Chanaka Rathnayaka

Chanaka Rathnayaka

Security Leader. Cloud Architect. Builder.

Work With Me

I help startups and SMEs build secure, cloud-native systems without the enterprise price tag. Whether you need a one-time audit, an infrastructure review, or ongoing advisory, I bring deep, hands-on expertise in cloud security, compliance, and DevSecOps.

Service Packages

Server Security Audit

  • Full Linux server security assessment
  • Check open ports, users, file permissions, firewall, SSL certs, outdated packages
  • Audit against CIS benchmarks
  • PDF report with risk scores and prioritized fixes
  • 1 follow-up Q&A session
  • Turnaround: 3–5 business days
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Monthly Retainer

  • Ongoing security monitoring and advisory
  • Up to 20 hours/month
  • Priority response (< 4 hours)
  • Monthly security posture report
  • Best for: Growing SaaS companies needing fractional security leadership
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Why Work With Me

10+ Years of Hands-On Experience

From startup SRE to Associate Director of Security, I've built and secured systems at every scale.

Hands-on ISO 27001, GDPR Compliance

I bridge the gap between technical security controls and compliance frameworks. Practical, not theoretical.

Production Systems at Scale

Built and secured production systems serving thousands of users across AWS, GCP, and Azure.

Senior Expertise, Competitive Rate

Based in Sri Lanka, you get senior-level cloud security expertise at a rate that works for startups and SMEs.

What Others Say

“I had the pleasure of working with Chanaka at OrangeHRM and I can honestly say he is one of the most professional and technically skilled managers I have ever worked with. What stood out most to me was how he balanced deep technical expertise with a genuine passion for mentoring his team.”

Charmin Pramodya Senior Cybersecurity Research Officer

“Chanaka consistently demonstrated exceptional technical expertise and a strong commitment to ensuring the smooth operation of our systems and product. His problem-solving skills and attention to detail were invaluable in resolving complex technical issues promptly and efficiently.”

Kavinda Senarathne Managing Director

“He excelled in analytical thinking, research and development. He worked on challenging projects that greatly helped OrangeHRM development activities, including research on PHP frameworks and Docker environment setup.”

Ridwan Shariiffdeen Principal Research Scientist, Sonar

“I had the pleasure of working with Chanaka at OrangeHRM and I can honestly say he is one of the most professional and technically skilled managers I have ever worked with. What stood out most to me was how he balanced deep technical expertise with a genuine passion for mentoring his team.”

Charmin Pramodya Senior Cybersecurity Research Officer

“Chanaka consistently demonstrated exceptional technical expertise and a strong commitment to ensuring the smooth operation of our systems and product. His problem-solving skills and attention to detail were invaluable in resolving complex technical issues promptly and efficiently.”

Kavinda Senarathne Managing Director

“He excelled in analytical thinking, research and development. He worked on challenging projects that greatly helped OrangeHRM development activities, including research on PHP frameworks and Docker environment setup.”

Ridwan Shariiffdeen Principal Research Scientist, Sonar

“He is a technical expert with remarkable critical thinking and problem solving skills, and the ability to handle even the most challenging situations with clarity and confidence. He managed work effectively and guided the team in the right direction, ensuring projects succeeded.”

Uththara Salini Cybersecurity Technical Lead

“One of the most valuable individuals I have met throughout my career. Both smart, professional and most importantly self-driven. Experienced, deadline-oriented and intelligent person.”

Don Liyanage Information Security Engineer, Iress

“I had the pleasure of working with Chanaka at OrangeHRM and I can honestly say he is one of the most professional and technically skilled managers I have ever worked with. What stood out most to me was how he balanced deep technical expertise with a genuine passion for mentoring his team.”

Charmin Pramodya Senior Cybersecurity Research Officer

“He is a technical expert with remarkable critical thinking and problem solving skills, and the ability to handle even the most challenging situations with clarity and confidence. He managed work effectively and guided the team in the right direction, ensuring projects succeeded.”

Uththara Salini Cybersecurity Technical Lead

“One of the most valuable individuals I have met throughout my career. Both smart, professional and most importantly self-driven. Experienced, deadline-oriented and intelligent person.”

Don Liyanage Information Security Engineer, Iress

“I had the pleasure of working with Chanaka at OrangeHRM and I can honestly say he is one of the most professional and technically skilled managers I have ever worked with. What stood out most to me was how he balanced deep technical expertise with a genuine passion for mentoring his team.”

Charmin Pramodya Senior Cybersecurity Research Officer

“Chanaka consistently demonstrated exceptional technical expertise and a strong commitment to ensuring the smooth operation of our systems and product. His problem-solving skills and attention to detail were invaluable in resolving complex technical issues promptly and efficiently.”

Kavinda Senarathne Managing Director

“He excelled in analytical thinking, research and development. He worked on challenging projects that greatly helped OrangeHRM development activities, including research on PHP frameworks and Docker environment setup.”

Ridwan Shariiffdeen Principal Research Scientist, Sonar

“He is a technical expert with remarkable critical thinking and problem solving skills, and the ability to handle even the most challenging situations with clarity and confidence. He managed work effectively and guided the team in the right direction, ensuring projects succeeded.”

Uththara Salini Cybersecurity Technical Lead

“Chanaka consistently demonstrated exceptional technical expertise and a strong commitment to ensuring the smooth operation of our systems and product. His problem-solving skills and attention to detail were invaluable in resolving complex technical issues promptly and efficiently.”

Kavinda Senarathne Managing Director

“He excelled in analytical thinking, research and development. He worked on challenging projects that greatly helped OrangeHRM development activities, including research on PHP frameworks and Docker environment setup.”

Ridwan Shariiffdeen Principal Research Scientist, Sonar

“He is a technical expert with remarkable critical thinking and problem solving skills, and the ability to handle even the most challenging situations with clarity and confidence. He managed work effectively and guided the team in the right direction, ensuring projects succeeded.”

Uththara Salini Cybersecurity Technical Lead

Read all recommendations on LinkedIn →

Frequently Asked Questions

Yes, I work with clients globally. Most of my clients are in Europe and North America.

I accept payments via Wise or Payoneer. Invoices are issued per project or monthly for retainers.

Absolutely. I'm happy to sign NDAs before any engagement begins.

Reach out and I'll put together a custom quote.

Not sure which package fits? Let's talk.

Book a free call and we'll find the right engagement for your team.

Book a Free Call