Linux System Administrator

Key Responsibilities

● Contribute to firmware architecture discussions and implement embedded solutions

aligned with product requirements.

● Design, implement, and maintain low-level code (C/C++ and Assembly) for device

drivers, RTOS-based systems, and communication protocols.

● Work with microcontrollers (ARM Cortex-M, RISC-V, etc.), SoCs, and interfaces (UART,

SPI, I2C, USB).

● Participate in board bring-up, debugging, and validation using JTAG/SWD, logic

analyzers, and oscilloscopes.

● Support OTA updates, bootloaders, and watchdog implementations to ensure robust

device operation.

● Collaborate with QA and production teams on testing, DFU flows, and manufacturing

integration.

● Document design specifications, APIs, and debugging procedures for internal use.

● Stay updated on embedded industry practices, toolchains, and frameworks to enhance

development quality.

Qualifications / Skill Set

● Bachelor’s or Master’s degree in Electrical/Electronics Engineering or related field.

● 4–7 years of hands-on experience in embedded systems and firmware development.

● Strong programming skills in C/C++ with familiarity in Assembly.

● Experience with FreeRTOS or similar RTOS.

● Hands-on expertise with STM32, Nordic, or Renesas controllers is a plus.

● Knowledge of power optimization, OTA mechanisms, and firmware security.

● Skilled in debugging embedded systems using JTAG/SWD and related tools.

● Experience with Git-based workflows; scripting knowledge in Python is desirable.

● Prior experience delivering production-grade firmware is an advantage.

Job Summary

We are seeking an experienced Senior System Administrator responsible for managing and maintaining the organisation’s IT infrastructure, including Windows and Linux servers, network devices, security systems, storage solutions, and enterprise applications. The role ensures high availability, security, and performance of all IT systems while supporting business operations.

Key Responsibilities

Server Administration

• Install, configure, and maintain Windows Server environments (Active Directory, DNS, DHCP, Group Policy).
• Manage and maintain Linux machines for application hosting and system services.
• Administer and maintain Application Servers supporting internal business applications.
• Manage and maintain Biometric Servers used for employee attendance and access control systems.
• Monitor server health, performance, and system logs.
• Perform system updates, patches, and security hardening.

Storage and File Services

• Manage and maintain Samba File Servers for shared storage and user access.
• Administer NAS storage systems (Synology), including storage allocation, access permissions, and performance monitoring.
• Ensure proper storage utilisation and secure data access.

Network Infrastructure Management

• Configure and manage Sophos Firewall, including firewall rules, NAT policies, VPN configuration, and threat protection.
• Configure and maintain Cisco and Netgear switches, including VLAN configuration and network segmentation.
• Manage and maintain wireless access points to ensure reliable and secure Wi-Fi connectivity.
• Monitor network performance and troubleshoot connectivity issues.

Proxy and Security Management

• Install, configure, and maintain Proxy Servers for internet access control and monitoring.
• Monitor firewall logs, network security alerts, and implement security policies.
• Ensure network infrastructure is protected against unauthorised access and threats.

Backup and Disaster Recovery

• Implement and manage backup and restore solutions for servers, NAS, and critical business data.
• Perform periodic backup verification and disaster recovery testing.
• Ensure backup policies and schedules are properly maintained.

Power and Infrastructure Management

• Monitor and maintain UPS systems to ensure an uninterrupted power supply for servers and network infrastructure.
• Coordinate with vendors for UPS maintenance, battery replacement, and power infrastructure reliability.

System Monitoring and Troubleshooting

• Proactively monitor servers, network devices, storage systems, and applications.
• Troubleshoot and resolve system, network, and application-related issues.
• Maintain proper documentation of infrastructure configurations and procedures.

Vendor and Infrastructure Coordination

• Coordinate with vendors for hardware procurement, infrastructure support, and service management.
• Plan and implement infrastructure upgrades and improvements.

Required Skills

• Strong experience with Windows Server Administration
• Good knowledge of Linux System Management
• Experience with Sophos Firewall
• Knowledge of Cisco and Netgear networking devices
• Experience with NAS storage (Synology) and Samba File Server
• Experience managing Application Servers and Biometric Systems
• Experience with Backup and Disaster Recovery
• Understanding of network security and monitoring

Job Summary

We are seeking a highly skilled and motivated Linux Device Driver Engineer with strong C/C++ programming skills and hands-on experience in Linux driver development. The ideal candidate will have a proven track record of working with kernel modules and hardware interfaces, and be comfortable debugging and optimizing low-level system software.

