Freelancers do zatrudnienia
Wyświetlono 862 wyników
Wykonawcy sponsorowani
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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 mniej
Zatrudnij servermaster
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Hi, I am a Linux System Administrator with over 9 years of experience in Web Hosting, Web Security, and Malware Cleanup. I'm experienced in Linux:- Debian, Ubuntu, Centos, Redhat,Fedora, AlmaLinux Cloud:- AWS, Google Cloud, Azure, Ali Cloud, IBM, OVH, Linode, Digitalocean, Vultr, Scaleway Web server:- Apache,...Hi, I am a Linux System Administrator with over 9 years of experience in Web Hosting, Web Security, and Malware Cleanup. I'm experienced in Linux:- Debian, Ubuntu, Centos, Redhat,Fedora, AlmaLinux Cloud:- AWS, Google Cloud, Azure, Ali Cloud, IBM, OVH, Linode, Digitalocean, Vultr, Scaleway Web server:- Apache, Nginx, Litespeed, IIS Database;- MySQL, MariaDB, Postgres, Amazon Aurora Mail server/system:- Zimbra, Postfix, Dovecot, iRedMail, Sendmail ERP/CRM :- Odoo, vTiger, Dolibarr, SugarCRM, SuiteCRM, YetiForce, ERPNext E-Learning/Video conference:- BigBlueButton, BBB API, Greenlight, Jitsi meet, Moodle LMS, Chamilio LMS, Open edx, Scalelite Control panel:- cPanel/WHM, Direct Admin, ISPconfig, Webmin/Virtualmin, CWP, Plesk, Vestacp, Hestia CMS/E-commerce platform:- WordPress, Joomla, Drupal, Magento, Opencart, PrestaShop PHP framework:- Laravel, Codeignitor, Zend Web security:- OWASP top 10, Burp suite, PCI DSS Thanks mniej
Zatrudnij sr33raj
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Bezpieczeństwo komputerowe, Pisanie artykułów popularnonaukowych, Pisanie artykułów technicznych, Cisco, Administracja sieci|==> 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 mniej
Zatrudnij rozeny2k
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creatixclick creatixclick
$25 USD / godzinę
☑️Tech enthusiast ☑️ Company owner ✅ Top 3%United StatesBezpieczeństwo serwisów WWW, Bezpieczeństwo komputerowe, Ochrona Internetowa, Certified Ethical Hacking, Web DevelopmentMy name is Constantin, I am 24 years old, and I am an active young man with high moral values who strives to bring the interaction between the client and me to a new level. I'm a tech enthusiast and company owner in Delaware, you can partner with me on the items below and more. Cybersecurity and Information Security...My name is Constantin, I am 24 years old, and I am an active young man with high moral values who strives to bring the interaction between the client and me to a new level. I'm a tech enthusiast and company owner in Delaware, you can partner with me on the items below and more. Cybersecurity and Information Security Skills: ✅Understanding of cybersecurity principles, protocols, and best practices. ✅Knowledge of different attack vectors, vulnerabilities, and common security threats. Pentesting Skills: ✅Proficiency in penetration testing methodologies, tools, and frameworks. ✅Ability to simulate various cyber-attacks to identify vulnerabilities in systems and applications. Static Application Security Testing (SAST) Skills: ✅Experience in using SAST tools to analyze source code for security vulnerabilities. ✅Understanding of common programming languages and their security implications. AWS Security Skills: ✅In-depth knowledge of AWS services, architecture, and security features. ✅Familiarity with AWS security best practices, including IAM policies, access controls, encryption, and logging. Threat Modeling Skills: ✅Ability to create detailed threat models for AWS infrastructure, applications, and data. ✅Knowledge of threat modeling methodologies and tools to identify potential security threats and vulnerabilities. Networking and System Administration Skills: ✅Understanding of network protocols, firewall configurations, and secure network design. ✅Skills in configuring and securing operating systems and services. Risk Assessment and Mitigation Skills: ✅Capability to assess risks associated with identified vulnerabilities and security threats. ✅Proficiency in proposing effective mitigation strategies and security measures. Communication and Reporting Skills: ✅Clear communication skills to explain security findings, risks, and recommendations to stakeholders. ✅Ability to produce detailed and organized reports outlining the security assessment results and suggested improvements. Continuous Learning and Keeping Updated: ✅Cybersecurity is a dynamic field; staying updated with the latest threats, vulnerabilities, and security technologies is crucial. mniej
Zatrudnij creatixclick
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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 mniej
Zatrudnij imranphp
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sohelranaict07 sohelranaict07
$25 USD / godzinę
