System Administrator at Clickatell

Job description

Why work for Clickatell:

• This is an opportunity to join an energetic, fast paced, dynamic, Sequoia* backed, “mobile always” company, offering ample growth opportunities and exciting challenges.
• Career & personal growth opportunities within Clickatell are unusually high, fuelled by a team of A-players whom drive growth.
• High performers continue to join Clickatell, resultantly our team consist almost entirely of hardworking, fun, high performing, smart people who believe in our vision and strive to make a significant difference in the digital payment space and the world they live in.
• At Clickatell we invest in career development of our people and work closely with you on making your career goals a reality.
• If are you excited about mobile technology and its potential to help change the world, this position is for you.

Purpose:

Forming part of the DevOps team, this individual is accountable for Assisting the VP: Technology in planning, organizing, controlling, and management of all of platforms and implementation of the related infrastructure strategy. We are looking for an experienced person to help us manage and develop our cloud infrastructure. This role will work closely with our technology teams to provide the support necessary to allow for rapid code deployment and high levels of system uptime

The Key responsibility areas:

• Be a thought leader with regards to Clickatell’s overall cloud adoption strategy.
• Divisional policy and process formulation, strategic planning, resource coordination and operational execution of projects and assisting in procurement process.
• Installation/configuration, operation, maintenance and monitoring of the Clickatell messaging (CMneXt) engine hardware, software and related infrastructure with a focus on high availability, stability and security.
• Technical research and development to enable continuing innovation within the infrastructure.
• Auditing and analysis of logs and other system data for troubleshooting and preliminary root cause determination, data backup management, change control management for code deployment and configuration modifications.
• Ensuring network, hardware, operating systems, software applications and any related procedures adhere to organizational values, enabling staff, customers and partners.
• Technical liaison with enterprise customers and vendors as required.
• Service, maintain, commission and support global platforms, with a view towards high availability.
• Conduct root cause investigations on all customer-affecting incidents
• Ensure that all known errors and single points of failures are highlighted, documented and feeds back into change management process.
• Ensuring all documentation and diagrams for all environments are accurate and up to date
• Perform or confirm system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs
• Repair and recover from hardware or software failures, including coordinating and communicating with impacted constituencies
• Capacity planning and reporting for all platforms
• Provides escalated technical support that requires an on-site presence
• Experience in virtualisation and cloud environments such as Amazon Web Services (AWS) or similar
• Red Hat Enterprise Linux certified (RHCE or better) or other appropriate Linux/Unix certification advantageous
• Proven experience in and with a large, ISP-type environment and infrastructure advantageous
• Monitoring and alerting experience with Open Source technologies like Icinga/Nagios, Nagvis, Logstash, Elasticsearch, Graphite and Kibana advantageous
• MySQL database administration experience advantageous
• Perl, python, ruby and/or PHP scripting experience advantageous
• Any coding experience highly advantageous (knowledge of unit-testing, basic coding principles, SOLID, DRY etc)

Proven experience in production environments of the below is advantageous:

• SAN storage solutions
• Software package building and release management with software tools such as Puppet or Ansible

Network/OS clustering

Own transport and driver’s license beneficial in the rare circumstance where emergency onsite support is required at the data centre

Experience and Education:

• Must understand and demonstrate knowledge of:
• Networking, from Ethernet to IP
• Operating systems, from bare steel to network services
• IP networks, including but not limited to working knowledge of DHCP, DNS, SMTP, FTP, HTTP
• Minimum of 5 years in a system administrative position
• Minimum of 4 years working experience with Unix or derivative
• Minimum of 4 years working experience with troubleshooting hardware and/or software
• Minimum of 3 years programming or scripting experience
• Proven experience in production environments consisting of the below mentioned technologies are required.
• Amazon Web Services Virtualization technologies such as KVM, XEN or VMWare

Personal Characteristics:

• Self-motivated with strong team spirit
• Self-starter who is excited about learning new technologies
• Ability to communicate well with both technical and non-technical staff
• Passionate about quality
• Wants to become more full-rounded IT technologist (equally strong developer and sysadmin)