Network Engineer

About Persistent We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what?s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem. Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We reported $1,654.4M FY26 revenue with 17.4% Y-o-Y growth. We have delivered 24 sequential quarters of growth with $436.0M in Q4 FY26 revenue, up 3.2% Q-o-Q and 16.2% Y-o-Y growth. Our 27,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been recognized as the Fastest Growing IT Services Brand Globally in the 2026 Brand Finance IT Services 25 Report. We named a Leader in the Everest Group Private Equity (PE) Services PEAK Matrix? Assessment 2026 and Software Product Engineering PEAK Matrix? Assessment 2026. About Position: The successful candidate will be part of the SaaS operations team for PSL Connected Vehicle Insights offering. You will help maintain and support the SaaS offering which is provided as a dedicated SaaS for each customer. You will have a key role in the operations team helping define and implement process to maintain security and compliance, performing day-to-day deliveries and operations on SaaS.
• Role: Senior Network Engineer
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Location:
Tokyo Japan
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Experience:
10 + Years
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Job Type
Full Time Employment
• Mandatory Mention 3

skills:
in Site Reliability Engineering (SRE), DevOps, Cloud Operations, and Production Support for large-scale enterprise SaaS platforms.

What You'll Do
• Execute day-to-day tasks on SaaS as part of the global operation team members in multiple geographies to keep providing 24x7 support for our customers.
• Communicate with customers (typically with the IBM’s Consulting service team) to solve customer's issues or handle specific requirements for customizations (e.g. custom plug-in deployment) to tailor the service
• Manage SaaS inventories and security fixes (e.g. kernel/non-kernel OS level patches).
• On-call support including pager duty alert handling as both first and second responders Preferred Experience
• Strong knowledge of IBM Maximo, WebSphere Liberty, DB2, Hadoop, and other enterprise application platforms.
• Hands-on experience troubleshooting complex issues across application, middleware, database, cloud, and infrastructure layers.
• Experience implementing and driving Site Reliability Engineering (SRE) practices, reliability frameworks, and operational excellence programs.
• Familiarity with Kubernetes, container platforms, cloud-native technologies, and modern observability solutions.
• Experience leading cloud migration, operational modernization, and automation initiatives within enterprise environments.
• Exposure to Open Telemetry, APM platforms, observability engineering, and enterprise monitoring frameworks is highly desirable.
• Experience working with global customers, particularly in the Japan region, and working with multicultural operational teams.
• Instrumental in driving end to end Cloud migration project involving complex integrations.
• Strong architectural understanding of cloud-native platforms and distributed systems, with proven experience partnering with Architects and leading DevOps teams to enhance reliability, automation, observability, and platform scalability.
• Networking certifications (CCNA / CCNP, AWS Certified Advanced Networking Specialty, or IBM Cloud Solution Architect / Network Specialty) and deep experience in network packet inspection, flow analysis, and protocol troubleshooting using tcpdump and Wireshark. Expertise You'll Bring: Required Technical and Professional Expertise
• 15+ years of experience in Site Reliability Engineering (SRE), DevOps, Cloud Operations, and Production Support for large-scale enterprise SaaS platforms.
• Excellent verbal and written communication skills with the ability to collaborate effectively across engineering, product management, operations, and customer teams.
• Strong analytical, troubleshooting, and problem-solving skills with a focus on operational excellence and continuous improvement.
• Extensive experience managing mission-critical production environments, ensuring high availability, performance, reliability, and operational stability.
• Proven experience in Incident Management, Major Incident Response, Problem Management, and 24x7 On-Call Operations using tools such as PagerDuty.
• Strong expertise in Linux administration, Java/JVM performance analysis, networking, security, and cloud infrastructure, including IBM Cloud Virtual Servers (VSI) and Bare Metal environments.
• Deep understanding of DevOps practices, Infrastructure as Code (IaC), automation, CI/CD pipelines, and operational tooling using technologies such as Python, Bash, Ansible, Elastic Stack, and InfluxDB.
• Experience implementing observability and monitoring solutions, including metrics, logging, tracing, alerting, and capacity planning.
• Strong understanding of IoT-based products and platforms, preferably Connected Vehicle Insights (CVI) or similar connected ecosystem solutions.
• Collaborate closely with Product Management, Engineering, Architecture, and Business stakeholders to drive operational readiness, service reliability, and customer success.
• Lead operational reviews, root cause analysis (RCA), service improvement initiatives, and post-incident management activities.
• Mentor and coach junior engineers, SREs, and DevOps team members, enabling rapid skill development and fostering a culture of ownership and accountability.
• Ability to effectively communicate and coordinate with Japanese customers, global stakeholders, and offshore delivery teams.
• Experience defining and managing Service Level Indicators (SLIs), Service Level Objectives (SLOs), Error Budgets, and Reliability Engineering best practices.
• Strong leadership skills with the ability to manage technical escalations, drive cross-functional collaboration, and lead operational transformation initiatives.
• In-depth hands-on experience in Cloud & Hybrid Networking across IBM Cloud VPC and AWS: Transit Gateway (multi-VPC routing), Direct Link / Direct Connect (dedicated private connectivity), VPN Gateways, VPC Peering, Subnets, Routing Tables, and Route 53 / Cloud DNS (A/AAAA/CNAME/TXT).
• Solid understanding of core networking protocols and routing: TCP/IP stack tuning, UDP, BGP (peering, multi-homing, route filtering), OSPF, VLAN/VXLAN, GRE, IPsec, and L4–L7 application protocols.

Benefits:
• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
• Opportunity to work with cutting-edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Annual health check-ups
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents Values-Driven, People-Centric & Inclusive Work Environment: Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds. We support hybrid work and flexible hours to fit diverse lifestyles. Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities. If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment Let’s unleash your full potential at Persistent
- persistent.com/careers Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.?