Job Openings at Clickatell

Purpose:

• As Infrastructure Engineer: DevOps you will be accountable for assisting the Team Lead 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.

Requirements
The role of our Champion:

• Be a thought leader with regards to Clickatell’s overall cloud adoption strategy.
• Lead architectural and design discussions around current and future system implementations, including but not limited to monitoring/internal tooling/AWS environment design requirements
• Be a mentor and leader within the team, upskilling and guiding other team members in the various aspects of software development
• 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

ITIL - incident and problem management

• 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.
• Knowledge-sharing and Documentation

Ensuring all documentation and diagrams for all environments are accurate and up to date
Operations and Support

• 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

The capabilities of our Champion:

• Experience in virtualisation and cloud environments such as Amazon Web Services (AWS) or similar essential.
• Deploy automation experience essential (Jenkins/Gitlab/Puppet etc)
• Docker container experience essential (Kubernetes/Docker Swarm)
• Good understanding and ability in Bash scripting.
• Basic understanding of the software development lifecycle.
• Linux/Unix certification advantageous.
• Perl, python, ruby and/or PHP scripting experience (or similar) advantageous.
• Proven experience in and with a large, ISP-type environments and infrastructure advantageous.
• Monitoring and alerting experience with Open Source technologies like Icinga/Nagios, Nagvis, Logstash, Elasticsearch, Graphite and Kibana advantageous
• Own transport and driver’s license beneficial in the rare circumstance where emergency onsite support is required at the data centre

Our Champion's journey thus far:

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 3 years programming or scripting experience
• Minimum of 3 years working experience with Unix or derivative
• Minimum of 3 years working experience with troubleshooting hardware and/or software
• Minimum of 2 years automation experience (playing a lead role in at least 1 automation project)
• Amazon Web Services Virtualization technologies and environments

Benefits
Why you will love being here:

• Competitive salary paid monthly
• Medical aid contributions
• Quarterly performance incentives
• Pension fund contribution
• Group life cover
• Communication allowances
• Undercover parking
• Half day off on your birthday
• 5 “personal” days leave a year, over and above your normal annual leave.
• Staff events, daily popcorn, snacks, cool offices. All the things that make Clickatell a fantastic place to work.

go to method of application »

Purpose:

• The Senior Infrastructure Engineer is accountable for assisting the Team Lead: Infrastructure 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.

Requirements
The Role of our Champion:

• 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
• Lead the Systems Administration Community of Practices (COP) where a forum is created to share knowledge and promote learning.

ITIL - incident and problem management

• 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.
• Knowledge-sharing and Documentation

Ensuring all documentation and diagrams for all environments are accurate and up to date
Operations and Support

• 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

The Capabilities of our Champion:

• Significant experience in virtualisation and cloud environments such as Amazon Web Services (AWS), VMware or similar
• Significant experience in Linux operating system environments
• Experience with container orchestration services, especially Kubernetes
• Experience administering and deploying with CI/CD tools such as GitLab, Ansible, or Terraform
• Familiarity with BASH, Python, Perl and/or PHP scripting
• Basic understanding of the software development lifecycle
• Proven experience of the below is advantageous:
•  Experience in large, ISP-type environments and infrastructure (Traditional/Bare Metal & Cloud)
•  Logging solutions, especially Elastic Stack (Elasticsearch, Logstash, Kibana)
•  Monitoring and Alerting solutions, such as Icinga/Nagios, Grafana or Graphite
•  Application layer protocols, including but not limited to working knowledge of DHCP, DNS, SMTP, FTP and HTTP
•  Network design and troubleshooting, firewalls, routers and switches

Own transport and driver’s license beneficial in the rare circumstance where emergency onsite support is required at the data centre
Our Champion's Journey so far:

Must understand and demonstrate knowledge of:

• Minimum of 5 years in a system administrative position
• Minimum of 4 years working experience with Linux OSes, troubleshooting hardware and/or software
• Minimum of 3 years programming or scripting experience
• Minimum of 2 years automation experience
• AWS Solutions Architect and/or SysOps Administrator (Associate or better) certification advantageous
• Red Hat Enterprise Linux certified (RHCE or better) or other appropriate Linux/Unix certification advantageous

