Senior Network Engineer

Sandisk; Bengaluru; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

Sandisk is seeking an experienced Global Network Engineer in Bengaluru to design, deploy, and maintain regional and corporate network infrastructure for high performance and reliability. You will support LAN/WAN, firewall, SD‑WAN and wireless systems across manufacturing and office sites.

The role requires 8+ years of hands-on experience with BGP/OSPF, QoS, VPNs, security policies, and multi-vendor environments (Arista, Cisco). Strong documentation and collaboration across IT teams are essential.

Qualifications

• 8+ years of experience in deploying and operating large global enterprise networking infrastructure.
• Extensive experience in IP networking, L2/L3 network protocols (spanning-tree, OSPF, BGP), TCP/IP, DHCP, DNS, end-to-end QoS, VLAN, VRRP, LACP, LAG, ACL, NAC, and infrastructure cabling.
• Extensive experience in a multi-vendor environment including Arista and Cisco.
• Bachelor’s Degree and 8+ years professional experience in Network Routing, Switching, Firewall and Campus Wireless.
• Hands‑on experience and in-depth knowledge in networking technologies/solutions including BGP, OSPF, SD‑WAN, VLAN, Spanning Tree, EtherChannel, QoS, DHCP, and DNS.
• Extensive experience with NextGen firewall services including IPSEC VPN, and IPS/IDS, advanced threat defense, security policies.
• Experience with various tools such as SNMP, NetFlow, IPAM, RADIUS, and Splunk.
• Proficiency in version control, configuration management (Git/Ansible), and network automation to contribute effectively in a fast‑paced deployment environment.
• Good documentation skills including creating and maintaining network diagrams.
• Good project management, analytical, and problem determination/resolution skills.
• Strong interpersonal skills and the ability to establish professional working relationships with varying levels of both business and technical personnel.

Responsibilities

• Plan, deploy, manage, optimize, and troubleshoot global network infrastructure at Corporate and manufacturing locations to meet the business requirements and growth demands, ensuring availability and performance.
• Support complex Manufacturing/Office LAN, WAN, Firewall, SD-WAN and wireless infrastructure.
• Implement changes to hardware and/or software that improve network performance, speed, and connectivity.
• Troubleshoot network issues related to BGP, SD-WAN, VLAN, Spanning Tree, Security, network hardware/software, wireless, DHCP, DNS, etc.
• Align with the Global Network architecture team to incorporate company standards and preferred practices into regional site network builds.
• Ensure that global network infrastructure is properly monitored. Act as a network engineering point of contact and Subject Matter Expert to respond to network incidents/service requests according to Service Level Agreements.
• Partner with Security or Cyber Defense team to fix detected vulnerabilities with systems and users to maintain high security standards.
• Interact/communicate with vendors, service providers, peers, stakeholders, and business units for effective integration/operations of services and systems.
• Lead, plan and participate in IT projects and Maintenance Window activities.
• Maintain close collaboration with other global IT functional teams.
• Create and maintain complex network documentation and self-manage projects.

Skills

IP Networking

BGP

OSPF

SD-WAN

VLAN

Spanning Tree

DHCP/DNS

TCP/IP

Network Automation

Git/Ansible

Education

Bachelor's Degree in Networking

Tools

SNMP

NetFlow

IPAM

RADIUS

Splunk

Job description

Company Description

AtSanDisk, our vision is to power global innovation and push the boundaries of technology to make what you thought was once impossible, possible.

At our core, SanDisk is a company of problem solvers. People achieve extraordinary things given the right technology. For decades, we’ve been doing just that. Our technology helped people put a man on the moon.

We are a key partner to some of the largest and highest growth organizations in the world. From energizing the most competitive gaming platforms, to enabling systems to make cities safer and cars smarter and more connected to powering the data centers behind many of the world’s biggest companies and public cloud, SanDisk is fueling a brighter, smarter future.

Binge-watch any shows, use social media or shop online lately? You’ll find SanDisk supporting the storage infrastructure behind many of these platforms. And, that flash memory card that captures and preserves your most precious moments? That’s us, too.

We offer an expansive portfolio of technologies, storage devices and platforms for business and consumers alike. Our data-centric solutions are comprised of the SanDisk®, G-Technology™, SanDisk® and WD® brands.

Today’s exceptional challenges require your unique skills. It’s You & SanDisk. Together, we’re the next BIG thing in data.

Job Description

You will be part of our Global Network engineering team responsible for implementing, maintaining, and optimizing our regional/local network infrastructure, ensuring high network performance/reliability, and delivering critical network services to meet business goals.

