๐ Oracle Cloud (OCI) Architect | Networking & Security Specialist
I help organizations design, troubleshoot, and secure Oracle Cloud (OCI) environments, with a strong focus on networking, access control, and database connectivity.
Most clients reach out when:
Bastion access is not working
VCN/DRG routing is misconfigured
Database (ATP/ADW/DBCS) connectivity is failing
Security and IAM policies are too open or broken
๐ I fix these issues quickly and align the environment with secure, production-grade architecture.
๐ง Core Expertise (OCI)
VCN, Subnets, NSGs, Security Lists, DRG routing
Bastion (SSH/RDP) access for private instances
ATP / ADW / DBCS connectivity (private endpoints, ORA errors)
IAM policies, Dynamic Groups, Federation (Entra ID)
Site-to-Site VPN / FastConnect (Fortigate, Cisco, hybrid setups)
Cloud Guard, WAF, MFA implementation
Terraform / OCI CLI automation
๐๏ธ Architecture & Security
Multi-compartment tenancy design
Private subnet architectures (zero public exposure)
DR strategy (cross-region replication, backups, failover)
Hybrid cloud integration (OCI + Azure/AWS)
โก Why Clients Work With Me
10+ years enterprise infrastructure experience
Hands-on troubleshooting + architecture expertise
Strong focus on security, reliability, and performance
Experience with real production environments (banking, logistics)
๐ก If you need to fix an OCI issue, secure your cloud environment, or design a reliable architecture, I can deliver solutions that work in real-world deployments.
Oracle Cloud
Oracle Identity Management
Oracle Patching
Oracle Analytics Cloud
Oracle Integration Cloud Service
Oracle Applications
Linux System Administration
Cloud Database
Cloud Security
Cloud Engineering Consultation
Cloud Security Framework
Cloud Implementation
Microsoft Azure Administration
Amazon Web Services
Abu B.
Lahore, Pakistan
$40/hr
4.8
9 jobs
I build the detections that catch real attacks and the automations that handle the noise, so your analysts stop drowning in false positives.
5+ years in security operations: threat detection, incident response, detection engineering, and SOAR. Currently SOC Analyst & Incident Responder for a US healthcare technology company, working daily in Microsoft Sentinel and Defender across a regulated environment.
WHAT I CAN DO FOR YOU
SIEM ENGINEERING & DETECTION CONTENT
Deploy and tune Microsoft Sentinel end to end, data connectors, CEF collectors, analytics rules, watchlists, and custom KQL detections mapped to MITRE ATT&CK. I onboard messy log sources (AWS, Palo Alto, Cisco Meraki, Windows and Linux servers, employee endpoints) and write detections that fire on real threats instead of burying your team in alerts. Also work in OpenSearch, ELK, and Wazuh.
SOAR & SECURITY AUTOMATION
Playbooks in Azure Logic Apps and n8n that cut manual analyst effort. One example: automated IP blocking pushed across Cloudflare, Microsoft Defender, and CrowdStrike, but only after the IP clears automated reputation checks against AbuseIPDB, VirusTotal, and Sentinel threat intelligence, so legitimate traffic never gets cut off. Another correlates live software inventory against newly disclosed CVEs to flag exposed assets automatically.
LOG PIPELINE & PLATFORM INTEGRATION
I built the full ingestion layer for a commercial ITDR product, 7+ sources pulled via API, parsed and normalized through Logstash and Filebeat into OpenSearch, enriched with MISP and OpenCTI threat intelligence, containerized in Docker for reproducible deployment.
INCIDENT RESPONSE & THREAT HUNTING
Triage, scoping, containment, remediation, root cause analysis, and post-incident reporting. Proactive hunting driven by ATT&CK-based hypotheses rather than guesswork.
OFFENSIVE SECURITY BACKGROUND
A year of network and web application penetration testing against OWASP methodology, plus social engineering and phishing assessments. I know what attacks look like from the other side, which is why my detections hold up.
