Is your website, network, cloud, or business system truly secure or only “working fine” until an attacker finds the weak point? I help businesses identify vulnerabilities, reduce cyber risk, and strengthen security with clear testing, reporting, and remediation guidance.
I am a Certified Cybersecurity Consultant with hands-on experience in Vulnerability Assessment & Penetration Testing, SOC/SIEM monitoring, ISO 27001 compliance, SOC 2 audit support, network security, phishing awareness, and security documentation.
I work with tools and technologies including Nmap, Burp Suite, Metasploit, OpenVAS, Nessus, Wazuh SIEM/XDR, Kali Linux, Parrot OS, Palo Alto Firewall, Cisco ASA, Active Directory, ServiceNow, Saviynt, HighBond, Microsoft Office 365, GitLab CI/CD, and Kubernetes security environments.
Services I can help you with:
i. Vulnerability Assessment & Penetration Testing
ii. Website, Web App & Network Security Testing
iii. Nmap, Burp Suite, Metasploit, Nessus & OpenVAS Testing
iv. SOC/SIEM Setup, Monitoring & Wazuh Deployment
v. ISO 27001 Policies, Procedures & Security Controls
vi. SOC 2 Audit Support & Compliance Documentation
vii. Phishing Awareness Campaigns & Security Training
viii. Firewall, VPN & Network Security Review
ix. Active Directory & Access Rights Review
x. Security Incident Documentation & Remediation Guidance
xi. Cybersecurity Reports with Risk Rating & Fix Recommendations
My background includes cybersecurity teaching, cyber defense lab implementation, information security documentation, Proofpoint phishing campaign setup, SOC-2 audit support, IAM access review campaigns, Kubernetes production environment exposure, Wazuh SOC deployment, and enterprise network administration.
I do not just provide automated scan results. I focus on giving you clear findings, business impact, risk severity, screenshots where needed, and step-by-step remediation guidance so your team can fix the issues properly.
Let’s secure your systems before vulnerabilities become real business risks.
Vulnerability Assessment
Cybersecurity Management
Penetration Testing
Network Security
Information Security
Web Application Security
Ethical Hacking
ISO 27001
Security Analysis
Risk Assessment
Firewall
SOC 2
Compliance
VPN
Information Security Audit
Cisco ASA
Internet Security
Cloud Security
Malware Removal
Miguel K.
Brooklyn, New York
$15/hr
5.0
2 jobs
👋 About Me
I’m a professional IT Support Engineer with several years of experience helping businesses streamline their IT operations through expert technical support and system administration. I specialize in working with Windows 10/11, Microsoft 365, Outlook, Teams, OneDrive, SharePoint, Google Workspace (G Suite, Gmail, Google Drive), as well as Domain & DNS Management and seamless Email Migrations across platforms.
With a strong foundation in system administration and hands-on experience in technical support operations, I’ve led initiatives that enhanced service delivery and improved uptime across diverse business environments. My freelance work has involved supporting clients with server setups, email migrations, account provisioning, and troubleshooting, all while ensuring high availability and security standards.
🛠️ Certifications
Azure Administrator Associate
Microsoft 365
CompTIA A+
CompTIA Network+
🏆 Performance Highlights
In my recent role within an enterprise infrastructure environment, I significantly improved technical support response times and increased the issue resolution rate by over 70%, helping streamline IT operations and elevate end-user satisfaction.
Awarded as a top-performing technical support and system administration specialist, resolving over 1,000 tickets with a strong focus on performance, technical precision, and user satisfaction.
I am proficient in handling email migration processes,. Google Workspace, Microsoft 365, Exchange Online, IMAP/POP systems
I am strong with Windows Server, Microsoft 365, Active Directory, desktop and user support, and remote troubleshooting.
🧰 Tools & Technologies
Operating Systems: Extensive experience managing and troubleshooting Windows 10/11, ensuring optimal system performance and security for end users.
Cloud & Productivity Solutions: Skilled in configuring and supporting Microsoft 365, Microsoft Outlook, Microsoft Teams, Microsoft Exchange, Azure, OneDrive, and SharePoint to streamline collaboration and optimize enterprise productivity.
Email Systems & Migrations: Proficient in email system migrations such as transitioning from Google Workspace to Microsoft 365, IMAP to Outlook, and handling GoDaddy-hosted email transitions. Expertise in managing Exchange Online, Microsoft Outlook, and cPanel email configurations, ensuring flawless setup and secure communication.
Identity & Access Management: Experienced with Azure AD and Active Directory, implementing robust identity management, setting up two-step verification, and resolving App Password issues to enhance security and user access control.
Domain & DNS Management: Skilled in domain management, configuring and troubleshooting DNS records (A, CNAME, MX, TXT), and resolving NameServer issues to ensure reliable website uptime and email deliverability.
Email Security & Protocols: Expertise in configuring SMTP authentication, optimizing email security, and managing POP/IMAP configurations to protect against threats and ensure smooth email operations.
Marketing Platforms & Domain Authentication: Experience in setting up dedicated sending domains and configuring domain authentication for platforms like Klaviyo, Mailchimp, SendGrid, Hubspot, ActiveCampaign, and Mailerlite, enhancing deliverability and email campaign effectiveness.
Website & DNS Troubleshooting: Adept at resolving issues like website downtime, site redirects, and DNS troubleshooting (A, CNAME, MX), ensuring minimal disruptions and maintaining smooth web operations.
𝗔𝘃𝗮𝗶𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆:
⏰ Available on both weekdays and weekends.
📅 Flexible with time zones to meet client needs.
💬 Let’s Connect
If you're looking for reliable, certified support with Microsoft 365, secure migrations, or systems administration, I’m ready to help. I work across multiple time zones and bring a calm, solution-first mindset to every project.
IT Support
System Administration
Helpdesk
Microsoft Azure
Windows 11 Administration
Windows 10 Administration
Microsoft Teams
Microsoft Outlook
Microsoft SharePoint
Answered Ticket
Office 365
DNS
Email Support
Data Migration
Cloud Migration
Nathan W.
Kings County, New York
$175/hr
5.0
33 jobs
I'm an experienced IT professional with over 12 years experience, I've with clients in various industries and have successfully transitioned companies of all sizes from on-prem infrastructure to cloud platforms.
Some of the projects I've completed include.
Some of my Azure, M365, and on-premises technology skills:
• Microsoft 365
• Azure Active Directory
• Azure Active Directory Domain Services
• Active Directory Domain Services
• Azure Virtual Desktop
• Azure Storage
• Azure virtual machines
• Azure app services
• Azure SQL
• Azure SQL managed instance
• Azure recovery services
• ADFS
• Microsoft Sentinel
• Microsoft conditional access
• AAD SSO
• Google Workspace
• Windows servers and workstations
• Linux servers
• PowerShell
• Bash
• Batch
• JSON
• Anti-malware and EDR platforms (Webroot, Bitdefender, Symantec, Kaspersky, Microsoft, SentinelOne)
• Spam protection services (Proofpoint, Mimecast, Barracuda, Microsoft ATP)
• WordPress
• DNS
• Sendgrid
• Microsoft SQL
• Vulnerability assessment
• Operating systems hardening
• Centralized patching
• Firewalls
• Managed Switches
• Wireless Networking
Certificates:
Microsoft 365 Certified: Security Administrator Associate
Microsoft 365 Certified: Enterprise Administrator Expert
Microsoft Certified: Azure Solutions Architect Expert
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