Hire the Best Cybersecurity Engineers

Clients rate our Cybersecurity Engineers
Rating is 4.7 out of 5.
4.7/5
Based on 1,006 client reviews

Christian O.

Cybersecurity Engineer | Penetration Testing | SOC Analysis & Cloud S

Lagos, Nigeria
$15 per hour
6 jobs
$100+ total earnings

🔒 Cybersecurity & SOC Analyst – Ready to Secure Your Digital Assets 🔒 I am a Cybersecurity Specialist with a strong background in penetration testing, SOC monitoring, and incident response. With over 6 years of enterprise networking experience at Huawei Technologies, I now focus on helping businesses detect threats, close vulnerabilities, and strengthen security posture. ✅ What I Offer: Penetration Testing (Web apps, APIs, WordPress, mobile apps) SOC Analysis (SIEM monitoring, log analysis, threat hunting, incident response) Vulnerability Assessments (Nmap, Nessus, OpenVAS, Burp Suite) Identity & Access Management (IAM) (MFA, SSO, RBAC, Zero Trust) Cloud Security (AWS, Azure) Security Automation (Python & Bash scripting) 🛠 Tools & Platforms: Burp Suite, Metasploit, Wireshark, Splunk, Suricata, Nmap, Nessus, Hydra, Kali Linux, ELK Stack. 💡 Why Me? Hands-on labs & simulations with Xaltius Academy and Forage (Deloitte, Mastercard, TATA, Commonwealth Bank, Citi, Accenture, JPMorgan). Experience on large-scale international projects (Nigeria, South Africa, Sierra Leone). Proven ability to deliver compliance-ready security reports aligned with SOC 2 Type 2, ISO 27001, 27701, and GDPR. 📩 Let’s work together to secure your systems before attackers do.

Oleksandr F.

