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Senior Manual QA Engineer

Ciklum Kyiv, Ukraine

remotefull-time
Posted Aug 12, 2026

**Role & seniority: ** Senior Manual QA Engineer (Security Squad) — full-time

**Location & work type: ** Ukraine; remote or office (flexible)

**Stack/tools: **

  • Manual QA, end-to-end testing

  • Linux-based systems

  • Security/cybersecurity concepts (security features, vulnerability management, library update risk monitoring)

  • (No specific automation tools/frameworks stated)

**Top 3 responsibilities: **

  • Own quality of new security features from requirements through delivery across product areas/technologies

  • Write/maintain/present detailed test plans and design/execute manual test cases & regression coverage

  • Investigate, document, and report issues (including clear steps to reproduce) and support release readiness with engineering/product/customer success/PS

**Must-have skills: **

  • 4+ years manual QA/software testing; 3+ years end-to-end testing on large-scale backend or full-stack projects

  • Ability to create/execute test plans, test cases, and regression suites

  • Linux experience

  • Cybersecurity familiarity

  • Strong communication and collaboration

**Nice-to-haves: **

  • Experience with security update/vulnerability management processes

  • Experience troubleshooting issues related to security updates and dependency/library risks

Full Description

Ciklum is looking for a Senior Manual QA Engineer to join our team full-time in Ukraine.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role

We are looking for a Senior Manual QA Engineer to join our talented Security Squad. Our team tackles some of the most complex security challenges which accompany our cloud infrastructure and flagship micro-segmentation product, that isolates workloads and services within a network to limit unauthorized movement and reduce risk. By working at the intersection of networking, security, and scalability, we ensure the product can handle real-world enterprise demands while protecting critical assets.

Our Client is changing the way organizations protect their data centers and clouds from advanced threats. Our team boasts some of the most talented and experienced cybersecurity and data center experts. We're always looking for new people to inspire us and make us better.

Responsibilities

  • Owning the quality of new security features from requirements through delivery across product areas and technologies
  • Writing, maintaining, and presenting detailed test plans
  • Designing and executing reliable, efficient, and thorough manual test cases
  • Collaborating closely with engineering teams, product teams, customer success, and professional services to ensure smooth secure releases
  • Investigating, documenting, and reporting issues with clear steps to reproduce
  • Contributing to periodical security update processes and assisting troubleshoot related issues
  • Supporting vulnerability management by monitoring library updates and identifying risks

Requirements

  • Have 4+ years of experience in manual quality assurance and software testing
  • Have 3+ years of experience in end-to-end testing of large-scale backend or full-stack projects
  • Demonstrated ability to create and execute test plans, test cases, and regression suites
  • Experience working with Linux-based systems
  • Familiarity with cyber security concepts and technologies
  • Excellent communication skills and a collaborative attitude

What’s in it for you?

*** Strong community:** Work alongside top professionals in a friendly, open-door environment

*** Growth focus:** Take on large-scale projects with a global impact and expand your expertise

*** Tailored learning:** Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications

*** Endless opportunities:** Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies

*** Flexibility:** Enjoy radical flexibility – work remotely or from an office, your choice

*** Care:** We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations

About us

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.

As one of Ukraine’s largest IT companies and a top employer recognized by Forbes, we’ve spent over 20 years delivering meaningful tech solutions. We proudly support diverse talent and military veterans, recognizing their unique skills and perspectives they bring to shaping the future.

Explore, empower, engineer with Ciklum!

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

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Manual quality assuranceSoftware testingEnd-to-end testingTest plansTest casesRegression suitesLinuxCyber securityBackend testingFull-stack testingTroubleshootingVulnerability managementCommunication skillsCollaborationmulti-location

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