11+ WAN Jobs in Kolkata | WAN Job openings in Kolkata

Position: Windows SRE

Responsibilities:

• Windows Site Reliability Engineer with experience in managing large websites where Millions of customers hit
• Manage and monitor all installed systems and infrastructure
• Install, configure, test and maintain operating systems, application software and system management tools
• Among your responsibilities will be the installation and configuration of storage, servers, Microsoft servers (Cluster Services, File Services, Active Directory Services, Certificate Authority services), Virtual Infrastructure (Hyper-V), IIS, MS SQL and backup system
• Proactively ensure the highest levels of systems and infrastructure availability
• Monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes
• Maintain security, backup, and redundancy strategies
• Write and maintain custom scripts to increase system efficiency and lower the human intervention time on any tasks
• Participate in the design of information and operational support systems
• Provide 2nd and 3rd level support
• Liaise and collaborate with vendors and Zacks personnel for problem resolution, decision making, knowledge sharing

Requirements:

• Minimum 5+ years of Windows support experience, 7, 8, 10, and Microsoft Server (all)
• Windows server expertise
• Familiar with WAN/LAN technologies
• Understanding of the OSI model
• Virtualization - MS Hyper-V, VMware, vSan
• Strong understanding of Internet protocols including HTTP(S), SSL, TCP, IP
• MS IIS administration and configuration
• MS Active Directory
• MS Storage Space
• DNS and DHCP
• SSL certificates and PKI
• Familiar with the ITIL framework
• Strong PowerShell experience
• Information Security experience a plus Other Qualifications
• Excellent attention to detail

Experience: 8-10 years

We are seeking an IT/System Administrator to manage and maintain our web servers, monitor system performance, and ensure uptime for our E-lock GPS web platform. This individual will play a key role in server monitoring, troubleshooting, and managing basic backend operations.

Key Responsibilities:

Monitor and maintain servers, ensuring uptime, performance, and security.

Perform basic troubleshooting for server-related issues (e.g., service restarts, log analysis).

Manage server logs, backups, and storage usage.

Implement basic security measures, including access control and firewall monitoring.

Collaborate with developers and report any critical server issues or bugs.

Manage GitHub for tracking system updates and version control.

Skills Required:

Basic Linux/Ubuntu server administration (preferred) or Windows Server.

Familiarity with SSH, server logs, and cloud services (AWS, DigitalOcean, or similar).

Experience with Git/GitHub for managing repositories.

Basic knowledge of system security, firewalls, and network protocols.

Strong troubleshooting and problem-solving skills.

Education and Experience:

Bachelor’s degree in IT, Computer Science, or related field (preferred).

1-3 years of experience in IT/System Administration or similar roles.

NOTE: We’re inviting applications for a 6-month internship in IT and System Administration at Mondiale Technologies, a company at the forefront of smart logistics and IoT-based tracking solutions

Eligibility: Diploma in Electronics / BCA / B.Sc. IT / MCA / B.Tech (Final year students or recent graduates)

Internship Highlights:

• Hands-on experience in system monitoring, basic troubleshooting, and hardware/software setup
• Exposure to managing IT infrastructure for field-deployed IoT tracking devices
• Opportunity to support internal users and technical teams
• Real-world learning in a fast-paced, tech-enabled logistics environment

Stipend: YES

✅ Pre-placement offer for high-performing candidates

Candidates who successfully complete the internship and demonstrate strong performance will be offered a regular full-time role within the company.

1. Excellent Communication Skills required
2. Minimum 6 months in international sales process or 1 year in customer support

Perks

• Salary On 1st
• Incentives upto 1 lakhs

👋🏼We're Nagarro.

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (19000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in!