Cybersecurity Engineer Penetration Tester Cloud Security ISO27001

Chernivtsi, Ukraine
$45 per hour
24 jobs
$40K+ total earnings

⭐️⭐️⭐️⭐️⭐️ I don't just find vulnerabilities - I prove how attackers can exploit them, help you fix them, and verify they're gone. 12+ years | 663+ clients | 900+ security assessments | 2,700+ vulnerabilities identified I'm a Cybersecurity Engineer, Penetration Tester, Cloud Security Engineer, and Ethical Hacker with 12+ years of hands-on experience. I've worked with 663+ clients across 36 countries, completed 900+ security assessments, identified 2,700+ vulnerabilities, and built an 80% repeat-client rate by focusing on practical security outcomes—not generic scanner reports. Whether you need a Cybersecurity Engineer to strengthen your infrastructure, a Penetration Tester for an upcoming assessment, a Cloud Security Engineer to secure AWS, Azure, or GCP, or an experienced Ethical Hacker to simulate real-world attacks, I provide clear findings, verified exploitation, and actionable remediation. 🛡️ Why Clients Choose Me • 12+ years of professional Cyber Security experience • 663+ clients across 36 countries • 900+ penetration testing & security assessments • 2,700+ vulnerabilities identified • 500+ Critical & High-risk findings • 140+ Cloud Security assessments • 75+ Incident Response investigations • 80% repeat-client rate As a Cybersecurity Expert, I've helped startups and enterprises across FinTech, Healthcare, SaaS, eCommerce, Blockchain, and Government improve their Cyber Security, strengthen Cloud Security, and prepare for SOC 2, HIPAA, ISO 27001, and PCI DSS. 🔐 Core Security Services Web Application Penetration Testing As a Penetration Tester, I combine manual exploitation with targeted automation to identify vulnerabilities scanners frequently miss: SQL Injection • XSS • SSRF • XXE • CSRF • RCE • IDOR • Authentication & Authorization flaws • Business Logic vulnerabilities • Race Conditions • API Security • OWASP Top 10 I don't simply report that a vulnerability exists—I demonstrate its real-world impact with reproducible PoCs. ☁️ Cloud Security — AWS | Azure | GCP As a Cloud Security Engineer, I assess and harden cloud environments across: IAM • Kubernetes • Docker • S3/Cloud Storage • VPC • Serverless • CI/CD • Infrastructure as Code • Secrets Management • Logging & Monitoring • DevSecOps My Cloud Security assessments focus on real attack paths, including privilege escalation, excessive permissions, exposed assets, insecure IAM policies, vulnerable Kubernetes configurations, and cloud misconfigurations. 🌐 Infrastructure & Mobile Security Infrastructure penetration testing covering Windows, Linux, Active Directory, VPNs, firewalls, wireless networks, privilege escalation, lateral movement, and network segmentation. Mobile application security for Android and iOS, including reverse engineering, static/dynamic analysis, API security, secure storage, certificate pinning, root detection, and jailbreak detection. As a Cybersecurity Engineer, I approach every environment from an attacker's perspective while keeping remediation practical for your engineering team. 💻 Secure Code Review & Incident Response Manual code review, SAST, DAST, malware analysis, digital forensics, threat hunting, cloud forensics, and Incident Response. I also work closely with Java Developer teams, DevOps engineers, architects, security teams, and IT Project Manager stakeholders to integrate security into development and improve overall IT Service reliability. 📊 What You Get • Executive Summary • Detailed Technical Report • Business Risk Assessment • CVSS Prioritization • Working Proofs of Concept • Screenshots & Reproduction Steps • Developer-Friendly Remediation • Free Retesting • Long-Term Security Recommendations My goal is not to give you another 100-page report. It's to show you what can actually be exploited, how it can impact your business, how to fix it, and verify that it's fixed. 🏆 Selected Results • Helped a FinTech startup address critical AWS and application vulnerabilities before a $20M+ funding round and SOC 2 assessment. • Identified critical smart contract vulnerabilities before production deployment. • Helped a Healthcare SaaS platform address PHI exposure and prepare for HIPAA compliance. • Reduced remediation time by approximately 40% through clear PoCs and prioritized technical guidance. • Improved Cloud Security across enterprise AWS environments by identifying privilege escalation paths, excessive permissions, and exposed infrastructure. 🎓 Certifications & Frameworks OSCP • CEH (Certified Ethical Hacker) OWASP • PTES • MITRE ATT&CK • NIST • CVSS My experience as a Certified Ethical Hacker, Cybersecurity Expert, Cybersecurity Engineer, Penetration Tester, and Cloud Security Engineer allows me to communicate effectively with both technical teams and business stakeholders. If you're looking for a Cybersecurity Engineer, Penetration Tester, Cloud Security Engineer

Chirag G.

Cyber Security Consultant | AWS | Azure | GCP | GRC

Adelaide, Australia
$15 per hour
24 jobs
$10K+ total earnings

Chirag has spent almost 15 years in cybersecurity and worked in 10 different countries with talented cyber engineers. So, he knows the difference between a virus and a worm. Early in his career, he provided network security for Fortune 500 clients before advancing to cybersecurity, where he then spent his time learning and securing multiple clouds. His journey led him to Australia, where he worked with the government before starting his company and consulting for South Australia Health Department and a major bank. He won several prestigious awards and earned around 26 technical certifications. Currently, he is working with a team of people much smarter than him at Cybernara. You can find him geeking out on LinkedIn at Chirag’s LinkedIn. Also, don’t forget to say hi.

Nadheera S.

