Network Analyst

Req ID: 142255

Remote Position: No

Region: Asia

Country: Thailand

State/Province: Chonburi

City: Laem Chabang

Summary

The Analyst, IT Infrastructure evaluates network stability, leads Tier 2 support investigations, designs firmware patching schedules, and implements script-driven automation. By analyzing system health alerts and traffic patterns, the Analyst proactively identifies bottlenecks, mitigates vulnerabilities, and ensures robust enterprise connectivity across wired, wireless, and firewall platforms.

Detailed Description

A. Advanced Incident Resolution & Analysis (Tier 2)

• Tier 2 Technical Support: Act as the primary escalation point for complex LAN, WLAN,and firewall connectivity issues transferred from Tier 1.
• Advanced Diagnostics: Perform in-depth signal analysis, packet capture analysis, and Wi-Fi coverage assessments using Wi-Fi Analyzer and Heatmap.
• Root Cause Assistance: Assist Tier 3 Specialists with Root Cause Analysis (RCA) on recurring network incidents and document corrective actions.

B. Network Performance & Health Analytics

• Traffic Pattern Analysis: Analyze network traffic utilization, bandwidth distribution, and node error rates in SolarWinds and LibreNMS to detect degradation.
• Health Trend Reporting: Evaluate network health trends and generate monthly operational health reports to recommend capacity adjustments.

C. Maintenance, Patch Management & Firmware Governance

• Structured Patching: Plan, coordinate, and execute regular firmware updates, operating system patches, and vulnerability remediations across switches, routers, and firewalls.
• Patch Validation: Verify hardware refresh readiness and manage patch testing procedures in non-production environments prior to global rollout.

D. IT/OT Security & Network Segmentation

• Segmentation Enforcement: Manage and enforce IT/OT network segmentation rules, VLAN access control lists (ACLs), and firewall policy configurations.
• Security Rule Audit: Audit access points and switch port compliance to prevent unauthorized device access across operational technology zones.

E. Network Automation & Disaster Recovery

• Script Automation: Develop and maintain Python and PowerShell scripts to automate routine configuration updates, parameter audits, and data collection.

DR & Integrity Verification: Execute routine backup verification procedures and test recovery restore scenarios to validate data integrity for disaster recovery

Knowledge/Skills/Competencies

A. Technical Skills

• Networking Protocols: Mastery of Cisco IOS, Aruba Enterprise Wi-Fi, TCP/IP, VLANs, inter-VLAN routing, VoIP and firewall concept administration.
• Operating Systems: Strong operational command of Windows Server, Linux, and Embedded OS network parameters.
• Monitoring & Diagnostics: Advanced proficiency in SolarWinds, Aruba Heatmap, LibreNMS, and Netscout diagnostic environments.
• Automation: Proven scripting skills (Python or PowerShell) for network task automation and API parameter adjustments.
• Wireless Infrastructure: Experience deploying, optimizing, and securing Enterprise Wi-Fi solutions utilizing Wi-Fi Analyzer tools.

B. Analytical & Personal Attributes

• Analytical Mastery: Strong analytical problem-solving skills with a data-driven approach to technical troubleshooting under pressure.
• Operational Flexibility: High adaptability and time flexibility to support scheduled maintenance windows and emergency support calls.
• Language Command: Good command of written and spoken English for creating technical standard operating procedures (SOPs).

Physical Demands

• Duties of this position are performed in a normal office environment.
• Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data. Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) are frequently required.

Typical Experience

• Overall experience should be 7+years
• At least 5 years of hands-on experience in enterprise network support, performance analysis, and administration

Typical Education

• Bachelor’s degree in Computer Engineering, Computer Science, Information Technology, 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, Inc. (NYSE: CLS; TSX: CLS) is a technology leader dedicated to driving customer success and market advancements. With deep expertise in design, engineering, manufacturing, supply chain, and platform solutions, Celestica enables critical data center infrastructure for AI, cloud, and hybrid cloud and advances technologies in high-growth markets. With a talented team and a strategic global network, Celestica helps its customers achieve competitive advantages.

Today, Celestica delivers innovative supply chain solutions globally to customers in strategic two operating and reporting segments: Advanced Technology Solutions (ATS) and Connectivity and Cloud Solutions (CC):

ATS: This segment serves customers in complex, regulated and high-reliability markets such as Industrial & Smart Energy, Aerospace & Defense, Semiconductor Capital Equipment, and HealthTech. It is engineering led, with deep expertise in design, manufacturing and lifecycle solutions.

CCS: This segment focuses on high-performance technology solutions and services for the data center, serving hyperscalers, digital native customers and enterprises. Celestica's Platform Solutions offering provides innovative and customizable computing, storage and networking solutions enabling AI-driven growth.

Built on a legacy of trust and performance, Celestica has earned its reputation by delivering results in complex and fast-changing markets. Celestica exceeds customer expectations by identifying trends and staying ahead of the curve. Backed by comprehensive capabilities and a global network across North America, Europe and Asia, Celestica helps customers gain competitive advantage with the quality, flexibility and resiliency they need to respond quickly to shifts in demand. Guided by a bold vision to accelerate market advancements, Celestica delivers innovative solutions and technologies that turn complexity into opportunity. Anchored in teamwork and commitment, Celestica strives to be the most trusted partner to its customers and colleagues worldwide.

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.