Senior Resilience Tester
3 days ago
Senior Quality Engineer – Platform Resilience & Scalability | Platform Engineering | UK - Remote RLDatix (RLD) is on a mission to help raise the standard of care…everywhere. Trusted by over 10,000 healthcare organisations around the world, our solutions help improve health and care. Our applications ensure that patients receive the best and safest care while supporting the providers who deliver it. Joining TeamRLD means being part of a global effort of over 2,000 team members in making a difference in healthcare…every day. We’re searching for a UK-based Quality Engineer – Platform Resilience & Scalability to join our Platform Engineering team, so that we can ensure our Internal Developer Platform remains resilient, scalable, and highly available across multiple global regions. The Quality Engineer will design and execute resilience and performance testing strategies to guarantee our platform meets a 99.95% uptime SLA and scales dynamically under demanding conditions. How You’ll Spend Your Time Design chaos experiments using tools like Chaos Mesh, Litmus, or AWS Fault Injection Simulator to validate failure scenarios across EKS clusters and regions. Test auto-recovery mechanisms such as Karpenter autoscaling, pod restarts, and ALB failover in order to ensure platform resilience. Analyse performance bottlenecks in Kubernetes clusters, Istio service mesh latency, and GitOps pipeline throughput to optimise system behaviour. Validate scalability by testing rapid scale-up scenarios and multi-region failover capabilities to support 3,000+ pods per cluster. Define and monitor SLOs/SLIs for platform services using HoneyComb, CloudWatch, and Prometheus to maintain observability and reliability. What Kind of Things We’re Most Interested in You Having Strong experience in Kubernetes production environments (EKS preferred). Proven success in chaos engineering and resilience testing using major frameworks. In-depth knowledge of distributed systems failure modes and performance tuning. Sincere interest in building resilient, scalable platforms that power global healthcare solutions. A knack for working collaboratively within a fast-paced, cloud-native environment.
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Penetration Tester
5 days ago
United Kingdom Digital Waffle Full timeJob Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid / Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We’re looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You’ll conduct network, web, and application security testing for a...
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Penetration Tester
5 days ago
United Kingdom ReRoot Cyber Full timeReRoot Cyber is seeking a highly skilled and forward-thinking senior penetration tester to join one of the UK’s most respected testing teams. They are an impressive technical team with a genuinely collaborative culture who have the full backing from management to deliver nothing but value adding testing. (They have no problem with 2+1’s and pub sec...
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Penetration Tester
5 days ago
United Kingdom Digital Waffle Full timeJob Title: Penetration Tester (CHECK Team Member)Location: UK (Hybrid / Remote)Experience: 1–3 yearsEligibility: UK National (must be eligible for security clearance)About the Role:We’re looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You’ll conduct network, web, and application security testing for a range...
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Senior Penetration Tester
5 days ago
United Kingdom ReRoot Cyber Full timeReRoot Cyber is seeking a highly skilled and forward-thinking senior penetration tester to join one of the UK’s most respected testing teams. They are an impressive technical team with a genuinely collaborative culture who have the full backing from management to deliver nothing but value adding testing. (No tick box assessments) They have no problem with...
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Senior Penetration Tester
5 days ago
United Kingdom ReRoot Cyber Full timeReRoot Cyber is seeking a highly skilled and forward-thinking senior penetration tester to join one of the UK’s most respected testing teams. They are an impressive technical team with a genuinely collaborative culture who have the full backing from management to deliver nothing but value adding testing. (No tick box assessments) They have no problem with...
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Cybersecurity Penetration Tester
19 hours ago
United Kingdom Cyber Guarded Ltd Full timeHiring: Senior Penetration Tester (CHECK / CREST) – Fully Remote (GB based) Salary: Up to £70k based on experience | Travel: Client sites when needed | Clearance : Must be eligible for SC We’re a long-established, independent cyber security company and the leading NCSC CHECK provider in Northern Ireland now growing across the UK. We’re...
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Senior Penetration Tester
5 days ago
United Kingdom ReRoot Cyber Full timeReRoot Cyber is seeking a highly skilled and forward-thinking senior penetration tester to join one of the UK’s most respected testing teams.They are an impressive technical team with a genuinely collaborative culture who have the full backing from management to deliver nothing but value adding testing. (No tick box assessments)They have no problem with...
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Outcome Tester
1 week ago
LONDON, SW JS, United Kingdom Lawes Consulting Group Full time £38,000 - £40,000 per yearJob DescriptionRole: Customer Outcome Tester (Insurance)Location: HybridContract Type: 9/12 Month ContractSalary: £38,000 - £40,000Our client are looking for a detail-oriented and curious Customer Outcome Tester to join their Controls & Assurance team.Please Note: This is purely an urgent contract positionInsurance experience would be a major advantageThis...
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Penetration Testers
19 hours ago
United Kingdom Cyber Guarded Ltd Full timeHiring: Senior Penetration Tester (CHECK / CREST) – Fully Remote (GB based) Salary: Up to £70k based on experience | Travel: Client sites when needed | Clearance : Must be eligible for SC Cyber Guarded Ltd is expanding! We’re a long-established, independent cyber security company and the leading NCSC CHECK provider in Northern Ireland now growing across...
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Cybersecurity Penetration Tester
5 days ago
United Kingdom Thales Full timeCybersecurity Penetration Tester Location: Remote (with UK-wide regular on‑site client visits; approximately 50% monthly travel for on‑site pen testing) Join a team where red teaming meets real impact - safeguarding defence platforms that shape national security! What The Role Has To Offer Safeguard UK Defence systems through advanced penetration testing...
