Hire the best Iptables specialists
Check out Iptables specialists with the skills you need for your next job.
- $35 hourly
- 4.8/5
- (71 jobs)
Technology Professional with experience in Data Center, Infrastructure and Network management. Specializing in the administration of Windows Server and Linux operating systems; VMWare vSphere and Hyper-V virtualization systems; And extensive knowledge in Networking, Active Directory, GPO, IIS, DNS, Microsoft Exchange, among othersIptables
Security InfrastructureUbiquitiNetwork EquipmentNetwork PlanningNetwork SecurityNetwork DesignFirewallLAMP AdministrationCisco Certified Network AssociatePfSenseWiresharkWireless Network ImplementationMicrosoft Exchange ServerWindows Server - $45 hourly
- 5.0/5
- (23 jobs)
My experience in the VOIP domain has been for 15 years. My customer satisfaction is my goal. I have extensive experience with Asterisk/Kamailio systems, as well as Linux and network administration. I have the ability to do advanced troubleshooting . My expertise on this: * Asterisk, Kamailio, OpenSips, FreePBX, A2billing, SIP, H323, IAX, Webrtc, hylafax, Asterisk-Pannel, iaxmodem, rtpproxy, MediaProxy, WebRTC, SipML5, SMS API, IVR (Interactive Voice Record),Wireshark * IP routing, router configuration (cisco, iptables routing), switch, Vlan, VPN (Ipsec linux, cisco vpn, fortigate, OpenFire). * Fail2ban, Iptables, OpenSwan, Squid, Cisco FirePower, Vmware, Proxmox * Php, Mysql, Postgresql, sqlite, Mongodb, Bash , LUA , Java, AGI, AMI * Roundcube, Zimbra, Zabbix, Smokeping, munin, Nagios, Cisco NetFlow, Voipmonitor * Git, Ansible, bitbuket, atlassian My time is my value. So when you choosing me you can expect that job will be done in short terms and perfect. I don't like to do something that not need be done. @linkedin linkedincom/in/alaeddine-hertelli/ SKYP:alasupcom1Iptables
OpenSIPSFreePBXPostgreSQLWiresharkAsteriskSession Initiation ProtocolKamailioVtigerMySQLBash ProgrammingPHPNetwork EngineeringLinuxVoIP - $45 hourly
- 5.0/5
- (112 jobs)
I'm UNIX/Linux System Administrator and DevOps engineer with 20 years experience. I have in setting up and managing servers, optimizing them for best performance and security aspects. I have expertise with setting up baremetal servers of various brands via IP KVM, IPMI, DELL DRAC, HP ILO. I'm working with virtualization platforms such as - VMWare, XEN, KVM, Microsoft Hyper-V, VirtualBOX. I'm working with cloud solutions as Amazon AWS, Google Cloud, Microsoft Azure I have set up and manage web servers using Apache/NGINX, configure HA clusters by using NGINX, Haproxy. The database servers administration MySQL, MariaDB, Percona, Oracle. Also, I have strong knowledge and experience with Windows Server various editions and Windows Dekstop platforms (Windows 10/11) I have great knowledge and strong experience with VPN technologies OpenVPN, PPTP, L2TP, IPSec, Wireguard. Very good knowledge and experience in troubleshooting.Iptables
Linux System AdministrationOpenVPNVPNWindows AdministrationVMware AdministrationNetwork AdministrationMySQLApache AdministrationFirewallFreeBSDDNSAmazon Web ServicesNGINX - $25 hourly
- 4.9/5
- (26 jobs)
Hello. My name is Anton and I have been working in IT over 15 years. I have experience in linux/centos or debian systems. Familiar with Windows systems. In my daily work I do different tasks. It's a mail server administration based on postfix/dovecot, network administration (I use openvpn solution for link remote offices), firewall administration, web server adminstration, database administration (mysql), windows server administration. Also I have expirience with bash/perl scripting for my administration tasks and perl web programming for intranet web server. My skills: Linux System Administration Automation using bash, and perl scripts Issue troubleshoot Firewall administration Database administrationIptables
RedminePostfix SMTP ServerLinux System AdministrationOpenVPNMySQLSquid - $35 hourly
- 5.0/5
- (167 jobs)
A satisfied client is the goal of my work. I have over 10 years of experience with many operating systems. I have experience in configuring, monitoring, updating and maintaining system hardware, software and related infrastructure. I have strong analytical skills. I can work with technologies from a variety of engineering disciplines to troubleshoot complex system-level problems. I am motivated, dedicated to my work, responsible for solving the tasks assigned to me. Business before pleasure!Iptables
PleskcPanelProxmox VEZimbra AdministrationMicrosoft WindowsLinuxDockerVirtualizationAzure DevOpsMicrosoft AzureAWS Systems ManagerAWS Server MigrationSystem AdministrationNetwork SecurityCloud Engineering - $60 hourly
- 5.0/5
- (37 jobs)
I am C and C++ expert in development for Linux, My main domain is computer networks: fast path, protocols. I am able to complete full cycle of development on server-side with high quality: from basic requirements to delivery with minimum supervision, including: requirement detailisation, planning, coding, debugging, deployment. I am strongest at: C,C++, Network Protocols, Python, Bash, Perl, TCL, Debugging, QT(PyQT), GNU tools, Golang Areas: Network protocols parsing and implementation Linux distributives customiztions Apache Modules Linux kernel modules Cloud computings Storage SystemsIptables
