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Computer Security Network Administration System Admin Web Security Windows Server
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Gajendra R.

@G8Bharat

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5.0
21

4.8

4.8

100%

15 years | CCNA | MSSE | AWS Certified

$30 USD / Hour

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India (10:29 AM)

Joined on April 19, 2023

$30 USD / Hour

Description: 👨‍💻 IT Professional with 15+ Years of Expertise in Systems Administration, Cloud, and Security I am a seasoned Windows & Linux Administrator with extensive experience in managing servers, cloud platforms, and secure IT infrastructures. Over the past 14 years, I’ve successfully delivered projects involving virtualization, security hardening, and enterprise-grade system deployments. My focus is on creating secure, optimized, and scalable environments tailored to business needs. 🌐 Systems Administration 🛠️ Skilled in Windows Server (2022/2019/2016) and Linux administration. 📂 Experienced in Active Directory, NPS, NAS, DFS file sharing, and printer management. 🔧 Strong background in Dell server hardware, storage setup, and maintenance. 🔒 Security & Authentication 🛡️ Security assessments with Nessus and Qualys. 🔑 Implementation of certificate-based authentication and Radius servers. 🔒 Designed RDP with MFA solutions to secure remote access. 🚨 Hands-on experience with DNS/DNSSEC and Cloudflare for domain security. ☁️ Cloud & Virtualization 🌩️ Proficient in AWS, Azure, Google Cloud, and Office 365 administration. 💻 Expertise in Proxmox, VirtualBox, and Hyper-V clusters. 📦 Designed and deployed multi-VM Hyper-V clusters on Hetzner and OVH cloud, including 📡 Monitoring & Optimization 📊 Proficient in IPMonitor, PRTG, and Nagios Core for proactive system monitoring. 🖥️ Implemented alerting and dashboards to maximize uptime and performance. 🤝 Collaboration & Service Desk 📋 Experienced with Jira Service Desk for IT support management. 💬 Microsoft Teams administration for seamless organizational collaboration. 🔧 Troubleshooting Expertise 🛠️ Known for resolving complex IT issues quickly and effectively. 🔍 Strong skills in diagnosing root causes of outages and performance issues. 🌟 Recent Project Highlight: Hyper-V on Hetzner & OVH Cloud I recently completed a deployment of a Hyper-V cluster hosted across Hetzner and OVH cloud platforms. The project involved: 🔐 pfSense firewall for network segmentation. 🏢 Windows Domain Controller setup with Active Directory. 🌍 Hosting web servers for client-facing apps. 📂 DFS file sharing with replication. 💾 Veeam backup and disaster recovery plan. 🔑 RDP with MFA to secure remote access. This end-to-end solution delivered security, redundancy, and scalability, ensuring high availability for business-critical services. 💡 Why Work With Me? I deliver IT solutions that are: 🔒 Secure – with MFA, firewalls, and proactive vulnerability management. 🚀 Scalable – built on modern cloud and virtualization technologies. 📈 Reliable – with backups, monitoring, and performance tuning in place. Whether you need system administration, virtualization, cloud setup, or IT security hardening, I provide enterprise-grade solutions with a proven track record of success. 🚀 Let’s build a secure and resilient IT environment for your business.

Verifications

On time

100%

On budget

100%

Accept rate

100%

Repeat hire rate

3%

Portfolio

Portfolio

12235387
12235387
5.0 · 21 Reviews
Reviews
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Microsoft Teams Multi-Tenant Collaboration Setup ₹1,000 INR

Gajendra did excellent work

TekGenio

@Tekgenio

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Hyderabad, India

2 months ago

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Microsoft Purview DLP Setup $$$

Good work and communication

Aditya B.

@abhatnaga

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gurgaon, India

5 months ago

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Helping me to fix my Network (Omada) $20 USD

Thanks for your help - Everything as expected :)

Gordon M.

@GordonMeyrath

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Kiel, Germany

6 months ago

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MikroTik Small Project $$

You get things done quickly.

Takjji K.

@attjp

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Ikejiri, Japan

6 months ago

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SSL Configuration for React & Python Website $$$

I had a great experience working with Gajendra. He has excellent skills and deep knowledge of SSL certificate configuration. He completed the task quickly and efficiently, demonstrating both expertise and professionalism. Additionally, his honesty and clear communication made the entire process smooth. I highly recommend him for any SSL-related work and would gladly collaborate with him again in the future.

Piyush Y.

@piyushy43

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Panipat, India

9 months ago

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Experience

Freelancer

Nov, 2022 - Present

3 years

MatchAnB Solution

Nov, 2022 - Present

3 years

Services include: • Risk assessment and thread management • Sophos XG/UTM management • Ubiquiti device configuration • Zabbix, Nagios, and PRTG monitoring • Windows server role configuration • Proxmox, HyperV server configuration • Nessus and Qualys vulnerability assessments • Firewall Specialist • Security Camera configuration Specialist. • Firewall Trainer. • MQTT Specialist • WireShark Specialist

Nov, 2022 - Present

3 years

Lead System Administrator

Apr, 2017 - Oct, 2022

5 years, 6 months

Insigno Quipment Technologies (India) Pvt

Apr, 2017 - Oct, 2022

5 years, 6 months

Responsibilities • Risk assessment and mitigation management. • Achieve security standard as ISO 27001 • Identify and remediate security vulnerabilities in 300+ devices. • Lead a team of 5 members to achieve the desired result of secure networks. • Expert in firewalls and IDS systems. • Incident and problem management. • Design, configure and implement network in datacentre. • Expert in Sophos and Unifi network implementation. • Expert in NPS, RDP, Printer server based on Windows server.

Apr, 2017 - Oct, 2022

5 years, 6 months

Insigno Quipment Technologies (India) Pvt Ltd

Sep, 2010 - Mar, 2017

6 years, 6 months

Senior System Administrator

Apr, 2012 - Mar, 2017

4 years, 11 months

Responsibilities • Identify and remediate security vulnerabilities in the entire network. • Management Office 365. • Manage IP-Phone network. • Management Skype for Business 2015 server. • Handling SCCM 2012 and WSUS server for software and Windows updates. • Provide the best network solution for a Virtual environment using Hyper-V. • Good Knowledge of Windows server and desktop security.

System Administrator

Sep, 2010 - Mar, 2012

1 year, 6 months

Responsibilities • Manage Windows server roles like a print server and Windows update server. • Provide support to Astaro Firewall. • Designed and built a fault-tolerant data center using Xen Servers. • Open-e DSS and StarWind iSCSI storage. Achievement • Built private data center with Xen Server and Open-e storage. • Developed Nagios and IpMonitor for monitoring enterprise networks.

Sep, 2010 - Mar, 2017

6 years, 6 months

Education

Sardar Patel University

2000 - 2003

3 years

Electronics & Communication

Flag of

India

2000 - 2003

3 years

Qualifications

Fundamentals of digital marketing

2023

Google

Fundamentals of digital marketing

2023

MCSA: Windows Server 2012

2014

Microsoft

MCSA: Windows Server 2012

2014

MCSE: Communication

2016

Microsoft

MCSE: Communication

2016

Certifications

P

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