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Job Title: Senior Linux Kernel Engineer

Experience: 5–10 Years

Location: Bangalore / Chennai

Domain: Enterprise Linux / Kernel Development

Job Summary

We are seeking a highly skilled Senior Linux Kernel Engineer with deep expertise in kernel development, debugging, and performance optimization. The role involves working on enterprise-grade Linux distributions, kernel lifecycle management, security patching, and low-level hardware integration.

Key Responsibilities

1. Kernel Lifecycle & Maintenance

• Lead kernel upgrade strategies (e.g., LTS migrations such as 5.15 → 6.x) while ensuring stability and compatibility.
• Perform patch porting across kernel versions, resolving API and dependency conflicts.
• Track and mitigate security vulnerabilities by monitoring CVEs and upstream sources (e.g., LKML).
• Backport critical fixes to production kernels without impacting system stability.

2. Debugging & System Stability

• Act as an escalation point for kernel panics and system crashes.
• Perform post-mortem analysis using kdump, crash, and gdb.
• Debug early boot issues (UEFI, initramfs, kernel initialization).
• Conduct performance analysis using eBPF, ftrace, and perf to optimize system behavior.

3. Driver Development & Hardware Integration

• Design, develop, and maintain device drivers (network, storage, GPU, or character devices).
• Work closely with hardware through DMA, interrupts (MSI-X), and register-level programming.
• Maintain out-of-tree drivers using DKMS or similar frameworks.
• Ensure compatibility of drivers across kernel updates.

Required Technical Skills

• Programming: Strong expertise in C (mandatory) and C++
• Kernel Internals: Deep understanding of:
• Virtual File System (VFS)
• Memory Management (MMU, Paging)
• Process Scheduler
• Linux Networking Stack
• Debugging Tools:
• kdump, crash, gdb
• kprobes, trace-cmd, ftrace
• perf, valgrind
• Hardware debugging tools (JTAG, Serial Console)
• Build Systems:
• Kbuild, Makefiles
• Kernel packaging (RPM/Debian)
• Security:
• Experience with CVE patching and backporting
• Knowledge of SELinux/AppArmor
• Kernel hardening (FIPS, KSPP)

Preferred Skills

• Experience contributing to open-source kernel projects
• Familiarity with Linux Kernel Mailing List (LKML) workflows
• Exposure to enterprise Linux distributions (RHEL, Ubuntu, SUSE)
• Experience with performance tuning and system optimization at scale

1. Core Programming (C Language)

• Must have strong hands-on experience in C programming
• Comfortable with pointers, memory management, and low-level concepts

2. Kernel Internals Expertise

• Should have worked in at least one subsystem:
• VFS / File Systems
• Memory Management
• Scheduler / Networking

3. Debugging & Crash Analysis

• Experience handling kernel panics
• Hands-on with vmcore analysis tools

4. Security & Patching

• Understanding of CVE fixes and backporting

5. Driver Development

• Experience in writing or maintaining device drivers

6. Performance & Advanced Debugging

• Exposure to eBPF, ftrace, perf

7. Hardware-Level Understanding

• Knowledge of DMA, interrupts, hardware interaction

Soft Skills

• Strong analytical and problem-solving abilities
• Excellent communication skills
• Ability to work independently and in collaborative environments
• Quick learner with adaptability to new technologies

Key Responsibilities:

• Design, develop, and maintain Java-based applications using best practices and modern frameworks.

• Integrate and manage AWS services such as EC2, S3, RDS, Lambda, and CloudFormation.

• Develop RESTful APIs and microservices architecture to support scalable and robust applications.

• Implement CI/CD pipelines using tools like Jenkins, Git, and Docker to automate deployment processes.

• Monitor and troubleshoot application performance, defect triaging, and reliability issues, providing timely support and resolution.

• Collaborate with cross-functional teams to gather requirements, design solutions, and deliver high-quality software.

• Conduct code reviews and ensure adherence to coding standards and best practices.

