Operational Technology Engineer
Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Sep 28, 2026.
Req ID: 140831
Remote Position: No
Region: Asia
Country: Thailand
State/Province: Chonburi
City: Laem Chabang
Summary
Role Overview: Manage, secure, and maintain OT assets to ensure seamless manufacturing operations while aligning with corporate IT security standards.
The Associate Engineer, Manufacturing Process is responsible for designing, developing, deploying and optimizing processes for manufacturing to achieve quality cost and delivery goals for Celestica and its customers products.
Detailed Description
Key Responsibilities:
Asset & Network Management: Onboard new OT machines, ensure proper network segmentation (VLANs), and maintain accurate asset records in the CMDB.
Security Deployment: Install and manage mandatory security tools (CrowdStrike, BigFix, etc.) based on OT system classifications without disrupting production.
Risk Management: Identify vulnerabilities, report policy exceptions, and manage the Risk Acceptance (RA) process for legacy or unsupported machines.
Cross-functional Collaboration: Act as the bridge between the engineering team (Operations) and enterprise IT/Security teams.
- Support: the evaluation of new equipment, coordinate software and hardware upgrades, set equipment specifications and qualification tests with supervision.
Knowledge/Skills/Competencies
Refer to technical skills below
Physical Demands
Solid understanding of OT environments.
Familiarity with IT/OT cybersecurity and ITSM tools.
Strong communication and problem-solving skills.
Typical Experience
3-5 years' experience with IT/OT
Typical Education
Degree in Computer/Electrical Engineering, IT, or a related field.
Notes
This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time.
Celestica is an equal opportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on any protected status (including race, religion, national origin, gender, sexual orientation, age, marital status, veteran or disability status or other characteristics protected by law).
At Celestica we are committed to fostering an inclusive, accessible environment, where all employees and customers feel valued, respected and supported. Special arrangements can be made for candidates who need it throughout the hiring process. Please indicate your needs and we will work with you to meet them.
COMPANY OVERVIEW:
Celestica (NYSE, TSX: CLS) enables the world’s best brands. Through our recognized customer-centric approach, we partner with leading companies in Aerospace and Defense, Communications, Enterprise, HealthTech, Industrial, Capital Equipment and Energy to deliver solutions for their most complex challenges. As a leader in design, manufacturing, hardware platform and supply chain solutions, Celestica brings global expertise and insight at every stage of product development - from drawing board to full-scale production and after-market services for products from advanced medical devices, to highly engineered aviation systems, to next-generation hardware platform solutions for the Cloud. Headquartered in Toronto, with talented teams spanning 40+ locations in 13 countries across the Americas, Europe and Asia, we imagine, develop and deliver a better future with our customers.
Celestica would like to thank all applicants, however, only qualified applicants will be contacted.
Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services.