Key Responsibilities

• Porting existing Linux device drivers to new platforms, SoCs, and kernel versions.
• New driver development for custom hardware components and peripherals.
• Debugging kernel and driver-level issues using industry-standard tools.
• Integration & bring-up of hardware with Linux-based systems.
• Collaborate with hardware teams to interpret specifications and enable device functionality.
• Optimize drivers for performance, reliability, and resource efficiency.
• Write clear technical documentation for driver APIs, design, and integration steps.

Required Skills & Qualifications

• Bachelor’s/Master’s in Computer Science, Electronics, or related field.
• 4 to 8 years of professional experience in software development.
• Strong proficiency in C/C++ programming and memory management.
• Hands-on experience with any Linux device driver (character, block, network, USB, PCIe, I2C, SPI, etc.).
• Good understanding of Linux kernel architecture, module programming, and build systems.
• Knowledge of interrupt handling, DMA, and device tree configuration.
• Familiarity with cross-compilation and embedded Linux toolchains.
• Experience with debugging tools (GDB, ftrace, perf, printk, etc.).
• Version control experience (Git).

Preferred Skills

• Exposure to multiple driver types (networking, storage, multimedia, etc.).
• Experience with Yocto, Buildroot, or similar embedded Linux environments.
• Knowledge of real-time Linux and RT patches.
• Scripting knowledge (Python, Bash) for testing and automation.

Soft Skills

• Strong analytical and debugging skills.
• Good communication and collaboration abilities.
• Ability to work independently and take ownership of deliverables.

Embedos is looking for super heroes, who can help us succeed in our endeavour of becoming a beacon for providing problem solving Industrial IoT Solutions.

Location: MUMBAI

VACANCY: 3 - 4

Embedos makes Controllers –Interface devices and cloud based Software solutions for Remote Monitoring and Control, Industry 4.0 Applications.

We are looking for Engineering super heroes, who have a flare and interest in Core hardware / firmware / embedded software/ Networking and web technologies.

We would want engineers who have wide interests and want to work on multiple specializations. Functions in the embedded domain

• Hardware design small signal /Tele communication/interface electronics/Digital /Latest Microprocessors STM , ESP ,interfaces , I2C, SPI / Peripherals / Schematics /PCB Routing

• Programming languages for embedded devices respective IDEs s, debugging systems

• RTOS, Real time programming concepts.

• Linux Kernel programming, peripheral drivers.

• Communication protocols like Modbus, CAN, OPC other industrial protocols.

• Open source software, documentation, versioning systems.

• Web technology, Web applications, Networking technology, Cloud Interfacing.

We invite you to come and join in our Core team to make this endeavour a success and share the rewards.

Embedos is looking for Super Heroes to work on cutting edge technology involving interfacing IoT enabled Firmware, cloud computing software, generating exciting user interfaces, developing API’s, designing web app architectures, deploying re - usable code and the works.

Job Overview:

We are seeking a talented Android Framework Engineer to join our development team at Primebook. As an android framework developer, you would be responsible for development, coding, testing and debugging of system features and system apps of PrimeOS, driving technical excellence, and shaping the direction of our products. You will work closely with our CTO to create cutting-edge features that meet user needs and business goals.

Key Responsibilities:

• Understand product requirements and translate them into technical requirements.
• Create secure and high-quality production level code that runs well with different android versions and devices with different screen sizes.
• Development and debugging of android framework components like SystemUI, PhoneWindowManager, Settings database etc.
• Should be capable of developing applications from scratch, debug and fix issues quickly when they are found.
• Collaborate with various teams (Product, Design & Testing) to develop and ship new features.
• Should be able to write scalable and efficient code for handling the load of 100k+ users.
• Ensure the best possible performance, quality, and responsiveness of the application, good knowledge of threads in android is necessary.
• Excellent debugging skills, including identifying memory leaks, performance bottlenecks, and using tools like ADB, proguard, etc

Qualifications:

• A “Bring It On” attitude; bias for action; self-driven, end-to-end ownership; entrepreneurial approach; focus on operational excellence; ability to work with ambiguity.
• B.tech degree in Computer Science or equivalent
• 3-5 years of experience with portfolio of work to show the skill set
• Should have developed at-least 2-3 android apps from scratch
• Experience in compiling AOSP and solving common build errors is a must have
• Should have experience working with SystemUI and android framework_base
• Excellent knowledge of Java, Kotlin, MVVM architecture
• Experience with popular libraries (Jetpack, Retrofit, Glide, OkHttp, Gson etc.)
• Experience with RESTful APIs to connect Android applications to backend services
• Must be good at building logics and working with data structures

Perks and Benefits:

Job type: On-site, 5 days a week

Industry Type: Computer Hardware Manufacturing

Functional Area: Testing And Development

Employment Type: Full Time, Permanent

Salary: Upto 20 Lacs (depends on skill)

As a partial Google-acquired company, we’re proving success doesn’t come by accident.