Computer NetworkBlockchainCEmbedded LinuxC++ - $180 hourly
- 5.0/5
- (107 jobs)
Telecommunication and Systems engineer with a focus on Cloud, Networking and Linux, experience in Infrastructure management and deployment. Deployed Private Cloud infrastructure, Datacenter Network Design for Multi-tenancy, fault-tolerant design, NIC Bonding and VRRP for High Availability. Stack: *Full virtual networking with vSwitches and vRouters *VLAN, VxLAN, GRE and Overlay tunnels *IPv6 *MP-BGP, EVPN *Firewalling *VPN/OpenVPN/IPSec/WireGuard/Site to Site and Client-Server * VPP/DPDK for 100G VPN and routing *Advanced Linux management: IPTables, Kernel modules, Virtualization, Networking. *Traffic engineering *Advanced StrongSwan IPSec tunnels, XFRM *Cloudstack with Open vSwitch *OpenNebula with Open vSwitch *OpenDaylight SDN controller with OpenvSwitch *Advanced Proxy setup with Squid/Nginx *Virtuozzo and OpenVZ *KVM and Libvirtd *RADIUS and FreeRADIUS *Pacemaker/Corosync/Keepalived HA cluster *MTLS design and implementation with NGINX *IoT gateway implementation with Raspberry Pi and 4G modems *DevOps experience with Chef and Ansible *Bash and Python scriptingIptables
Internet of ThingsApache CloudStackLinux System AdministrationOpenVPNComputer NetworkPrivate CloudKernel-based Virtual MachineSystem AdministrationFirewallUbuntuNetwork SecurityLinuxInternet Protocol SecurityNetwork EngineeringVPN - $40 hourly
- 4.9/5
- (98 jobs)
A highly trained technical individual who has knowledge in security, infrastructure and all layers of the OSI; is able to handle clients and provide them substantial support needed; has excellent communication skills; can lead technical team in field works.Tracked and routed problems and submitted instant resolutions at the shortest time possible. Asterisk/Freepbx/Elastix/SwitchVox VOIP Server deployment and configuration in Linux. Asterisk/Freepbx/Elastix/SwitchVox deployment and Support in VOIP Provider Setup Asterisk/Freepbx/Elastix/SwitchVox CallCenter Solutions Asterisk/Freepbx/Elastix Cloud (AWS and Digital Ocean) based installation, Configuration and troubleshooting. Asterisk/Freepbx/Elastix Cloud (AWS and Digital Ocean) based ongoing Support Asterisk/Freepbx/Elastix/SwitchVox Outbound, Inbound routes SIP Carriers routing Asterisk/Freepbx/Elastix/SwitchVox IVR, Voice Mailbox Asterisk/Freepbx/Elastix/SwitchVox SIP/PRI settings Asterisk/Freepbx/Elastix/SwitchVox Call Recording Asterisk Dynamic logins Asterisk Real Time Database Customization of Asterisk based Voicemail service Deployment of different Text to Speech and Speech to text systems Mysql and Asterisk based dynamic IVR using Text to speech engines like Festival, Cepstral and IBM Watson Real time Asterisk deployment Freeswitch/Fusion Pbx Installation and Configuration Freeswitch/Fusion Pbx Sip Profiles Freeswitch/Fusion Pbx Dial plan and Gateways settings Freeswitch/Fusion Pbx Directory users and groups Kamailio Installation, Configuration and Troubleshooting Kamailio Registrat Server Kamailio SIP Proxy Server Kamailio Realtime Configurations Wazo Installation and configuration Wazo complete deployment solutions Wazo and IBM Watson Speech to Text API successfull Implementation Wazo endpoint configuration Wazo server SIP Trunks configuration Wazo server Incoming and outgoing call routing Microsoft Teams Inbound/outbound Calls Microsoft Teams IVR etc Vicidial standalone installation Vicidial Cluster installation Vicidial inbound Campaign Vicidial outbound campaign Vicidial Blended campaigns Vicidial Customizations and integration with Asterisk servers Vicidial Carriers Settings, Campaigns and Leads deployments Vicidial agent and non agent apis Vicidial Support and Troubleshooting Yeaster UC100 setup, configuration and routing. Databases: MySQL and Postgresql Programming Skills: Shell Scripting, Php, Python, JSON, XML and JavaScript Python Django web development Django and Postgresql Django and ,MySQL Django Rest Framework for API Development a).Expert knowledge of Cisco ASA5505,ASA5510,ASA5520, SonicWall NSA 2400, NSA 2600, TZ170, TZ150, TZ300 and TZ400 Configuration and Deployment of ASA(s) at British American Tobacco Company Configuration and Deployment of ASA at International Resource Group Pakistan b).Expert knowledge of Cisco Rotuers and Layer2,Layer3 Switches Experience and good hand on Cisco Routing and Switching c).Expert knowledge of all kinds of VPN solution Implementation of Site to Site VPN between Telenor and CellTrack International DataCenter Implementation of Site to Site VPN between Warid and CellTrack International DataCenter Implementation of Remote Access VPN for British American Tobacco Company Implementation of Remote Access VPN solution for International Resource group Islamabad Installation, Configuration, Monitoring and Troubleshooting of Router(s), Switch(s), Firewall(s) and VPN(s) Specialties: VOIP Solutions Linux System Administration Shell Scripting Network Security Routing and Switching Network Design Python and Django Django Rest FrameworkIptables
