Top System Security freelancers

242 freelancers list System Security on Upwork.

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Showing 50 of 242Data updated Nov 7

# Freelancer		SinceMember since
Mohammad Mustaque A. 🇮🇳🇮🇳 Enterprise Cloud & Infrastructure Security Architect \| Zero Trust/SASE	$7k–	Jun 2020Jun 14, 2020
Mohammed J. 🇵🇸🇵🇸 Penetration Tester \| Application Security Expert \| Ethical Hacker	$7k↑ 11%	Apr 2023Apr 11, 2023
Adriaan v. 🇳🇱🇳🇱 Digital Forensics & OSINT Expert \| Online Private Investigator	$5k↓ 6%	Oct 2025Oct 6, 2025
4 Nathan L. 🇵🇭🇵🇭 IT Support	$4k↑ 7%	Oct 2022Oct 17, 2022
5 Taras K. 🇰🇬🇰🇬 Network Automation Engineer \| Networking and Networks Secirity	$4k↑ 6%	Nov 2022Nov 3, 2022
6 Usama S. 🇵🇰🇵🇰 IT Support Engineer \| Ubiquiti UniFi \| Network/Sys Security Specialist	$3k0%	May 2020May 17, 2020
7 Travis N. 🇺🇸🇺🇸 Forward Deployed Engineer \| GCP, Terraform, Kubernetes, Cloud Security	$3k↓ 20%	Aug 2025Aug 24, 2025
8 Pradeep G. 🇮🇳 NewNew🇮🇳 Network & System Administration	$3k↑ 82%	Aug 2026Aug 29, 2026
9 Najam U. 🇵🇰🇵🇰 Penetration Tester \| Cloud, Web, API & Network Security \| vCISO	$3k↑ 46%	Aug 2017Aug 17, 2017
10 Prince Carl V. 🇵🇭Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇵🇭 Full-Stack Web Developer \| Web Scraper \| Automation \| API Tester	≈$3k–	Jun 2022Jun 11, 2022

Freelancer	MRR	Member since
11 Sezer Y. 🇹🇷🇹🇷 Software Engineer \| Node.js / Typescript \| AI & NestJS \| 10 Years+	$3k↓ 14%	Nov 2015Nov 3, 2015
12 Emmanuel O. 🇵🇭🇵🇭 Lead Generation & Appointment Setting: IT Universe, Edu Space	$3k↑ 1%	Feb 2022Feb 21, 2022
13 Akash S. 🇮🇳🇮🇳 Full-Stack IT Solutions \| Cloud \| Security \| Admin \| Email \| Hosting	$2k↑ 7%	Feb 2024Feb 4, 2024
14 Esaias B. 🇩🇲🇩🇲 Senior IT Engineer & Architect \| Azure \| AWS \| GCP \| M365 \| MSP	$2k↓ 17%	May 2020May 14, 2020
15 Mohit G. 🇮🇳🇮🇳 Back-End Developer \| ExpressJS \| Typescript \| API-GraphQL & Restful	$2k↓ 20%	Aug 2020Aug 24, 2020
16 Godwin I. 🇳🇬🇳🇬 M365 Admin \| Cybersecurity \| DevSecOps \| System Admin \| CMC \| Frontend	$2k↓ 15%	Apr 2022Apr 10, 2022
17 Oleksandr F. 🇺🇦🇺🇦 Cybersecurity Engineer Penetration Tester Cloud Security ISO27001	$2k0%	Dec 2020Dec 15, 2020
18 Hassana Elham I. 🇺🇸🇺🇸 Desktop Application \| Software development \| System Security	$2k↑ 36%	May 2024May 17, 2024
19 Mazen A. 🇱🇧🇱🇧 IT Professional	$2k↑ 3%	Mar 2022Mar 8, 2022
20 Alfredo E. 🇵🇭🇵🇭 IT Support Specialist \| Executive Assistant \| MSP	$2k↑ 3%	Sep 2018Sep 29, 2018

Freelancer	MRR	Member since
21 Derek J. 🇨🇦🇨🇦 Penetration Tester & Cybersecurity Specialist \| Pentest, Hardening	$1k↑ 6%	May 2023May 26, 2023
22 Sanyam J. 🇮🇳🇮🇳 Information Security Expert \| DevSecOps \|Compliance \|AD B2C\| VCISO	$1k↓ 23%	Jun 2020Jun 18, 2020
23 Oussama C. 🇹🇳🇹🇳 DevSecOps \| CI/CD \| IAM \| Kubernetes \| Backend	$1k↑ 4%	Nov 2023Nov 14, 2023
24 Abhijit D. 🇧🇩🇧🇩 OSINT Expert,Cyber Security Specialist and Ethical Hacker	$1k↓ 17%	Aug 2023Aug 25, 2023
25 Sajal M. 🇮🇳🇮🇳 Risk Mitigation Specialist \| Fraud Prevention & Compliance Expert	$1k↓ 18%	Dec 2019Dec 10, 2019
26 Hoang Nhan L. 🇻🇳🇻🇳 (CREST \| OSCP Certified) Penetration Tester \| CyberSecurity Consultant	$1k–	Feb 2020Feb 13, 2020
27 Subin S. 🇮🇳🇮🇳 Linux Infrastructure Engineer \| Proxmox/Scale Computing \| Wazuh SIEM	$967↓ 8%	Mar 2025Mar 25, 2025
28 Md Rakibul H. 🇧🇩🇧🇩 Crypto Recovery Expert \| Cyber Investigator \| Forensics \| VAPT \| Audit	$883↓ 1%	Jul 2022Jul 24, 2022
29 Andrew R. 🇳🇿 NewPrivate profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Oct 15, 2026.New🇳🇿 Full-Stack Engineer \|AI/ML,System,CFD,ERP,ROS2,DBA\|Electrical,CAD	≈$774–	Jun 2026Jun 23, 2026
30 Naim M. 🇱🇧🇱🇧 Network & System Administration \| Systems Engineering	$766↑ 6%	Mar 2026Mar 25, 2026

