Tech Customer Support Administrator II (Linux)

Experience - 1 to 3 years in L1 support or similar role
Strong knowledge of LAMP stack (Linux, Apache, MySQL, PHP)
Hands-on experience with Linux commands, shell scripting, and system troubleshooting
Familiarity with monitoring tools like Nagios
Experience in database querying and performance tuning
Ability to work in a 24x7 support environment (if required)

Sinch is pioneering the way the world communicates. More than 150,000 businesses - including Google, Uber, PayPal, Visa, Tinder, and many others - rely on Sinch's Customer Communications Cloud to power engaging customer experiences through mobile messaging, voice, and email.

Whether you need to verify users or craft omnichannel campaigns, Sinch makes it easy. Our AI-infused Super Network, APIs, and applications ensure you can connect with your customers reliably and securely, at every step of their journey.

At Sinch we Dream Big, Win Together, Keep it simple, and Make it Happen. These values are our foundation!

The Essence of the Role

We are looking for a skilled L1 Support Engineer (LAMP Stack) to join our growing technology team. In this role, you will be responsible for maintaining, troubleshooting, and optimizing applications built on the LAMP stack (Linux, Apache, MySQL, PHP).

You will work closely with L1 support, development, and infrastructure teams to ensure high availability, performance, and reliability of production systems. This role requires hands-on experience in system troubleshooting, monitoring, database queries, and infrastructure components.

You will play a critical role in incident management, root cause analysis, and continuous improvement of system stability while ensuring minimal downtime and seamless service delivery.

Key Responsibilities

Application & System Support

Provide L1 support for LAMP-based applications in production and UAT environments
Troubleshoot issues related to Linux, Apache, PHP, and MySQL
Analyze logs, identify root causes, and implement fixes or workarounds
Handle incident management, service requests, and problem tickets
Monitoring & Performance Management

Monitor system health using tools like Nagios
Proactively identify performance bottlenecks and system issues
Work on alert handling, escalation, and resolution within SLA
Database & Cache Management

Execute and optimize SQL queries in MySQL or similar databases
Basic administration and troubleshooting of Redis
Monitor database performance and ensure data integrity
API & Integration Support

Troubleshoot REST/SOAP APIs and third-party integrations
Analyze API logs and resolve connectivity or data issues
Work with developers for bug fixes and enhancements
Infrastructure & Hardware Handling

Basic understanding of load balancers, switches, and network connectivity
Manage physical and virtual servers including platforms like Proxmox VE
Handle server-level issues using tools like Integrated Lights-Out (iLO)
Coordinate with OEM for hardware-related incidents
Automation & Continuous Improvement

Create scripts for monitoring, log analysis, and automation
Document SOPs, troubleshooting guides, and RCA reports
Suggest improvements for system reliability and efficiency
Who Are You

Experience - 1 to 3 years in L1 support or similar role
Strong knowledge of LAMP stack (Linux, Apache, MySQL, PHP)
Hands-on experience with Linux commands, shell scripting, and system troubleshooting
Familiarity with monitoring tools like Nagios
Experience in database querying and performance tuning
Basic understanding of Redis caching mechanism
Knowledge of API debugging and integration support
Exposure to virtualization platforms (Proxmox or similar)
Understanding of networking basics, load balancers, and switches
Good problem-solving and analytical skills
Ability to work in a 24x7 support environment (if required)
Being You at Sinch

We're a worldwide group of people, committed to diversity. We're working to offer an increasingly inclusive workplace wherever you are. No matter who you are, you'll be able to explore new career and growth options - sharing your voice, building your path and making it happen with us.

We're proud to be an equal opportunity employer, and all qualified applicants will be considered regardless of race, colour, religion, gender identity or expression, sexual orientation, disability, age, or background.

Your Life at Sinch

Being a Sincher is all about learning and being in pursuit of new challenges. Whether working from the office, home, or in a hybrid model, you will embrace change, take ownership, and make an impact.