Cybersecurity Professional & AI Developer| IBM & ISC2 Certified Expert

Ganemulla, Sri Lanka
$25 per hour
26 jobs
$30K+ total earnings

Hello! I’m Nadheera Senasinghe, a cybersecurity professional and AI security specialist with a proven record of protecting enterprise infrastructures, securing AI-powered applications, and leading digital transformation initiatives globally. As the Chief Project Manager and Co-founder of Red Threat Cyber Security (RTCS), I lead a team of expert ethical hackers, AI engineers, and compliance auditors delivering tailored cybersecurity and AI solutions for startups, healthcare providers, fintech platforms, SaaS companies, and regulated enterprises. 🔐 Cybersecurity Services Offered: • Penetration Testing & Ethical Hacking – Web, Mobile, API, IoT, and Network Pentesting – OWASP Top 10, SQLi, XSS, CSRF, RCE, RFI, and Serialization Attacks – Red Teaming, Adversary Emulation, and Purple Teaming – Pentesting for LLM/GPT apps (prompt injection, model exploitation) • Managed Security Services (MSSP) – SIEM (Splunk, Azure Sentinel, QRadar) & SOAR – 24/7 Threat Monitoring, EDR/XDR Deployment – SOC/NOC Architecture & Incident Response Playbooks • Cloud Security & DevSecOps – Cloud Audits (AWS, Azure, GCP), Zero Trust Design – Kubernetes & Docker Security, CI/CD Hardening – Infrastructure as Code (IaC) Reviews • Governance, Risk & Compliance – HIPAA, GDPR, ISO 27001, NIST CSF, SOC 2, PCI-DSS – Risk Assessments, DPIAs, Gap Analysis & Internal Audits • Threat Intelligence & OSINT – Corporate Recon, Espionage Risk Identification – Executive Profiling, Dark Web Monitoring • CISO-as-a-Service & Awareness Training – Virtual CISO Engagements – Custom Security Awareness Workshops 🤖 AI & GPT Integration Services: • LLM & GPT Security – Prompt Injection Prevention – Jailbreak Testing, Output Control – Secure API Wrapping & Audit Logging • Custom GPT Application Development – SEO GPT (w/ Moz API), Compliance GPT, Pentest GPT – Retrieval-Augmented Generation (RAG) Systems – Red Mallory: A proof-of-concept GPT demonstrating AI vulnerabilities (for research/awareness) • Secure AI Deployments – LLM System Design with Role-Based Access & Token Control – Data Leakage Protection for AI Systems – AI-driven Compliance Automation Tools 🎓 Certifications & Tools: • ISC² Systems Security Certified Practitioner (SSCP) • NIST CSF Practitioner | Google Project Management Certified • Tools: Burp Suite, Metasploit, Nessus, Nmap, Splunk, Nikto, IriusRisk, Wireshark, Threat Modeler, Microsoft TMT, DirBuster, OpenVAS 🌍 Client Locations & Industries Served: We’ve delivered successful projects in the USA, UK, UAE, Canada, Mexico, Belgium, Ghana, Hungary, and Latvia, serving sectors like: • Healthcare & HIPAA Platforms • Fintech & Payment Systems • SaaS & LLM-Based Startups • E-Commerce, Oil & Gas, Real Estate, and Public Sector Projects include HIPAA audits, fintech pentesting, red teaming for remote-first organizations, cloud security assessments, GPT app development, and cyber defense automation. 🚫 Please Note: I do NOT offer personal hacking, scam recovery, crypto wallet recovery, or any illegal services. 📩 Let’s Work Together! Whether you're building secure AI applications, improving your cyber defense posture, or seeking compliance-ready solutions—I bring hands-on leadership, global delivery experience, and technical excellence to every engagement. Let’s secure your digital future together.

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What does a Cybersecurity engineer do?

A cybersecurity engineer builds and tests security controls to protect networks and systems throughout their entire development lifecycle. This role focuses on designing secure architectures rather than just monitoring them after deployment. You investigate active threats by collecting digital evidence and prioritizing response actions to limit damage. The work requires constant evaluation of system vulnerabilities against evolving cyber threats.

  • Design and develop information system security measures during every phase of the systems development life cycle. You evaluate these controls against strict requirements to verify they block unauthorized access before launch. This process involves creating detailed security design artifacts that guide developers in building safe code. Testing results document how well the system resists specific attack vectors defined in the project scope.
  • Investigate cyber incidents by analyzing log data from multiple sources to identify malicious activity. You use security information and event management tools to correlate events and generate precise alerts. Collecting digital evidence helps you determine the root cause of a breach and stop further intrusion. Prioritize response actions based on the severity of the threat to restore normal operations quickly.
  • Coordinate incident-response roles among technology professionals and incident handlers during a security crisis. You support recovery efforts by implementing fixes that prevent similar attacks from happening again. Continuous improvement relies on lessons learned from each incident to strengthen future defense strategies. Submit reports that detail the timeline of the event and the effectiveness of the countermeasures used.

How to hire a Cybersecurity engineer on Upwork

Step 1: Post a job

Define the security controls and incident-response capabilities you need by describing your systems in a few sentences. The Job Post Generator powered by Uma™, Upwork's Mindful AI drafts a complete post for this role based on your input. You can write a new post, update a saved draft, or reuse an existing post to start hiring.