Benison has a history of demonstrating growth by innovation. We re-invest our profits back into the initiatives for growth of our people and the company. The culture, technology innovations, customer service, our actions are aligned to our values. Our value and culture is the reason why our people stay with Benison much longer than industry standards

Get the best from your life with Benison

Join the Benison Developer Family*

Benison Technologies is filled with passionate people who lead fascinating lives. You’ll fit right in. From the amazing benefits, mentorship, growth opportunities and team bonding activities, we help you thrive while experiencing the Benison life.

Roles & Responsibilities

• Develop detailed software functional specification, articulate system/software architecture specifications for product features to meet product requirements

• Design and implement new functions mainly in C/C++

• Work on Networking and security modules in L4-L7

• Peer code reviews

• Write unit tests using C++

Requirements

• Experience 4 - 20 years within SW development

• Excellent C/C++ and object-oriented programming skills

• Excellent design analysis skills, including experience with software modeling,

• high-availability, software reuse, performance, testability, and extensible

• Excellent Networking programming skills on Linux L4- L7

• Structured and thorough with analytical and troubleshooting skills

• Highly motivated team player

• Agile way of working

Type of work

L4 - L7 Developer

For more information you may visit *

https://benisontech.com/" target="_blank">https://benisontech.com/

Want to work with an established & growing IT company? Join team Benison to have the right challenges that will help you accelerate your career growth to the next level, faster!   

Benison Technologies was started in 2011 with a mission to revolutionize the silicon industry in India, with a host of amazing big clients like Google, Cisco, McAfee, Intel, and so on, you get to experience the best of both worlds. If you consider yourself an engineer who is capable to join our ever-growing team, then this is the right opportunity for you:  

Why Benison Tech?   

We have a partial acquisition from one of the biggest names in the world (well we can’t name them thanks to confidentiality) it’s one of the FAANG companies, and you can “Google” it if you like.  

Oh! & one more thing, this did not happen by accident, our team put a ton of efforts to turn this gigantic dream into a reality.  

Benison Tech has a consistent history of demonstrating growth through innovation time and again.   

We don’t stop there, we then re-invest our profits back into the initiatives for the growth of our people, our culture and the company. Now enough with us, let’s talk about the job roles & responsibilities:    

What you will be working on: 

• You will be working on the next generation network security products, on various public clouds. 
• In addition to development, you will also get your hands involved in the architectural changes while fixing the legacy issues. 
• Planning, designing, integration for network security platforms. 

• Key contributor for developing product strategies and features. 
• You will work on hardcore data networking/forwarding areas while acquiring in depth knowledge in DPDK and VPP. 

Here are some technical skills required:  

• Programming languages : C/C++ 

• Work exp on DPDK and packet forwarding area. 
• Good understanding of Linux Kernel, Networking stack in the kernel. 
• Exposure to clouds like AWS, GCP is a big plus. 
• Understanding/Exposure to VPP is a big plus. 
• Strong in packet forwarding, Tunneling (IPsec, GRE, VxLAN) etc. 

What we expect from you:  

• 2+ years of relevant experience 
• Design, Develop & test the various features in dpdk, VPP based system Interact with the customer to help in defining the features, execute and deliver them 
• Mentor the junior team members. 

• Participate in code-reviews and ensure the quality of deliverables. 

If the above fits your skill-sets and tickles your interest then read below about the additional benefits that our company offers to talented folks like you:  

Work Culture and Benefits    

• Competitive salary and benefits package  
  (H1-B which means a chance to work onsite out of India)   
• A culture focused on talent development where you get promoted within the quarterly cycle of your anniversary. 
• Opportunity to work with cutting-edge & challenging technologies including legacy tech. 
• Open cafeteria to grab some munchies while you work, we make sure the space feels like your second home, you can also wear pyjamas if you like.   
• Employee engagement initiatives such as project parties, flexible work hours, and long service awards, team bonding activities within the company, extra learning and personal development trainings, because why stop your learning at one thing!   

