KASHII UPDATEZ Everyday Student Requirements & Python Coding Tutorials by Python Kashi
JD #2671
Applications open Internship

CAD Engineer (Fresher)

Tatacommunications

  • Chennai, India
  • 3.5 LPA
  • Internship
  • Posted Today
HR
Recruiter contact
Recruiter / hiring contact
No public email in this post. Use a source-linked contact instead.

About the role

Tata Communications is a global digital ecosystem enabler that offers connectivity, cloud, mobility, IoT, collaboration, security, media and network services to enterprises worldwide. With a presence in over 200 countries, the company plays a pivotal role in building and maintaining the backbone of modern communication. Its engineering divisions are known for delivering large‑scale telecom infrastructure projects, ranging from submarine cables to terrestrial wireless sites, and for fostering a culture of innovation, accountability and continuous learning.

As a CAD Engineer (Fresher) in the Engineering/Design department, you will be part of a multidisciplinary team that translates telecom design concepts into precise technical drawings and 3D models. The role is centered on creating structural layouts for wireless sites, antenna placements, equipment racks, and related civil works. You will collaborate closely with project engineers, survey teams, and vendors to ensure that every drawing adheres to industry standards, safety norms, and client specifications.

This position offers a solid foundation for a career in telecom infrastructure design and provides exposure to real‑world projects that power India's digital transformation.

Key Responsibilities

  • Develop detailed 2D and 3D AutoCAD drawings for wireless telecom sites, including foundations, towers, and equipment shelters.
  • Produce structural design calculations and supporting documentation for antenna and mast installations.
  • Interpret survey reports, site photographs, and client briefs to create accurate layout plans.
  • Coordinate with civil, electrical and RF engineers to integrate multidisciplinary requirements into a cohesive design.
  • Maintain drawing libraries and ensure version control across multiple projects.
  • Perform quality checks to verify compliance with Tata Communications design standards and regulatory guidelines.
  • Assist in preparing bill of materials and technical specifications for procurement.
  • Participate in design review meetings and incorporate feedback promptly.
  • Support field teams during site execution by providing clarifications and updated drawings.
  • Continuously update personal knowledge of emerging telecom technologies and CAD tools.

Tech Stack: AutoCAD (with certification), basic knowledge of Revit or Civil 3D is a plus, MS Office suite, familiarity with telecom design standards (e.g., ITU, BICSI).

Growth Path: Freshers can progress to Senior CAD Engineer, then to Design Lead, and eventually to Project Manager or Technical Architect, depending on performance and additional certifications.

Why Join Tata Communications? The company offers exposure to high‑impact projects, a collaborative environment that values learning, and a clear career ladder for engineers. Working here means contributing to the backbone of India's digital future while building a robust skill set in telecom infrastructure design.

Eligibility & process

Who can apply

Bachelor’s degree in Mechanical, Civil or Structural Engineering; Minimum 60% aggregate (or equivalent CGPA); Graduation batch 2024‑2026; No active backlogs at the time of application; AutoCAD certification preferred.

Skills & stack

Autocad D Drafting D Modelling Structural Design Technical Drawing Telecom Infrastructure Design Survey Interpretation Team Collaboration

Selection process

  1. Round 1: Online aptitude & technical test
  2. Round 2: Technical interview (CAD & engineering concepts)
  3. Round 3: HR interview (fitment and behavioral assessment)

Prep kit

20 resources
Study material 4
Company-specific guides 4
Likely coding questions 4
Round-wise strategy 4
Round 1: Online Assessment (OA) Aptitude, Quantitative Logic & 2 Coding Problems Focus on accuracy and speed. Practice arrays, strings, and standard arithmetic puzzles.
Round 2: Technical Interview 1 Core Tech Stack (Autocad, D Drafting, D Modelling, Structural Design, Technical Drawing, Telecom Infrastructure Design, Survey Interpretation, Team Collaboration) & Live Code Tracing Explain your thought process aloud. Analyze time & space complexities before coding.
Round 3: System Design & Problem Solving Database Schemas, APIs & Architecture Basics Clarify edge cases, diagram schemas cleanly, and discuss scalability trade-offs.
Round 4: HR & Cultural Fit Discussion Tatacommunications Core Values, Learning Agility & Offer Terms Demonstrate passion, strong communication, and readiness for full-time collaboration.
Technical questions 5
Explain OOP (Object-Oriented Programming) principles with real-world examples in Autocad. Answer
Model answer: 1. Encapsulation (data hiding via private fields/getters). 2. Abstraction (hiding implementation complexity). 3. Inheritance (code reusability). 4. Polymorphism (method overriding/overloading).
What is the time and space complexity of QuickSort vs MergeSort? Answer
Model answer: QuickSort: Average O(N log N) time, O(log N) space. Worst O(N^2). MergeSort: Guaranteed O(N log N) time, but requires O(N) auxiliary space.
Explain the difference between SQL Indexing (B-Tree vs Hash) and when not to use an index. Answer
Model answer: Indexes speed up SELECT queries via B-Trees. However, they slow down INSERT, UPDATE, and DELETE operations because indexes must be updated on disk. Avoid on low-cardinality columns (e.g., boolean flags).
What happens under the hood when you enter a URL in a browser? Answer
Model answer: 1. DNS lookup (resolves IP). 2. TCP 3-way handshake (SYN, SYN-ACK, ACK). 3. TLS negotiation for HTTPS. 4. HTTP GET request sent. 5. Server responds with HTML/CSS/JS. 6. Browser renders DOM & CSSOM tree.
What is the difference between REST and GraphQL APIs? Answer
Model answer: REST uses multiple fixed endpoints with possible over/under-fetching. GraphQL uses a single endpoint allowing clients to query exact fields in a single request.
Behavioural & HR questions 3
Why do you want to join Tatacommunications as a CAD Engineer (Fresher)?
Highlight Tatacommunications's market reputation, recent tech innovations, and how your skills in Autocad directly solve their team's objectives.
Describe a challenging bug or academic project roadblock and how you resolved it.
Use the STAR method: Situation (project context), Task (what needed solving), Action (specific tools/logic applied), Result (quantifiable positive outcome).
How do you handle strict deadlines or sudden scope changes?
Explain your prioritization strategy, proactive communication with mentors/peers, and agile mindset.
Tatacommunications 3.5 LPA
Recruiter Resume Apply
Chat Chat with Kashii