CommunicationsPhone SupportMySQLCisco IOSVICIDIALVPNCisco ASAAsteriskLinux System AdministrationFreePBXCisco RouterUbuntuCentOS - $50 hourly
- 4.9/5
- (81 jobs)
Graduate in Electrical Engineering. Expertise in computer networking, cloud computing, IT and automation. Certificattions: Passed: AZ-305: Microsoft Certified Microsoft Azure Solutions Architect Expert Passed: AZ-104: Microsoft Certified Microsoft Azure Administrator Associate Passed: Azure DevOps Assessment (18473) I am a certified and an experienced azure cloud achitect and devops engineer. I assist with azure administration, creating azure architecures, azure migrations and azure devops. I have subject matter expertise in designing cloud and hybrid solutions that run on Microsoft Azure, including compute, network, storage, monitoring, and security. Have advanced experience and knowledge across IT operations, including networking, virtualization, identity, security, business continuity, disaster recovery, data platforms, and governance. Azure government cloud, migration from on-premise to azure cloud, from classic to ARM, Azure Virtual Desktop setup on azure and Office365 administration. I do have exchange on-premise setup nad management experience. AWS EC2, Elastic Kubernetes Service (EKS), ECR, RDS, IAM polices, backup, workmail, lambda, Serverless architecture, AWS automation. IaaC using Terraform, ARM templates, cheff/puppet for Azure and AWS. Vultr, OVH and digital ocean cloud resources management. Windows, SQL, MySQL and MariaDB server administration. Expertise with Linux distributions Centos, Ubuntu and Debian Container Management, kubernetes, docker/LXC containers. Web hosting using plesk, cpanel, webmin, apache and nginx. Web automation using selenium and nextcloud administration. Odoo administration and desiging templates for data migration. VPN and Proxy server setup and configurations. IPv6 and IPv4 bulk proxies creation scripts on linux servers. Mail Servers setup for bulk email sending and for organizations. Automation Tools: PowerShell, puppet, chocolatey, ansible, terraform, python, batch and bash scripts.Iptables
Microsoft Active DirectoryAutomationKubernetesAzure DevOpsIT ManagementWindows AdministrationAmazon Web ServicesTerraformCloud ArchitectureCloud MigrationLinux System AdministrationMicrosoft AzureMicrosoft Windows PowerShellBash ProgrammingDocker - $20 hourly
- 4.1/5
- (44 jobs)
I am a solutions-oriented IT professional with a passion for technology. I have notable success in working with a team of motivated individuals to coordinate multiple projects simultaneously. An ambitious professional always seeking ways to improve and remain relevant to advancements in technology.Iptables
PfSenseWireless Network ImplementationLAMP AdministrationMicrosoft Hyper-V ServerNetwork SecurityVagrantLinux System AdministrationCisco Certified Internetwork ExpertMikroTik RouterOSUbiquitiCisco IOSAmazon ECSAnsibleMicrosoft AzureGoogle Cloud Platform - $35 hourly
- 4.9/5
- (298 jobs)
CCSE, ITILv3 , Fortinet NSE4 CCNP R&S,CCNP Security. In the last 12 years, I have been working on various network products and have gained comprehensive experience in Cisco, Fortinet, Sonicwall, Checkpoint, HP, F5, Radware technologies. I have been involved in the design, configuration, and troubleshooting of Network products. Firewalls: Cisco ASA 5500 Series Cisco ASA 5500-X Series Cisco Firepower 2100Series Cisco Firepower 4100Series Fortigate 400F Fortigate 200F Fortigate 100F Checkpoint 5800 Appliance Checkpoint 12400 Appliances Checkpoint 12600 Appliances Sonicwall TZ Series Sonicwall NSA Series Pfsense ZTNA FortiGate ZTNA Load Balancers: F5 BIG-IP Application Delivery Controllers Radware Application Delivery Controllers Array Application Delivery Controllers Fortinet Application Delivery Controllers. Routers: Cisco, Arista, HP Switches: Cisco Catalyst Cisco Nexus N5K & N9K HP Switches Wireless Controller & Access Points: Cisco WLC, Aruba WLC Unify WLC MerakiIptables
Cisco RouterFirewallSonicWallCisco Firepower Threat DefenseFortiGate FirewallZero Trust ArchitectureWeb ProxyCisco ASACisco Certified Network ProfessionalLoad BalancingCheck PointNetwork SecurityCisco MerakiVPN - $40 hourly
- 5.0/5
- (316 jobs)
