Software Patching and Lifecycle Management Engineer I

Company Overview

At Mitsubishi Power, we're not just building better clean energy technologies; we're architecting a better future. Our team is boldly redefining power generation to accelerate the world's energy transition. We operate as one team, pushing toward our vision of the future. We value problem solvers, prioritize collaboration, and support each other in an inclusive culture built on accountability and authenticity by demonstrating our values: Safety, Family, Innovative, Inclusive, Accountable & Courageous. Together, we’re building the future we all aspire to - making net zero a reality.

The Software Patching, Lifecycle & OT Cybersecurity Engineer I supports the secure operation of operational technology (OT) and control system environments by executing patching, vulnerability scanning, and documentation activities in accordance with established procedures. This role works with Windows- and Linux-based systems across both air‑gapped control environments and enterprise OT networks.

Focused on hands‑on execution and skill development, the engineer supports routine patching and vulnerability management activities while collaborating with senior engineers, cybersecurity teams, and system owners. Responsibilities include applying updates, validating system changes, and ensuring all activities are accurately documented in alignment with approved processes.

• Demonstrates our core competencies: Action oriented, change champion, customer-focused, developing self & others, and ownership
• Execute operating system and application patching for Windows and Linux systems in accordance with approved procedures, schedules, and change management controls.
• Support vulnerability management activities, including routine and ad hoc scans, and review of results such as CVEs, severity ratings, and remediation requirements.
• Assist with remediation efforts, tracking corrective actions, coordinating with system owners, and validating fixes through re‑scans or verification processes.
• Prepare patch deployment packages for offline and air‑gapped environments under the guidance of senior engineers.
• Support administration of patch management tools, including WSUS and associated reporting processes.
• Develop and execute basic automation scripts (PowerShell, Python, or Bash) to support patching, reporting, and operational tasks.
• Support patching and maintenance of virtualized environments, including VMware systems, during scheduled maintenance windows.
• Assist in troubleshooting patching and vulnerability scanning issues, escalating complex problems as needed.
• Maintain accurate technical documentation, including validation evidence and work records in accordance with established procedures.
• Adhere to cybersecurity policies, site safety requirements, and company procedures at all times.

• 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.

• 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.

Mitsubishi Power is an Equal Employment Opportunity (EEO) employer actively seeking to diversify the workforce and is committed to a policy of equal employment opportunity. Therefore, all qualified applicants regardless of race, color, religion, gender, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally recognized protected basis under applicable law, are strongly encouraged to apply.