Network and Cloud Systems Administrator with 5+ years of experience in IT infrastructure. Proficient in: | Networking & Security | Linux & Windows Servers | Hypervisors | AWS& Azure | M365 |Storage Solution
Here is a detailed breakdown of my technical expertise:
Infrastructure & Networking
Networking: I have extensive experience with L2/L3 Switches from vendors like Cisco and Huawei, as well as other managed and unmanaged switches.
Firewalls: My security expertise includes working with a wide range of firewall solutions from Cisco, Palo Alto, FortiGate, Huawei, Mikrotik, and Sophos.
Wireless: I'm proficient in deploying and managing Wi-Fi solutions from Ubiquiti (UniFi), Ruckus, TP-Link, and Tenda.
VPNs: My skills extend to implementing secure remote access using OpenVPN, WireGuard, and Cisco AnyConnect.
Network Monitoring: I use industry-standard tools like Zabbix, Nagios, Checkmk, Cacti, and Solaris to ensure network health and performance.
Systems & Virtualization
Microsoft: I have a strong background in Windows Servers, Active Directory, Office 365, Azure AD, SharePoint, Exchange Online, and Teams.
Linux: My Linux administration skills cover a variety of distributions, including Red Hat, Debian, SUSE, Kali Linux, CentOS, Ubuntu, and Fedora.
Virtualization: I am an expert in virtualization technologies, including VMware vSphere, Hyper-V, Proxmox VE, Citrix Xen, and XCP-ng.
Containerization: I am proficient in Docker, Kubernetes, and OpenShift for modern application deployment.
Storage Solutions: I have hands-on experience with Synology NAS, SAN, Unraid, and TrueNAS.
Mail Servers: My skills in email management include working with MS Exchange, Modoboa, Postfix, and Dovecot.
Cloud & Security
Cloud Computing: I am well-versed in cloud services, including SaaS, PaaS, and IaaS, and have practical experience with AWS, Azure, Hetzner, and Contabo.
Endpoint Protection: My security skills include managing endpoint protection solutions like EDR, XDR, CrowdStrike, Falcon Sensor, Vipre, and ESET.
SIEM Solutions: I have experience with Wazuh and Splunk for security information and event management.
Applications & Tools
Linux Applications: I have a strong command of common Linux applications such as Nginx, Apache, Gitlab, dhcpd, Bind9, and PowerDNS.
Ticketing Systems: I'm proficient in using ticketing and project management tools like Redmine and Jira.
VoIP: My experience includes working with VoIP platforms such as Vicidial and Issabel.
Network Engineering
Linux
Windows Server
Amazon Web Services
Office 365
System Administration
Network Administration
Firewall
Remote IT Management
Virtualization
Proxmox VE
Docker
Cloud Management
IT Support
VPN
Ummer I.
Lahore, Pakistan
$60/hr
4.9
73 jobs
👑 Expert Vetted - Top 1% of talent on Upwork
⭐️ Top Rated Plus - Highly rated for work on large projects
🎯 100% Job Success Score
🕒 3000+ hours on Upwork
✅ 14+ years of experience
✅ 50+ projects delivered
✅ Excelling in delivering Fortune 500-scale projects
Over 13 years of extensive experience in Cloud Environment, Corporate Network, FinTechs and ISPs.
In Summary, my credentials include,
Cloud Expertise
Amazon Web Services (EC2, S3, VPC, IAM, Security-Groups, DirectConnect, Transit Gateway, WAF etc)
Oracle Cloud Infrastructure (VCN, Subnets, Route Tables, Compute, IAM etc)
Google Cloud Platform (IAM, Compute Engine, Firewall, Partner Interconnect, VPN, VPC etc)
Security:
Cisco FMC, FTDs & ASA, Palo Alto Network Firewalls and Panorama, Fortinet, FortiManager, Fortigate Firewalls, F5 BigIP LTM WAF, IPSec & Remote Access VPNs, NGIPS, Threat Prevention, URL Filtering, Cisco ISE, Cisco DUO, TACACS & Radius Authentication, SIEM, Cortex XDR, Wazuh, Rapid7, Security Onion
Routing:
OSPF, BGP, MPLS, Policy Base Routing using Route Maps, TCP/IP, Layer 3 Redundancy (HSRP), IP Spoofing, Virtualization (VRF), IP SLA, NAT/PAT, GRE Tunnels.
Switching:
Nexus VPC, Cisco Stack, Catalyst VSS, VXLAN, Spanning Tree Protocol, EtherChannels (LACP, PAGP), Access-Maps.
DevOps:
Terraform, Ansible, Python, Git, BitBucket, Docker, Jenkins, Linux, Netbox, Wireshark
PCNSE, PCNSA
CCNA 200-120
CCNA Security 640-554
CCNP R & S
Network Engineering
Network Security
Firewall
Network Design
Ansible
Palo Alto Firewalls
Cisco Firepower Threat Defense
Google Cloud Platform
Amazon Web Services
Oracle Cloud
VPN
Cisco ISE
Cisco Certified Network Professional
Fortinet
FortiGate Firewall
Umair J.
Lahore, Pakistan
$25/hr
5.0
3 jobs
Hi, this is Umair here, a System Administrator & Network Engineer with 9+ years of experience helping businesses build secure, high-performance IT infrastructure.
Expert in VPN setup (WireGuard, OpenVPN), Cloud (AWS/Azure), VoIP, and Server Management.
