11+ OSI Jobs in Kolkata | OSI 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

✅ 1. Web Development Intern – Job Description

Overview:

We are looking for a passionate Web Development Intern to join our team. This role offers the opportunity to work on real projects, build responsive web applications, and collaborate with designers and developers in a fast-paced environment.

Key Responsibilities:

• Assist in developing, testing, and maintaining front-end and back-end features.
• Work on HTML, CSS, JavaScript, and modern frameworks (React, Node.js, etc.).
• Collaborate with the design team to translate UI/UX into functional code.
• Debug issues and perform basic code reviews.

Requirements:

• Basic knowledge of HTML, CSS, JavaScript.
• Familiarity with Git and any frontend framework (React preferred).
• Eagerness to learn and take ownership of small modules.
• Currently pursuing or recently completed a degree in CS or related field.

✅ 2. QA Intern – Job Description

Overview:

We are looking for a detail-oriented QA Intern to assist in manual testing of web and mobile applications. You'll learn to write test cases, identify bugs, and ensure the product meets quality standards.

Key Responsibilities:

• Execute test cases and report bugs clearly with screenshots/logs.
• Collaborate with developers to troubleshoot and verify fixes.
• Document test results and track issues using tools like Jira or Excel.
• Participate in QA reviews and feedback sessions.

Requirements:

• Basic knowledge of manual testing concepts.
• Familiarity with writing bug reports.
• Good communication and documentation skills.
• Currently pursuing or recently completed a degree in CS, IT, or QA field.

 He/she should handle the complete Kolkata region and should have overall experience of all departments.

● Need Candidates from Freight forwarding industry.

● Should have minimum 10 years’ experience in Freight Forwarding services.

● Must have existing shipper base which can be diverted once onboard.

● Should be Good in preparing market reports.

● Should be Good in Client Acquisition & Retention.

NOTE :- 

Working Days - Mon to Fri (full day) & Sat (half day), [ 1&3 Sat - WFO, 2&4 Sat - WFH ]

Work Timings - 9:30 am - 6 pm

Designation: Automation & IoT Engineer (Water Treatment)

Location: Kolkata

Experience: 5–7 years

Working Days & Hours: 6 days a week | 10:00 AM – 6:30 PM

Industry Focus:

⚡ Water Treatment Industry Only

Key Responsibilities:

• Design, implement, and maintain automation systems (SCADA, PLC, HMI) tailored for water treatment plants, ensuring seamless integration with existing infrastructure.
• Program and configure PLC/SCADA systems for process automation of pumps, valves, filters, dosing systems, chemical treatment, backwashing, sludge handling, and other water treatment operations.
• Integrate IoT-based real-time monitoring solutions including flow meters, pressure transmitters, water level sensors, and water quality instruments (pH, turbidity, TDS, conductivity, chlorine residual, etc.).
• Develop and configure data acquisition systems (DAQ) to collect, process, and analyze operational parameters, ensuring availability of accurate real-time and historical data.
• Set up dashboards and cloud-based remote monitoring platforms for centralized control, reporting, and decision-making across multiple plant sites.
• Ensure reliable industrial communication protocols (Modbus RTU/TCP, Profibus, OPC-UA, MQTT, Ethernet/IP, LoRa, GPRS/4G/5G) for smooth data exchange between PLCs, IoT devices, and cloud servers.
• Conduct system testing, troubleshooting, diagnostics, and preventive maintenance of PLCs, SCADA servers, HMIs, sensors, actuators, and communication networks to minimize downtime.
• Collaborate with process engineers and plant operators to optimize plant performance through advanced control strategies (PID tuning, VFD integration, energy optimization, predictive maintenance).
• Design and implement cybersecurity measures to protect automation & IoT systems from unauthorized access, malware, and data breaches.
• Prepare and maintain technical documentation including control logic diagrams, wiring diagrams, SOPs, and system manuals.
• Coordinate with vendors and contractors for procurement, installation, and commissioning of automation hardware/software.
• Support plant expansion and upgradation projects by evaluating new automation technologies and IoT solutions.
• Train and mentor plant operators on SCADA/HMI usage, alarm handling, and IoT dashboards to improve operational efficiency.
• Generate periodic performance reports on plant automation, IoT monitoring, energy consumption, and water quality compliance.

Must-Have Skills:

• SCADA, PLC, HMI expertise
• IoT and real-time monitoring integration
• Combination of Automation, Instrumentation & IoT experience

Candidate Profile:

• Minimum 5–7 years of experience
• Kolkata-based only
• Prior experience in Water Treatment Industry mandatory

• Lead and manage the SEO team to deliver results aligned with client goals.
• Communicate with international clients to understand project requirements and provide tailored SEO solutions.
• Conduct in-depth online research to identify potential clients and collect contact data for outreach.
• Develop and implement robust on-page and off-page SEO strategies. Optimize content, websites, and landing pages for search engine visibility and performance.
• Continuously discover and optimize for high-performing keywords. Build and maintain high-quality, natural backlinks to improve search rankings and domain authority.
• Analyze competitor websites and digital strategies to identify SEO growth opportunities.
• Coordinate with the graphics, content, and SEO teams to ensure seamless campaign execution.
• Plan and manage a monthly content calendar for articles and blog posts to support organic growth.
• Monitor and evaluate search engine performance and deliver actionable insights.
• Collaborate with web developers and the broader marketing team to implement SEO best practices.

The ideal candidate will have experience in all stages of the sales cycle. They should be confident with building new client relationship and maintaining existing ones. They should have evidence of strong skills and possess good negotiation skills.

Responsibilities

• Build relationships with prospective clients
• Must be comfirtable with cold calling
• Maintain consistent contact with existing clients
• Manage sales pipeline
• Analyze market and establish competitive advantages
• Track metrics to ensure targets are hit

Qualifications

• Bachelor's degree 2+ years in sales industry
• Experience in full sales cycle including deal closing Demonstrated sales success
• Strong negotiation skills
• Strong communication and presentation skills
• CRM experience is preferred

Salary - Up to 22k In hand

Leaders at The Seenit Co. are passionate about using technology to create an impact on the world they live in. At Seenit, you will get to collaborate with an accomplished team that loves solving real-world problems. You will get to work on cutting edge projects that will shape the next phase of growth for the global luxury industry.

Seenit’s suite of products (http://www.styleade.com/" target="_blank">www.styleade.com) enables the leading luxury retailers around the world to transform their customer experience and build loyal relationships with their customers. The apps allow retailers to make use of their existing infrastructure and resources to deliver a truly omnichannel experience in today's rapidly changing world of shopping. The product has added 50 million USD to the top-line of one of the largest luxury retailers in the world. Store Associates and Stylists have assisted upwards of 100,000 consumers till date.

We would welcome someone to the team who wishes to:

• take ownership of the quality of code powering the product
• take an active role in the definition and evolution of best industry practices and procedures
• design, develop and test the core product software and databases to ensure strong optimization and functionality
• contribute in all phases of the development lifecycle
• support others to succeed and shine in a supportive team culture

• 4+ years experience in building consumer products
• experience of leading a team of 3 or more full stack developer
• Codeigniter Preferred 
• Good knowledge of Mysql and query optimisation
• Experience with PHP 7, HTML5, AJAX, JavaScript, JQuery, CSS, MVC frameworks (Bootstrap), API
• Experience with Ubuntu OS is a plus
• experience deploying softwares to cloud providers such as GCP, AWS

Mechanical Designing, Drawing Reading and Interpretation, Concept Design, Detailing, Assembly, Preparation of Shop Loading Drawings & Coordinating With Manufacturing at Factory

AutoCAD Knowlesge is a must