Senior System Engineer

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

About us:

Arista Networks was founded to pioneer and deliver software driven cloud networking solutions for large datacenter storage and computing environments. Arista's award-winning platforms, ranging in Ethernet speeds from 10 to 400 gigabits per second, redefine scalability, agility and resilience. Arista has shipped more than 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Committed to open standards, Arista is a founding member of the 25/50GbE consortium. Arista Networks products are available worldwide directly and through partners.

About the job

Arista Networks is looking for world-class software engineers to join our Extensible Operating System (EOS) software development team.As a core member of the EOS team, you will be part of a fast-paced,high caliber team-building features to run the world's largest data center networks.Your software will be a key component of Arista's EOS, Arista's unique, Linux-based network operating system that runs on all of Arista's data center networking products.

The EOS team is responsible for all aspects of the development and delivery of software meant to run on the various Arista switches.You will work with your fellow engineers and members of the marketing team to gather and understand the functional and technical requirements for upcoming projects.You will help write functional specifications, design specifications, test plans, and the code to bring all of these to life.You will also work with customers to triage and fix problems in their networks. Internally, you will develop automated tests for your software, monitor the execution of those tests, and triage and fix problems found by your tests.At Arista, you will own your projects from definition to deployment, and you will be responsible for the quality of everything you deliver.

This role demands strong and broad software engineering fundamentals, and a good understanding of networking including capabilities like L2, L3, and fundamentals of commercial switching HW.Your role will not be limited to a single aspect of EOS at Arista, but cover all aspects of EOS.

Responsibilities:

• Write functional specifications and design specifications for features related to forwarding traffic on the internet and cloud data centers.
• Independently implement solutions to small-sized problems in our EOS software, using the C, C++, and python programming languages.
• Write test plan specifications for small-sized features in EOS, and implement automated test programs to execute the cases described in the test plan.
• Debug problems found by our automated test programs and fix the problems.
• Work on a team implementing, testing, and debugging solutions to larger routing protocol problems.
• Work with Customer Support Engineers to analyze problems in customer networks and provide fixes for those problems when needed in the form of new software releases or software patches.
• Work with the System Test Engineers to analyze problems found in their tests and provide fixes for those problems.
• Mentor new and junior engineers to bring them up to speed in Arista’s software development environment.
• Review and contribute to the specifications and implementations written by other team members.
• Help to create a schedule for the implementation and debugging tasks, update that schedule weekly, and report it to the project lead.

Qualifications:

• BS Computer Science/Electrical Engineering/Computer Engineering 3-10 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 5 years experience, Ph.D. in Computer Science/Electrical Engineering/Computer Engineering, or equivalent work experience.
• Knowledge of C, C++, and/or python.
• Knowledge of UNIX or Linux.
• Understanding of L2/L3 networking including at least one of the following areas is desirable:

1. IP routing protocols, such as RIP, OSPF, BGP, IS-IS, or PIM.
2. Layer 2 features such as 802.1d bridging, the 802.1d Spanning Tree Protocol, the 802.1ax Link Aggregation Control Protocol, the 802.1AB Link Layer Discovery Protocol, or RFC 1812 IP routing.

• Ability to utilize, test, and debug packet forwarding engine and a hardware component’s vendor provided software libraries in your solutions.
• Infrastructure functions related to distributed systems such as messaging, signalling, databases, and command line interface techniques.
• Hands on experience in the design and development of ethernet bridging or routing related software or distributed systems software is desirable.
• Hands on experience with enterprise or service provider class Ethernet switch/router system software development, or significant PhD level research in the area of network routing and packet forwarding.
• Applied understanding of software engineering principles.
• Strong problem solving and software troubleshooting skills.
• Ability to design a solution to a small-sized problem, and implement that solution without outside help.Able to work on a small team solving a medium-sized problem with limited oversight.

Resources:

• Arista's Approach to Software with Ken Duda (CTO): https://youtu.be/TU8yNh5JCyw
• Additional information and resources can be found at https://www.arista.com/en/

● 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

Software Developer (B.Tech, Linux+CPP+ROS)

Job Description:

1. Design, implement and deliver custom solutions using the current robotics framework.
2. Bug fixing and improving of current application framework.
3. Design and implement tools to facilitate application development and testing.
4. Work with team members in deployment and field testing.

Requirements:

1. Bachelor Degree / Masters in Engineering (ECE and CSE preferred)
2. Work experience of 3 to 10 years in software programming.
3. Full understanding of software engineering.
4. Proficiency in C/C++ and Python programming for Linux based systems.
5. Basic Knowledge of Robot Operating System(ROS) is mandatory.
6. Good understanding of the algorithms and control loops.
7. Able to use tools to manage source code, preferably Git / GitHub.
8. Knowledge of video streaming from edge devices is a plus.

Perks and Benefits for the employees

• Paid Leaves  (12CL+12SL+12 public holidays )
• career development
• Health insurance
• Work life balance
• Employee recognition and reward programs
• Flexible work hours
• Five working days.
• Remote job for now