Senior technical support Work, Jobs in Harlington, Gtl (with Salaries)

Senior Performance Tester
IT VALLEY (LONDON) LIMITED —Egham
- £40,000 - £52,000 a year
- Full-time
- Hybrid work
- Software troubleshooting
- Business development
- Scripting
Quick apply
Senior Technical Support Specialist
Motorola Solutions —Uxbridge
- Full-time
- Computer Science
- Bachelor's degree
- No degree
- Employee assistance programme
Academic Administration Officer
Institute for Optimum Nutrition —Richmond
- £23,200 a year
- Part-time
- Hybrid work
- Microsoft Word
- Microsoft Outlook
- Administrative experience
- Health & wellbeing programme
- Annual leave
Quick apply
2d
Clean Energy Officer
Hammersmith & Fulham Council —Hammersmith
- £44,937 - £47,925 a year
11d
Technology Delivery Manager
Pad Financial —London
- £70,000 - £74,000 a year
- Full-time
- PMP
- In-person
- Communication skills
- Free parking
- Gym membership
Quick apply
2d
Senior Technical Services Manager - Cluster Lead
Sodexo —London
- Up to £80,000 a year
- Full-time
- No degree
- Communication skills
- Banking
- Employee assistance programme
Quick apply
7d
Chief Technology Officer
Artsy and Artnet —London
- £200,000 - £350,000 a year
- Full-time
- Hybrid work
- Mentoring
- Agile
- AI
- Employee assistance programme
Business Analysts — All Levels - UK Wide
Concept AI Ltd —London
- £35,000 - £120,000 a year
- Full-time
- Hybrid work
- Engineering
- Analysis skills
- Bachelor's degree
- Flexitime
- Work from home
Quick apply
Senior Technical Support Engineer
YugabyteDB —London
- Remote
- Linux
End User Support Engineer (L2/L3)
Nimbus —London
- £45,000 - £50,000 a year
- Full-time
- Google Suite
- Maintenance
- Continuous improvement
- Health & wellbeing programme
- Life insurance
Quick apply
Head of Claims
MLabs —London
- £150,000 - £200,000 a year
- Full-time
- Remote
- Recruiting
- In-person
- AI
- Annual leave
Quick apply
AI Builder, Emerging Talent - UK & Ireland Market
Salesforce —London
- Full-time
- Up to 50% travel
- Sales
- English
Project & Deployment Coordinator
KCP Network —Bracknell
- £35,000 - £40,000 a year
- Full-time
- Hotel
- In-person
- AI
- Free parking
- Health & wellbeing programme
Quick apply
3d
Senior Business Analyst
Civic Recruitment Limited —Surrey Heath
- £650 a day
- Full-time
- Communication skills
Quick apply
Senior Facilities Coordinator
The Millennium Group —London
- £54,000 - £57,000 a year
- Full-time
- Bachelor's degree
- Front desk
- Business
Quick apply
Paraplanner / Trainee Mortgage Adviser
Loans Warehouse —Watford
- £23,500 - £25,000 a year
- Overtime
- CRM software
- Customer service
- Organisational skills
- Free parking
- Life insurance
Quick apply
4d
Head of IT
dnata —London
- Full-time
- Hybrid work
- PMP
- Team management
- Leadership
- Referral programme
Quality Assurance & Regulatory Affairs Executive - Maternity Cover
TensCare Ltd —Epsom
- £35,000 - £42,500 a year
- Temporary
- Hybrid work
- Bachelor's degree
- Continuous improvement
- Team management
- Profit sharing
- Work from home
Quick apply
Business Process and Operations Analyst
MANAGEMENT CONSULTANCY CAMPUS LTD —London
- £35,000 - £45,000 a year
- Full-time
- Hybrid work
- Analysis skills
- Bachelor's degree
- Agile
Quick apply
11d
Training and Support SME (Military)
CGI —Leatherhead
- Full-time
- Hybrid work
- Communication skills
Quick apply

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Senior Performance Tester

IT VALLEY (LONDON) LIMITED
Egham

Quick apply

Job details

Permanent | Full-time
£40,000 - £52,000 a year

Qualifications

Technical troubleshooting
Conduct risk analysis
Software troubleshooting
Mobile applications
Test automation
Selenium
Performance testing
Business development
CI/CD pipelines
Scripting
Scrum
Jenkins
Communication skills

Full job description

Job ID: ITV/JUNE2026/01

Number of positions: 01

IT Valley (London) Limited is looking for a motivated and enthusiastic Senior Performance Tester to join our growing team. The ideal candidate will be responsible for identifying new business opportunities, building client relationships, and supporting the company’s sales growth. This role requires good communication skills, confidence in dealing with customers, and the ability to achieve sales targets.

Duties and Responsibilities:

· Design and manage the overall performance testing strategy for web and mobile applications, ensuring alignment with business and technical objectives.

· Define measurable performance benchmarks, SLAs, and success criteria in collaboration.

· Conduct load, stress, endurance, and scalability testing to evaluate application behavior under normal and peak traffic conditions.

· Validate application responsiveness, stability, and reliability to ensure optimal end-user experience.

· Prepare and present performance test results, risk assessments, and release readiness reports to leadership and clients.

· Plan and coordinate performance testing activities across sprint cycles and release schedules.

· Work closely with developers, architects, and business analysts to integrate performance requirements early in the development lifecycle.

· Analyze system architecture, infrastructure limitations, and integration dependencies to identify performance risks and capacity issues.

· Investigate bottlenecks related to application code, APIs, databases, network latency, or infrastructure constraints.

· Provide technical leadership to testing teams by reviewing deliverables, setting standards, and driving process improvements.

Act as the primary escalation point for critical performance-related concerns and support release decisions.
Promote continuous improvement by enhancing testing frameworks, methodologies, and automation practices.

Skills & Experience

· Extensive hands-on experience in performance testing of large-scale enterprise applications.

· Strong knowledge of performance engineering concepts including load testing, capacity planning, stress testing, and bottleneck analysis.

· Experience with automation frameworks and testing tools such as Appium, Selenium, Cypress, Espresso, XCUITest, or similar platforms.

· Strong programming/scripting skills in Java, Python, JavaScript, or C# for test automation and framework development.

· Experience integrating automated testing into CI/CD pipelines using tools such as Jenkins, GitLab CI, Azure DevOps, or equivalent.

· Solid understanding of distributed application architecture, APIs, databases, and system integrations.

· Hands-on experience with APM and monitoring tools such as Dynatrace, AppDynamics, Datadog, or similar solutions.

· Strong experience working within Agile/Scrum environments.

· Excellent analytical, troubleshooting, and problem-solving skills.

· Proven ability to mentor junior testers or lead performance testing teams.

Pay: £40,000.00-£52,000.00 per year

Work Location: Hybrid remote in Egham TW20 8HE

Quick apply

Refine Your Search

senior technical support jobs in harlington, gtl

Senior Performance Tester

Senior Technical Support Specialist

Academic Administration Officer

Clean Energy Officer

Technology Delivery Manager

Senior Technical Services Manager - Cluster Lead

Chief Technology Officer

Business Analysts — All Levels - UK Wide

Senior Technical Support Engineer

End User Support Engineer (L2/L3)

Head of Claims

AI Builder, Emerging Talent - UK & Ireland Market

Project & Deployment Coordinator

Senior Business Analyst

Senior Facilities Coordinator

Paraplanner / Trainee Mortgage Adviser

Head of IT

Quality Assurance & Regulatory Affairs Executive - Maternity Cover

Business Process and Operations Analyst

Training and Support SME (Military)

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