15 Years experience as Sr. Linux Admin, Unix Admin, System Admin, Storage Admin, Server Admin, Virtualization Expert as well as Database Admin Strong experience in installing, configuring, maintaining and troubleshooting anything on Linux/Unix/Windows, Raspberry * OS: Centos, RHEL, Ubuntu, Debian, Cloudlinux, Windows * System Backup and Recovery including System boot and kernel issues * Server Security and Server Hardening: FIREWALLD, UFW, IPTABLES, Selinux, TCP Wrappers, finding security vulnerabilities and resolving the issue using audit tools. * Server Management: User/Disk/File Management, Routing, Team Bonding, Linux Network, ISCSI, Multipath, Kannel, LVM, Partitions, RAID. * System Monitoring Tools: Whats Up Gold, Netflow, IFTOP, IPTRAF, Nagios, Zabbix, OSSEC * Data Center Management: Good experience in Management of Servers on Cisco, HP, IBM, Dell, Supermicro, etc. * Hardware and Software RAID * Network Sharing: NFS, VSFTPD, Samba, etc. * SAN/NAS Storage: HP, IBM, Dell, EMC, Netapp, Lenovo, etc. * Virtualization: Virtualizor, KVM, Xen, ESXI, Oracle VirtualBox, VMware, Vcenter Converter, etc. * Configuring and Managing LAMP/LEMP (linux, Apache, Nginx, Mysql and Php), SSL/HTTPS including Letsencrypt * cPanel/WHM, Webmin, Plesk, VirtualMin * Cloud: AWS, GCP, Digital Ocean, OVH, etc * Server Architecture: NTP, SSH, SQUID, DHCP, BIND, Postfix, Sendmail, VNC, Kannel, HA-Lizard, DRBD, XCD-NG, RSYNC, ISCSI, Multipath, etc. * Applications and Open Source Tools: WHMCS, Opencloud, Nextcloud, Zulip, OpenVPN, Polr, Odoo, Advandate, Openmeetings, TOR, Keycloak, Rocket chat, Opencanary, eSignForms, Apache Nifi * Linux Commands: Excellent Knowledge of Linux commands, Administration and Shell Scripting. * Streaming Solutions: Experience on Darwin Streaming Server, Wowza Streaming Engine, Xenon Live Encoder, Xenon Streaming Server, Xenon Streaming Mediator, Crypton Headends.Iptables
PleskcPanelMySQLVirtual Private ServerVMware ESX ServerLinux System AdministrationAmazon EC2Unix System AdministrationRed Hat Enterprise LinuxUnix ShellVirtualizationSSLLinuxUbuntuCentOS - $30 hourly
- 4.6/5
- (202 jobs)
Hello, Thanks for visiting my profile. This is Abid Ur Rehman, Certified Asterisk Developer DCAP, VoIP Consultant, VICIDial, FreePBX SCE, 3CX v18 and v20 Certified Advanced Engineer, Elastix ECE, GoAutoDial, The SIP School SSCA, PBXWare, A2Billing, FreeSWITCH, Twilio, FusionPBX, ASTPP, Network CCNA, Windows Servers MCSE, and Linux RHCE certified expert. I graduated with a BS in Telecommunication and an MSc in Telecommunication Networks. Having 10 years of VoIP/Linux/IT/Network planning, design, development, deployment, optimization, administration, and support experience in top-notch organizations such as Telappliant Ltd., Cybergen, SCB Global, Dialer360, and Primo Dialer. Skills and Certification: IP PBX: 3CX, Asterisk, FreePBX, Elastix, PBXware MT, FreeSWITCH, FusionPBX, Issabel, VoIPOffice Bitrix24 integration with FreePBX with or without the InforUnity module and with 3CX Pro/Enterprise. SMS Blast/Broadcast using SignalWire, VoIP.ms, Telnyx, Anveo, Bandwidth.com, Plivo, Skyetel, Twilio, VoxTelesys, BulkSolutions, Flowroute, Intelepeer, and BulkVS Telecom Billing: A2Billing, ASTPP, Yeti, VOS3000, and Magnus Billing. Dialer: VoiceBroadcast, VICIDial, GoAutoDial, VICIBox Multi-Server Clustering, Dialer360, Primo Dialer IP Phones: Aastra, AND phone, Algo, AudioCodes, Cisco, Cisco/Linksys, CloudTC, Cortelco, CyberData, Digium, H-Tek, Incom, Intelbras, Konftel, Mocet, Norphonic, Obihai, Panasonic, Patton, Phoenix Audio, Polycom, Snom, Thomson, Unidata, Uniden, VTech, Xorcom, Yealink, Yealink/Dreamwave IP PBX (hardware): Sangoma PBXact UC (and FreePBX phone system), Elastix IP PBX, Grandstream UCM, Yeaster S-series, Renegadepbx-1U-Appliance-with-FreePBX, Patton's SmartNode Branch eXchange (SNBX), SwitchVox, OpenVox. VoIP Providers: USA and Canada: Twilio, VoIP.ms, Switch2VOIP, SignalWire, Anveo, Alcazarnetwork, voxbeam, Telus, RingCentral, Call Centric, Voyant (Vitelity), Nextiva, bandwidth.com, Altotelecom, FlowRoute, QuestBlue, sip.us, DIDLogic, Nexmo, Plivo, siptrunk.com, Telnyx, IDTExpress, Zadarna SMS and BulkSMS: I can write code for you to send and receive SMS using any Asterisk and FreeSWITCH server and through popular providers like Telnyx, Twilio, Bandwidth.com, VoIP.ms, SignalWire. For bulk SMS, I can setup a code with the front-end for sending bulk SMS from a CSV . UK: Fuse 2, BT, VoIPTalk, DrayTEL, Telappliant, Gamma, sipgate, VoIPFone, VoiceFlex, Voicehost, Brightstar, Yellowgrid, Gradwell, T4com Ltd, Voxbeam, and Spitfire Linux Distro: CentOS, Redhat EL, Ubuntu, OpenSUSE, Debian, Back Track (Kali Linux) Windows machines: Windows Server 2012 and 2016, Windows Desktop 11, 10, 8, 7, and XP. Cloud Platforms: AWS EC2 and LightSail, GCP, Vultr, BlueHost, HostGear, Hetzner, and Digital Ocean Hypervisor: VMware ESXi, station and player, VirtualBox, ProxMox, oVirt, HyperV, I would be very happy to assist start-ups as well as SMEs in achieving their goals and business objectives. Thank you!!Iptables
TwilioVoIP AdministrationPBXFull-Stack DevelopmentVoIP PBXMySQLA2Billing3CXKamailioAsteriskFreeSWITCHLinux System AdministrationFreePBXVICIDIALVoIP - $60 hourly
- 4.9/5
- (127 jobs)
