IT Infrastructure Manager

Colonial Group; Elmhurst (IL); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Vacation & PTO

Health & Dental

Vision Insurance

401(k) Plan

Life Insurance

HSA/FSA

Training & Development

Job summary

Loomis is seeking an IT Infrastructure Manager to lead day-to-day operations across on‑premises and cloud environments. You will supervise enterprise servers, endpoints, and core infrastructure, guiding incident response and continuous improvement while aligning with security and compliance standards.

You'll manage change processes, mentor IT staff, and collaborate with security, networking, and application teams to deliver reliable, scalable services for a fast‑paced environment.

Qualifications

• 5–8 years of progressive IT infrastructure and support experience.
• 2–3 years in a leadership or supervisory role.
• Proven expertise in Windows Server and desktop environments with enterprise networks.
• Experience with cloud platforms (AWS, Azure, or GCP) and hybrid networks.
• Strong hands-on experience with security tools and controls.
• Experience with endpoint management and automation (PowerShell).
• Relevant certifications such as CCNP or CCIE preferred.
• Ability to lead technical teams and manage projects in fast-paced environments.

Responsibilities

• Oversee daily IT infrastructure operations and workload prioritization.
• Lead incident response and major incident management.
• Support and troubleshoot enterprise servers, endpoints, and core infrastructure.
• Collaborate with security, infrastructure, and application teams.
• Maintain identity and file services, and collaboration platforms.
• Ensure change management processes are followed.
• Develop automation scripts to improve efficiency.

Skills

Leadership

Strategic thinking

Analytical skills

Communication

Education

Bachelor's degree in IT/CS

CCNP/CCIE (preferred)

Tools

Windows Server

Enterprise networks

Cloud platforms

Security tools

Endpoint management

PowerShell/Automation

VPNs & Firewall

Job description

Job Overview: This position is responsible for leading day-to-day operations across on-premises and cloud environments. The IT Infrastructure Manager combines technical expertise with leadership to ensure systems are reliable, secure, and aligned with business objectives. Proven ability to troubleshoot complex issues, lead incident response, and drive continuous improvement while managing operational priorities.

Key Responsibilities:

• Oversee daily IT infrastructure operations and workload prioritization.
• Serve as escalation point for complex technical issues.
• Administer and support enterprise servers, endpoints, and core infrastructure systems.
• Troubleshoot issues across systems, applications, and user environments.
• Maintain identity services, file services, and collaboration platforms.
• Monitor performance and proactively address capacity, reliability, and availability concerns.
• Lead hands-on troubleshooting of complex infrastructure issues across multiple domains.
• Participate in major incident response, including diagnosis, stabilization, and resolution.
• Support escalated network issues including routing, switching, WAN, VPNs, and site connectivity.
• Participate in network and security incident triage and response.
• Support firewalls, VPNs, and secure access technologies.
• Assist with security investigations and remediation efforts.
• Ensure infrastructure aligns with security and compliance standards.
• Support cloud platforms, hybrid identity services, and endpoint management.
• Manage user provisioning and access control policies.
• Contribute to cloud adoption and optimization initiatives.
• Support application infrastructure and performance troubleshooting.
• Execute and enforce change management processes.
• Lead or implement critical infrastructure changes.
• Maintain accurate and up-to-date technical documentation.
• Act as escalation point for helpdesk and end-user issues.
• Provide hands-on support during high-impact incidents.
• Provide mentorship and guidance to IT staff.
• Develop automation scripts to improve efficiency.
• Identify and implement operational improvements.
• Collaborate with vendors and service providers to support operations and resolve issues.
• Other directives as assigned.

Primary Qualifications:

• Bachelor’s degree in Information Technology, Computer Science, or a related field.
• 5-8 years of progressive experience in IT infrastructure and support experience
• 2–3 years in a leadership or supervisory role.
• Proven expertise in Windows Server & Desktop Environments and managing complex enterprise network infrastructures (LAN/WAN, VPN, Switching, Routing).
• Familiarity with cloud platforms (AWS, Azure, or GCP) and hybrid network environments.
• Strong hands-on experience with Security Tools & Controls.
• Experience with Endpoint Management and PowerShell/Automation.
• Relevant industry certifications such as CCNP, CCIE, or equivalent are strongly preferred.
• Demonstrated ability to lead technical teams, manage projects, and deliver results in a fast-paced environment.
• Availability to travel and offer after-hours support as needed.

Individual Skills & Competencies:

• Excellent leadership skills with experience managing and developing high-performing teams.
• Ability to think strategically and align infrastructure initiatives with broader business goals.
• Strong analytical skills with the ability to diagnose and resolve complex issues.
• Strong understanding of ITIL practices, change management, and service delivery frameworks.
• Excellent verbal and written communication skills, with the ability to translate technical concepts for non-technical stakeholders.
• Ability to make timely, data-driven decisions under pressure.
• Proven ability to collaborate cross-functionally with security, infrastructure, and application teams.
• Comfortable managing changing priorities and emerging technologies.
• Commitment to delivering reliable, high-quality services that meet business needs.
• Strong attention to detail with infrastructure design, documentation, and implementation.
• Demonstrate accountability for outcomes and drive continuous improvement initiatives.

Benefits:

Loomis offers one of the most comprehensive employee benefit packages in the industry, which includes:

• Vacation and Sick Time (PTO) as well as Paid Holidays
• Health & Dental Insurance
• Vision Insurance
• 401(k) Plan
• Basic Life Insurance Plan
• Voluntary Life Insurance Plan
• Flexible Spending and Health Savings Account
• Dependent Care Account
• Industry-leading Training and Development