• Insurance coverage: Group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and your parents. (With some of the best insurance partners in India)  
• Enjoy collaborative innovation (each members gets to innovate & think out of the box), along with highly experienced team managers who maintain diversity and work-life well-being.  
• And of course, you get to work on projects from some of the most recognised brands within the networking and security space of the world, unlocking global opportunities to learn, grow & contribute in a way that is truly impactful yet purposeful at the same time.  

Still not satisfied, and want more proof?  

Head to our website https://benisontech.com/">https://benisontech.com to learn more.  

You would be part of:

1. Designing/Improvement of new/existing architectures of distributed computing with subcomponents of Unmanned Aerial Systems (UAS).
2. Working/Researching with industrial state of the art sensor systems and modules, and developing drivers (HAL or wrapper) and applications around their usage.
3. Design and implementation of communication protocols between different subcomponents of UAS for distributed computing.
4. Writing Applications and Drivers from the scratch for (embedded)linux based systems.
5. Scripting and automations around work flows of UAS usage.
6. Working with existing sophisticated software stacks of subcomponents of UASs.
7. Working closely with electronics, design and systems teams for architecture development and deployment.
8. Working closely with Flight Controller engineers to do collaborative development of UAVs.

We expect you to be:

1. Experienced in hands-on development of complex embedded systems involving multiple microcontrollers or SoCs.
2. Very good in analytical abilities to be able to do core research and development activities.
3. Able to write low level drivers (wrapper or core) from the scratch.
4. Very comfortable reading and understanding datasheets and reference manuals of microcontrollers, peripherals, sensors etc.
5. Able to understand existing complex embedded software stack written in C/C++.
6. Solid in C.
7. Good in C++.
8. Comfortable with using hardware debuggers.
9. Having Hands-On experience with RTOS concepts like scheduling, threads synchronicity , race conditions etc.
10. Having Solid understanding of interrupt mechanisms.
11. Experienced in working with different hardware protocols like SPI, I2C, UART, PWM, CAN, USB etc.
12. Having Solid understanding of interrupts architecture of ARM based microcontrollers like STM32, LPC etc.
13. Having Good understanding of the concept of bootloaders.
14. Able to multitask.
15. A self-motivated and motivating personality who can work well independently as well as part of a team
16. Having good interpersonal and soft skills who can adapt to the work environment while manifesting a good positive attitude

You are awesome if you are:

1. Experienced in Linux Device Driver development.
2. Having good exposure of working on and understanding of any sensor modules like GPS, LIDAR etc.
3. Experienced in data filtering techniques (Example: Kalman filter)

Position Overview:

This position is part of highly skilled fimrware team that do software board bring up of bare silicon for next generation products. In order to write system software for embedded electronic products, this position requires academic background in electronics engineering to understand hardware concepts such as digital logic, schematics, and microprocessor communications to develop effective embedded software.

Candidate should have complete knowledge of Software development cycle from architecture definition to the implementation.

Responsibilities:

• Must wear multiple hats from analyzing field and factory reported issues to software integration.
• Be a liason for troubleshooting and debugging complex systems and identifying the root cause.
• Develop detailed design documents and customer facing application notes for the system and IOT features for Mobile routers.
• Act as a product lead and be part of bigger team in software bring up.   
• Ability to work on Low level software such as bootloaders and understanding of low level functional blocks is a must.
• Work on Linux kernel and configuration.
• Write or port device drivers for Ethernet, USB, GPIO, LED, Bluetooth, Accelormeter, LCD and touch screen.
• Debug stability issues in data routing between WAN and LAN interfaces.
• Work with Software QA with test plan and execution.
• Work with Hardware team to identify and root cause stability problems.

Experience/Requirements:  

• Demonstrable knowledge of C, C++, Assembly programming skills
• Overall 10+ years of experience in embedded environment preferabily Linux.
• Board bring up proficiency with bootloaders and other low level software, must be very good with debugging techniques.
• Experience in TCP/IP networking is must for trouble shooting throughput and other traffic issues.
• Driver experience with I2C, SPI, UART, LCD, Ethernet, PCIe is a plus.
• Experience with low level debugging using JTAG.
• Experience with Makefiles, and build environments such as PTXDIST, Yocto and Buildroot.    
• Experience with version control such as git and svn.
• Good communication skills and team player.
• Ability to work independently and autonomously to meet deadlines, in a fast-changing environment.

Education: