OT Cybersecurity Patch & Lifecycle Engineer II

PowerToFly; Belle Isle (FL); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401K matching

Job summary

Mitsubishi Power is seeking a Software Patching, Lifecycle & OT Cybersecurity Engineer II to independently execute patching, vulnerability management, and lifecycle maintenance for OT and control system environments. This role supports Windows- and Linux-based systems across air-gapped and remote enterprise OT infrastructures.

Responsibilities include hands-on patching, vulnerability analysis, remediation coordination, scripting, and documentation, escalating complex issues to senior engineers

Qualifications

• Bachelor’s degree or equivalent experience in a relevant field.
• 2–4 years of patch management, systems administration, or OT support experience.
• Hands-on Windows and Linux patching and lifecycle maintenance experience.
• Experience with patching, vulnerability management, and remediation planning.

Responsibilities

• Execute OS and application patching across Windows and Linux environments per schedules and change management.
• Perform vulnerability scanning, CVE analysis, severity evaluation, and remediation planning.
• Coordinate remediation with system owners and verify actions via re-scans and testing.
• Develop and maintain patch deployment packages for air-gapped environments.
• Support patch management tools (e.g., WSUS) including deployment and reporting.
• Create automation scripts to improve patching efficiency and reporting.
• Maintain documentation and audit materials for regulated environments.

Skills

Windows / Linux administration

Patch management

Vulnerability management

Scripting (PowerShell, Python, Bash)

OT/ICS familiarity

Education

Bachelor’s degree in Cybersecurity, Information Systems, CS, or related field

Tools

WSUS

Tanium

VMware ESXi

Proxmox

Job description

Mitsubishi Power is seeking a Software Patching, Lifecycle & OT Cybersecurity Engineer II to independently execute patching, vulnerability management, and lifecycle maintenance for OT and control system environments. This role supports Windows- and Linux-based systems across air-gapped and remote enterprise OT infrastructures.

Responsibilities include hands-on patching, vulnerability analysis, remediation coordination, scripting, and documentation, escalating complex issues to senior engineers