4Square Recruitment Ltd
Application Support Engineer
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Application Support Engineer
Technical Application Support Engineer
Location: London (Hybrid)
We’re partnering with a fast-growing technology company seeking a Technical Application Support Engineer to ensure seamless operation of complex software deployments within live customer environments.
This opportunity is ideal for candidates who excel in:
- Debugging technical issues
- Working with live systems
- Supporting mission-critical software deployment with tangible outcomes
This is not a conventional helpdesk or ticket-based role. Your focus will be on proactively safeguarding deployment reliability, addressing performance issues, and delivering actionable insights into system health.
Ideal Candidate’s Experience
You will thrive in a role bridging software, data, integrations, telemetry, and customer support.
The Role
Work collaboratively with Customer Success, Engineering, and Data teams to:
- Monitor live deployments for uptime, performance and SLA adherence.
- Detect issues early via logs, metrics, telemetry, and operational data.
- Provide technical expertise in system behaviour and resolutions.
Key Responsibilities
- Proactive Monitoring:
- Track live customer deployments (uptime, performance, SLAs).
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Incident Investigation:
- Diagnose anomalies across data pipelines, real-time integrations, connectivity, deployments and system outputs.
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Customer Engagement:
- Serve as the technical escalation contact for deployment issues.
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Resolution Prioritisation:
- Resolve issues independently or escalate to engineering with clear diagnostic evidence.
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Stakeholder Briefing:
- Write concise technical summaries for internal teams/customers.
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Operational Support:
- Assist with customer reporting, recurring reviews, and service assessments.
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Root Cause Analysis:
- Conduct post-incident reviews and address recurring issues.
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Knowledge Management:
- Create/develop runbooks, troubleshooting guides, and knowledge-base documentation.
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Process Improvement:
- Identify gaps in reliability, monitoring, and support workflows.
Required Experience & Skills
Ideally, you’ll bring 2–5 years in one or more of the following:
- Application, software, or technical support within customer/operational environments.
- Troubleshooting in interconnected systems (e.g., microservices, APIs, cloud architectures).
- Technical writing & customer-facing discussions.
- Knowledge of:
- Technologies: SQL, JSON, Python, Excel (or similar).
- Tools: Jira, Confluence, Microsoft Teams.
- Ability to work autonomously while leveraging team expertise.
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Preferred Background
While not mandatory, familiarity with the following is a bonus:
- Implementation or deployment support (e.g., SaaS rollouts).
- Observability, monitoring, or telemetry tools (Prometheus, Grafana, ELK stack).
- Cloud infrastructure, Linux, Docker, or scripting.
- Industrial IoT, operational systems, or analytics-driven software.
Opportunity Highlights
This role is perfect for someone:
- Passionate about impacting real-world operational success.
- Driven by patient, hands-on problem-solving.
- Excited by a collaborative environment with ongoing growth opportunities.
Work closely with product, engineering, and customers—with scope to own deployments and drive improvements as the business scales.
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