Linux Engineer

We are seeking experienced Senior Engineers to join our software maintenance and support team. As a Senior Engineer, you will be responsible for providing maintenance and support for OSP 10 and Rel 7.7 software products. Your expertise in Corgi, Pacemaker for RHEL HA, Python, Git, Ansible, and Jenkins/Groovy will be crucial in ensuring the stability and reliability of our software offerings. You will work closely with a team of engineers, reviewing published vulnerabilities, and providing support to customers who are using previous versions of our software products.

MAIN TASKS AND RESPONSIBILITIES

• Provide maintenance and support for OSP 10 and Rel 7.7 software products.
• Review and address published vulnerabilities, ensuring the software remains secure and resilient.
• Collaborate with a team of engineers to troubleshoot and resolve customer issues.
• Assist in backporting critical CVEs (Common Vulnerabilities and Exposures) to maintain software security.
• Work closely with kernel developers to address software issues and optimize performance.
• Maintain a thorough understanding of the software products and their functionality.
• Collaborate with internal teams to develop and implement software patches and updates.
• Contribute to the improvement of software maintenance processes and procedures.
• Stay up to date with industry trends and advancements to provide proactive support and recommendations.
• Ensure that assigned areas are delivered within set deadlines and required quality objectives.
• Provide estimations, agree on task duration with the manager, and contribute to the project plan of the assigned area.
• Analyze the scope of alternative solutions and make decisions about area implementation based on experience and technical expertise.
• Report about area readiness/quality and raise red flags in crisis situations that are beyond his/her AOR.
• Initiate and conduct code reviews, create code standards, conventions, and guidelines.
• Collaborate with other teams.

REQUIRED EDUCATION AND EXPERIENCE

Must have:

• 5-8 years of experience as a Senior Engineer in software maintenance and support.
• Experience in administration of Red Hat Enterprise Linux/CentOS.
• Experience in Information security:
• Experience in PCI compliance process, strong understanding of procedures and requirements.
• Experience in web security patching.
• Experience in delivering vulnerability fixes to production environments.
• Experience with internal security audits, external penetration tests, and internal scans.
• Experience in firewall security configuration, network separation, per-need based access, application level access restriction.
• Experience in administration of MySQL databases: replication, clones, backups, clusters.
• Good understanding of network gear: CISCO switches/routers/load balancers, web servers (Apache and Nginx); firewalls (pfSense); VPN.
• Ability to manage, operate, and monitor Java-based stand-alone and Tomcat-based applications.
• Ability to support production-level MySQL databases.
• Good understanding and experience with Apache web server and NGINX web server.
• Experience in working and deploying to AWS cloud environments such as EC2, Elastic Beanstalk, Elastic Cache, S3, CloudFront, WAF, RDS.
• Good scripting abilities (bash, Perl) and usage of automation tools like Puppet and Chef.
• Ability to plan, implement, test, and troubleshoot system software.
• Strong communication (oral & written) and interpersonal skills.

Would be a plus:

• Experience with containerization and virtualization technologies such as Docker, Kubernetes, and VMware is a plus.