Freelancer	MRR	Member since
31 Saram F. 🇵🇰🇵🇰 Microsoft 365 \| Entra ID \| System Administrator \| IT Support \| Servers	$765↑ 10%	May 2024May 14, 2024
32 Gyanendra G. 🇮🇳🇮🇳 DevOps Engineer \| AWS \| Linux \| WordPress Security & Malware Removal	$757↓ 7%	Apr 2012Apr 13, 2012
33 Mislav K. 🇭🇷🇭🇷 OSCP+ Penetration Tester \| Web Application & Network Security	$742↑ 6%	Jan 2020Jan 7, 2020
34 Indrojit D. 🇧🇩🇧🇩 Cyber Investigator \| Penetration Tester \| Data Detective \| Dark Web	$703↓ 20%	Feb 2024Feb 6, 2024
35 Mubeen G. 🇵🇰🇵🇰 Cybersecurity & Infrastructure Consultant \| Solution Architect	$459↑ 12%	Nov 2023Nov 1, 2023
36 Hassan M. 🇬🇧🇬🇧 Systems, Network, DevOps Administrator\| RDS \| MSP IT Support Engineer	$458↑ 71%	Jul 2020Jul 19, 2020
37 Harish S. 🇮🇳🇮🇳 Senior DevOps Engineer \| AWS \| Terraform \| Kubernetes \| CI/CD \| Azure	$412↓ 24%	Aug 2019Aug 2, 2019
38 Awais N. 🇵🇰🇵🇰 Remote Surveillance \| CCTV Camera Monitoring Expert \| Data Entry 24/7	$386↑ 3%	Apr 2018Apr 30, 2018
39 Joan C. 🇪🇸🇪🇸 Linux System Administrator Expert in Web Servers	$341↑ 12%	May 2015May 28, 2015
40 Kenya M. 🇺🇸Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Oct 5, 2026.🇺🇸 Ethical Hacker \| Digital forensics \|CyberSecurity Professional \| OSINT	≈$321–	Jul 2023Jul 19, 2023

Freelancer	MRR	Member since
41 Timothy K. 🇺🇸 NewNew🇺🇸 Cyber Security Specialist	$311↓ 33%	Aug 2021Aug 18, 2021
42 Khurram S. 🇵🇰🇵🇰 Cyber Security Analyst \| Technical Writer \| Information Security	$300↓ 40%	Jun 2023Jun 22, 2023
43 Ahmed P. 🇺🇸🇺🇸 Penetration Tester \| Ethical Hacker \| Red Team \| Web & Network Sec	$281↓ 8%	Oct 2022Oct 4, 2022
44 Mel D. 🇱🇻🇱🇻 Penetration Tester: Web \| Mobile \| AI \| Active Directory \| OT	$252↑ 43%	Jan 2024Jan 17, 2024
45 Febin M. 🇮🇳🇮🇳 Pentester/AppSec Eng \| OSCP \| OSWE \| CRTP \| eWPTX \| CEDP	$220↓ 47%	Apr 2023Apr 4, 2023
46 Axel V. 🇩🇴Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.🇩🇴 ISO 27001:2022 Lead Auditor \| M365 Security Admin	≈$188–	Jan 2023Jan 24, 2023
47 Haythem T. 🇹🇳🇹🇳 GCP & AWS Architect \| Ranked in the top 1 percent on Upwork	$173↓ 42%	Oct 2013Oct 19, 2013
48 Louri J. 🇵🇹🇵🇹 Microsoft Systems Engineer \| Project Manager \| Trainer	$173↓ 21%	Nov 2021Nov 12, 2021
49 John M. 🇮🇳🇮🇳 Expert Penetration Tester \| AppSec \| Upwork Expert Vetted \| CEH \| OSCP	$170↑ 4%	Apr 2024Apr 1, 2024
50 Talha K. 🇵🇰🇵🇰 Cybersecurity Analyst \| Cloud Security \| SOC 2 \| ISO 27001	$165↓ 1%	Feb 2024Feb 7, 2024

From public Upwork profiles, refreshed daily.