Senior System Administrator

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Full Time Greenwood Village, Colorado, Denver, Colorado Posted 06/22/2022 Business unit: Corporate - CCL - CORPL Areas of interest: Information Technology, Systems Administration Requisition Number: 315176BR IDB349
JOB SUMMARY
Deploy the release of new technologies as well as design, install, configure, maintain and perform system integration testing of PC/server operating systems, related utilities and hardware. Administer applications supporting all Charter divisions. The role will primarily include platform support for Atlassian tools but may also include other collaboration related technologies.


MAJOR DUTIES AND RESPONSIBILITIES
Actively and consistently supports all efforts to simplify and enhance the customer experience
Diagnose hardware and software problems and replaces defective components.
• Perform data backups and disaster recovery operations.
• Responsible for troubleshooting server problems as reported by users.
• Research, evaluate and recommend software and hardware products.
• Support Web access and electronic messaging services and maintains a secure systems environment.
• Provide new hardware specifications to users based on application needs and anticipated growth; installs new servers and maintains the server infrastructure.
• Define procedures for monitoring and evaluates, diagnoses and establishes work plans to resolve system issues.
• Perform troubleshooting for complex hardware, software and network problems.
• Works on multiple projects as a project team member.
• Support media management through internal methods and procedures or through offsite storage and retrieval services.
• Develop and promote standard operating procedures.
• Monitor all systems and servers for uptime and other critical issues.
• Provide outage support to include working directly with Atlassian, add-on vendors, and the Atlassian Tools Team as needed.
• Review server logs and obtain any troubleshooting data to assist in problem resolution.
• Install/Upgrade and test new software versions, MySQL, bug fixes, and patches.
• Identify differing elements in configuration files between versions, and the associated implications.
• Analyze system resource utilization reports to evaluate likely causes for observed performance degradation.
• Attend all Atlassian Technical Account Manager (TAM) calls and provide updates, offer solutions, etc.
• Attend all Change Advisory Board (CAB) calls and represent the Atlassian Team for all changes scheduled.
• Manage service accounts and SSL certificates.
• Identify and resolve Linux operating system issues.
• Create and maintain shell scripts.
• Install and configure Python 3.
• Research/Coordinate network change tickets (ex. Firewall, DNS, F5 load balancers, and other routing changes).
• Coordinate hardware changes (ex. new servers, adding memory/CPU/disk, etc.).
• Cleanup logs in Jira and Confluence as needed.
• Review/Confirm backups are in place and functional.
• Analyze the growth rate for an instance and determine an appropriate scaling plan.
• Determine the impacts of add-ons to the system infrastructure.


REQUIRED QUALIFICATIONS
Required Skills/Abilities and Knowledge

Ability to read, write, speak and understand English
• Must be proficient in MS Office
• Demonstrated communication skills and the ability to work well with all levels of business users in a professional manner
• Increased knowledge and ability to make decisions around service ticket requests utilizing software such as Cherwell or Jira Support Desk
• Intermediate level knowledge of system administration tasks and ability to perform more advanced research and recommend approaches for resolution
PREFERRED QUALIFICATIONS
• 3 years of Linux administration
• 2 years of experience in Atlassian Tools administration (Jira, Confluence, Bitbucket, Crowd, TestRail)
• Splunk monitoring and configurations
• MySQL database experience
• 2 years with Python 3 or similar scripting language
• 2 years with NodeJs
• 2 years with Splunk
• ACP-500 Atlassian System Administrator Certification
• Linux Foundation Certified System Administrator (LFCS) Certification
• PCPP-32-1 or PCPP-32-2 – Certified Professional in Python Programming Certification


Required Education
BA/BS in Information Technology, Computer Science, or related field or equivalent work experience


Required Related Work Experience and Number of Years
IT work experience - 4+
System related experience - 2+


WORKING CONDITIONS
Office environment


PHYSICAL AND MENTAL REQUIREMENTS
Physical Requirements
Ability to lift 40 lbs
Ability to sit and stand for extended periods of time
Ability to perform after hours tasks
IDB349 315176 315176BR

Here, employees don’t just have jobs, they build careers. That’s why we believe in offering a comprehensive pay and benefits package that rewards employees for their contributions to our success, supports all aspects of their well-being, and delivers real value at every stage of life.

The pay for this position has a salary range of $76,800.00 to $135,800.00. The actual salary offer will carefully consider a wide range of factors, including your skills, qualifications, experience and location. Also, certain positions are eligible for additional forms of compensation such as bonuses.

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