Hey, I’m an expert-vetted (Top 1%) Senior Full Stack Developer with 16,000+ hours (17 Years) of 'traceable experience' delivering customized SaaS/MVP/Mobile/dApp/Web applications for Fortune 500, MNCs, SMEs, and start-ups across diverse industries. I position myself as a strategic partner throughout the software development lifecycle encompassing; design, development, implementation, deployment, and ongoing support. I’ve delivered 1100+ projects for clients in 38 countries, consistently achieving 100% client approval and satisfaction. I follow software development best practices to ensure the delivery of high-quality applications. I have established a strong reputation in custom software development, feature enhancements, digital transformation, and cloud migrations. I optimize infrastructure architecture, performance, and conversion rates, automate business processes, and provide technical consultation, maintenance, and support services to SMEs and large corporations. From revamping the publication platform of the New York Sun to leading the digital transformation of SCTE's legacy system on a serverless infrastructure. Improving the conversion rate and user experience for Toyota North America's website or integrating SiriusXM with ARI and GS1 with Marketo funnel management system, I have a proven track record of delivering impactful results at scale. My strengths include developing cloud-native applications, coding programming languages, standalone and API-driven web applications, microservices architectures, and token-based RestFul API servers. I take pride in developing scalable enterprise applications and managing resources within constraints. With a 100% track record of delivering projects on time, my credo is to exceed client expectations by focusing on the last 20% (attention to detail) which yields 80% of the results. Whether you're looking for a skilled development partner proficient in the latest technologies, tools, frameworks, or libraries or an experienced technical consultant to modernize legacy systems or develop cutting-edge platforms from scratch, feel free to reach out!! ⦿ Technical Competencies: Full-Stack Development | Web and Mobile Development | Web Application | Android | iOS | Custom Web3 dApps | Smart Contract | Crypto Wallet | AI Agent Development | AI Bot | CMS Development | Machine Learning AI/ML | NLP | Data Analytics | ETL | SaaS Development | MVP | Database Architecture | API Development | dApp Development | Microservices Architecture | AWS | GCP | DevOps | MERN | MEAN | LAMP | QA/QC | ⦿ Toolbox: ⁃ Front-End Development: React.js, Vue.js, JavaScript, TypeScript, Tailwind CSS, HTML, Angular, jQuery ⁃ Back-End Development: Node.js, Express.js, Next.js, NestJS, Nuxt.js, Python, Django, Laravel, PHP, Golang, Rust, C++, Zig, Firebase, Ruby on Rails, Kotlin, Swift, Flutter ⁃ Database Management: MySQL, MongoDB, PostgreSQL, BigchainDB ⁃ Blockchain Oracles: Ethereum, Solana, Solidity, Anchor, Secure Crypto Wallets, DeFi, DEX, Crypto Hyperledger Fabric, Web3.js, Ethers.js ⁃ Messaging/Queuing: Apache Kafka, RabbitMQ, Amazon SQS, Redis Streams, NATS, Adaptive Aeron ⁃ API Integration: RESTful APIs, REST, FastAPI, GraphQL, gRPC, OpenAPI, WebSockets ⁃ AI Integration (NLP): Open AI, Claude, Gemini, ChatGPT, Llama ⁃ Machine Learning (AI/ML): AI Agent, AI Bot, Python, TensorFlow, PyTorch, LangChain, OpenAI GPT, FastAPI, Apache Spark, Hugging Face, AWS SageMaker, OpenCV, Vertex AI ⁃ AWS Tools: Lambda, CloudFront, EC2, S3, Kinesis, Kubernetes, Docker, Nginx ⁃ Custom Development: AI SaaS Apps, EdTech Platforms, Healthcare, Medtech, Business Process Automation SaaS apps, ERP systems, IoT devices, dApps, DeFI apps, DEX apps, AI chatbot ⁃ Version Control: Git, GitHub, Bitbucket ⦿ Notable Clients & Industry impact: ⁃ NCR Voyix – Led full-stack digital transformation for a NYSE-listed company, improving its retail, restaurant, and banking systems. ⁃ SCTE-ISBE – Developed an enterprise Learning Management System (LMS) for an international regulatory body. ⁃ Toyota North America – Delivered high-performance digital solutions for a leading automotive manufacturer. ⁃ The New York Sun – Built scalable publishing and subscription systems for a Pulitzer Prize-winning media company. ⁃ GS1 – Engineered a global supply chain management system governing over 150M+ barcodes worldwide. ⁃ Hitachi Consulting – Provided high-impact technology solutions to modernize industrial operations. ⁃ LearnForce – Developed one of Europe’s largest multi-tenant EdTech platforms. ⁃ Johnson & Johnson – Contributed to pharmaceutical digital transformation & healthcare technology advancements. ⁃ SiriusXM – Engineered AI-driven streaming integrations for a market-leading satellite radio platform. ⁃ Finalmouse – Designed & developed custom hardware-software integration for premium gaming peripherals. ⁃ MonkeyTilt – Designed & developed a blockchain-based gaming & sports betting platform.Iptables
API IntegrationC++PythonJavaScriptAPIWeb DevelopmentAI Agent DevelopmentNext.jsAI App DevelopmentNode.jsReactRustGolangWeb ApplicationFull-Stack Development - $35 hourly
- 4.7/5
- (19 jobs)
Hi all, I'm DevOps Engineer with 6 years of professional DevOps experience. Please check a brief summary below: - AWS services (EC2, S3, Route53, IAM, CloudFront), Digital Ocean, Docker, Kubernetes - Configuration, administration, support of clients and servers Windows and Linux operating systems and other software. (AD, HTTP, TCP/IP stack, DNS, DHCP, NAT, Zabbix, Zimbra, ServiceDesk, Redmine, Jira) - Active Directory - Scripting languages: Bash, Python - CI/CD based on Jenkins, Gitlab-CI - Maintenance of networks and MikroTik-based, Ubiquiti-based systems If you are looking for a reliable, creative and experienced IT professional, you have come to the right place - I will eagerly become your longtime partner. Let's start to work together!Iptables
