Certified Network and Information Security Professional with extensive expertise in network infrastructure, cybersecurity, and IT solutions. Proficient in managing diverse server and client platforms (Windows, macOS, Linux) and advanced technologies such as Fortinet, Cisco, VMware, and Microsoft 365. Dedicated to delivering secure, scalable, and innovative IT solutions tailored to meet client needs while ensuring compliance with industry standards and best practices.
I thrive in dynamic, fast-paced environments where I can apply my strong problem-solving, analytical, and communication skills to resolve complex technical challenges. My excellent verbal, written, and interpersonal communication abilities enable me to build trust with clients and collaborate effectively with teams to achieve project goals. Keen attention to detail ensures every solution I deliver meets the highest standards of quality and reliability.
With a proven track record in client-facing roles, I excel at identifying innovative alternatives and opportunities to address complex challenges. I am skilled in efficient planning and organizing, enabling me to deliver results that exceed client expectations while optimizing resources and time.
TECHNICAL EXPERTISE:
• Network Infrastructure & Security: Proficient in Cisco LAN/WLAN (WLC, Meraki), Fortinet Security Fabric (FortiGate, FortiAnalyzer, FortiManager), and security frameworks (NIST, ISO 27001, CVE). Skilled in configuring VPNs, firewalls, IDS/IPS, ACLs, and security policies.
• Governance, Risk, and Compliance (GRC): Experienced in conducting security audits, implementing GRC frameworks (NIST CSF, COBIT, ISO 27001/27002), and developing risk mitigation strategies to ensure regulatory compliance and protect critical assets.
• Systems & Virtualization: Extensive experience with VMware, EVE-NG, and Active Directory management, including Group Policy and User Provisioning as well as utilizing PowerShell.
• Programming & Scripting: Skilled in Python, Bash, and network automation using Ansible.
• Operating Systems & Endpoints: Proficient in managing Windows, macOS, and Linux environments. Experienced with MDM solutions for iOS and Android.
• Cybersecurity & Threat Management: Expertise in vulnerability testing (Nessus, OWASP), endpoint detection (McAfee EDR, Sophos DLP), and leveraging frameworks like MITRE ATT&CK and the Cyber Kill Chain to enhance security posture.
• Technical Support & Troubleshooting: Expertise in diagnostic tools (Wireshark, Packet Tracer) for network and voice traffic analysis.
Cloud & Collaboration: Skilled in Microsoft 365 applications (Outlook, Teams, SharePoint) and database management (SQL).
ADDITIONAL PROFICIENCIES:
• Security Audits & Compliance: Conducting internal and external audits, creating detailed audit reports, and implementing controls to address identified vulnerabilities.
• IoT Solutions: Hands-on experience with IoT platforms (ESP32, Arduino, Raspberry Pi).
• Project Management: Experienced in project planning, execution, and team mentoring to deliver high-quality results efficiently.
I bring a unique combination of technical expertise and soft skills to every project. Whether working independently or collaboratively, I am dedicated to meeting business needs with precision, innovation, and professionalism. Let’s work together to secure and optimize your IT environment! :-)
Cisco WLC
Fortinet
Microsoft Active Directory
Cisco
Firewall
CompTIA
Computer Network
Computing & Networking
FortiGate Firewall
Microsoft Office
Desktop Application
Computer Skills
VMWare
Wireshark
Linux
Julien B.
Donnacona, Canada
$75/hr
4.8
95 jobs
Experienced cybersecurity specialist with 20+ years of finding and fixing vulnerabilities.
Known for BrowserSploit, a free pentesting tool on GitHub, and my work with Canadian ISPs to enhance network security.
I blend technical expertise with clear, client-friendly communication, ensuring both tech and non-tech stakeholders understand risks and solutions.
Whether you need a full security assessment or help securing your systems, let’s make your digital world safer.
VPN
Firewall
Network Penetration Testing
Linux System Administration
Web App Penetration Testing
Cloud Security
Cloudflare
Web Server
Server Administration
IT Management
IT Infrastructure
Linux
Ubuntu
Red Hat
Vulnerability Assessment
Danyal H.
