Senior Systems Administrator

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Written by AI from the job title and company, not by MCI, so some details may not match this job. The employer's own page has the real description.

Job Overview

The Senior Systems Administrator at MCI will be responsible for ensuring the stability and integrity of in-house voice, data, and video networks. This expert will play a pivotal role in managing the integrated technology infrastructure of the organization, including configuration, maintenance, and support of servers and associated hardware. The ideal candidate will collaborate with other IT team members to optimize performance, implement updates, and enhance security measures to safeguard organizational data while also providing advanced technical support for internal users.

Job Responsibilities

• Manage and monitor all installed systems and infrastructure for availability, performance, and security.
• Perform regular system maintenance and upgrades to ensure system reliability and security.
• Develop and implement server and network security procedures, including firewalls and intrusion detection systems.
• Ensure high availability of systems and infrastructure by implementing necessary backup and redundancy processes.
• Provide expert-level support for escalated troubleshooting of system issues across various platforms.
• Collaborate with IT management to develop policies and procedures that enhance system performance and reliability.
• Document all system configurations, changes, and maintenance processes in accordance with best practices.
• Train and mentor junior IT staff to elevate departmental skill and knowledge levels.
• Evaluate and recommend new technologies and tools to improve IT infrastructure.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Minimum of 5 years of experience in systems administration with a focus on network infrastructure.
• Strong proficiency with Windows and Linux server environments.
• Experience with virtualization technologies, such as VMware or Hyper-V.
• Comprehensive knowledge of network protocols (TCP/IP, DNS, DHCP, etc.)
• Familiarity with cloud services and infrastructure, particularly AWS or Azure.
• Strong problem-solving and analytical skills.
• Relevant professional certifications (e.g., Microsoft Certified Systems Administrator, Cisco CCNA) are preferred.

Technologies & Tools

The Senior Systems Administrator will utilize a variety of technologies and tools to perform their duties. Key technologies include server operating systems such as Windows Server and various Linux distributions, VMware and Hyper-V for virtualization, monitoring tools like Nagios or Zabbix, as well as network devices including routers, switches, and firewalls. Familiarity with scripting languages (e.g., PowerShell, Bash) will also be beneficial in automating tasks and improving system efficiency.

Ideal Candidates

The ideal candidates for this position are proactive and detail-oriented professionals who possess a strong technical background and the ability to adapt to rapidly changing environments. They demonstrate excellent communication skills, along with a collaborative mindset that fosters teamwork within the IT department. Additionally, they should exhibit a strong commitment to security and best practices while also being able to mentor others. A genuine interest in emerging technologies and innovations is essential, as is the capability to deliver solutions that enhance organizational performance.