Web DevelopmentWeb ApplicationAmazon ECS for KubernetesGrafanaCloud EngineeringAmazon S3DevOpsAWS LambdaTerraformAzure DevOpsCI/CDDockerKubernetesAmazon ECSGitLab - $50 hourly
- 5.0/5
- (18 jobs)
You're reading just right ➡️ I work as a DevOps Lead for Katalon, the developer of Katalon ― an automation testing software tool, specializing in Kubernetes, AWS, Google Cloud Platform, and RedHat OpenShift ⭐ 10+ years of experience in DevOps and Cloud Infrastructure, specializing in Kubernetes 🎖 CKA certified ― Certified Kubernetes Administrator Kubernetes practitioner who is comfortably familiar with all Kubernetes-based cloud providers: ■ AWS Elastic Kubernetes Service EKS ■ Azure Kubernetes Service AKS ■ GCP Google Kubernetes Engine GKE ■ RedHat OpenShift ■ K3S I demonstrate in-depth knowledge and excellent experience with Kubernetes Deployment, Microservice Architecture, Docker Deployment, Microservices Deployment, Mobile Deployment, Infrastructure as Code, Application Performance Monitoring/Management (APM), Managing source code, Automated testing, Security, Firewall DevOps toolkits that I am proficient in: Terraform, Jenkins, CircleCI, GitlabCI, Ansible, Vault, SonarQube, Nexus, Jfrog, Kafka, Zookeeper, ELK, Datadog, Grafana, Prometheus, Alert Manager, Slack integration, HockeyApp, Fastlane, Checkpoint 💬 Need some help on improve your infrastructure ? Let's have a talk and see what I help.Iptables
JenkinsComputer NetworkAmazon RDSDockerAmazon ECS for KubernetesAWS CloudFormationKubernetesPythonGolangLinux System AdministrationCI/CDAmazon Web ServicesDevOpsAnsible - $50 hourly
- 5.0/5
- (145 jobs)
25+ years Linux System Administrator Native Ukrainian. Living in Slovenia. Open for good offers. I know *nix very well. Just ask meIptables
DebianApache AdministrationMySQLMySQL ProgrammingFirewallNetwork AdministrationTCP/IPCisco IOSUnix System AdministrationOpenVPNLinux System AdministrationSQLLinux - $120 hourly
- 5.0/5
- (39 jobs)
DevOps Architect ⚙️ | Cloud Platforms ☁️ | CI/CD 🚀 | SRE 🔧 | Networking & Security 🔒 A seasoned professional with over 18 years of hands-on experience in advanced multiplatform DevOps, system administration, and programming. Expertise in architecting and managing large-scale infrastructure on cloud platforms, implementing CI/CD pipelines, and ensuring network security. Proven ability to deliver high-performance solutions, improve system reliability, and align IT operations with business goals. --- ⚡ Core Competencies • ☁️ Cloud Platforms: AWS, Google Cloud Platform (GCP), Microsoft Azure, Yandex Cloud, DigitalOcean, Alibaba Cloud (AliCloud), Scaleway • 🚀 CI/CD & Automation: Jenkins, GitLab CI, GitHub Actions, Bitbucket Pipelines, CircleCI • 🐳 Containerization & Orchestration: Docker, Kubernetes, Helm • 🛠️ Configuration Management: Ansible, Puppet, Chef • 🏗️ Infrastructure as Code (IaC): Terraform, CloudFormation • 📈 Monitoring & Logging: ELK Stack (Elasticsearch, Logstash, Kibana), Prometheus, Grafana, Datadog, New Relic, Icinga2 • 🌐 Networking & Security: VPN, DNS, SSL, Firewalls, Load Balancers (HAProxy, NGINX), SOC2 Compliance • 💻 Operating Systems: Linux (Debian, CentOS, Ubuntu), FreeBSD, Windows, Vagrant, VMware • 🔄 Version Control & Collaboration: GitHub, GitLab, Bitbucket, Jira, Slack, Confluence • 🗄️ Databases: PostgreSQL, MySQL, MongoDB, Redis, Memcached • 💻 Scripting & Programming Languages: Bash, Python, Ruby, Java, PHP, Node.js • 🕸️ Web Servers & Stacks: Apache, Nginx, LAMP, Node.js, Ruby on Rails, WordPress, Magento • 🔐 Security & Compliance: SOC2, ITIL, ITSM, Drata --- 📚 Additional Skills • 🔒 Cloud Security: IAM, Security Groups, VPC, Encryption (KMS) • ⚙️ High Availability & Scalability: Auto-scaling, Load Balancing, Disaster Recovery Planning • 🛠️ DevOps Practices: Site Reliability Engineering (SRE), Blue-Green Deployments, Canary Releases • 🗄️ Database Administration: Backup & Recovery, Replication, Performance Tuning • 💰 Cost Optimization: Cloud Cost Management & Budgeting, Reserved Instances, Spot Instances • 📜 Certifications: AWS Certified Solutions Architect, Google Professional Cloud Architect, Azure DevOps Engineer Expert --- 🎯 Specialization • ⚙️ DevOps & Automation: Streamlining software development processes through automation, reducing time-to-market, and improving system resilience. • ☁️ Cloud Architecture: Designing and implementing secure, scalable, and cost-efficient cloud infrastructure across various providers. • 🔒 Networking & Security: Ensuring secure communication and robust network architectures, adhering to best practices in security and compliance (SOC2). ---Iptables
KubernetesCI/CDDockerInfrastructure ManagementAmazon PluginDevOpsNetwork MonitoringLinuxSystem AdministrationGoogle Cloud Platform - $50 hourly
- 4.9/5
- (328 jobs)
