Project Overview
- Role: Technical Support Engineer (Application)
- Company: Squire Technologies
- Industry: Telecom Signalling Solutions
- Location: England, United Kingdom
- Duration: Mar 2023 – Dec 2024
- Platform: Linux, Virtualized Telecom Systems
Telecom Infrastructure & Application Support Engineering
At Squire Technologies, I worked as a Technical Support Engineer supporting large-scale telecom signalling platforms used by global operators. My role focused on ensuring high availability, performance optimization, automation, and rapid incident resolution across mission-critical systems.
Key Responsibilities & Achievements
- Improved support case resolution time by 25% through advanced troubleshooting and root-cause analysis.
- Provided expert-level support for Red Hat, CentOS, Rocky Linux based telecom platforms.
- Ensured high availability and system stability for carrier-grade signalling systems.
- Collaborated with cross-functional engineering teams to improve system reliability and alerting processes.
Automation & Optimization
- Developed Python and Bash automation scripts for log analysis, health checks, backups, MySQL maintenance, and custom audits.
- Automated repetitive operational tasks, reducing manual workload and minimizing downtime.
- Created automation to replicate customer production network configurations in lab environments for faster testing and issue resolution.
- Implemented udev rules for persistent network interface naming, reducing reboot-related outages.
Telecom & Networking Expertise
- Supported telecom products including SBC, DRA, GMSC, MGC, FPG, STP/SG, SMSC, Soft-switches.
- Performed deep protocol-level troubleshooting using Wireshark and tcpdump.
- Conducted SIP, RTP, Diameter, SS7 (SIGTRAN), SCTP multihoming analysis for VoIP and signalling issues.
- Resolved complex network bonding, DNS, and routing issues in production environments.
System Stability & Lifecycle Management
- Diagnosed and resolved system upgrade issues including kernel panics, dependency conflicts, and service failures.
- Applied LVM snapshots and validated changes in staging environments before production rollout.
- Maintained EOL CentOS 7 systems by configuring alternative repositories and restoring package access.
- Configured BIND9 as a forward DNS server to resolve DNS enumeration issues and improve network reliability.
Impact
This role strengthened my expertise in telecom infrastructure, Linux systems, automation, and carrier-grade troubleshooting, while reinforcing best practices in availability, scalability, and operational excellence within mission-critical environments.