Essentials Duties And Responsibilities

• Plan, deploy, manage, optimize, and troubleshoot global network infrastructure at Corporate and manufacturing locations to meet the business requirements and growth demands, ensuring availability and performance.
• Support complex Manufacturing/Office LAN, WAN, Firewall, SD-WAN and wireless infrastructure.
• Implement changes to hardware and/or software that improve network performance, speed, and connectivity.
• Troubleshoot network issues related to BGP, SD-WAN, VLAN, Spanning Tree, Security, network hardware/software, wireless, DHCP, DNS, etc.
• Align with the Global Network architecture team to incorporate company standards and preferred practices into regional site network builds.
• Ensure that global network infrastructure is properly monitored. Act as a network engineering point of contact and Subject Matter Expert to respond to network incidents/service requests according to Service Level Agreements.
• Partner with Security or Cyber Defense team to fix detected vulnerabilities with systems and users to maintain high security standards.
• Interact/communicate with vendors, service providers, peers, stakeholders, and business units for effective integration/operations of services and systems.
• Lead, plan and participate in IT projects and Maintenance Window activities.
• Maintain close collaboration with other global IT functional teams.
• Create and maintain complex network documentation and self-manage projects.

Qualifications

Required Skills:

• 8+ years of experience in deploying and operating large global enterprise networking infrastructure.
• Extensive experience in IP networking, L2/L3 network protocols (spanning-tree, OSPF, BGP), TCP/IP, DHCP, DNS, end-to-end QOS, VLAN, VRRP, LACP, LAG, ACL, NAC, and infrastructure cabling.
• Extensive experience in a multi-vendor environment including Arista and Cisco.
• Bachelor’s Degree and 8+ years professional experience in Network Routing, Switching, Firewall and Campus Wireless.
• Hands‑on experience and in-depth knowledge in networking technologies/solutions including BGP, OSPF, SD‑WAN, VLAN, Spanning Tree, EtherChannel, QoS, DHCP, and DNS.
• Extensive experience with NextGen firewall services including IPSEC VPN, and IPS/IDS, advanced threat defense, security policies.
• Experience with various tools such as SNMP, NetFlow, IPAM, RADIUS, and Splunk.
• Proficiency in version control, configuration management (Git/Ansible), and network automation to contribute effectively in a fast‑paced deployment environment.
• Good documentation skills including creating and maintaining network diagrams.
• Good project management, analytical, and problem determination/resolution skills.
• Strong interpersonal skills and the ability to establish professional working relationships with varying levels of both business and technical personnel.
• A great teammate, a fast learner, with a focus on getting stuff done.

Preferred Skills

• Working knowledge of Wireless and Infoblox‑DDI is a huge plus.
• Good understanding of network design practices from small offices to large campuses is a plus.
• Good understanding of data center networking technologies is a plus.
• Experience working in a manufacturing environment is a plus.
• Technical certifications such as CCNP/CCIE or equivalent are preferred.

Additional Information

Sandisk is committed to providing equal opportunities to all applicants and employees and will not discriminate against any applicant or employee based on their race, color, ancestry, religion (including religious dress and grooming standards), sex (including pregnancy, childbirth or related medical conditions, breastfeeding or related medical conditions), gender (including a person’s gender identity, gender expression, and gender‑related appearance and behavior, whether or not stereotypically associated with the person’s assigned sex at birth), age, national origin, sexual orientation, medical condition, marital status (including domestic partnership status), physical disability, mental disability, medical condition, genetic information, protected medical and family care leave, Civil Air Patrol status, military and veteran status, or other legally protected characteristics. We also prohibit harassment of any individual on any of the characteristics listed above. Our non‑discrimination policy applies to all aspects of employment. We comply with the laws and regulations set forth in the “Know Your Rights: Workplace Discrimination is Illegal” poster. Our pay transparency policy is available here.

Sandisk thrives on the power and potential of diversity. As a global company, we believe the most effective way to embrace the diversity of our customers and communities is to mirror it from within. We believe the fusion of various perspectives results in the best outcomes for our employees, our company, our customers, and the world around us. We are committed to an inclusive environment where every individual can thrive through a sense of belonging, respect and contribution.

Sandisk is committed to offering opportunities to applicants with disabilities and ensuring all candidates can successfully navigate our careers website and our hiring process. Please contact us at [e-mail] to advise us of your accommodation request. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.

Based on our experience, we anticipate that the application deadline will 05/28/2025 (3 months from posting), although we reserve the right to close the application process sooner if we hire an applicant for this position before the application deadline. If we are not able to hire someone from this role before the application deadline, we will update this posting with a new anticipated application deadline.