OT Security Engineer

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Acuity Inc. (NYSE: AYI) is a market-leading industrial technology company. We use technology to solve problems in spaces, light and more things to come. Through our two business segments, Acuity Brands Lighting (ABL) and Acuity Intelligent Spaces (AIS), we design, manufacture, and bring to market products and services that make a valuable difference in people’s lives.

We achieve growth through the development of innovative new products and services, including lighting, lighting controls, building management solutions, and an audio, video and control platform. We focus on customer outcomes and drive growth and productivity to increase market share and deliver superior returns. We look to aggressively deploy capital to grow the business and to enter attractive new verticals.

Acuity Inc. is based in Atlanta, Georgia, with operations across North America, Europe and Asia. The Company is powered by approximately 13,000 dedicated and talented associates. Visit us at

We're seeking a talented OT/ICS cybersecurity specialist to join the Acuity OT/ICS Cyber Security team. You will work closely with other Supply Chain, Engineering, Cybersecurity, IT, and Risk team members to design, implement, and manage security measures for industrial control systems. This role involves conducting security assessments, identifying and mitigating risks, developing security countermeasures, and ensuring compliance with industry standards. The ideal candidate will have a strong background in both cyber security and industrial control systems, with a focus on protecting manufacturing environments.

Security Governance

• Support CCs policy development and process improvement initiatives.
• Partner with engineering and operations teams to integrate security into projects and daily activities.
• Lead cross‑functional security initiatives with diverse stakeholders.

Risk and Compliance

• Conduct CCs risk and vulnerability assessments; identify threats and implement mitigation strategies.
• Ensure compliance with ISA/IEC 62443, NIST, and other applicable standards through regular audits and gap remediation.

Security Architecture and Implementation

• Design, implement, and maintain secure architectures for manufacturing and distribution environments.
• Deploy cybersecurity countermeasures, including IT/OT network segmentation.

System Hardening and Vulnerability Management

• Analyze hardware and software for hardening opportunities and support vulnerability triage and remediation.
• Respond / monitor CCs environments, respond to incidents, execute IR plans, and conduct forensic investigations.

Collaboration and Training

• Collaborate with IT, engineering, and operations teams to embed security best practices.
• Deliver security awareness and training programs; engage with vendors and regulatory bodies.

An CCs Security Operations Specialist will have proven experience protecting industrial control systems (ICs) in critical manufacturing infrastructure:

• Bilingual (Spanish & English) and a completed degree is required.
• A working knowledge of industrial control systems (e.g., DCS, PLCs, SCADA, etc.).
• Strong understanding of cybersecurity frameworks for ICs/OT environments (ISA-99/IEC 62443, NIST SP 800-82, CIS, etc.).
• Knowledge of IT and OT security best practices; a practical understanding of the differences.
• Understanding protocols common in ICs environments (e.g., Ethernet/IP, CIP, Modbus, OPC, etc.) and industrial networking topologies (e.g., ring, star, etc.).
• Familiar with security technologies within the ICs environment such as firewalls, IDS, endpoint security solutions, access control systems, and other related security technologies.
• Strong understanding of network architecture and cybersecurity principles.
• Excellent analytical, problem‑solving, and communication skills.
• Ability to work independently and as part of a multidisciplinary team.

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We value diversity and are an equal‑opportunity employer. All qualified applicants will be considered for employment without regards to race, color, age, gender, sexual orientation, gender identity and expression, ethnicity…