I have worked with 40+ clients across the globe and earned some fantastic testimonials. I am dedicated to ensuring optimal performance and security of IT systems, enabling businesses to operate seamlessly and efficiently.
I’m skilled in several different areas, and as such can offer services including:
● Installing and configuring software ( Windows server - DHCP - DNS - AD- AD DC - GPO - Print Management)
● Microsoft Exchange
● Email Server
● Server Migration.
● In-depth Knowledge of Operating Systems (Windows - MacOS)
● Microsoft 365 and Google Cloud Full Setup
● Managing physical devices, such as servers and printers.
● Networking Engineer
● VPN
● Problem-Solving
● Cloud Computing (Azure - Contabo | Virtual Private Server)
● Security and Monitoring
● Troubleshooting
● IT Support
● Providing Users With Remote Access
● Documenting and reporting on system configuration and maintenance.
● Network Infrastructure
● VoIP Engineer
● Backup Server
Please let me know if you have any further questions or concerns. I look forward to working with you.
Regards.
Network Engineering
Hardware Troubleshooting
Outbound Sales
Data Entry
VoIP PBX
VPN
Lead Generation
Telemarketing
Customer Service
Graphic Design
Administrative Support
IT Support
Sales & Marketing
Sales
Network Design
Muhammad I.
Lahore, Pakistan
$30/hr
4.9
51 jobs
I am a seasoned Telecom Engineer with over 16 years of experience in Networks, with core expertise in Routing, Switching, Security, and System Administration. My experience is bolstered by a range of industry-leading certifications, including ENCOR, CCNA, CCNP (Route & Switch), along with training in CCIE, MCSE, NSE4, and ITILV4.
Firewall Expertise:
Fortigate: 1500D, 1200D, 900D, 600C, 600D, 501E, 200D, 101E, 60D, 80F, 50B.
Cisco ASA: 5505, 5506, 5508, 5510, 5512, 5520, 5540.
Cisco Firepower: 1010.
SonicWall & Zyxel: ZyWall USG 20 & 50.
Router Expertise:
Cisco Routers: 1800, 1900, 2900, 3800, 7200, 1100.
Switch Expertise:
Cisco Switches: 6506E, 4506E, 3850, 3750, 3560, 3650, 2960, 2950, SG-300, 9300.
H3C Switches: 5130, 5560X.
WiFi Controllers:
Cisco: 2504, 3504.
H3C: WX-3820.
Network Administration & Security:
Network Security: Configuring firewall rules, IPS, DMZ, VIP, web control, and application control to protect network integrity.
PANDA Gateway Defender: Managing and monitoring for optimal security performance.
WiFi Network Management: Administering standalone WiFi networks, including Ruckus, Cisco, Linksys, TP-Link, D-Link, Unifi, and Aruba.
Monitoring Tools: Utilizing Op Manager, SolarWinds NMS, and Cacti (MRTG) for effective monitoring of routers and switches, including LAG port management.
Routing & Switching Protocols:
Routing: Expertise in RIP, OSPF, EIGRP, BGP for dynamic routing and redundancy.
Switching: Implementation of VLANs, Inter-VLAN Routing, VTP, STP, PVSTP for network segmentation and redundancy.
Redundancy Protocols: HSRP, VRRP, GLBP for high availability.
Security: Access-Lists, AAA, 802.1X Port Security to enforce network security policies.
System Administration Expertise:
Domain Controllers: Installation, configuration, and maintenance of Domain Controllers and Additional Domain Controllers to ensure network security and user management.
Email Servers: Managing Microsoft Exchange Server and Lotus Notes to provide reliable email
services, including configuration, troubleshooting, and performance tuning.
Antivirus & Endpoint Security: Administering Symantec Antivirus Endpoint Server to protect network
endpoints from threats, including regular updates, scans, and incident response.
Collaboration Tools: Configuring and managing Microsoft Outlook and related tools for seamless
communication across the organization.
Backup & Disaster Recovery: Implementing and managing backup solutions and disaster recovery
plans to ensure data integrity and availability in case of emergencies.
Server Security: Hardening servers, applying patches, and configuring security settings to minimize
vulnerabilities and maintain compliance with industry standards.
Performance Monitoring: Continuous monitoring and optimization of server performance to ensure
efficient operation and to preemptively address potential issues.
With extensive experience in both network and system administration, I am well-equipped to manage complex IT environments, ensuring that all components work together seamlessly to support your business needs. Let’s connect to explore how I can contribute to your success.
Intrusion Detection System
Cisco ASA
Internet Protocol Security
VPN
Network Security
Palo Alto Firewalls
Ubiquiti
Cisco Router
Cisco Certified Network Professional
Cisco Meraki
Security Analysis
Fortinet
Cisco WLC
Network Administration
FortiGate Firewall
Ahmad Hassan Z.
Lahore, Pakistan
$20/hr
4.8
5 jobs
Our distinguished team brings quality to IT business operations and expertise in designing, planning, implementing, and maintaining in the fields of IT infrastructure. Working on a diverse range of projects has proven our ability to meet time frames and deliver quality solutions that satisfy our clients’ needs. We strive for service excellence and long-term relationships with our clients. We want to make sure you have the best experience, from pre-sales to purchasing, and product quality. Our knowledgeable engineers will help you design a custom component for your project’s requirements.
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