Hamilton, Canada
$40/hr
5.0
20 jobs
IT Infrastructure Consultant | FortiGate | Proxmox | Microsoft 365 | Windows Server | MSP Support
A result-driven IT Infrastructure Specialist with strong expertise in secure data center operations, enterprise storage, virtualization, and Microsoft platforms. Specialized in designing high availability, secure, and scalable environments with a strong focus on FortiGate security, Proxmox virtualization, Windows Server, and Microsoft 365 services.
🔹 Data Center & Infrastructure Deployment
Designs and manages enterprise data center environments with a strong emphasis on storage availability, redundancy, scalability, and security. Ensures resilient infrastructure through capacity planning, fault tolerance, and best practice architecture.
🔹 Virtualization & Storage
Advanced expertise in Proxmox VE, including clustering, HA, and storage integration (ZFS, Ceph, SAN/NAS). Strong working knowledge of Hyper V and VMware for hybrid and legacy environments, optimizing compute and storage efficiency.
🔹 Enterprise Storage (SAN / NAS)
Designs, deploys, and manages SAN and NAS storage solutions to support virtualized workloads, file services, and backups. Ensures high performance, data integrity, and seamless integration with Proxmox, Windows Server, and backup platforms.
🔹 Network & Perimeter Security
🔹 Fortinet (FortiGate, FortiSwitch, FortiAP)
Advanced expertise in Fortinet FortiGate firewall deployment and administration, including complex firewall policies, NAT, security profiles (IPS, AV, Web Filtering, Application Control), and deep packet inspection. Strong experience configuring SSL VPN, IPsec VPN, and Site-to-Site VPN for secure remote access and multi-branch connectivity. Skilled in integrating and managing FortiSwitches and FortiAPs through FortiGate (Security Fabric), implementing VLAN segmentation, SD-WAN, high availability (HA), traffic shaping, and advanced troubleshooting for performance optimization and stability.
🔹 Cisco (L2/L3 & Wireless)
Experienced in configuring Cisco Layer 2/3 switches (VLANs, inter-VLAN routing, OSPF, STP, ACLs, QoS) and enterprise network design. Skilled in deploying and optimizing Cisco wireless infrastructure with secure SSID configuration.
🔹 SonicWall, OPNsense & pfSense
Proficient in firewall deployment, NAT, IPsec/OpenVPN, IDS/IPS, multi-WAN failover, and secure remote access. Strong in designing secure and reliable perimeter network solutions.
🔹 Ubiquiti (UniFi)
Hands-on experience with UniFi UDM Pro, Switches, and Access Points, including Site Magic, IPsec, and OpenVPN configuration. Skilled in deployment, optimization, security hardening, and high-availability setups.
🔹 Endpoint & Data Protection
Manages and ensures the protection of servers and user endpoints.
FortiEDR, FortiEndpoint, FortiClient EMS
CrowdStrikeFalcon, Prevent, Insight, SIEM
Microsoft Defender for Endpoint
🔹 Windows Server & Core Infrastructure Services
Extensive experience with Windows Server (2003–2025), including deployment, migration, and administration of core enterprise services:
• Active Directory (AD DS), DNS, and DHCP
• Group Policy (GPO) & Security Hardening
• Remote Desktop Services (RDS)
• Hyper-V Virtualization
• File & Print Services, DFS, and Storage Services
• Active Directory Certificate Services (AD CS)
• Windows Server Backup & Failover Clustering
• WSUS & Patch Management
Strong background in building secure, highly available identity, access, application, and storage infrastructure for enterprise environments.
🔹 Microsoft 365, Email Security & Identity Management
Administers Microsoft 365, Entra ID (Azure AD), and Microsoft security services, including:
• Exchange Online & Microsoft Purview (Email Security, DLP, Anti-phishing, Anti-spam)
• Teams
• SharePoint Online
• OneDrive
• Microsoft Defender for Endpoint & Microsoft Defender for Office 365
• Email Migration
Implements identity, access, and data governance policies while enhancing productivity using Microsoft Copilot for Business.
🔹 Backup & Disaster Recovery
Designs and maintains backup and disaster recovery solutions using Veeam, Veritas NetBackup, and Proxmox Backup Server.
🔹 Cloud & Hybrid Infrastructure
Supports hybrid deployments across Azure, AWS, Google Cloud, Hetzner, PhoenixNAP, and Contabo, integrating on-prem storage and Proxmox workloads with cloud services.
🔹 Monitoring & Performance Optimization
Monitors infrastructure, storage, and network health using PRTG, Zabbix, and SolarWinds, enabling proactive issue detection and rapid resolution.
