Russian hacker, Vladimir Leonidovitch Levin, attempted the biggest bank heist the world had ever seen via dial-up internet in 1994, Zia Hayat, Callsign CEO and founder, was hooked - armchair fraud became a real possibility. From this moment, Zia knew he wanted to play a part in stopping the bad guys and securing the internet for all. Founded In 2012, Callsign\'s mission has been to make Digital Identity simple and secure for everyone and everything. In that time, we\'ve grown to over 200 employees, opened offices in Singapore and Abu Dhabi, been recognised as a WEF Global Innovator and our technology is being used by many of the world\'s leading financial institutions to keep millions of consumers safe. But we aren\'t stopping here. The identity revolution has only just begun, and we are looking to hire the brightest and inquisitive minds to help us make every web, mobile and physical Interaction seamless and secure. If this sounds like you, lets chat. Responsibilities:
Maintenance and building of virtual appliances images.
Development of middleware for virtual appliances.
Extending middleware features, testing and removal of security vulnerabilities from the code
Providing support for technical releases through established pipelines and build processes.
Fixing bugs in deployed solutions
Providing technical support to clients for high severity issues for virtual appliances related issues.
Maintenance of Integration testing infrastructure
Collaborating with other engineering teams on related projects.
Requirements
Experience in Java, JavaScript, Typescript.
Basic knowledge of Node JS and Angular JS is desirable.
Excellent coding skills and basic understanding of design patterns, OOP and data structures.
Comfortable writing scripts with python, go and bash.
Experienced in relevant tools such as GIT, Maven, Spring, SonarQube
Good understanding of computer networking and familiar with the use of relevant tools and concepts such as proxies, load balancers, iptables, tcpdump, DNS, TLS, MTLS and HSM
Knowledge of Authentication and Authorization protocols such as Kerberos, RADIUS and SNMP is a plus.
Familiarity with cryptography and PKI
Good knowledge of Linux and experience working with Redhat/CentOS and Debian
Experience with Ansible and HashiCorp tools especially Packer and Vagrant.
Experience with Docker and Kubernetes
Knowledge of CDN, DDOS security tools and Object Stores.
Basic knowledge of cloud providers such as AWS, Azure, GCP
Experience with CI and CD.
Knowledge of Grafana and Prometheus for alerting.
Knowledge of automation frameworks such as selenium is a plus but not mandatory.
Good communication and team working skills are essential.
Ideal Candidate Should:
Have ability to understand complex systems.
Work independently, and at the same time be able to raise/flag/elaborate on any concerns promptly.
Highly organized and methodical. Capable of understanding the high-level picture and at the same time capable of drilling down to the specifics, providing meaningful information from his analysis.
Imperative that the candidate can understand inputs, key components and data collection points, and monitoring.
Benefits Market Competitive
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