CERTIFICATIONS
Microsoft SC-200 (Security Operations Analyst Associate)
SANS SEC504 (Hacker Tools, Techniques & Incident Handling)
Practical Threat Hunting (Applied Network Defense)
AZ-500 in progress.
WHO I WORK BEST WITH
Startups and mid-size companies that need a SIEM stood up properly the first time. MSSPs that need detection content written. Security teams buried in alerts who need automation built around them.
Tell me what your stack looks like and what's hurting most right now, and I'll tell you honestly whether I'm the right person for it.
Security Testing
Intrusion Detection System
Microsoft Azure
Automation
Security Operation Center
System Deployment
Cybersecurity Monitoring
Information Security Threat Mitigation
Threat Detection
Cyber Threat Intelligence
Cloud Security
Information Security
ISO 27001
SOC 2
Incident Response Plan
Network Security
Security Engineering
ELK Stack
Digital Forensics
Task Automation
Muhammad I.
Lahore, Pakistan
$25/hr
4.9
51 jobs
I'm a Network & Security Engineer with 18+ years of experience designing, deploying, and managing enterprise network and firewall infrastructure for large, multi-site organizations โ including a national refinery corporation and a provincial government disaster management authority.
I help businesses build secure, high-availability networks that stay online and stay protected. My work spans the full stack of enterprise networking and cybersecurity:
**Firewalls & Security**
- Fortinet FortiGate (HA clusters), FortiManager, FortiAnalyzer, FortiToken 2FA
- Cisco Firepower, Palo Alto, Juniper SSG, Cisco ASA
- VPN (IPSec/SSL), NAT, DMZ, UTM, IPS/IDS, Zero-Trust design
- VAPT coordination, incident response, security policy enforcement
**Routing, Switching & SD-WAN**
- Cisco and H3C routing/switching, OSPF, BGP, EIGRP, QoS
- VLANs, STP, NAT, PAT, ACLs
- Enterprise SD-WAN/SDN design and rollout
- Spine-Leaf and Access layer architecture
**Wireless & Infrastructure**
- Ruckus (SmartZone/ZoneDirector), Cisco, Aruba wireless design and RF site surveys
- Data center operations, disaster recovery and backup planning (Veeam)
- Active Directory, DNS, DHCP, GPOs, Microsoft 365, Azure
- VoIP/IP PBX, SAN/NAS storage, CCTV/NVR systems
A few things I've delivered for past employers:
- Designed and rolled out a country-wide Fortinet HA firewall solution securing every corporate and field site of a national organization.
- Led an enterprise-wide SD-WAN deployment that improved link resilience and application performance across all sites.
- Planned and executed a provincial data center and 36 district-level command & control centers from the ground up.
- Standardized identity and access management using RADIUS, Infoblox, and FortiManager, improving SOC readiness.
Whether you need a one-time firewall audit, a full network redesign, ongoing infrastructure support, or help preparing for a security compliance review, I bring a pragmatic, business-first approach โ I focus on solutions that are secure, well-documented, and easy for your team to maintain after I'm done.
Let's talk about what your network needs โ I'm happy to start with a short discovery call to understand your setup before proposing a plan.
FortiGate Firewall
Palo Alto Firewalls
Cisco ASA
Cisco Firepower Threat Defense
Sophos Sophos UTM
Web Application Firewall
Network Administration
System Configuration
VPN
Routing
Multiprotocol Label Switching
Disaster Recovery
High Availability and Disaster Recovery
Active Directory Federation Services
DHCP
DNS
DNSsec
Zero Trust Architecture
Network Security
Network Monitoring
Ameem A.
Lahore, Pakistan
$40/hr
5.0
1 jobs
Is your company preparing for SOC2, ISO 27001, or GDPR โ and not sure where to start? Or do you need a firewall built right the first time, by someone who understands security beyond the basics?
I'm an IT Security & Compliance Manager with 10+ years of experience helping companies get audit-ready, build secure environments, and implement the IT frameworks that actually protect them.
I have managed IT infrastructure for globally distributed remote-first companies with teams spanning the US, UK, Canada, Brazil, EU, APAC, MENA, and Singapore.
