Senior Support / Systems Operations Engineer (Linux, AWS, Networking) required by a technology-driven organisation to help support and improve their cloud, network, and voice infrastructure.
This role is ideal for someone who enjoys getting hands-on with complex technical challenges, working across Linux environments, AWS infrastructure, and networking, and taking ownership of advanced support issues. You’ll be a key escalation point within the support team and play an important role in maintaining the reliability and performance of critical systems.
We’re looking for someone who is self-sufficient, proactive, and comfortable rolling their sleeves up to investigate and resolve complex problems.
Key Responsibilities
* Act as the Third Line escalation point for complex infrastructure, network, and application issues.
* Troubleshoot and resolve advanced issues across Linux server environments and AWS cloud infrastructure.
* Perform deep root cause analysis to prevent recurring incidents and improve system stability.
* Support and maintain SIP-based communication platforms and VoIP technologies.
* Diagnose and resolve networking issues affecting system performance, including TCP/IP, DNS, DHCP, VLANs, and firewall configurations.
* Work closely with internal teams and external suppliers to resolve critical incidents.
* Contribute to documentation, knowledge sharing, and technical mentoring within the wider support team.
Qualifications
* Third Line Support or similar infrastructure-focused role.
* Strong experience supporting Linux-based environments.
* Hands-on experience managing and supporting AWS cloud infrastructure.
* Strong networking knowledge, including TCP/IP, DNS, DHCP, VLANs, and firewall configurations.
* Experience diagnosing complex technical issues and performing root cause analysis.
* Comfortable working in a hands-on, self-managed technical environment.
Nice to Have
* Experience working within an MSP environment.
* Experience supporting VoIP/SIP-based systems and associated technologies.
* Knowledge of Jira or similar ticketing systems.
* Experience supporting software applications.
* Experience with monitoring tools such as Grafana.
* Experience with Raspberry Pi environments.
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