IT Specialist

Hanwha Convergence USA (HCU) is a wholly owned subsidiary of Hanwha Energy and the sole O&M service provider within Hanwha Group. HCU delivers end-to-end Solar and BESS Operations & Maintenance across more than 70 active utility-scale sites in the U.S., and runs a growing System Integration (SI) business serving semiconductor, energy, and advanced manufacturing customers.

The IT Specialist will serve as HCU’s primary in-house IT resource and own the company’s day-to-day IT operations. The role covers end-user support, device management, Microsoft 365 administration, cybersecurity, and the office network infrastructure. The IT Specialist will support all business units, including System Integration (SI), O&M (the Remote Operations Center (ROC) and field operations), Infrastructure Solutions, and the Corporate Team, to keep systems reliable, secure, and well documented, and employees productive., * Serve as the primary point of contact for IT requests from office and field employees (in person, phone, email, and Microsoft Teams), and manage all requests through a ticketing system.

• Diagnose and resolve issues with laptops, desktops, peripherals, printers, and business applications.
• Provision, deploy, maintain, and retire laptops, preferably using Windows Autopilot and Intune, and keep an accurate hardware and software inventory.
• Manage employee onboarding and offboarding, including accounts, email, licenses, devices, and system access, and make sure access is revoked promptly upon separation.
• Support office phone and VoIP systems, as well as conference room and meeting equipment.
• Respond to urgent after-hours issues as needed, with priority on issues affecting ROC or customer operations.
• Create and maintain user guides and IT support documentation.

Microsoft 365 & Identity Administration ( 20%)

• Administer the Microsoft 365 environment, including Exchange Online, Teams, SharePoint, OneDrive, and Intune.
• Manage users, groups, and permissions in Microsoft Entra ID, including multi-factor authentication (MFA), conditional access, and password policies.
• Manage SharePoint sites and file sharing permissions.
• Manage Microsoft 365 and other software licenses, including Copilot, and keep licensing accurate and cost-effective.
• Automate routine administrative tasks and reporting with PowerShell.
• Manage email security, including spam and phishing protection.

Endpoint & Security Management ( 20%)

• Manage endpoint protection and Endpoint Detection and Response (EDR) tools, confirm full device coverage, and investigate and resolve security alerts.
• Manage monthly operating system and third-party application patching, and report on patch compliance.
• Configure, monitor, and test backups for Microsoft 365 and critical systems, and perform data recovery as needed.
• Conduct regular MFA, account, and access reviews, and support vulnerability scans and security assessments.
• Support NIST SP 800-171 and CMMC compliance readiness by working with third-party consultants to implement required security controls and maintain supporting documentation.
• Deliver security awareness training and phishing simulations for employees.
• Maintain all administrative accounts and credentials in a secure, company-owned password vault.
• Maintain up-to-date runbooks, system documentation, and backup administrator access so IT operations can continue during planned or unplanned absences.

Network & Infrastructure ( 20%)

• Own the office network infrastructure, including the Fortinet FortiGate 60F firewall, Cisco Catalyst C9200L-48P PoE switches, wireless controller and Cisco access points, and internet service.
• Manage firewall policies, including inbound and outbound rules, intrusion prevention, and web, DNS, and application filtering.
• Manage remote access (IPSec and SSL VPN), DHCP, and IP addressing.
• Monitor internet service, bandwidth, and network device health, configure outage alerts, and proactively resolve performance issues.
• Manage firmware updates, hardware warranties, and security subscriptions for network devices.
• Maintain current network documentation, including diagrams, configurations, and administrative credentials stored in the company vault.
• Coordinate with internet service providers and network vendors on outages, changes, and new equipment.

IT Planning, Policies & Vendors ( 15%)

• Develop and enforce IT policies, procedures, and best practices, including acceptable use, access control, password, and backup policies.
• Plan and coordinate IT projects, including system upgrades, migrations, and new office or site setups.
• Prepare and track the IT budget, and make sure purchases and licenses are cost-effective.
• Manage IT vendors, contracts, renewals, and invoices, and verify that billing matches services delivered.
• Support IT procurement, including sourcing quotes, evaluating options, and managing equipment from purchase through disposal.
• Support data protection and compliance with company and customer requirements.
• Support IT-related requests from other departments and teams as needed.
• Prepare IT summaries and reports for U.S. and Korea HQ leadership as needed.
• Perform other duties as assigned.

• Bachelor’s degree in Information Technology, Computer Science, Information Systems, or a related field.
• 5+ years of hands-on IT support or systems administration experience, preferably as an in-house IT generalist or at a managed service provider (MSP).
• At least one current IT certification from the Preferred Certifications list below.
• Strong working knowledge of Microsoft 365 and Microsoft Entra ID administration.
• Experience managing Windows devices, including deployment, patching, and endpoint security tools.
• Working knowledge of networking, including firewalls, switches, wireless, VPN, DHCP/DNS, and troubleshooting.
• Working knowledge of PowerShell and the Windows command line for administration and automation.
• Strong communication skills, with the ability to explain technical issues to non-technical users and translate business needs into technical solutions.
• Good project management and problem-solving skills.
• Ability to work independently as a one-person IT function.
• Highly organized and detail-oriented, with good documentation habits.

Preferred:

• Master’s degree in Information Technology, Computer Science, Cybersecurity, or a related field.
• Experience deploying devices with Windows Autopilot and Microsoft Intune.
• Experience with Fortinet FortiGate firewalls.
• Experience with EDR/MDR and backup tools.
• Experience with VoIP or Microsoft Teams Phone.
• Basic scripting experience in Python or Bash.
• Experience in energy, utilities, or operations environments with 24/7 control rooms.
• Korean language skills are a plus., * Help Desk & End-User Support: CompTIA A+
• Microsoft 365 & Endpoints: Microsoft 365 Certified: Administrator Expert (MS-102); Microsoft 365 Certified: Endpoint Administrator Associate (MD-102)
• Identity & Security: Microsoft Certified: Identity and Access Administrator Associate (SC-300); CompTIA Security+
• Network: CompTIA Network+; Cisco Certified Network Associate (CCNA); Fortinet Certified Associate (FCA) or Fortinet Certified Professional (FCP) in Network Security
• IT Service Management: ITIL 4 Foundation

Hanwha Convergence USA is a leading provider of O&M Servies for Solar and Energy Storage Systems, leveraging our industry-leading IT and engineering capabilities. In addition, we are a trusted smart factory solutions provider, supplying top-notch integrated control and monitoring systems. Our company is committed to bringing tomorrow’s dreams to life and creating a smarter world with our customers by adding value to technology.