System Administrator

We are seeking an experienced Systems Administrator to support, maintain, and optimize enterprise IT infrastructure for a Transportation Operations Center. The ideal candidate will have hands-on experience administering Red Hat Enterprise Linux (RHEL) and Windows Server environments, managing VMware virtualization, Active Directory, backup and recovery solutions, and end-user computing systems., * Install, configure, deploy, upgrade, and maintain Red Hat Enterprise Linux (RHEL) and Windows Server operating systems.

• Provision new servers and rebuild existing systems, configuring hardware, storage, directories, services, peripherals, and system settings according to established standards.
• Administer VMware virtualization environments, including virtual machine provisioning, configuration, monitoring, and troubleshooting.
• Manage Microsoft Active Directory, including user accounts, groups, permissions, and access controls.
• Configure, deploy, and troubleshoot desktop computers, laptops, servers, and associated peripherals.
• Provide Tier 1, Tier 2, and Tier 3 technical support for hardware, software, operating systems, applications, and connectivity issues.
• Monitor server health, system resources, application services, event logs, and critical processes to identify and resolve performance issues.
• Perform routine system maintenance, operating system patching, upgrades, performance tuning, and resource optimization.
• Execute and monitor backup operations, verify backup integrity, and perform data restoration and recovery when required.
• Troubleshoot hardware failures, operating system errors, network connectivity issues, and service interruptions.
• Review system and security logs to identify anomalies, investigate suspicious activity, and support cybersecurity incident response and threat mitigation.
• Assist with vulnerability remediation, security control improvements, access management, and compliance with organizational policies and standards.
• Support infrastructure applications, including GIS (Geographic Information Systems) and asset management systems, as required.
• Provide technical support for video management systems and audio-visual equipment, as applicable.
• Maintain accurate infrastructure inventories, system configurations, architecture diagrams, maintenance records, and operational documentation.
• Document system changes, troubleshooting activities, incident resolutions, and maintenance procedures in accordance with change management processes.
• Coordinate with technical teams, vendors, and end users to resolve incidents and minimize service disruptions.
• Perform capacity planning, hardware upgrades, and ongoing infrastructure improvements to ensure system availability, reliability, and performance.
• Manage multiple priorities and support requests while meeting service-level expectations in a mission-critical operational environment.

The successful candidate will be responsible for server provisioning, system monitoring, infrastructure troubleshooting, cybersecurity support, and technical assistance across Tier 1-3 support levels. This role requires strong problem-solving skills, excellent customer service, effective communication, and the ability to work independently and collaboratively in a mission-critical environment., * 3-5 years of experience in systems administration, IT infrastructure support, or a related technical role.

• Hands-on experience installing, configuring, deploying, and maintaining Red Hat Linux and Windows Server operating systems.
• Experience supporting desktop, laptop, server, and related IT hardware.
• Experience administering Microsoft Active Directory and managing user access and permissions.
• Practical experience with VMware virtualization technologies.
• Experience with backup and recovery operations, system monitoring, and troubleshooting.
• Experience providing help desk and technical support across multiple support tiers.
• Strong customer service, communication, analytical, and problem-solving skills.
• Ability to work independently and collaboratively while managing competing priorities.
• Familiarity with cybersecurity best practices, system patching, access controls, and infrastructure documentation., * Experience supporting cybersecurity operations, threat hunting, vulnerability remediation, and incident response.
• Hands-on experience with network equipment and troubleshooting network connectivity.
• Experience supporting video management systems and surveillance infrastructure.
• Familiarity with GIS infrastructure applications and asset management systems.
• Experience providing audio-visual and conference room technology support.
• Microsoft, Red Hat, VMware, CompTIA, or other relevant IT certifications.