Benefits
Why you will love being here:

• Competitive salary paid monthly
• Medical aid contributions
• Quarterly performance incentives
• Pension fund contribution
• Group life cover
• Communication allowances
• Undercover parking
• Half day off on your birthday
• 5 “personal” days leave a year, over and above your normal annual leave
• Staff events, daily popcorn, snacks, cool offices. All the things that make Clickatell a fantastic place to work

go to method of application »

Purpose:

• The primary objective of this role is to create test scenarios by utilizing performance and load testing methods and tools to test Clickatell's products and integrations under various parameters to ensure their long-term viability. You should have sufficient knowledge and experience to create automated performance test suites and execute these test packs using appropriate tools and simulators.

The role of our Champion:

• Design Performance Test Scripts for enterprise applications based on Requirements
• Participate in Performance bottleneck analysis and fixes
• Perform Performance Engineering & Performance Improvement activities
• Run and manage performance test campaigns
• Communicate progress and issues through regular Status Reports
• Collaborate with Business/ Application teams to improve system performance
• Assume primary responsibility as Performance Testing SPOC

Requirements
The capabilities of our Champion:

What we are looking for

• Expertise in Test Planning, Test Estimation, Test Strategy, Workload Design, Test Cases Design, Test Environment Setup, Test Data Setup, Defect Management & Configuration Management.
• Expertise in Performance Testing tools using JMeter / Performance centre.
• Execute Benchmark, load, stress, endurance, and other non-functional tests. Monitor application logs to determine system behaviour. Address all technical issues; facilitate the resolution and necessarily follow up with Development and other cross-functional departments.
• Analyse the CPU Utilization, Memory usage, Network usage, Garbage Collection and DB Parameters and DB Reports to verify the performance of the applications.
• Generate performance graphs, session reports and other related documentation required for validation and analysis.
• Publish results and receive appropriate signoff.
• Prepare detail status reports, and monitoring of all defects and issues.
• Identifying memory leakage, connection issues & Bottleneck problem in the application.
• Strong problem-solving skills and very good time management skills.
• Having prior practical experience in the following would be advantageous.
• Gitlab or other source control management tools
• Performance Testing of Chat-Commerce Applications
• Performance Testing of Web-Sockets
• exposure to AWS (Amazon Web Services) or other cloud-based infrastructures
• Working with geographically distributed teams
• Following personality traits are desired
• Assertiveness and the ability to convince others of right course of action and to explain a point of view convincingly
• Good interpersonal skills, verbal communication skills and able to communicate clearly
• Ability to write clear and concise documents, etc.
• Identify and effectively respond to the diverse needs of development department’s customers
• Able to work reliably and responsibly with geographically dispersed colleagues to achieve development and organisational goals as a member of a team
• Able to work alone, and to achieve development and organisational goals reliably and responsibly
• Foresight, analysis and logic, systematic and orderly planning, attention to detail

Our Champion's journey thus far: ·

• Minimum 5-7 Years of Relevant Experience in Performance Testing. ·
• Diploma in Information Technology, BTech (IT) or Computer Science Degree a significant advantage. ·
• ISEB/ISTQB certification in Software Performance Testing an advantage ·
• Experience in the Chat commerce or finance industry an advantage

Benefits
Why you will love being here:

• Competitive salary paid monthly
• Health care benefit
• Quarterly performance incentives
• Communication allowances
• Half day off on your birthday
• 5 “personal” days leave a year, over and above your normal annual leave

Clickatell is an equal opportunity employer and all suitable applicants will be considered for employment. Preference will however be given to candidates who will enhance the diversity of the team and support the achievement of employment equity.

To all Recruitment Agencies, we thank you for your willingness to assist us with this vacancy. As a company we have our own Technical Talent Specialists that has deep knowledge of what our company values in every employee and therefore are able to headhunt themselves. Furthermore we do not accept unsolicited CV’s, terms & conditions associated with the use of such CVs will be considered null and void.