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  • $20 hourly

    • 5.0/5
    • (46 jobs)
    Are email issues slowing down your business? As a Top Rated Freelancer with 100% Job Success, I specialize in seamless Microsoft 365/Google Workspace email migrations and optimizing email deliverability to keep your communications flowing smoothly. CORE EXPERTISE ✅ Email Systems & Services: • Setup and configuration of Google Workspace, Microsoft Office 365, Zoho Mail, and dedicated mail servers. • Enhanced email deliverability through SPF, DKIM, and DMARC authentication. • Domain reputation management, blacklist/blocklist removal, and warming up email accounts using tools like Mailreach and Warmy. ✅ Domain & Email Infrastructure Setup: • DNS management (SPF, DKIM, DMARC records). • Troubleshooting email issues, including spam and deliverability problems. • Integration with marketing tools like Mailchimp, ActiveCampaign, and SendGrid. ✅ Advanced Deliverability Solutions: • Conducting email audits to identify issues impacting delivery. • Ensuring compliance with GDPR and CAN-SPAM regulations. • Building scalable and secure email infrastructures for businesses. ADDITIONAL IT SKILLS • Operating Systems: macOS, Windows, Linux/Unix. • Virtualization: VMware, Hyper-V, VirtualBox. • Networking: Cisco, Draytek, Fortinet, Juniper, and more. • Monitoring Tools: PRTG, Zabbix, Nagios. • System Automation: Hassio, Bash scripting, VBA. • Email Gateways: Barracuda, Exchange, Postfix, Zimbra. RECENT PROJECTS • Migration Specialist: Successfully migrated email systems between Google Workspace and Microsoft 365, and from other hosting platforms to Office 365. These projects often involved complex data transfer and domain setups. • Email Deliverability Improvement: Resolved spam delivery issues by configuring SPF/DKIM/DMARC, warming up email domains, and improving sender reputation for small businesses and enterprises. • Custom Email Infrastructure: Designed and implemented secure and scalable email systems for e-commerce platforms and manufacturing companies. WHY CHOOSE ME? • Proven Success: As a Top Rated freelancer with 100% job success, I’ve never failed a project or received negative feedback. • Attention to Detail: I ensure every email service is configured with precision, reducing risks of downtime and email delivery issues. • Commitment to Excellence: My experience managing IT systems for global companies and factories makes me well-equipped to deliver results that exceed expectations. CERTIFICATIONS & TOOLS • Advanced DNS & Email Deliverability Training • Familiarity with tools: Mailreach, Warmy, Zoho, Mailchimp, ActiveCampaign, and more • Whether you're looking for email migration, domain setup, or deliverability improvement, I’m here to ensure your email infrastructure operates seamlessly and meets your business goals. 📩 Let’s discuss how I can help you build a reliable email system today!
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    Google Docs
    System Administration
    Linux System Administration
    Backup & Migration
    Microsoft Excel
    Computing & Networking
    Video Editing
    macOS
    Adobe Premiere Pro
    Cisco
    CorelDRAW
    Adobe Photoshop
    Graphic Design
    Adobe After Effects
  • $45 hourly

    • 5.0/5
    • (5 jobs)
    Summary Of Skills An enthusiastic Python Developer with 10+ years of background in IT. Experienced in writing unit tests using pytest. Skilled in debugging and troubleshooting code issues. interested in modern technologies, especially everything related to automation. Extremely motivated and strive to provide a finished, high-quality product. Specialities include: experience in automating processes includes operation with network equipment, working with API, securing IT infrastructure.
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    Fedora
    Intrusion Prevention System
    Debian
    Border Gateway Protocol
    Cisco
    Enhanced Interior Gateway Routing Protocol
    Cisco Router
    System Security
    IPv6
    Linux System Administration
    FTP
    Cacti
    Intrusion Detection System
    CentOS
  • $33 hourly

    • 5.0/5
    • (4 jobs)
    Hello! I am Cisco and Juniper certified: CCNP Security, JNCIP-DC, JNCIP-ENT, JNCIA-Cloud, JNCIA-DevOps. I have deployed many solutions in Routing & Switching, Security, Wireless, based on Cisco, Juniper, and other vendors. My knowledge level is equivalent to CCNP/JNCIP certifications. My Skills: • Routing OSPF, ISIS, BGP, EIGRP, PBR, static. • Switching VLAN trunking, Link Aggregation, STP family, FlexStack, StackWise. • Redundancy VSS, MC-LAG, VRRP/GLBP, Failover on ASA, VCF(GRES and NSR) • VPN IPSec, Anyconnect, DMVPN, L2, and L3 VPNs, VPLS, VRF, Vxlan. • Wireless Mesh, WiFi Roaming, Hotspot, Standalone AP, VoWLAN. • Monitoring Netflow, SNMP, Nagios, Prime, SPAN, NCS, PRTG, NME. • QoS marking, shaping, policing, LLQ, CBWFQ. I can deploy the solution on devices such as: ✔ Cisco: ISR, ASR, Cat, NEXUS, WLC, ASA. ✔ Juniper: SRX, EX, MX, QFX, PTX, vSRX, vQFX, vRR ✔ Citrix: Netscaler Not networking: ✔ Docker ✔ Git ✔ Python 15+ years as Network Engineer
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    Internet Protocol Security
    Network Planning
    Cisco Router
    Cisco Certified Network Professional
    JNCIA-Junos
    Junos OS
    Cisco ASA
    Citrix ADC
    Cisco Certified Network Associate
    Brocade
    Network Administration
    VPN
    Extreme Networks
    Juniper
  • $25 hourly

