Cybersecurity & Systems Administrator in Midway, Georgia at Hanwha Energy USA Holdings Corporation

Position Overview

We are looking for an experienced Cybersecurity & Systems Administrator to safeguard and support the technological infrastructure that powers our manufacturing operations. With a mix of production, OT, and corporate systems, this role is essential to maintaining secure, reliable, and compliant IT environments. This role will be responsible for maintaining a secure IT environment, ensuring regulatory compliance (e.g., ITAR, CMMC), and supporting day-to-day system administration.

The ideal candidate brings 7+ years of hands‑on experience in system administration and cybersecurity, thrives in a fast‑paced production setting, and understands the unique challenges of protecting both IT and OT networks in a manufacturing facility.

Essential Duties and Responsibilities

• Oversee the administration, maintenance, and security of Windows servers, Active Directory, Group Policy, and enterprise applications.
• Manage identity and access controls (Azure AD, MFA, Conditional Access).
• Implement and manage cybersecurity controls, including endpoint protection, patch management, vulnerability scanning, and SIEM monitoring.
• Maintain and secure OT/industrial systems, including PLCs, HMIs, SCADA components, and segmented networks.
• Lead incident response activities, including investigation, containment, remediation, and documentation (basic SOC function).
• Manage user accounts, permissions, and identity access management across systems.
• Define and enforce information security policies and standards.
• Conduct vulnerability management and security assessments.
• Ensure compliance with regulatory requirements (e.g., ITAR, CMMC, internal audit).
• Support secure remote access and collaboration tools.
• Collaborate with MSP on security awareness training and phishing simulation campaigns.
• Coordinate with MSP vendors for advanced security monitoring and response
• Support backup and disaster recovery strategies, including testing and documentation.
• Collaborate with network engineers, operations, and production teams to ensure system uptime and secure connectivity.
• Maintain detailed documentation of systems, configurations, and security procedures.

Qualifications

• Bachelor’s degree in Information Technology, Cybersecurity, or related field (or equivalent experience)
• 7+ years of experience in system administration and/or cybersecurity roles.
• Strong expertise with Windows Server, Active Directory, DNS, DHCP, Group Policy, and virtualization platforms.
• Experience with cybersecurity tools such as EDR, SIEM, MFA, CrowdStrike, Defender, Netskope, vulnerability scanners, and firewalls.
• Understanding of manufacturing environments, OT networks, and industrial control systems.
• Knowledge of cybersecurity best practices, including network segmentation, least privilege, patching, and threat mitigation.
• Experience managing backups, disaster recovery, and business continuity processes.
• Strong analytical, troubleshooting, and documentation skills.
• Knowledge of identity and access management (IAM), MFA, and endpoint security.

Preferred Skills

• Experience with GCC High environment or regulated industries.
• Certifications such as Security+, CySA+, CISSP, CEH, Microsoft Certified: Azure Administrator, or similar.
• Proficiency with Azure AD, M365 security tools, VMware/Hyper‑V, and cloud‑based security controls.
• Familiarity with NIST CSF, ISO 27001, or other security frameworks.
• Experience supporting ERP systems, MES platforms, or industrial automation technologies.
• Knowledge of ITAR, CMMC, or similar regulatory requirements.
• Experience working with MSP or outsourced security services.

Key Competencies

• Strong attention to detail and security mindset.
• Ability to manage both security and system administration tasks.
• Proactive risk identification and mitigation.

Work Environment

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is regularly exposed to moving mechanical parts. The employee is frequently exposed to wet and/or humid conditions and fumes or airborne particles. The employee is occasionally exposed to toxic or caustic chemicals, extreme cold, extreme heat, and vibration. The noise level in the work environment is usually very loud.