Job Specifications
Nagase America LLC is a global leader in innovative products and solutions through expertise in chemicals, plastics, electronics, automotive and life sciences. Founded 1832, NAGASE Group now has 114 group companies, spanning over 32 countries, with more than 7,000 team members worldwide. By bringing together good science with great people our customized solutions shape the future of our ever-changing world.
Benefits of Joining Nagase:
· Competitive compensation and benefits packages.
· Generous paid time off and holidays.
· Retirement savings plans with company match.
· Opportunities for career growth and professional development.
Be part of a team that values innovation, collaboration, and customer success. Apply today to contribute to our mission of delivering exceptional solutions across industries!
IT Infrastructure & Operations Specialist
Location: Hybrid – Onsite at Nagase America office in Itasca, IL (minimum 3 days/week)
Nagase America is seeking a highly skilled IT Infrastructure & Operations Specialist to take ownership of our regional IT ecosystem. This is a hands-on, high‑impact role for an experienced infrastructure professional who thrives on designing resilient systems, solving complex problems, and driving continuous improvement across infrastructure, networking, and operations.
You will serve as a technical leader and escalation point, partnering with business and global IT stakeholders to ensure our environment is secure, scalable, and aligned with evolving business needs.
What You’ll Do
Infrastructure Leadership
Design, implement, and optimize secure, scalable infrastructure aligned with enterprise and security standards
Evaluate and introduce new technologies to improve performance, reliability, and cost efficiency
Monitor performance and capacity to ensure high availability and business continuity
Develop and lead disaster recovery and business continuity planning and testing
Implement safeguards and controls to protect against cyber threats
Maintain clear, accurate infrastructure documentation, diagrams, and standards
Network Engineering
Design, deploy, and maintain reliable and secure network architectures
Manage WAN, LAN, VPN, firewalls, routers, switches, and access points
Work with advanced networking technologies including SD‑WAN, OSPF, and BGP
Perform traffic analysis and proactively optimize network performance
Create and maintain comprehensive network documentation
IT Operations Excellence
Configure, support, and maintain infrastructure and IoT devices for stability and uptime
Monitor systems, resolve incidents, and lead root cause analysis
Identify opportunities for automation and process improvement
Apply patches, updates, and upgrades to maintain secure configurations
Maintain accurate inventories of IT assets and configurations
Provide Tier 1–3 support and demonstrate mastery of ticketing systems
Documentation, Compliance & Vendor Management
Develop roadmaps, policies, procedures, knowledge bases, and user documentation
Support audits, security assessments, and evidence collection
Evaluate vendors and technologies through quantitative and qualitative analysis
Prepare technical proposals and business justifications
Manage vendor relationships, contracts, and performance
Technologies You’ll Work With
Cloud & Endpoint: Microsoft Azure, Microsoft 365, Intune, Entra ID, Jamf, ABM
Networking: WAN, LAN, VPN, Firewalls, DNS, DHCP, SD‑WAN
Security: EDR, MFA, SSO, SIEM
Infrastructure: Windows Server, VMware ESXi, vSphere
Tools: Endpoint management, project management, ticketing systems
What You Bring
3–5+ years of hands-on corporate IT experience
Bachelor’s degree in Information Systems, Computer Science, Systems Security, or related field
Deep expertise in infrastructure, networking, IT operations, endpoint management, and security
Strong analytical, troubleshooting, and critical-thinking skills
Proven ability to manage multiple priorities and operate in ambiguous environments
Excellent communication skills with the ability to collaborate across cultures and teams
Strong documentation, organization, and stakeholder management skills
Commitment to continuous learning and professional development
Bilingual (English & Japanese) is a plus
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