Certified AWS Solution architect. I am having more than 12 years of experience in Installing, configuring and administrating various type of *nix servers using various opensource and closed source software for various customer requirement in the industry. My major expert areas in summary:- #Cloud environment :- Amazon Web Services, Google Cloud, DigitalOcean #Email deliverability: PowerMTA, Interspire, MailWizz, Amazon SES #Operating Systems :- Redhat, CentOS, Ubuntu, Dabian, Gentoo, HP-UX, Aix, SunOS,. Windows workstations and Servers 2000, 2003, 2008 R2, etc., #TCP/IP networking :- Advanced ip routing, forwarding, filtering and firewall with Netfilter Iptables #servers :- Sendmail, Postfix, Dovecot, Courier IMAP, Squirrelmail, Roundcube, BIND, Apache, VSFTPD, DHCPD, Squid, Samba #Monitoring and remote admin :- Log analizing with Sarg,Monitoring serves with Nagios and icinga ,Remote desktop with FreeNX, Remote Admin SSh/Telenet #Scripting :- Bash scripting, Perl, Python #Web and Database :- postgresql, MySQL, Oracle HTML #CMS: Drupal, Magento, Wordpress Thank you. Best Regards. FabrizioIptables
DockerEmail DeliverabilityNetwork AdministrationDovecotLAMP AdministrationPostfix SMTP ServerLinux System AdministrationUnix ShellMail Server ImplementationApache AdministrationUnix System AdministrationServer VirtualizationAmazon Web ServicesNGINX - $35 hourly
- 5.0/5
- (113 jobs)
IT professional with more than 8 years of hands-on experience with: ● Cisco Enterprise Switches (2960-4500) ● Cisco SB Switches ● Cisco Routers (800-2900) ● Cisco ASAs (5505-5540) ● Juniper SRX Appliances (210-650) ● Juniper EX Switches (2200-4200) ● Site-to-Site VPN ● Remote Access VPN ● Network Monitoring ● Topology Planning I am result-oriented and always do my best to fulfill the client’s needs. I have strong practical skills in network infrastructure design and troubleshooting, as well as in configuration of different types of network devices of major vendors.Iptables
Microsoft AzureCisco ASAFirewallInternet Protocol SecurityOpenVPNCisco RouterJunos OSNetwork SecurityVPNJuniperVirtual LANNetwork Design - $49 hourly
- 4.9/5
- (176 jobs)
Hello , My name is Ahmed Alzaeem . Cisco ISP Network Engineer ,Tier1 ISP NOC engineer , More than 10 years experience. Asterisk Pbx Developer VPN Expert , WIFI Networks Operator , Squid cache Proxy expert . Developer for Many residential Proxy service Providers . Consultant with significant design and implementation complex networks. Windows servers administrator , Linux systems administrator , Mikrotik routers boards and Security consultant.Most experienced with VPN/Proxies over IPV4 & IPV6 protocols . Internet optimisation and QOS expert. Always meets client demands and develops good long-term customer relationships. my skills are below : Cisco ASA firewalls IPS/IDS Cisco IOS VPN/Socks5 IPV6 Protocol Squid Cache proxy DVR & CCTV systems Tunnelling & Traffic encryption SNMP Monitoring & Netflow Technical Support OpenDns Filtering VOIP Asterisk , Freepbx & Elastix Wifi Planning Raspberry Pi Pfsense firewalls Quality of service Linux iptables Linux Bash scripting PHP/Mysql Windows server administration MikrotikIptables
DebianSecurity Operation CenterPythonOpenVPNWireless Network ImplementationSquidCisco IOSBash ProgrammingAsteriskNetwork SecurityCentOSIPv6Internet Protocol SecurityVPNCisco ASA - $70 hourly
- 4.7/5
- (211 jobs)
6+ years as DevOps 8+ years as Virtualization / Cluster Expert 12+ years as Linux/BSD administrator 15+ years as Network Engineer 16+ years as Systems Administrator I can help you with: ➢ Virtualization: KVM, Xen, OpenVZ, LXC, LXD, FreeBSD Jail, Proxmox, VDSmanager, Docker ➢ Management: Proxmox, OpenNebula, OpenStack, oVirt ➢ Storage: CEPH, LizardFS, DRBD, SCSI, ISCSI, SAN, NAS, LUNS, ZFS ➢ Orchestration: Puppet, Foreman, Ansible, Chef, Salt ➢ High availability: Corosync, Pacemaker, MySQL cluster, Multipathing, Bonding ➢ Monitoring: Zabbix, Monit, Cacti, ELK(Elasticsearch+Logstash+Kibana) ➢ Backup & Archiving: Bacula, rsyncIptables
DevOpsLinux System AdministrationProxmox VEUnix ShellStorage Area NetworkCloud ComputingNetwork AdministrationDockerZabbixVirtualization - $60 hourly
- 5.0/5
- (169 jobs)
For more than 20 years, I have been working Microsoft technologies specifically Windows Server 2000/2003/2008/2012, Microsoft Exchange Server, IIS. My major competency is server configuration, maintenance and troubleshooting: Active directory, GPO, DHCP, DNS, Hyper-v, I have worked as a System Administrator both for Windows & Linux. I am VCP5, MCP, MCSA, Network+ Installed & Configured Microsoft Exchange 2010 Migrated 800 Mailboxes from M. Exchange 2003 to Microsoft Exchange 2010 Migrateed Sysaid (SysAid: ITSM, Help Desk Software, Ticketing System) from Windows to Linux Centos Migrated Platform from Windows 2003 to Windows 2008 r2 sp1 Installed & Configure & Manage Vcenter/Vmware Esxi 5.5 Migrated from physical to Virtual of the Services. Implemented AD+DNS+DHCP+ on Windows 2008 r2 sp1 Install & Configure Centos/Apache & LAMP (Linux-Apache-Mysql-Php) stack (vhost) for the Gov. Installed & Configured Fortigate 600D UTM Install & Configure Storage Area Network (SAN) for the Virtual Environment (HP MSA, DELL SC4020, NetApp) Implement Esxi Best Practice Data Recovery of Critical Data Installed & Configured Microsoft Sql Server 2014 for Project Managed DNS Server/Cloudflare House Monitored and Improved Security Installed & Configured & Manage Nagios On Ubuntu Installed & Configured & Manage FileServer Installed & Configured Load balancers for Web Server Installed & Configured & Manage VPN ServicesIptables