• Stay updated with the latest industry trends and AWS services to continuously improve our technology stack.

Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

• 5-7 years of experience in Java development, with a strong understanding of object-oriented programming and design patterns.

• Proficiency in AWS services such as EC2, S3, RDS, Lambda, CloudFormation, etc.

• Experience with Spring Boot and other Java frameworks.

• Strong knowledge of SQL and NoSQL databases.

• Familiarity with containerization technologies like Docker and Kubernetes.

• Experience with CI/CD tools and processes.

• Excellent problem-solving skills and the ability to work independently and as part of a team.

• Strong communication skills and the ability to articulate technical concepts to non-technical stakeholders.

Years of Experience required: 4 years (Min)

 Mandatory:-

·  At least 3 years of experience in database or BI developer role

·  Microsoft accreditation(s) preferred

·  Proficient at design and development of ETL using MS SQL Integration Services (SSIS)

·  Experience with common ETL Design Patterns

·  Proficient at writing T-SQL, stored procedures and functions

·  Proficient with analysis of data quality and data profiling

·  Experience with writing technical documentation and communicating database design

·  Experience working with an Agile team to create and develop operational processes and software

·  Experience developing ETL of OLTP data for analytical/BI reporting; ability to perform as OLTP DBA is a plus

·  Proficient in Excel BI Tools, XML, JSON and Version Control Systems (TFS experience is a plus)

·  Experience in OLAP schema modeling for DWH

·  Tableau desktop and Server experience is a plus.

About Hubstream

Hubstream is the world’s Investigation Operating System. Hubstream software manages hundreds of thousands of investigative leads and cases for federal governments and private companies. Our tools effectively separate low and high-value cases and build intelligence databases that help resolve future reports. Many of the most critical cases lead to arrests, rescues, website takedowns, and the publication of high-profile investigative reports.

As a Development Manager, you will need to manage the team effectively and make sure that team members are delivering to their full potential by continuously monitoring, mentoring, and guiding them both technically and personally to grow in their careers. Your performance will be measured against each team member's delivery, keeping employee morale high at work, mentoring them to grow in their career, and retaining the employee in the organization.

What you will do at Hubstream:

·       Manage Software Development project activities for multiple projects across all project phases, including initiation, planning, execution, monitoring, control, and closure.

·        Work collaboratively with development team, lead architect and the CTO to determine technical direction and approach to system design and implementation.

·       Manage the day-to-day activities of projects and staff; communicate with project teams as necessary to ensure project deliverables are on schedule and within cost parameters.

·       Make recommendations to management about schedules, prioritization, and resource allocation with input from team members.

·       Manage resource planning and organizational capacity planning.

·       Coach and train project team members on Software Development processes and best practices.

·       Providing continuous guidance and direction to the Leads to meet the client delivery & commitment.

·       Periodically conduct the meeting with the Senior Management and update the status of the delivery.

·       Regularly conduct individual team meetings to understand the need of the Team(s) and make sure they are met.

·       Develop a superior workforce and increase the efficiency of the team.

·       Periodically review the performance of each team member(s) and provide feedback to improve.

·       Conduct the year-end performance appraisal to all the team members and give the correct rating without any bias towards any employee.

·       Had experience in the Performance Improvement Program for those employees who are underperforming and continuously mentor and monitor to improve their performance.

Relevant experience includes:

·       Project Scoping

·       Controlling Process

·       Resource planning and team staffing

·       Project Management

·       People Management

·       Performance Review & Appraisal Process

·       Performance Improvement Program

Skills/Qualification:

·       B.E/B.Tech/M.Tech/MCA with good CPGA from reputed colleges/Institutes in India.

·       6 to 8 years delivery of consulting or professional services, or as a people manager.

·       Minimum 5 years of experience in a technology environment, including 2-3 years of practical professional experience in project management.

·       Minimum 5+ years of Software development experience in C#, T-SQL is a bonus.