Network & Security: CISCO | FORTIGATE | JUNIPERBangladeshHello there, I am a CCNA/CCNP trainer and professional network & security expert having more than 12 years’ experience of working with multiple organizations like Bank, NGO, ISP and vendors. Following are the benchmarks I have which might be helpful for employer to get an overview and choose me to serve their...Hello there, I am a CCNA/CCNP trainer and professional network & security expert having more than 12 years’ experience of working with multiple organizations like Bank, NGO, ISP and vendors. Following are the benchmarks I have which might be helpful for employer to get an overview and choose me to serve their requirement. ✅ I have certification of CCNP (R&S), RHCSA, RHCSE and training on CCNP Sec, MTCNA, F5 ASM & LB, Linux System Security, Information Security and Cyber Forensic. ✅ I am a professional CCNA & CCNP (R&S) trainer and have simulated lot of projects in packet tracer and GNS3. ✅ During my job period I mostly worked to design and deploy network & security infrastructure of several companies. ✅ I have good knowledge and experience of working on devices of multiple OEM like Cisco, Juniper, Mikrotik, F5, Sophos, Fortinet, PfSense, SonicWall etc. ✅ I have expertise in Cisco ACI (Data Center Solution), Routing & switching, Firewall (FTD & ASA), wireless, collaboration, WSA, ESA, ISE, F5 Application Security Manager & Load Balancer, Mikrotik BW Manager etc. I will be glad if the above mentioned criteria makes you realize that I am able to meet your requirement then would like to request to have a brief discussion on your project and requirements first after that award me with the work order. I always try to keep my words given to employer and I believe it helps me a lot to deliver my work on time. Thanks with best regards, Rana mniej
Zatrudnij sohelranaict07
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I am an expert network and security administrator and I have 10 year’s practical working and teaching experience in network and security also i am en expert in data entry jobs and excel Microsoft office. I am a CCNA instructor and I have CCNA, RHCE, RHCSA certifications. I have expertise in CISCO routing and...I am an expert network and security administrator and I have 10 year’s practical working and teaching experience in network and security also i am en expert in data entry jobs and excel Microsoft office. I am a CCNA instructor and I have CCNA, RHCE, RHCSA certifications. I have expertise in CISCO routing and switching, firewall, IPS, ISE, voice and wireless solution from my 10 years’ practical experience. I have also fluency in English and Hindi speaking. I am Expert in GNS3 and Packet Tracer. ===================================================================================== Technical Skills: Good understanding and knowledge of TCP/IP, OSI Layer. L3 technologies: RIP, EIGRP and OSPF and BGP in CISCO 800, 1900, 2900, 2800, 2800, ISR 4300, 4100, ASR 1000 series. L2 technologies: VLAN, VTP, STP, Trunking, HSRP, VRRP, SPAN, RSPAN, DHCP Snooping, Dynamic ARP Inspection, ARP ACL etc in 2900 series and L3 switches. NXOS and ACI: Configure and install CISCO nexus 9k and CISCO ACI solution like Bridge Domain, VRF, end point group tenant etc. Cisco ASA and Next Generation Firewall: ACL, NAT, Transparent Mode, Multiple context and Failover (Active/Active, Active/Standby) Site-to-Site VPN, Remote Access VPN and SSL VPN. Cisco Firepower IPS and Firepower Management Center (FMC): ACL, NAT, Intrusion policy, AVC, Malware & File Policy, Site-to-Site VPN, Remote Access VPN and SSL VPN etc. F5 Load Balancer and ASM: Installation and configure F5 BIG-IP Local Traffic Manager (LTM) load balancer and Application security manager. CISCO CUCM: Install and configure Cisco Unified Communication Manager 9.0 and 12.4. Mikrotik Router: OSPF, BGP, NAT, DHCP, L2TP, IPSEC, PPP, Firewall etc CISCO WEB and Email Security Appliance: Install and configure CISCO ESA and WSA So you are requested to first discuss the project and requirements and after being satisfied please awarded me with the work. And definitely work will be delivered in time and in best quality. Thanking You Kazi mniej
Zatrudnij rifat0103
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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. mniej
Zatrudnij rupa37
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Software engineer, developer, reverser. Focused on customer needing and high quality.Software engineer, developer, reverser. Focused on customer needing and high quality. mniej
Zatrudnij Torraske
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valeriivapirov valeriivapirov
$30 USD / godzinę
♛TOP Rated ⭐Verified | Full Stack | MERN | PythonUkraineHello, I am an accomplished Full Stack developer with a rich history in the industry. During my tenure as a senior Full Stack developer at the renowned digital production company "Onseo," I had the privilege of contributing to the successful creation of over 30 software projects. Front-end: React, Vue, Angular,...Hello, I am an accomplished Full Stack developer with a rich history in the industry. During my tenure as a senior Full Stack developer at the renowned digital production company "Onseo," I had the privilege of contributing to the successful creation of over 30 software projects. Front-end: React, Vue, Angular, CMS (WordPress, Shopify), package management, and API handling. Back-end: Node.js, Python/Django, PHP/Laravel, Java/Spring Boot, ASP.NET, and authentication. Databases: MySQL, PostgreSQL, MongoDB, Firebase. Beyond my technical prowess, I am driven by a relentless commitment to project success. I view each new challenge as an opportunity to expand my skill set and deliver innovative solutions. Let's collaborate and transform your ideas into reality. Together, we can build something extraordinary! mniej
Zatrudnij valeriivapirov