REQUIREMENTS:

• Must have Skills: Node JS, Microservices architecture (MSA) (Capable),Javascript/Typescript, AWS S3/ LAMBDA/ EC2/DYNAMODB
• Cloud developer with a minimum of 6 years of experience Technical skills in most of the following areas
• Expert in developing REST Services and APIS using JavaScript, TypeScript NodeJS is a must 
• Implementing Serverless Software development using Amazon Lambda written in NodeJS is desirable.
• Services including AWS IoT, S3, RDS, IAM, Cognito, SNS, VPC, EBS, AWS Route 53, and Cloud Watch is a must
• Proficient in database concepts including schema design, querying, performance tuning, and debugging (Both SQL and No-SQL databases)
• Strong experience in designing and developing enterprise cloud-based IoT solutions using AWS
• Develop Web, APIs, IoT & Cloud based solutions is a must
• Ability to write automated unit test cases using mocking frameworks (Jasmine, Mocha, chai, Jest, etc.)
• Experience in modern data architectures (e.g. Micro Service, event-driven architectures, stream processing, and integrating real-time analytics into customer applications is desirable
• Have a good eye for NFRs (Scalability, extensibility, reliability, etc.) while evaluating design. should be able to Converts Solution Requirements into logical systems & subsystems
• Innovates and creates new ideas and have the ability to develop quick proof of concepts and validate with the customer.

RESPONSIBILITIES:

• Understanding functional requirements thoroughly and analysing the client’s needs in the context of the project
• Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns, and frameworks to realize it
• Determining and implementing design methodologies and tool sets
• Enabling application development by coordinating requirements, schedules, and activities.
• Being able to lead/support UAT and production roll outs
• Creating, understanding, and validating WBS and estimated effort for given module/task, and being able to justify it
• Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
• Giving constructive feedback to the team members and setting clear expectations.
• Helping the team in troubleshooting and resolving of complex bugs
• Carrying out POCs to make sure that suggested design/technologies meet the requirements.

👋🏼We're Nagarro.

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (19000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We're looking for great new colleagues. That's where you come in.

REQUIREMENTS:

• 16+ years of experience in designing and developing technology solutions using a variety of platforms, languages, and tools, with at least 5+ years of software architecture experience
• Strong background into Devops, Azure, Java, .NET, all mobile, web and backend solutions
• Ability to think breakthroughs by leveraging new age technologies and a deep understanding of the client’s business and the industry they operate in 
• Ability to lead by example by picking up coding of complex functionalities when required
• Strong understanding of technology and the ability to deep dive into a technology problem
• Ability to influence key client stakeholders on their technology and operations strategy
• Vast experience in owning delivery of complex technology solutions for global clients
• Ability to multitask and own multiple technology tracks simultaneously in a globally distributed delivery setup
• Experience in creating cutting edge technology solution by collaborating with other world class technologists 
• Balanced approach that aligns technology-based solutions with customer needs
• Visible thought leadership through technology blogs, whitepapers, presentations etc. 
• Fluent verbal and written language skills and ability to convey a message in a simple and structured manner, customized to the audience and to the mode of communication

RESPONSIBILITIES:

• Owning the technology health of the project / account on all key metrics 
• Ensuring projects / accounts meet technical standards of governance, technology standards and best practices
• Owning the long term as well as the short-term technology strategy of your project / account
• Identifying opportunities in the current engagement to cross sell or up sell Nagarro’s offerings  
• Conceptualizing and owning the technical architecture and design of the projects you are influencing
• Harnessing your consulting skills in a culture that promotes opportunities to provide thought leadership and breakthrough solutions for our clients.
• Running workshops internally and with customers on technology and business topics to create new solution areas and use cases
• Communicating and driving adoption of organizational technology initiatives in your account
• Mentoring and managing team members, by giving constant on-the-job feedback, and by providing guidance
• If you are aligned with a Center of Excellence (CoE) or practice –
• Defining the vision for the practice/CoE, creating plan/budget for the practice

We are looking for a Content writer a technical content writer responsible for creating high-quality content that effectively communicates complex technical information to a variety of audiences.

This role requires a deep understanding of technical concepts, excellent writing skills, and the ability to translate technical jargon into plain language that is easily understood by non-technical audiences.

Key responsibilities of a technical content writer include:

·        Research technical topics and stay up-to-date with industry trends and developments.

·        Developing a deep understanding of the target audience and creating content that speaks to their needs and interests.