What I deliver:
COMPLIANCE & AUDIT READINESS
โข SOC2 Type I & II โ gap analysis, control implementation, policy writing, audit preparation
โข ISO 27001 โ internal audits, audit readiness, full documentation
โข GDPR โ compliance framework, data processing records, policies
โข Cyber Essentials & CE Plus โ implementation and certification
FIREWALL & NETWORK SECURITY
โข Sophos, Fortinet, Huawei, OPNsense, pfSense โ setup, hardening, troubleshooting
โข VPN and secure remote access configuration
โข Security Operations (SecOps) โ monitoring and incident response
IT MANAGEMENT & ACCESS CONTROL
โข IAM โ JumpCloud, Okta, Google Workspace (managed 50+ apps)
โข MDM โ Mosyle, Fleet, JumpCloud (Mac and cross-platform)
โข IT policies and procedures written from scratch
โข Asset inventory and IT documentation
Certifications: CCNA | CNSP | ISO/IEC 27001:2022 Lead Auditor |Sophos & Fortinet Trained
If you are building for compliance, security, or scale โ let's talk.
SOC 2
ISO 27001
GDPR
Information Security
Network Security
Firewall
IT Management
Compliance
Google Workspace
VPN
System Administration
Information Security Audit
Mobile Device Management
User Identity Management
Single Sign-On
Risk Management
Security Management
Cloud Security
OKTA
Security Operation Center
Muhammad Azam K.
Lahore, Pakistan
$20/hr
4.8
128 jobs
๏ฆ A seasoned professional with over 18 years of experience in IT Strategic Planning, Budgeting, Project Management, Infrastructure Management, System Administration, Networking, and Team Management.
๏ฆ Demonstrated skills as Lead Auditor for ISO 27001:2005 ISMS for any medium to large scale organization.
๏ฆ Acknowledged for integrity, high professional standards, โbig-pictureโ vision, & sensitivity to deliver projects within time & cost parameters.
๏ฆ Proven skills as Lead Auditor for ISO 22301:2012 Business Continuity Management Systems for any medium to large scale organization.
๏ฆ Conversant with setting up and maintaining entire WAN/ LAN, PABX Management and ITIL Stdd. Implementation.
๏ฆ Well-versed with analyzing network security needs, software/ hardware installation and other services.
๏ฆ Proficient in attending to various software and hardware problems, detecting the reason of malfunctioning and resolving various problems.
๏ฆ Change Recognized for tackling challenging issues and delivering innovative solutions that enhance system functionality and end-user productivity while meeting clients' budget and time constraints.
๏ฆ Expertise in attending to various networking issues, and resolving various problems; adept in fine tuning of networks and ensuring maximum performance.
๏ฆ Exceptional work ethic, routinely use available time to solve organisational problems, ability in multi-tasking and timely completion of all assignments.
Information Security
SOC 2 Report
GDPR
ITIL
ISO 27001
Compliance Consultation
Business Continuity Plan
IT Management
Helpdesk
Agile Software Development
ISO/IEC 20000
Project Management
Khizar F.
Lahore, Pakistan
$15/hr
5.0
1 jobs
Hey,
Iโm a System/Network Administrator and MSP-focused IT Engineer with 5+ years of hands-on experience supporting Windows, Linux, Microsoft 365, and enterprise IT environments. My work spans both day-to-day technical support and large-scale infrastructure management, including server administration, virtualization, cloud services, security, and network monitoring.
I have extensive experience working in fast-paced MSP and NOC environments, where I manage L1/L2 support operations, handle 24/7 monitoring, and resolve technical issues while maintaining SLA compliance. I regularly support 1000+ endpoints across multiple client environments, ensuring stable operations and minimal downtime.
My expertise includes Microsoft 365 administration, Active Directory, Exchange, Azure AD, VMware virtualization, backup and disaster recovery, and endpoint security. I also work with Linux servers, web hosting environments, and network monitoring tools like Zabbix, Nagios, and ELK.