    • 4.8/5
    • (15 jobs)
    My best is around network environment. - Build/ set up network from SOHO to Enterprise/ Internet Service Provider. - More than 10 years working with Juniper devices include router/switch and firewall. - Support issues related to VPN over Internet/MPLS, BGP/IGP routing - Traffic migration/integration - Connection Issues - Peering configuration - Network designation - Find/consult network devices match with your ideas. - Routing policy. Beside, I've completed Microsoft Azure course AZ-700 and learning AZ-104. I'm willing to implement stuffs like azure firewall, NSG, VPN, BGP and policy.
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    WiFi
    VPN
    Network Design
    PfSense
    Cisco Router
    Juniper
    Network Equipment
    Network Administration
    Network Engineering
    Network Security
    Cisco Certified Network Professional
  • $22 hourly

    • 5.0/5
    • (18 jobs)
    - Senior Network Admin with 10+ years experience monitoring, managing, configuring large network systems compose of LAN/WAN. - Administrating mix environments: Linux (CentOS, Ubuntu, CloudLinux, RHEL...), Unix (Sun Solaris) and Windows (Microsoft Servers, Exchange, AD, IIS, SCCM). - Expert Voip admin: +FreePBX, PBXAct, Elastix, TrixBox, Asterisk, Vicidial, UCM Grandstream, Cisco CUCM/CUBE/Video Conference/Webex, OpenScape. +Troubleshooting/provisioning IP phones (Sangoma series, GrandStream, Polycom, Cisco). +Experience with Voip providers such as Flowroute, Twilio, Telnyx, Vonage, Vitelity, Voipinnovation, Irmatel, Maxo Telecom. +Strong experience in deploying IP-PBX systems on VPS and dedicated server. +Integrating Asterisk/FreePBX/Elastix/Vicidial with VtigerCRM (Click-to-call, ssl sending mail...). +SMS over XMPP to send/receive sms with VOIP providers (such as Twilio...) - WHM, Cpanel, Vmware Sphere, Wordpress. - Cloud hosting: AWS, Azure, Hetzner, OVH, Leaseweb, Goddady, Digital Ocean. - Passion in researching and deploying open source systems (Voip, Mail, DNS, LAMP). - Familiar with network device products: Cisco, Juniper, Avaya, HP, Checkpoint, AT&T, Netgear. - Proficient in Routing, Switching and Troubleshooting LAN/WAN, VPN: IPSec/L2TP. - Automation management: Ansible Playbook, Ansible Tower - Firewall Checkpoint: 4000 series, 5000 series, 15400. - Firewall Palo Alto PA-3050, Firewall Fortigate 200 series, 300 series, and Fortigate VM. - F5/Big-IP Load Balancer (I5000 series): Profile, Traffic Group, HA.... - Nginx/Nginx+ load balancing, Network Access Control (NAC). - Automation Alert/Monitor: Cacti, Syslog-ng through webhood ex Microsoft Teams/S.k.y.p.e/S.l.a.c.k. - Cisco Webex: Hybrid, Cloud, CVI, WebRTC, OBTP... - Zimbra Mail: multidomain deploying, SPF/DKIM/DMARC.
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    Elastix
    VICIDIAL
    VMware ESX Server
    VoIP Administration
    Linux System Administration
    Cisco Certified Network Professional
    FreePBX
    Network Administration
    Cisco ASA
  • $10 hourly

    • 5.0/5
    • (8 jobs)
    - Analyze errors on Windows, Windows server, IOS, ... - Server management skills (AD, DNS, File share, Cloud Drive, OneDrive, Office 365, ...) - Network infrastructure design and equipment selection. - Configure and manage 500 cctv with Dahua, Hikvision, KBvision,...
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    Microsoft Outlook
    Windows Administration
    Network Security
    Windows Server
    Remote IT Management
    Computer Network
    IT Management
    Troubleshooting
    Network Administration
    VPN
    IT Support
    Microsoft IIS
    DNS
  • $20 hourly

    • 0.0/5
    • (1 job)
    - Good at writing and speaking English. - Using computers' tool efficiently. - Good at IT filed, IT adviser. - Design network architecture - Troubleshoot network issues (routing, switching, firewalls) - Communicate with customers effectively.
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    Juniper
    Microsoft Excel
    Microsoft Word
    Data Entry
    Network Administration
    Virtual Assistance
    Network Engineering
    Vietnamese to English Translation
    Technical Support
    English to Vietnamese Translation
    Translation
    Vietnamese
    Native Fluency
    English
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