Senior Technical Support Engineer

Senior Technical Support Engineer

Salary: £55000 - £65000 + Excellent Benefits

Location: Cheltenham, Gloucester – Hybrid

Clearance Required: You are required to hold an eDV level security clearance

Are you an experienced Support Engineer ready to step into a senior role within a high-impact, mission-critical environment?

We're working with a global leader in Cyber & Intelligence who are actively seeking a Senior Support Engineer to join their dynamic and fast-paced operations team. This is a unique opportunity to work on secure platforms used by high-profile government and defence clients, where your technical expertise will truly make a difference.

Role Overview

As a Senior Support Engineer, you'll play a pivotal role in maintaining and optimising secure, large-scale infrastructure. From proactive system monitoring to incident resolution and collaboration with engineering teams, you’ll ensure the seamless performance and security of essential systems.

Key Responsibilities

• Provide advanced technical support for complex, live systems
• Monitor critical infrastructure to ensure optimal uptime and reliability
• Troubleshoot issues across Linux servers, applications, and cloud environments
• Work closely with development teams to resolve incidents quickly and efficiently
• Identify and mitigate technical risks
• Maintain clear documentation of incidents and solutions
• Implement DevOps and SRE best practices to drive system performance

Skills / Knowledge

You will have exposure to one of more of the following.

• Strong experience supporting live, mission-critical environments
• Deep knowledge of Linux server administration
• Skilled in log analysis using tools like Splunk or ELK stack
• Hands-on with tools and platforms such as: Apache NiFi, MinIO, AWS S3
• Java & Python applications (deployment, patching, support)
• Containerisation and deployment technologies such as Docker, Podman, Kubernetes, OpenShift
• Excellent analytical, troubleshooting, and prioritisation skills

Security Clearance

You are required to hold an eDV level security clearance

Why Apply?

• Be part of a respected and innovative tech & security organisation
• Work on systems that genuinely make a difference
• Career progression opportunities across engineering and DevOps
• Flexible working options.

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