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- Tasks: Provide advanced technical support and resolve complex infrastructure issues.
- Company: Dynamic IT company focused on high-availability systems.
- Benefits: Competitive salary, hybrid working model, and continuous professional development.
- Why this job: Join a collaborative team and work on mission-critical infrastructure.
- Qualifications: Senior-level experience in third-line support and strong technical skills.
- Other info: Opportunity for career growth and mentoring within a supportive environment.
The predicted salary is between 36000 - 60000 £ per year.
We are seeking an experienced Third Line Support Engineer to provide advanced technical support, own complex infrastructure issues, and ensure the high availability, security, and performance of critical IT systems. This senior hands-on role focuses on resolving escalated incidents, maintaining and optimising virtualised and containerised environments (VMware, Kubernetes), supporting core business databases (Progress OpenEdge SQL), and contributing to infrastructure projects and continuous improvement.
You will act as the escalation point for the IT Service Desk, drive root-cause analysis, implement proactive fixes, and support business-critical systems with minimal downtime.
Key Responsibilities- Own and resolve complex, escalated incidents and problems from Level 1/2 support, ensuring rapid diagnosis and permanent fixes.
- Provide deep technical troubleshooting across servers, networks, cloud platforms, virtualisation (VMware), container orchestration (Kubernetes), and Progress OpenEdge databases.
- Perform root-cause analysis on recurring or high-impact issues and implement preventive measures.
- Maintain high availability of critical systems through proactive monitoring, patching, updates, and performance tuning.
- Design, implement, maintain, and support virtualised environments (VMware) and containerised workloads (Kubernetes).
- Manage and optimise core business systems, including Progress OpenEdge databases – monitoring, backups, tuning, and recovery.
- Ensure infrastructure is secure, well-documented, compliant with security standards, and regularly patched/updated.
- Support disaster recovery, business continuity planning, and testing of backup/restore procedures.
- Lead or contribute to infrastructure-related projects, upgrades, migrations, and new technology deployments.
- Define technical scopes, coordinate with internal teams and external vendors, and ensure delivery on time, within budget, and with minimal operational impact.
- Act as escalation point and mentor for Level 1/2 support engineers, sharing knowledge and providing technical guidance.
- Assist in developing and refining SLAs, KPIs, and support processes to drive continuous improvement.
- Contribute to the knowledge base with detailed resolution articles and best practices.
- Identify and mitigate infrastructure risks and vulnerabilities.
- Ensure adherence to security policies, standards, and regulatory requirements.
- Work with vendors and partners on advanced support, patching, and security remediation.
- Proven senior-level experience in third-line / advanced infrastructure support roles.
- Strong hands-on expertise in VMware virtualisation (vSphere, vCenter, ESXi), Kubernetes container orchestration, and Progress OpenEdge SQL databases (administration, tuning, backups).
- Server management (Windows/Linux), networking, storage, and cloud platforms.
- Track record of resolving complex technical incidents and delivering root-cause fixes.
- Experience contributing to infrastructure projects, upgrades, and migrations.
- Solid understanding of ITIL processes, SLAs, KPIs, and service desk operations.
- Excellent problem-solving, analytical, and decision-making skills under pressure.
- Strong communication and documentation abilities (technical and non-technical audiences).
- Relevant certifications (e.g., VMware Certified Professional, Kubernetes certifications, ITIL Foundation, Microsoft/Azure, CompTIA Security+, etc.).
- Experience with monitoring tools, scripting/automation (PowerShell, Bash, Ansible), and disaster recovery planning.
- Previous mentoring or team leadership exposure.
What We Offer
- Opportunity to work on mission-critical infrastructure in a high-availability environment.
- Competitive salary and performance-related benefits.
- Hybrid working model with flexibility.
- Continuous professional development and certification support.
- Collaborative, technically focused team.
If you are a technically deep, hands-on senior engineer who thrives on solving complex problems and ensuring system reliability, we’d love to hear from you.
Third Line Support Engineer (Senior Infrastructure & Support Specialist) employer: THAMES 360
Contact Detail:
THAMES 360 Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Third Line Support Engineer (Senior Infrastructure & Support Specialist)
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and join relevant online forums. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Prepare for interviews by practising common technical questions related to VMware, Kubernetes, and database management. We recommend setting up mock interviews with friends or using online platforms to get comfortable with the format.
✨Tip Number 3
Showcase your problem-solving skills! During interviews, be ready to discuss specific incidents you've resolved, focusing on your thought process and the steps you took to achieve a solution. This will highlight your expertise as a Third Line Support Engineer.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!
We think you need these skills to ace Third Line Support Engineer (Senior Infrastructure & Support Specialist)
Some tips for your application 🫡
Check Your CV: Before you hit that apply button, give your CV a good once-over. Make sure it highlights your experience with VMware, Kubernetes, and any other relevant skills that match the job description.
Tailor Your Cover Letter: Don’t just send a generic cover letter! Tailor it to show how your background in third-line support aligns with our needs. Mention specific projects or experiences that demonstrate your problem-solving skills and technical expertise.
Show Off Your Technical Skills: In your application, be sure to showcase your hands-on experience with server management, cloud platforms, and databases like Progress OpenEdge. We want to see how you’ve tackled complex incidents in the past!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity with StudySmarter!
How to prepare for a job interview at THAMES 360
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of VMware, Kubernetes, and Progress OpenEdge SQL databases. Be ready to discuss specific scenarios where you've resolved complex incidents or optimised infrastructure. This will show that you're not just familiar with the tech, but that you can apply it effectively.
✨Prepare for Scenario-Based Questions
Expect questions that ask you to walk through your thought process in resolving technical issues. Prepare examples from your past experiences where you performed root-cause analysis or implemented preventive measures. This will demonstrate your problem-solving skills and ability to think critically under pressure.
✨Showcase Your Mentoring Skills
Since this role involves acting as an escalation point and mentoring junior engineers, be prepared to discuss your experience in guiding others. Share specific instances where you’ve helped a colleague overcome a challenge or contributed to team development. This highlights your leadership potential.
✨Understand the Company Culture
Research the company’s values and work culture. Be ready to explain how your personal values align with theirs. This will help you connect with the interviewers and show that you’re not just a fit for the role, but also for the team.