  • Specify requirements for designing and testing information system security throughout the systems development life cycle.
  • List necessary tools such as SIEM platforms for log event monitoring and SOAR solutions for automated response actions.
  • Detail expectations for investigating cyber incidents by collecting evidence and prioritizing actions to limit damage.

Step 2: Evaluate candidates

Look for portfolios that show concrete artifacts from system security evaluations and incident handling. Uma runs instant video interviews and builds shortlists with side-by-side comparisons to help you assess these technical signals quickly.

  • Review test and evaluation reports that document results against specific security specifications and requirements.
  • Examine alerts and ticket entries derived from log data correlation to verify analytical precision.
  • Check for root-cause findings that demonstrate how a candidate restored operations after a verified incident.

Step 3: Interview your top choices

Discuss specific workflows for detecting malicious activity and coordinating recovery efforts. Schedule and conduct these interviews within Upwork Messages to receive an immediate transcript and summary after each session.

  • Ask how they integrate continuous improvement into the detect, respond, and recover functions of incident response.
  • Verify their method for using up-to-date cyber threat intelligence during log analysis and alert generation.
  • Confirm their experience coordinating with technology professionals and incident handlers during active breaches.

Step 4: Agree on scope and begin work

Set clear milestones for security design artifacts and incident-handling outputs. Use Upwork Messages and the contract workroom for communication and project management, plus identity verification, payment protection, hourly tracking, and project funds for security.

  • Define deliverables such as system security design documents and evaluated test results for each milestone.
  • Establish protocols for submitting analyzed evidence and prioritized response actions within the contract workroom.
  • Agree on reporting formats for alerts and tickets generated from automated or manual log analysis.

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this article. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.

The rates and information provided in this article are based on current data and industry sources available at the time of publication. Freelance rates can vary depending on factors such as experience, location, project scope, and market conditions. Readers are encouraged to conduct their own research to confirm current rates and trends, as this information may change over time.

How much does hiring a Cybersecurity engineer cost?

$500-$2,500 per project is a typical range for focused Cybersecurity engineer work. Final pricing depends on scope, technical complexity, required integrations, source-material quality, revision needs, and the freelancer's experience level.

Vulnerability assessment

$500-$1,200/project

Entry-level to mid-level
  • Documented system vulnerabilities and risk levels
  • Prioritized steps to patch identified security gaps
  • Verification of applied fixes and residual risks

Incident response analysis

$1,200-$3,000/project

Mid-level
  • Collected and analyzed data from security events
  • Detailed findings on attack vector and impact scope
  • Steps taken to restore operations and limit damage

SIEM configuration

$3,000-$6,000/project

Mid-level to senior-level
  • Integrated data feeds from servers and applications
  • Custom correlation logic for suspicious activity detection
  • Visual interface for real-time security monitoring

Security architecture design

$6,000-$10,000/project

Senior-level
  • Detailed diagrams of network security controls and zones
  • Written standards for access control and data protection
  • Alignment of design with industry regulatory requirements

Penetration testing

$10,000-$18,000/project

Expert-level
  • Simulated attacks against live systems and applications
  • Proof-of-concept code and detailed vulnerability breakdowns
  • Specific technical instructions to close exploited weaknesses

Frequently asked questions

Is hiring a Cybersecurity engineer worth it?

For most businesses, yes: hiring a Cybersecurity engineer is worthwhile. These specialists design and test security controls that protect your systems throughout their lifecycle. They also investigate incidents to limit damage and restore operations quickly.

How do I evaluate Cybersecurity engineer candidates?

Look for candidates who demonstrate experience with log data correlation and incident response workflows. A strong candidate will show how they used SIEM tools to generate alerts and prioritize response actions during past security events.

What tools does a Cybersecurity engineer use?

A Cybersecurity engineer uses SIEM and SOAR platforms to monitor networks and automate responses. They also rely on ticketing systems and cyber threat intelligence to analyze logs and manage security alerts.

What deliverables should I expect from a Cybersecurity engineer?

You should receive system security design artifacts and test evaluation reports that document results against requirements. The engineer will also submit incident-handling outputs that include analyzed evidence and root-cause findings.