
- 8+Years of Exp in C++ Developement
Software: C++, Jenkins, Visual Studio, Linux, CheckMarx, GitHub, Google test framework.
Application Architecture: Scalable, Resilient, Cloud deployable, high performance based.
DB: Oracle
Libraries: CPLEX (knowledge of CPLEX is a plus)

About Devrabbit It Solutions Pvt LTD
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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 Title:
Telephony Engineer
Job Description:
- Support the operations team with debugging issues related to the telephony platform
- Identify issues with calls using monitoring and analysis tools such as VoIPMOnitor
- Write scripts to automate tasks, monitor the services and functionalities
- Contribute to the improvement of the system by providing ideas
- Help with capacity planning
- Perform the scheduled maintenance activities
- Modify the existing code to accommodate new features
Experience Range:
3- 6 years
Educational Qualifications:
Any graduation,
Job Responsibilities:
• Knowledge of open source technologies, VoIP, SIP, WebRTC etc.
• Shell scripting.
• Experience in Asterisk and Kamailio or OpenSIPS.
• C/C++ or JS programming with Linux.
• 5-8 years experience.
• Good communication skills.
• Willingness to work in the night, whenever required, for handling support related issues.
Skills Required:
ViOP, OpenSIPS, SIP, Shell Scripting, Asterisk, kamailio, C++, Linux, Development,
● Write Effective Codes In C++, Develop Software For Embedded Systems Based On STM32, NRF
● Support And Improve Existing Software
● Prepare Documentation For The Created Software. Qualifications
● Confident Knowledge Of C++ 17, Object-Oriented Programming, Embedded Software Development
● Proficiency With Microcontrollers Of The STM32 And / Or NRF Series
● Experience With RTOS
● Familiarity With Git, Linux
● Technical English
● Knowledge Of Python As An Advantage
● Any Experience With UAS \ UAV \ Drones is much appreciated
Embedded System Engineer
Working on Embedded programming on the microcontroller, Linux/Android OS development
Working on component sourcing, PCB Design and fabrication
Working on assembly and testing
Working on field deployment and Testing
Skills:
Embedded Systems
C Programming
Must be exceptionally good in Embedded Systems C programming, testing/ debugging and in advanced C concepts
Capable of working in Embedded Systems based projects based on 8 and 32 bit microcontrollers (STM32)
Experience with communication protocols and peripherals like UART, SPI, RTC, Ethernet
Hands on experience in IDE like Keil, AVR Studio, MPLAB
Strong documentation and writing skills
Work Experience
1-3 years preferable, fresher with good embedded system knowledge can also apply
Job Area Engineering - Software
Location Remote
Job Description
This position is ideal for a Senior SW engineer who is passionate about solving challenging business problems and building security services that provide an excellent client experience. You will be an integral part of the vulnerability assessment product development team focusing on designing, coding, and testing new and enhanced security services for z/Linux. The successful candidate should be a self-motivated individual with expert software engineering skills and solid expertise with IBM mainframe technologies. Candidate must be flexible and willing to switch tasks based on team's needs.
Qualifications
Basic Qualifications
- Bachelor's degree in Engineering, Information Systems, Computer Science, or related field.
- 1+ years experience with Programming Language such as C, C++, Java, Python, etc.
- Linux kernel and device driver development
- Experience with development boards such as DragonBoard
- Experience with python, perl, rust, shell scripting
- C programming and debugging skills
Preferred Qualifications
- CPU and cache architectures
- Experience with JTAG and GDB debuggers
- Linux Kernel upstream patch submission
- CPU performance and power analysis
- Independent and self-motivated problem solver and strategic thinker
- Proficient in Git for development and patch/branch management
Essential Functions
- Good planning, time management, decision-making, presentation, and organization skills
- Effective written and verbal communication
- Excellent interpersonal and teamwork skills






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