Sr. Systems Administrator

Location: Highlands Ranch, CO Description: Our client is currently seeking a Sr. Systems Administrator. This Sr. Systems Engineer position is within the compute operations team. This position requires applying root cause operation break fixes and other proactive maintenance activities to keep the services up and running. This is a professional level position and requires strong execution and analytical abilities. This role works independently and receives minimal guidance. This role must have strong communication and analytical skills, and prior experience in driving process improvements. This role is expected to participate in devising the technology strategy and operating standards for our client's Compute infrastructure. This position is expected to interact with Systems, Database, Engineering, Asset Management, Product Development, Operations, Audit and Risk, and various groups within Technology. This role must have strong communication and analytical skills.

• Experience in deploying, managing and maintaining large enterprise virtualization technologies including Cloud, KVM, Docker containers, OpenStack (HOS), OpenShift
• Responsible for the ongoing maintenance, security, and availability of Systems infrastructure based on business requirements and adhering to tight operations, security, and procedural models
• Operate in complex, highly-secure, highly-available, operations-centric datacenter environments and interact with other technology domain experts as required
• Working knowledge of monitoring and automation tools: Ansible, Netcool, Splunk, BMC Patrol
• Security Remediation process (vulnerability assessment and patch management)
• Respond to and resolve incident and problem tickets
• Document and thoroughly understand the application architecture, system configuration across platforms and interface with various systems and use this knowledge effectively to resolve issues
• Work closely with customer support team to communicate the root cause of the outage, duration and recommendations or steps to resolve issues
• Demonstrate a high level of technical expertise to support complex Unix Systems across all tiers, under minimal supervision
• Exposure converged hardware including Dell, Cisco, HP and EMC, Hitachi HDS
• Proficient in troubleshooting storage related issues as it relates to EMC/Hitachi HDS storage arrays, extending to the basic support knowledge of Brocade storage switch technologies
• Must have Strong Knowledge & experience in system monitoring techniques and tools supporting unattended operations
• Responsible for partnering with the Platform, Engineering and Delivery Teams to deliver seamless infrastructure support for all Visa business lines
• Responsible for adherence of established ITIL practice
• Ability to operate in complex, highly-secure, and highly-available, operations environments and interact with the technology domain experts required to maintain those environments
• Position will require shift based work hours
• Provide automation solutions of manual tasks performed by infrastructure support
• Will work closely with areas across Visa including, Operations, Engineering, Service Product office, and Global Open System Development Lines
• The candidate will be heavily involved in ensuring team meets all SLA's and team objectives
• Managing large heterogeneous infrastructure involving primarily Linux, and exposure to AIX
• Lead and participate in the determination of root causes for service failure and support escalation, using knowledge and experience of VMWare ESX vSphere, Containers, HADOOP, Blade technology (Cisco/HP/Dell), IBM VIO, Linux & AIX, and GPFS

• 7 or more years of work experience with a Bachelor's Degree or 4 or more years of relevant experience with an Advanced Degree (e.g. Masters, MBA, JD, MD) or up to 3 years of relevant experience with a PhD; Degree in Computer Science/Engineering or related field is preferred
• Strength in scripting against UNIX/Linux/VMWare/Docker: Shell, Python, Perl & Power CLI. BAO automation experience is highly recommended