Lead Non-Functional Test Engineer | Careers
About this role
The Future of Geospatial in UK Water - Download the whitepaper Open roles Lead Non-Functional Test Engineer Role info Principal Consultant Full Time India - Hyderabad Competitive Apply Now Share this role Introduction The Non‑Functional Test Engineer is a senior, hands‑on role responsible for owning and driving the complete non‑functional testing agenda across enterprise applications, ETL platforms, SAP systems, and cloud-based environments. With deep expertise in performance, infrastructure, and security testing, this role ensures that systems are resilient, scalable, secure, and production‑ready. The engineer will design and execute complex performance tests, validate infrastructure readiness across environments, perform security assessments, and define non‑functional acceptance criteria that align with architectural and business expectations. In addition to leading non‑functional testing, the role provides offshore coordination for functional QA activities, managing a distributed testing team, overseeing the defect lifecycle, ensuring requirement traceability, and maintaining clear communication with onshore stakeholders. This position requires strong leadership, technical depth, and the ability to troubleshoot problems across applications, APIs, databases, servers, and cloud platforms. The engineer will act as the go‑to SME for all non‑functional testing efforts from India, supporting delivery in a fast-paced Agile environment and contributing to the stability, reliability, and performance of critical enterprise systems. Experience in utilities (energy, water, gas, smart metering) is a strong advantage, but consultants with deep enterprise testing skills across other industries are also well‑suited for this role. The role We're looking for a hands-on Non-Functional Test Engineer with 8+ years of experience across Performance, Infrastructure, and Security Testing. You'll also be expected to manage functional testing activities from offshore.Day to day, you'll own the non-functional testing agenda making sure our enterprise apps, ETL platforms, SAP systems, and cloud environments actually work under pressure, stay secure, and are ready for production. On the functional side, you'll coordinate the offshore QA team, handle defect triage, and keep onshore stakeholders in the loop with clear reporting.Utilities experience (energy, water, gas, smart metering) is a strong plus, but we'll consider solid candidates from other enterprise backgrounds.You'll lead a small offshore team and be the go-to person for all non-functional testing activities on the India side. Responsibilites Key Responsibilities Non-Functional Testing (Primary): Plan and run performance tests load, stress, endurance, spike, scalability Find bottlenecks and work with dev and infra teams on fixes Validate infrastructure across Dev, QA, UAT, and Prod environments Check server configs, cloud deployments (Azure/AWS), networking, and CI/CD pipelines Run vulnerability assessments and make sure we meet standards Test authentication, authorisation, encryption, and API security Set non-functional acceptance criteria, SLAs, and benchmarks with architects and product owners Write and maintain performance test scripts, test data, and reusable frameworks Handle reliability testing failover, disaster recovery, basic chaos engineering Support accessibility testing where needed Functional Test Management (Offshore Coordination): Run the offshore functional test team assign work, track progress, remove blockers Review test plans, test cases, and traceability matrices Own the defect lifecycle triage, prioritisation, chase resolution Send daily/weekly test reports and dashboards to onshore leads Make sure test coverage maps back to business requirements Be the single point of contact for offshore testing Run knowledge transfer sessions and keep test documentation up to date Look after test environments provisioning, test data, data masking Handle API and integration testing (REST/SOAP) using Postman, REST Assured, or similar The candidate Technical Skills We Need Performance & Load Testing: JMeter, LoadRunner, Gatling, or k6 must be hands-on APM/monitoring: Grafana, Dynatrace, App Insights, or similar Solid understanding of workload modelling and test design patterns Infrastructure & Cloud: Comfortable with Linux and Windows server environments Azure or AWS compute, networking, storage, deployments CI/CD: Jenkins, Azure DevOps, GitLab CI, or similar Docker/Kubernetes basics (nice to have) Security Testing: Burp Suite, or similar scanning tools Familiar with OWASP, SAST/DAST, and API security testing Databases: Can write queries and validate data in Oracle, SQL Server, PostgreSQL, or Snowflake API & Integration Testing: Postman, REST Assured, SoapUI, or similar Experience checking API contracts, response times, error handling, data integrity Reporting: Confluence or SharePoint for documentation Power BI or Excel for dashboards and metrics Ways of Working: Worked in Agile teams (Scrum/Kanban); SAFe exposure a plus Understands shift-left testing and continuous testing in CI/CD What We're Looking For (Beyond Technical) Has actually managed offshore or distributed QA teams before Communicates clearly can work effectively across UK and India Comfortable presenting to senior stakeholders and clients Good at digging into problems and getting to root cause Can get on with things without needing to be chased Nice to Have ISTQB certification (Foundation or Advanced Performance Testing) Tested SAP, ETL/data pipelines, or enterprise integration platforms Worked with shift-left or DevSecOps practices Used service virtualisation tools (WireMock, Mountebank) Knows about observability and SRE Utilities domain smart metering, SAP IS-U/CCS, meter-to-cash, field service, energy retail Regulatory/compliance testing in utilities (Ofgem, market messaging, industry data flows) Chaos engineering tools (Chaos Monkey, Gremlin, LitmusChaos) Accessibility tools (Axe, WAVE, Lighthouse) Safer, smarter, more resilient infrastructure. 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What this role is, and what else it is called
Employers in the UK advertise this kind of work as QA Engineer, Quality Assurance Manager, Test Engineer and QA Tester too, so it is worth searching more than one wording. It is a lead or principal QA & Software Testing role in the UK, advertised without a stated working pattern, which is worth asking about.
About hiring at Nxzen
Nxzen has 23 other live technology roles on its careers page, across Data, AI & Machine Learning, QA & Software Testing and DevOps, Platform & SRE. Of those, 4% are advertised as fully remote and 63% as hybrid. Elsewhere in its adverts Nxzen asks for Terraform, Google Cloud and Tableau. We have been observing Nxzen hiring technology staff since May 2026. See all Nxzen roles, salaries and stack.
How this role compares to the market
1,453 live UK roles list AWS right now, from 502 employers. The median advertised salary is £80,000; 28% are advertised as remote. Browse AWS roles.
1,143 live UK roles list Azure right now, from 445 employers. The median advertised salary is £55,000; 28% are advertised as remote. Browse Azure roles.
Lead and principal roles make up 1,636 of the live UK IT market and advertise a median of £80,000.
Market figures are today's snapshot of live UK roles on employer careers pages; see hiring trends.
Technologies mentioned
Detected on Nxzen's careers page. ProdReady Recruitment lists this vacancy as an aggregator and is not the employer; applications go to the employer's own site.