SSL CertificateNGINXMail Server ImplementationData RecoveryPostfix SMTP ServerDovecotSambaMac OS X AdministrationVMware AdministrationMicrosoft Exchange ServerLinux System AdministrationWindows AdministrationMicrosoft Hyper-V ServerNetwork SecurityVirtualization - $35 hourly
- 3.9/5
- (42 jobs)
I'm looking for long-term contracts first. 15+ years in various IT related areas. TZ independed Great experience in various cloud infrastuctures. Good knowledge of DevOps methodology and tools. VoIP (PBXes asterisk, freeswitch, sip-proxies) Good at ITIL. OS: Linux (more than 10 years experience), RHEL/CentOS, Debian/Ubuntu OS MS Windows Server, Linux. VOIP Asterisk, FreeSwitch, various proprietary systems. Clouds: AWS 4+ years, Azure.2+ years (various services) CI/CD: Jenkins,Github actions. Repositories: GitHub, Bitbucket. MCITP DBA MS SQL. Goоd knowledge of MySQL (and forks), PostgreSQL too. Office 365 (include Exchange Online, SharePoint Online, One Drive, MS Teams) Google Workspaces (GSuite), Containers: Podman/Buildah, Docker, Kubernetes. Networking: routing, switching, DNS, DHCP, VoIP, security etc. Scripting: bash, powershell. Monitoring: Zabbix, Prometheus/GrafanaIptables
Microsoft Active DirectoryInternet SecurityFirewallVPNNetwork EngineeringFFmpegPfSenseVoIP AdministrationAsteriskWindows ServerLinux System AdministrationDevOpsMicrosoft Windows PowerShellBash - $40 hourly
- 4.9/5
- (43 jobs)
I'm a professional network engineer holding Cisco CCNP certificate. I have 5 years of experience in IT networks. My specialties: - Design and implement medium and large scale enterprise networks and deliver technical reports for them. - Configure Cisco routers (ASR 1K & 9k, 2900, 2800), Switches (6500, 3750, 2900, SG- 300, SG-500) and Firewalls (ASA 5505, 5506x, 5508). - Configure Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Network Simulation using Packet tracer and GNS3 - Data analysis with Wireshark.Iptables
Cisco ASAWide Area NetworkCisco RouterFortiGate FirewallCisco IOSMultiprotocol BGPPalo Alto FirewallsNetwork Administration - $145 hourly
- 4.9/5
- (194 jobs)
Software developer and occasional devops guy with decades of experience working up and down the Linux software stack -- I've done everything from systems administration and devops to application programming and kernel hacking. I have been involved with cryptocurrency since 2013 and have an understanding of the underlying technologies, market fundamentals, and macro/micro market cycles within the space. Accomplishments include: * Doubling the performance of Oracle's BlueKai ad serving platform, saving millions of dollars in yearly data center costs. * Designing AnchorFree's OpenVPN and Apache-based VPN and ad- delivery platform used to serve millions of ads per day. * Designing a virtual file system layer and associated Apache module that increased site I/O throughput by 400% and obviated the client's poorly-performant proprietary storage system.Iptables
CryptocurrencyLinux System AdministrationKernelSystem ProgrammingDevOpsBitcoinAndroidEmbedded LinuxRaspberry PiC++ - $27 hourly
- 5.0/5
- (38 jobs)
Expert DevOps and Full Stack Engineer with More than 5 years of experience as a Cloud Architect. DevOps expert with a focus on deploying cost effective microservices based solutions in the cloud and local machines ,that can meet the demands of your application while being able to scale. My ability to not only deliver on solutions but also interact like a pro in customer facing situations, makes me an ideal part of any clients team. Whether you need to migrate your workloads to the cloud, optimize your application, well-architect highly-available cloud infrastructure, or automate pipelines and deployments, I have the experience and expertise to help. With most of my projects, I am responsible for everything from ground up. This, of course, includes the development lifecycle, automated release pipelines, automated deployments, version control, and Infrastructure-as-Code. I have vast experience with designing and developing system architectures in Amazon Web Services, Microsoft Azure, and Google Cloud. Have knowledge of technologies which include Docker, Kubernetes, ECS, Azure, Jenkins, Elasticsearch, RDS Aurora, and Terraform, Cloudformation, I am also experienced in Azure devops , Codepipeline, Codebuild, and Ansible.Iptables
System AdministrationGoogle Cloud PlatformApplication Release AutomationJenkinsPythonBashVMWareCentOSNetwork AdministrationUbuntuServerApache AdministrationLinux System AdministrationNGINX Want to browse more freelancers?
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