🔹 Additional Expertise
Strong background in IT Support & Helpdesk Operations, including ticketing system management, SLA handling, and leading IT support teams to deliver efficient and high-quality service. Proficient in DNS management, web hosting services, SSL configuration, and deployment.
#Microsoft 365 #MSP Support #FortiGate #Proxmox VE #IT Support #Veeam #Windows Server #FortiClient EMS #Systems Administrator #OPNsense #pfSense
FortiGate Firewall
Network Security
CrowdStrike
Network Administration
Cisco
Ubiquiti
PfSense
Windows Server
Microsoft Active Directory
Office 365
Email Security
Virtualization
Veeam
IT Support
Fortinet
Backup Administration
Security Operation Center
Proxmox VE
Storage Area Network
Antivirus & Security Software
Simon O.
Kingston, Canada
$65/hr
5.0
2 jobs
I secure, structure, and manage cloud, SaaS, and modern workplace environments with a focus on control, resilience, and long-term maintainability.
I work primarily across Microsoft 365, Microsoft Intune, Microsoft Endpoint Manager, and identity systems, ensuring environments are properly configured, access is controlled, and security is enforced without adding unnecessary complexity.
With over 5 years of experience in cybersecurity and security engineering, I have worked across private and public sector environments, including military, handling vulnerability management, incident response, system hardening, and security operations.
Certifications and training include: CompTIA CySA+, Security+, CSAP, Microsoft sc-200, with practical application across real-world environments.
What I Do:
I deploy and secure Microsoft 365 environments, configure Intune and Endpoint Manager, implement Conditional Access, MFA, and role-based access controls, and enforce least-privilege access across users and systems.
I conduct security audits of SaaS and web applications, identify gaps, and remediate vulnerabilities to bring systems to a controlled state.
I implement endpoint and identity protection, harden systems, and introduce targeted automation where it improves consistency and reduces operational overhead.
For compliance, I align environments with requirements such as SOC 2, ISO 27001, GDPR, and HIPAA, ensuring controls are in place and properly enforced.
Results:
Secure, structured environments with clearly defined access
Reduced attack surface and improved security posture
Controlled identity and device management
Systems aligned with modern compliance expectations
Stable, maintainable configurations without unnecessary complexity
Security Engineering
Cloud Security
Microsoft Intune
Microsoft Endpoint Manager
Network Security
Vulnerability Assessment
Information Security Audit
Penetration Testing
Cyber Threat Intelligence
Cybersecurity Monitoring
WordPress Security
Amritpal S.
Peterborough, Canada
$65/hr
4.8
41 jobs
Results-driven IT Infrastructure & Cybersecurity Specialist with extensive experience in Windows Server administration, system administration, enterprise IT support, and network security. Skilled in managing servers, workstations, cloud platforms, and remote IT environments with a strong focus on performance, security, and automation. Certified in ConnectWise, Kaseya, NinjaOne, and Cisco CCNA technologies, with proven expertise in delivering reliable remote technical support and long-term IT solutions for businesses worldwide.
Core Expertise
-Windows Server Administration
-System Administration
-Server & Workstation Maintenance
-Patch Management & System Updates
-Automation Software Deployment
-Microsoft 365 / Office 365 Configuration
-MAC & Windows Administration
-Cybersecurity & Network Security
-Technical Support & Remote IT Assistance
-Ethical Hacking using Linux
-VMware & vSphere Virtualization
-ConnectWise & Kaseya Administration
-NinjaOne, Autotask, HaloPSA & RMM/PSA Tools
-Active Directory Management
-DNS, Domain & Hosting Management
-Synology NAS Support
-Email Migration Services
-Vulnerability Assessments
-Security Assessment Reporting
-WordPress & Website Design
Certifications & Technical Strengths
-ConnectWise Certified Engineer
-Kaseya Certified Engineer
-NinjaOne Certified Engineer
-Cisco Certified (All CCNA Certifications)
-Cybersecurity & Network Security Certifications
-ITIL,CISSP,CISM,CISA etc
I provide complete remote IT support with flexible availability and a proactive approach to resolving technical challenges efficiently. My expertise includes securing enterprise networks, managing IT infrastructures, implementing cybersecurity best practices, and optimizing business operations through advanced RMM and automation tools.
