Senior System Analyst

Work model: hybrid, Warsaw

What we do:

As Top Employer, we are dedicated to helping the world's leading companies build stronger businesses — helping them go from doing digital to being digital.

With the capacity to support various clients, we offer a world of opportunities for both professionals and graduates. You can expect five-star training, a chance to realize your career goals, and a range of benefits. Be Cognizant!

About the role:

You will be a part of a team which is responsible for provision of 2nd Level technical application support for a range of Unix-based systems. These systems are mainly Web and API applications developed in a variety of open-source technologies including Unix, Java, Hadoop, Postgres, NoSQL etc.

In this role you will be responsible for supporting our production transaction processing systems. These systems are truly the backbone of our business and process millions of transactions daily across the globe including some of the most prestigious organizations.

• Responsible for supporting and ensuring the stability of the applications.
• Change, Incident and Problem management according to project guidelines.
• Participate in change planning, deployment and review.
• Perform proactive maintenance activities, engage in automation activities, and perform root cause analysis and remediation.
• Write and maintain scripts to monitor system functionality and performance.
• Write scripts to automate multiple manual tasks.
• Monitor incident queues, troubleshoot issues and lead conference calls with other groups to mitigate impacts.
• Apply code and operation break fixes and other proactive maintenance activities
• Will evaluate the issues reported by our clients in order to provide ongoing solutions.
• Participate in on call rotation as assigned by manager.
• Facilitate and attend meetings for Business and Information Technology initiatives.
• Write and maintain programs and scripts to achieve Information Technology objectives.
• Provide extended support if needed and work with offshore teams to facilitate around the clock support for applications and services.

• Proficiency with Unix commands/scripting, and have exposed to Web/API a SME in at least one of the API technologies.
• Experience in supporting Java applications that run in Apache Tomcat, JWS, or similar containers.
• Ability to work fluently on container technologies such as Docker and Kubernetes.
• Solid working experience in an application support function working in 24*7 environment, driving high availability on active/active environments.
• Excellent analytical and problem solving skills with a strong automation mind-set.
• Good ITIL knowledge in Change Requests, Incidents, Problem Managements and worked on any Ticketing systems such as ServiceNow, Remedy or any equivalent.
• Experience planning, deploying and reviewing changes for critical applications.
• Experience with log analysis tools such as Splunk or equivalent.
• Experience troubleshooting and resolving incidents and conducting Root Cause Analysis.
• Experience supporting distributed systems or microservices.
• Experience with web services such as SOAP, REST or equivalent and web service testing tools such as SoapUI, Postman or equivalent.
• Unix operating system commands (to a high level).
• Hands-On Experience with UNIX/Linux operating system and BASH scripting.
• Experience with relational databases such as Oracle, PostGreS or equivalent.
• Excellent ability to communicate effectively with technical and non-technical stakeholders.
• Knowledge of networking concepts and protocols such as DNS, HTTP, TCP/IP, PKI, SSL, TLS, Digital Certificates, Security Scanning or equivalent.
• Prior working experience with Card and transaction Domain Knowledge.
• Python, Perl Scripting Knowledge.
• BigData Technologies like Hadoop, Kafka, HIVE.
• Bachelor's degree in Math, Science, Engineering, or Computer Science, Information Systems or related field.

• Competitive salary with cafeteria benefits and bonuses,
• Opportunity to be part of a rapidly expanding global organization,
• Pleasant and inspiring working atmosphere,
• Professional development and clear career path,
• Training & development opportunities,
• Private healthcare and additional life insurance,
• Employee volunteering programs and opportunities,
• Inclusion and diversity in practice,
• Employee referral program in place.