Software Engineer I – Patching and Lifecycle Management

Mitsubishi Heavy Industries

Software Engineer supporting the secure operation of OT environments and patch management for Mitsubishi Power. Collaborating on updates, validations, and documentation of cybersecurity activities.

Posted 6/2/2026full-timeOrlando • Florida • 🇺🇸 United StatesJuniorWebsite

Tech Stack

Tools & technologies

Cyber SecurityLinuxPython

About the role

Key responsibilities & impact

Supports the secure operation of operational technology (OT) and control system environments
Executes patching, vulnerability scanning, and documentation activities in accordance with established procedures
Works with Windows- and Linux-based systems across both air‑gapped control environments and enterprise OT networks
Supports routine patching and vulnerability management activities while collaborating with senior engineers, cybersecurity teams, and system owners
Applies updates, validates system changes, and ensures all activities are accurately documented in alignment with approved processes

Requirements

What you’ll need

Associate’s or Bachelor’s degree in Cybersecurity, Information Systems, Computer Science, Engineering, or a related field, or equivalent technical training
0–2 years of relevant experience in IT, OT, systems administration, cybersecurity operations, or patching support
Basic understanding of Windows and/or Linux system administration
Familiarity with patching and vulnerability management concepts within IT/OT environments
Introductory scripting experience using PowerShell, Python, or Bash
Ability to follow documented procedures and maintain accurate technical records
Strong interest in OT systems, cybersecurity, and control system environments, with a willingness to learn and develop technical skills
Effective communication, analytical, and organizational skills, with attention to detail
Flexibility to work outside standard business hours, as needed to support maintenance or patching windows
Ability to travel up to 20%, as required

Benefits

Comp & perks

Excellent Benefits (Medical, Dental, Vision & 401K Matching)
Excellent development programs and advancement opportunities
Tuition reimbursement and on-the-job training
Paid vacation, sick time, and holidays
Committed to quality products and services
Great working environment and culture
Employee Appreciation Programs and Event

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

patchingvulnerability scanningWindows system administrationLinux system administrationscriptingPowerShellPythonBashdocumentationcybersecurity operations

Soft Skills

effective communicationanalytical skillsorganizational skillsattention to detailwillingness to learnflexibilitycollaboration

Certifications

Associate’s degreeBachelor’s degree