Reliability Network Engineer III
Location: Bangalore, Karnataka, India
Job ID: R-01341429
Job Type: Full-Time
Work Mode: Hybrid
Category: IT, Data & Technology
About the Organization
Thermo Fisher Scientific is a global leader in serving science, dedicated to making the world healthier, cleaner, and safer. With a strong presence across research, manufacturing, and technology-driven solutions, the organization empowers innovation through advanced digital, data, and IT capabilities. Employees are provided with world-class resources, large-scale R&D investment, and opportunities to make a meaningful global impact.
Job Overview
The Reliability Network Engineer III will play a critical role in designing, supporting, securing, and maintaining Thermo Fisher Scientific’s global network infrastructure. This position focuses on firewall, wireless, and enterprise network reliability, supporting manufacturing and research environments across worldwide locations.
The role requires deep expertise in network engineering operations, ITIL-based processes, automation, monitoring, and vendor coordination, while contributing to continuous improvement, performance optimization, and network resilience.
Key Responsibilities
Network Operations & Reliability
Support global Network Operations Center (NOC) to ensure timely resolution of network outages impacting business and customers
Monitor network health through metrics collection, visualization, alerting, and performance analysis
Track network utilization trends to support capacity planning and scalability
Manage network incidents, changes, and requests using ITIL-based processes
Own and maintain network monitoring configurations, SOPs, and incident workflows
Engineering & Optimization
Support and enhance global network infrastructure including routers, switches, firewalls, wireless controllers, load balancers, and SD-WAN
Conduct root cause analysis, problem investigations, and trend analysis for recurring issues
Proactively manage network vulnerabilities, patching, and software upgrades
Identify opportunities for network optimization, automation, and continuous improvement
Develop and validate diagnostic and troubleshooting scripts
Collaboration & Leadership
Collaborate with network SMEs, architects, vendors, and service providers for issue resolution and optimization initiatives
Coordinate end-to-end vendor engagements and escalations
Mentor junior engineers and provide technical guidance to peer teams
Maintain comprehensive documentation of network systems, maintenance activities, and enhancements
Guide stakeholders on global network engagement models and ITIL processes
Tools, Metrics & Automation
Manage ServiceNow work queues and ensure SLA compliance
Drive quality and accuracy in network performance metrics and reporting
Lead automation initiatives using scripting or APIs in collaboration with engineering teams
Participate in technical trainings provided by internal SMEs and external vendors
Required Qualifications
Education & Experience
Bachelor’s degree (BA/BS) in Computer Science, Information Technology, Engineering, or a related field, or equivalent professional experience
6–8 years of hands-on experience in network engineering and enterprise network operations
Technical Skills
Strong experience with Cisco, Arista, Fortinet, and F5 networking and security solutions
Expertise in LAN, WAN, Wireless, Routing, Switching, and Network Security
Solid understanding of networking and security standards, best practices, and methodologies
Experience with SD-WAN management and troubleshooting (Silver Peak preferred)
Working knowledge of cloud networking in AWS and/or Microsoft Azure environments
Familiarity with ServiceNow, Jira, and IT service management workflows
Automation or scripting skills using Python, APIs, or service orchestration tools are highly desirable
Tools & Technologies
Networking: WAN, LAN, Wireless, Switching, Routing, Security
Platforms: Cisco, Fortinet, F5, Arista, Meraki, ClearPass, OperGear
Cloud: AWS, Azure
SD-WAN: Silver Peak
Automation: Python, APIs, Service Orchestration
ITSM: ServiceNow, Jira
Knowledge, Skills & Abilities
Excellent verbal and written communication skills with a strong customer service mindset
Proven troubleshooting and analytical problem-solving abilities
Ability to work independently and collaboratively in a global, cross-functional environment
High ethical standards, accountability, and attention to detail
Strong willingness to learn emerging technologies and continuously develop technical expertise
Ability to build effective relationships across engineering, operations, and management teams
Why Join Thermo Fisher Scientific?
Be part of a global organization driving innovation in science and technology
Work on large-scale, mission-critical network infrastructure
Access continuous learning, technical training, and career growth opportunities
Contribute to solutions that positively impact healthcare, research, and global safety
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