Linux SME - TechDigital

The Senior Linux System Engineer (SE) is responsible for the design, implementation, engineering and administration of Linux computing systems hardware, software and storage infrastructure supporting a 24x7 mission-critical environment. These systems are core components of IT infrastructure supporting a large e-commerce website, plant operations, delivery logistics and general business services. The position provides senior-level system administration support for our E-Commerce & Logistics website and associated applications and systems

JOB DUTIES:

• Architecting systems infrastructure solutions to deliver business applications and contenting to customers at low latency and high throughput.
• Designing, implementing and supporting Linux computing systems hardware and software infrastructure using the following service models: on premise, co-location data center facility, Application Service Provider (ASP), managed hosted, SaaS cloud, PaaS cloud, IaaS cloud and hybrid.
• Providing system architecture, implementation, system administration, troubleshooting and operational supporting for an E-Commerce & Logistics website environment
• Proactively improving engineering, implementation and maintenance standards for systems supporting e-Commerce transactions, manufacturing operations and corporate processes.
• Collaborating with peers to formalize systems engineering, application support and operation processes and procedures based on industry standards (ITL, ISO, COBIT) and best practices.
• Investigating and resolving system performance bottlenecks and platform instability
• Providing continuous system and storage capacity management.
• Managing system deployment lifecycle and helping enforce Change Management Policies.
• Engineering and implementing fault tolerant, multi-site and distributed computing platform to support business growth.
• Developing a framework to provide performance baseline and improvement for critical business applications.
• Continuously studying the overall information and computing needs of the company and leverage technology to provide cost effective solutions.
• Elaborating strategy to deliver business value by using evolving infrastructure technology: cloud technology (IaaS, SaaS, PaaS, and others), Managed Service Provider, hybrid, etc.
• Assisting in developing, implementing, and enforcing systems security policies and procedures.
• Collaborating with IT Security Team to implement and regularly test systems security controls.
• Assisting with improving and enforcing incident management policies and procedures.
• Assisting with managing system related compliance tasks (PCI).
• Providing third level escalation for operation problems and incidents.
• Resolving issues within prescribed SLA's and adhering to incident management procedures.
• Collaborating with peers on vendor and technology product selection process.
• Performing Linux virtualization implementation, supporting and upgrades.
• Working with application development team and internal clients on creating systems requirements, projection, and growth.
• Supporting enterprise data protection backup/recovery system.
• Acting as engineering liaison between Systems, Application, DBA, QA, Network, and other groups.
• Monitoring technology changes, advancements trends and innovations.
• Project managing change to systems and system deployment to production.
• Managing projects using Workfront portfolio, program, and project management cloud service.
• Coordinating and executing changes thru the change control policy and process.
• Part of On-Call support rotation team with after-hours and weekend balanced work as required.
• Mentoring less experienced team members.

• MS in Computer Science, Information Systems, or related, or foreign equivalent, plus 8 years of related systems administration/engineering experience, or BS in Computer Science, Information Systems, or related or foreign equivalent, plus Minimum 10 years of related systems administration/engineering experience.

• Red Hat Certified Engineer (RHCE) or Oracle Linux certification preferred,
• DevOps skills with Ansible (preferred) or Puppet
• Strong Scripting Skills (Bash/Shell script or Python)
• VMware Certified Professional preferred, Cisco Data Center (UCS) certification, preferred.
• Microsoft Azure Architect Preferred
• Red Hat 5-7 and Oracle Linux 5-7 – (Min 8 yrs)
• Virtualization technology: VMware (vCenter, vSphere 4-6 and ESX 4-6), (Min 4 yrs)
• Linux file systems and storage architecture
• Strong knowledge of TCP/IP, HTML, HTTP, SSL, SSH, SFTP, DNS, Apache, Tomcat and LDAP
• Understanding of database and web application concept and architecture: Oracle, Postgress
• Familiarity with database connection methodologies: ODBC and JDBC, understanding of system and storage design appropriate to support oracle database and Cisco UCS
• IBM v3700 family and Client 3Par 7400, Deep understanding of storage and SAN technology: Virtual disk, LUNs, snapshot, replication and thin provisioning

• SolarWinds NPM, SAM
• Splunk, ELK, Netwitness
• Alert Logic log manager, Rapid 7 threat manager
• Foreman/Katello, Red Hat Satellite
• Unitrends Backup
• Manhattan associates Warehouse management application
• Akamai Ion/Kona/DNS
• Citrix Client's (Netscalar)
• Storage Systems
• Cisco Products- UCS , MDS
• Tomcat, ActiveMQ
• SAS data warehouse