Senior OT Security Engineer Careers at Hershey: Remote ICS Cybersecurity Skills, Salary, Resume Tips & How to Get Hired

Opportunity Snapshot

About Hershey Careers

The Hershey Company is a global confectionery and snacks company with career paths across manufacturing, supply chain, engineering, cybersecurity, technology, sales, marketing, finance, and corporate functions. In technology and manufacturing environments, OT security professionals help protect the systems that support production, plant operations, safety, and business continuity.

For current openings, always check the official Hershey careers website before applying through any older job article.

Official Hershey Careers Page: Hershey Careers

What a Senior OT Security Engineer Does

A Senior OT Security Engineer protects industrial networks, manufacturing systems, and operational technology environments. Unlike traditional IT security roles, OT security work focuses heavily on uptime, safety, segmentation, legacy systems, plant operations, and controlled change management.

In food manufacturing and similar industries, this may include securing industrial control systems, supporting network scanning, maintaining asset inventory, improving remote access controls, upgrading security tools, and working closely with engineering, plant operations, automation, IT, and incident response teams.

Common Responsibilities

• Deploy and support OT security tools for firewalls, asset inventory, monitoring, scanning, and vulnerability management.
• Secure industrial control systems, SCADA environments, PLCs, HMIs, engineering workstations, and plant networks.
• Support secure remote access, network segmentation, and controlled connectivity between IT and OT environments.
• Review and improve OT security policies, procedures, and technical standards.
• Coordinate patching, upgrades, compensating controls, and risk-based remediation for OT systems.
• Monitor OT environments for security events, anomalies, and operational risks.
• Collaborate with manufacturing, engineering, automation, IT, and cybersecurity teams.
• Support incident response planning for OT and ICS environments.
• Train teams on industrial cybersecurity awareness and secure operational practices.
• Stay current with ICS, IIoT, manufacturing security, and cybersecurity trends.

Skills Employers Want

• Operational Technology security
• Industrial Control Systems security
• SCADA, PLC, and HMI environments
• Industrial networking and segmentation
• Firewalls and secure remote access
• OT asset inventory and vulnerability management
• ICS protocols such as Ethernet/IP, OPC, Modbus, and Profinet
• NIST Cybersecurity Framework and NIST 800-82 awareness
• IEC 62443 understanding
• Incident response for industrial environments
• Risk assessment and compensating controls
• Manufacturing systems support
• Cross-functional communication with plant and engineering teams
• Security awareness training
• Careful documentation and change management

Salary Context

Senior OT Security Engineer pay can vary by employer, location, plant support requirements, industry, certifications, on-call expectations, and travel. Manufacturing and critical infrastructure employers may pay more for professionals who understand both cybersecurity and industrial environments.

• OT Security Analyst: $85,000–$120,000
• ICS Security Engineer: $105,000–$145,000
• Senior OT Security Engineer: $120,000–$175,000+
• OT Security Architect or Lead: $150,000–$210,000+

Higher-paying roles usually require hands-on ICS experience, manufacturing or automation knowledge, plant-facing communication skills, and the ability to secure OT environments without disrupting operations.

Resume Tips for Senior OT Security Engineer Jobs

• Lead with OT security, ICS, SCADA, PLC, HMI, manufacturing security, and industrial networking experience.
• Show specific work with segmentation, firewalls, secure remote access, asset inventory, vulnerability management, or OT monitoring tools.
• Use measurable examples such as reduced exposed assets, improved visibility, completed plant assessments, reduced risk, or faster incident response readiness.
• Mention industries you have supported, such as food manufacturing, pharmaceuticals, utilities, energy, chemicals, or industrial production.
• Highlight cross-functional work with plant operations, engineering, automation, IT, and security teams.
• Include certifications such as GICSP, CISSP, Security+, Network+, ISA/IEC 62443, or vendor-specific OT security training where applicable.
• Avoid writing like a general IT security candidate. Show that you understand production uptime, safety, legacy systems, and controlled change windows.

Interview Preparation

For OT security interviews, employers usually want to know whether you can protect industrial systems without creating operational disruption.

• How is OT security different from traditional IT security?
• How would you approach network segmentation in a manufacturing environment?
• What are the risks of scanning industrial control systems?
• How do you secure remote access for vendors and plant support teams?
• How would you prioritize vulnerabilities in OT systems that cannot be patched immediately?
• What ICS protocols have you worked with?
• How do you work with plant engineers who are concerned about downtime?
• Describe your experience with OT asset inventory or monitoring tools.
• How would you respond to a suspected OT cybersecurity incident?
• What frameworks do you use for industrial cybersecurity programs?

Similar Job Titles to Search

• Senior OT Security Engineer
• OT Security Engineer
• ICS Security Engineer
• Industrial Cybersecurity Engineer
• SCADA Security Engineer
• OT Network Security Engineer
• Manufacturing Cybersecurity Engineer
• Industrial Control Systems Security Analyst
• OT Security Architect
• Critical Infrastructure Security Engineer