๐๐ฒ๐ ๐ฆ๐ธ๐ถ๐น๐น๐ & ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ
๐๐ข๐๐ซ๐จ๐ฌ๐จ๐๐ญ ๐๐๐ & ๐๐ฅ๐จ๐ฎ๐:
- Microsoft 365 administration (Exchange Online, Teams, SharePoint, OneDrive)
- User management, onboarding/offboarding, and license handling
- Email migration (Cutover, Staged, Hybrid, IMAP, G Suite)
- Azure AD Connect and hybrid identity synchronization
- Mail flow troubleshooting and Exchange administration
๐๐ข๐ง๐๐จ๐ฐ๐ฌ ๐๐๐ซ๐ฏ๐๐ซ & ๐๐๐ญ๐ข๐ฏ๐ ๐๐ข๐ซ๐๐๐ญ๐จ๐ซ๐ฒ:
- Windows Server (2003โ2019) installation and administration
- Active Directory, Group Policy, DNS, DHCP management
- File server configuration and permission management
- IIS, SQL, and server role troubleshooting
- Domain migration and infrastructure design
๐๐ข๐ง๐ฎ๐ฑ & ๐๐๐ ๐๐ง๐๐ซ๐๐ฌ๐ญ๐ซ๐ฎ๐๐ญ๐ฎ๐ซ๐:
- Linux server administration (Ubuntu, Debian, CentOS, Arch)
- Web servers (Apache, Nginx) configuration and maintenance
- WHM/cPanel, Plesk, ISPManager, Webmin support
- SSL installation and server migration
- Database management (MySQL, MariaDB, MongoDB)
๐๐ข๐ซ๐ญ๐ฎ๐๐ฅ๐ข๐ณ๐๐ญ๐ข๐จ๐ง & ๐๐๐๐ค๐ฎ๐ฉ:
- VMware ESXi deployment and upgrades
- vCenter, clustering, HA, DRS, FT, SRM configuration
- Virtual machine provisioning and migration
- Backup and disaster recovery (Exchange, SQL, file servers, web servers)
- SAN environments (Dell EMC, Pure Storage)
๐๐๐ / ๐๐๐ฅ๐ฉ๐๐๐ฌ๐ค / ๐๐๐ ๐๐ฉ๐๐ซ๐๐ญ๐ข๐จ๐ง๐ฌ:
- L1 & L2 technical support for end users and enterprise clients
- ConnectWise and RMM-based ticket management
- 24/7 monitoring, alert handling, and escalation support
- SLA-driven incident resolution
- Remote troubleshooting and client support
๐๐๐๐ฎ๐ซ๐ข๐ญ๐ฒ & ๐๐จ๐ง๐ข๐ญ๐จ๐ซ๐ข๐ง๐ :
- Endpoint security (CrowdStrike, Huntress)
- Firewalls (SonicWall, Palo Alto, Fortinet, Cisco, Meraki, Ubiquiti)
- System monitoring (Zabbix, Nagios, ELK stack)
- Patch management using WSUS and Intune
- MFA, Conditional Access, and identity security policies
๐๐ง๐-๐๐ฌ๐๐ซ ๐๐ฎ๐ฉ๐ฉ๐จ๐ซ๐ญ:
- Desktop and application support (Windows, Office 365 tools)
- Email, Outlook, Teams, and collaboration troubleshooting
- Hardware, printer, and network device setup
- VPN and connectivity issue resolution
- End-user training and support
๐๐ข๐ช ๐ ๐ช๐ข๐ฅ๐:
Engagement options include hourly consultations, fixed-price projects, monthly retainers, and emergency support services. Communication is handled through daily updates and weekly progress reports, with availability via Upwork messages, email, Slack, and video calls. The schedule is flexible across time zones, with emergency support available 24/7 and a typical response time of 2โ4 hours.
Virtualization
Network Administration
VMWare
Technical Support
System Administration
IT Support
Red Hat Enterprise Linux
Linux System Administration
Azure App Service
Microsoft Active Directory
Microsoft Certified Information Technology Professional
Office 365
Microsoft Windows
Computer Network
Domain Migration
VPN
SQL
Cloud Engineering
Automation
AWS Systems Manager
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