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Systems Engineer - Senior
Ref No.: 18-12764
Location: Highlands Ranch, Colorado
5+ years of experience) As a Sr. Systems Engineer, you will be part of our TechOps, SysOps team responsible for designing, building and operating our development, test, deployment and production infrastructure to meet the substantial growth needs of our business. You will be part of a talented team essential for delivering and supporting a fast, reliable, secure and highly available infrastructure for our mission critical hosted ecosystem. The efficiency and stability of our infrastructure is crucial to maintaining the outstanding performance of our SaaS platform.

We are actively searching for innovative and enthusiastic Sr. Systems Engineers recognized as technical experts to immediately contribute to our standards, processes, automation and operational excellence initiatives.

Responsibilities
• Build out innovative, secure, highly available and supportable infrastructure, middleware and application software (IaaS, PaaS, SaaS)
• Participate and influence the design and implementation of the next-gen infrastructure architecture, monitoring tools and automation strategies
• Passionate about automation, smart monitoring, intelligent alerting and streamlining system provisioning
• Strong attention to detail and quality
• Focus on predicting and preventing failures
• Strong analytical and troubleshooting skills with previous experience tackling and solving complex problems
• Solid experience and fluency in software development and/or systems engineering practices and frameworks
• Considerable depth in networking, security and Linux technologies
• Ability to provide mentoring of junior systems engineers and systems analyst
Minimum Qualifications
• RHCE certification
• 5+ years of Linux-based systems engineering experience in one or more high-volume, highly available transaction e-commerce environments
• 5+ years of experience analyzing and troubleshooting large-scale, distributed production systems
• 5+ years of experience with mission critical production ecosystems
• 5+ years of demonstrated expertise specifying, design and implementing system health, performance monitoring and infrastructure management tools
• 3+ years of demonstrated experience with capacity management, event management, service level management, incident management, release management, change management and/or root cause analysis practices and supported tooling
• 3+ years of demonstrated experience with enterprise monitoring systems and SIEM tools (e.g., Nagios, Graphite, Cacti, openNMS, Observium, splunk, McAfee, LogRhythm)
• High proficiency in Linux operating systems concepts, memory management, TCP/IP networking, file systems, RAID, NAS, SAN, process scheduling, virtualization and clustering
• Experience with Java, JavaScript, Perl, PHP, Python, Shell, SQL, XML
• Experience with Linux, J2EE Application Servers, Servlet Engines, ESB, Relational DBs, Big Data, Cloud Computing, JMX, JMS including Oracle, MySQL, Apache, JBoss, Glassfish, Tomcat, Mule ESB, Spring, Spring Batch, Puppet
• Knowledge and proven familiarity with systems engineering lifecycle (SELC) best practices, software development methodologies (Agile, Scrum, RUP), ITIL, SysOps and DevOps practices and Professional Services
• Ability to handle periodic on-call duty as well as out-of -band requests
Preferred Qualifications
• 5+ years of relevant work experience
• Payment industry domain expertise and knowledge of Payment Card Industry Data Security Standards (PCI DSS)
• Considerable depth and experience with high-volume, high-availability transactional environments and big data services
• Small team leadership and mentoring
• Experience designing and implementing with infrastructure, security and cloud architectures