·       Minimum 5+ years of experience in Client Interaction directly or indirectly.

·       Demonstrated experience in leading cross-functional project teams.

·       Have very good communication skills both verbal and non-verbal communications.

·       Flexible to work in different time zones like Australia, Europe & US Time zone based on the Customer's need.

·       Ability to learn and grasp concepts quickly in a fast-paced environment and guide the Team.

·       Ability to be self-directed and work with minimal supervision.

·       Strong interpersonal skills that demonstrate your knowledge, passion, and commitment to partnering with the team to help them work better.

·       Working knowledge of the Microsoft development tools (Windows / SQL Server / Visual Studio) is a value addition.

·       Demonstrated ability to work on a distributed or remote team is highly preferred.

Job Purpose :

Working with the Tech Data Sales Team, the Presales Consultant is responsible for providing presales technical support to the Sales team and presenting tailored demonstrations or qualification discussions to customers and/or prospects. The Presales Consultant also assists the Sales Team with qualifying opportunities - in or out and helping expand existing opportunities through solid questioning. The Presales Consultant will be responsible on conducting Technical Proof of Concept, Demonstration & Presentation on the supported products & solution.

Responsibilities :

• Subject Matter Expert (SME) in the development of Microsoft Cloud Solutions (Compute, Storage, Containers, Automation, DevOps, Web applications, Power Apps etc.)
• Collaborate and align with business leads to understand their business requirement and growth initiatives to propose the required solutions for Cloud and Hybrid Cloud
• Work with other technology vendors, ISVs to build solutions use cases in the Center of Excellence based on sales demand (opportunities, emerging trends)
• Manage the APJ COE environment and Click-to-Run Solutions
• Provide solution proposal and pre-sales technical support for sales opportunities by identifying the requirements and design Hybrid Cloud solutions
• Create Solutions Play and blueprint to effectively explain and articulate solution use cases to internal TD Sales, Pre-sales and partners community
• Support in-country (APJ countries) Presales Team for any technical related enquiries
• Support Country's Product / Channel Sales Team in prospecting new opportunities in Cloud & Hybrid Cloud
• Provide technical and sales trainings to TD sales, pre-sales and partners.
• Lead & Conduct solution presentations and demonstrations
• Deliver presentations at Tech Data, Partner or Vendor led solutions events.
• Achieve relevant product certifications
• Conduct customer workshops that help accelerate sales opportunities

Knowledge, Skills and Experience :

• Bachelor's degree in information technology/Computer Science or equivalent experience certifications preferred
• Minimum of 7 years relevant working experience, ideally in IT multinational environment
• Track record on the assigned line cards experience is an added advantage
• IT Distributor and/or SI experience would also be an added advantage
• Has good communication skills and problem solving skills
• Proven ability to work independently, effectively in an off-site environment and under high pressure

What's In It For You?

• Elective Benefits: Our programs are tailored to your country to best accommodate your lifestyle.
• Grow Your Career: Accelerate your path to success (and keep up with the future) with formal programs on leadership and professional development, and many more on-demand courses.
• Elevate Your Personal Well-Being: Boost your financial, physical, and mental well-being through seminars, events, and our global Life Empowerment Assistance Program.
• Diversity, Equity & Inclusion: It's not just a phrase to us; valuing every voice is how we succeed. Join us in celebrating our global diversity through inclusive education, meaningful peer-to-peer conversations, and equitable growth and development opportunities.
• Make the Most of our Global Organization: Network with other new co-workers within your first 30 days through our onboarding program.
• Connect with Your Community: Participate in internal, peer-led inclusive communities and activities, including business resource groups, local volunteering events, and more environmental and social initiatives.

Don't meet every single requirement? Apply anyway.

At Tech Data, a TD SYNNEX Company, we're proud to be recognized as a great place to work and a leader in the promotion and practice of diversity, equity and inclusion. If you're excited about working for our company and believe you're a good fit for this role, we encourage you to apply. You may be exactly the person we're looking for!