IT Infrastructure Manager

MetroSys, Inc.; Los Angeles (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

MetroSys, Inc. is seeking an experienced IT Infrastructure Manager to support a large, highly available technology environment in the Los Angeles area.

This role provides technical and operational leadership across IT infrastructure, coordinating with vendors and internal teams to maintain uptime and reliability. You will manage Windows and Linux servers, drive capacity planning, and lead critical incident response in a 24/7 environment, ensuring security, continuity, and alignment with business

Qualifications

• 5+ years of experience in enterprise IT infrastructure
• Experience leading infrastructure projects and teams
• Strong Windows Server and Linux administration
• Vendor and third‑party engineering coordination

Responsibilities

• Oversee day-to-day IT infrastructure operations and availability
• Lead Windows and Linux server environments
• Develop short- and long-term infrastructure strategies
• Coordinate infrastructure projects from planning to implementation
• Provide technical leadership to internal engineers and vendors
• Ensure security, privacy, and compliance alignment

Skills

Infrastructure management

Leadership

Vendor management

Windows Server

Linux administration

Education

Bachelor's degree in Computer Science or related field

Job description

Position Overview

MetroSys is seeking an experienced IT Infrastructure Manager to support a large, highly available technology environment in the Terminal Island/Los Angeles area. This position will provide technical and operational leadership across the organization's IT infrastructure while supporting technology that is critical to continuous business operations.

The IT Infrastructure Manager will oversee infrastructure operations, systems administration, technology projects, vendors, and third-party engineering resources. This individual will be responsible for maintaining system availability, improving infrastructure reliability, planning for future capacity requirements, and leading the resolution of complex technical issues.

The ideal candidate combines strong hands-on infrastructure knowledge with leadership experience and is comfortable operating in a fast-paced, 24/7 environment where system uptime and operational continuity are critical.

Key Responsibilities

• Manage the day-to-day operation, availability, and performance of enterprise IT infrastructure supporting business-critical operations.

• Support and manage technology across both Information Technology (IT) and Operational Technology (OT) environments.

• Develop short- and long-term infrastructure strategies addressing capacity, availability, lifecycle management, scalability, and future business requirements.

• Oversee Windows and Linux server environments and provide technical guidance for complex infrastructure issues.

• Lead troubleshooting efforts and root-cause analysis for incidents involving multiple interconnected systems and technologies.

• Establish processes and standards for infrastructure changes, upgrades, maintenance, and system enhancements to minimize operational disruption.

• Identify opportunities to improve infrastructure reliability, performance, automation, monitoring, and operational efficiency.

• Provide technical leadership and direction to internal engineers, contractors, vendors, and third-party technical resources.

• Coordinate infrastructure projects from planning and design through implementation and operational handoff.

• Manage technology vendors and ensure external resources meet technical, operational, service-level, and project requirements.

• Maintain appropriate technical documentation, operating procedures, infrastructure standards, and system records.

• Monitor infrastructure health and establish operational processes designed to maximize system uptime and availability.

• Assist with infrastructure budgeting, expense management, purchasing, and technology lifecycle planning.

• Provide leadership with regular updates regarding infrastructure health, active projects, risks, planned improvements, and technology initiatives.

• Ensure infrastructure practices align with organizational security, privacy, compliance, and business continuity requirements.

• Participate in after-hours escalation or critical incident response when required by the operating environment.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related technical discipline.

• 5+ years of experience supporting enterprise IT infrastructure, systems engineering, or infrastructure operations.

• Experience leading infrastructure projects, technical teams, vendors, or third-party engineering resources.

• Strong administration and troubleshooting experience with Microsoft Windows Server and Linux environments.

• Demonstrated experience maintaining highly available,