I am committed to building long-term professional relationships by delivering high-quality solutions, maintaining excellent communication, and consistently exceeding client expectations. With strong analytical skills, dedication, and the ability to perform under tight deadlines, I help organizations improve operational efficiency, strengthen security, and achieve their business goals successfully.
Business with 1-9 Employees
System Administration
macOS
Technical Support
Photo Editing
Network Administration
Windows Administration
Growth Hacking
VMware Administration
Adobe Photoshop
Arnold J.
Gatineau, Canada
$40/hr
4.9
3 jobs
• Over 10 years of experience in network administration and security.
• Languages: English, French, Spanish, Mandarin.
• Master’s Degree in Electronics and Communication Engineering.
• Advanced diploma in cybersecurity from Polytechnic Montreal.
• Cisco CCNA Routing and Switching certified.
• CompTIA Security+ certified.
• CompTIA CySA+ certified.
• CompTIA CSAP certified.
• (ISC)2 Certified in Cybersecurity.
• CEH (Certified Ethical Hacker) in progress.
• AWS Cloud Practitioner in progress.
• Fortinet NSE 1,2,3,4,5,7 certified.
• Expertise in various security tools (IPS, Firewalls, IDS, SIEM, SOAR, EDR, Antivirus,
Antimalware …)
• Ability to work in a fast-paced environment and under pressure.
• Experience handling multiple tasks and maintaining comprehensive documentation.
• Excellent customer relations and communication skills.
• Self-motivated, self-starter, innovative and creative.
• Strong team player with the ability to work independently with little or no supervision.
• Flexible and available to work shifts and hours.
TECHNICAL SKILLS
-------------------------
Expert level in Fortinet products: Fortigate, Fortianalyzer, Fortimanager, Fortiswitch, FortiAP, FortiAuthenticator, Forticlient.
▪ IDS, IPS.
▪ Suricata, Security Onion, Snort, Bro, Kibana.
▪ SIEM/FIM, UTM.
▪ Vulnerability scanning (OpenVas, Nessus).
▪ Port Scan with Nmap.
▪ OS Hardening.
▪ Security industry standard (NIST, COBIT, CIS, OWASP, MITRE ATT&CK).
▪ NAC, Mobile device management (MDM).
▪ Wireshark and SolarWinds.
▪ Microsoft Active Directory.
▪ DHCP and DNS.
▪ Routing and switching.
▪ Incident Management.
▪ Cyber investigation using tools like XL-parser, XL-Whois, XL-Tools.
▪ Networking, TCP/IP and OSI protocols stacks, EIGRP, OSPF RIP, static routing, BGP, SD-WAN, SNMP.
▪ Microsoft outlook.
▪ VMWare and VirtualBox.
▪ Microsoft office suite (word, excel, PowerPoint).
▪ VPN IPSEC, remote VPN, SSL VPN, VLAN.
▪ Antivirus and Anti-malware.
▪ McAfee live safe: key escrow, virus scan, remote wipe, host protection.
▪ Open PGP: secure email, PKI, digital signature.
▪ ELK (Elasticsearch, Logstash, Kibana)
· Incident response (on Firewall):
a) Contain the attack: isolation; removal; segmentation
b) Identify the attack and create appropriate customized IPS rules and signatures to stop it
c) In case of DOS attack, create appropriate DOS policy to block the attack on the firewall
d) Edit antivirus signatures to thwart the attack
e) In case of brute force attacks, implement 2 factor authentication with password and token for increased security
f) Monitor the network after the attack is blocked
· Assist with new network architecture implementation and building fortigate firewall from scratch: customer provides the desired architecture, and I assist with setting it up and improving it if needed, with customer's approval.
· Set up and troubleshoot for customers:
a) IPS rules and signatures
b) VPN (remote access, site to site)
c) Firewall rules
d) High availability and redundancies
e) Link monitoring on firewall (monitoring link and devices failures)
f) DOS policies
g) Access points and switches
h) Authentication: Radius, LDAP, 2FA or MFA
i) Single sign on technologies
j) SAML
k) BGP, OSPF, static routing
l) Web filtering, application control, SSL inspection
m) SD WAN
n) Certificate installs
o) Remote logging
p) Assist with PCI DSS compliance scanning
q) And much more
· Provide customers advice regarding new, future, and existing network and security architecture, to harden it and make it as secure as possible.
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