·        Creating original content, such as blog posts, whitepapers, case studies, and technical documentation.

·        Collaborating with subject matter experts to ensure the accuracy and relevance of content.

·        Editing and proofreading content to ensure clarity, accuracy, and consistency.

·        Optimizing content for search engines and ensuring that it adheres to best practices for SEO.

·        Managing content calendars and ensuring that deadlines are met.

·        Analyzing the performance of content and making data-driven decisions to improve content effectiveness.

·        Communicating complex technical concepts clearly, concisely, and engagingly.

·        Staying up-to-date with the latest content creation tools and technologies.

Qualifications:

·         Bachelor's degree in a relevant field, such as technical writing, computer science, or engineering.

Experience:

·        Proven 2-3 years of experience as a technical writer or similar role

·        Experience with content management systems and other content creation tools.

·        Experience in a technical writing or content creation role is preferred.

Skills:

·        Strong writing and editing skills, with the ability to write clear, concise, and engaging content.

·        Excellent research skills and the ability to learn new technical concepts quickly.

·        Knowledge of SEO best practices and the ability to optimize content for search engines.

·        Familiarity with programming languages and software development methodologies.

·        Attention to detail and a commitment to producing high-quality content.

·        Strong communication and collaboration skills.

·        Ability to work independently and manage multiple projects simultaneously.

• Excellent LSI-based content writing, editing, and proofreading skills.
• Ability to work independently and manage multiple projects simultaneously.
• Strong attention to detail and ability to adhere to tight deadlines.
• Familiarity with SEO, digital marketing strategies, WEB 3.0, WEB 2.0, brand storytelling, SEO friendly website consulting.

   Company Benefits

·        PF,ESI.

·        Fun Friday.

·        Team Lunch.

·        Birthday Celebration.

·        Annual Party.

·        RNR Program.

·        Joining Bonus for immediate joiners.

 PHP Developer SKILLS & Responsibilities:

Extensive experience in PHP and Laravel.
Database Management tools such as MySQL.
The candidate has worked on the web application or REST API for apps, Laravel, Node Js.

Has experience or can work in a team as well as a single person.
Experience building or maintaining a CMS.

We are looking for Full-stack engineers with a minimum of 2 to 3+ years of exposure to Node JS, Express JS, Mongo DB, and React JS to join our team.

At Aryston Web Solution Pvt. Ltd, you will use the latest software development languages, techniques, and approaches and work with a visionary team to build solutions you can be proud of.

Your role and responsibilities

• Creating solid back-end code with Node JS.
• Writing code in async-await architecture.
• Integrating REST APIs in front-end application using React JS
• Writing mongoose schema efficiently can implement MRC architecture in the express framework
• Implementing business logic in front-end applications using javascript, should be able to handle complex JSON architecture.
• Should be able to manage states using Redux, Redux thunk/saga, Mobx.
• Should be comfortable in using both functional and class components in React.
• Must be familiar with popular React UI libraries like Material UI, Antd.
• Implement best practices and constantly learn new ways of keeping codebases up to date.
• Having knowledge in Typescript, GraphQL, NextJS, Socket.io is like a match made in heaven.
• AWS SDK hands-on experience, Firebase Services experience, Oauth 2.0 handling knowledge are best to have.

Criteria

• 2+ years of work experience with Node JS, Mongo DB Javascript and React JS.
• Proficient understanding of code versioning tools, such as Git.
• You care about the design and user experience of an application. The choice of third-party libraries should be elegant.
• You must respect the timeline of the deliverables and releases.

Why Join Us?

Aryston Web Solution builds robust solutions for clients in 10+ sectors including cybersecurity, education, healthcare, hospitality, insurance, transportation which makes a positive impact in 5+ countries in the world.

We also have our B2B SAAS product and catering a wide range of clients through it.

At Aryston -

• Your work gets recognition from day 1.
• Since we work very closely, We honor the decision and opinions of our colleagues.
• We grow, you grow.
• We explore and learn new things together.
• Fixed working hours.
• We follow proper productive techniques to get things done, so there are fewer phone calls or boring meetings, and of course zero blame game.