN setups, Cisco infrastructure, and VPN configurations. Security Protocols - Certified in information systems security, specializing in web, internet, and network security protocols to ensure comprehensive protection against cyber threats. Cloud Integration - Experienced in seamlessly integrating network infrastructure with cloud computing environments, leveraging technologies like Docker, Kubernetes, and cloud monitoring tools. Server Management: Expertise in administering web servers including Apache, Nginx, IIS, and proficient in cPanel/Plesk administration for smooth server operations. Virtualization - Proficient in managing virtual environments using VMware, VirtualBox, and ensuring optimal performance of virtual machines. Project Management - Skilled in IT project management, performance management, and system analysis, ensuring projects are completed efficiently and effectively. Core Competencies Adaptability - Versatile across various phases of IT projects, from development to deployment, ensuring seamless integration of network infrastructure. Problem-solving - Demonstrated ability to troubleshoot complex issues efficiently and implement effective solutions, minimizing downtime and maximizing productivity. Security Focus: - Prioritizing security measures to safeguard network infrastructure from potential threats, ensuring data integrity and confidentiality. Efficiency - Streamlining processes and optimizing performance to deliver projects on time and within budget, maximizing ROI for clients. Collaboration - Excellent communication skills and a collaborative mindset to work effectively within teams or independently, fostering a culture of innovation and excellence. Professional Approach - Committed to excellence, attention to detail, and a passion for innovation. Whether it's developing robust network architectures, securing infrastructures, or integrating cloud technologies, I strive to exceed client expectations and deliver results that drive success. Let's Collaborate If you're seeking a seasoned professional with a proven track record in network infrastructure and IT, let's discuss how I can contribute to your projects and help you achieve your objectives. Reach out today, and let’s explore the possibilities together! méně
  • Zaměstnejte uživatele Adminical

, zde je několik offline freelancerů

, zde je několik offline freelancerů odpovídající ""