TNPSC CTS 2026 Job Profile – Roles & Responsibilities for Interview and Non-Interview Posts

TNPSC CTS 2026 covers a wide range of roles—from engineering and finance to library science, law, agriculture, statistics, and social welfare—across dozens of Tamil Nadu government departments and PSUs. Since exact post-by-post duty charters are not published by TNPSC in a single document, this guide groups every post from the official list by function/field and explains the typical job role, responsibilities, and duties associated with each, along with the department(s) under which it falls. Explore the TNPSC CTS 2026 Job Profile & Details here!

TNPSC CTS 2026 Syllabus PDF – All Subjects

TNPSC CTS Job Profile 2026 – Details Here!

TNPSC CTS 2026 Job Profile — Roles & Responsibilities for Interview Posts 

Explore the TNPSC CTS 2026 Job Profile for Interview Posts. Learn about the roles, responsibilities, and key duties of various posts across Tamil Nadu government departments to understand the nature of the job and prepare for the recruitment process.

1. Finance & Accounts Officer Roles

Typical Role: Managing budgets, accounts, audits, costing, and financial reporting for the department/PSU.
Core Responsibilities & Duties: Preparing and monitoring annual budgets; maintaining ledgers and financial statements; ensuring statutory compliance (tax, audit, company law where applicable); cost analysis for projects/production; liaising with internal/statutory auditors; approving payments and reconciling accounts; advising senior management on financial planning.

Posts under this category:

• Accounts Officer, Class-III – Treasuries and Accounts
• Accounts Officer – Tamil Nadu Industrial Development Corporation (TIDCO), Tamil Nadu Minorities Economic Development Corporation, Tamil Nadu Medical Services Corporation
• Assistant General Manager (Finance) – State Industries Promotion Corporation of Tamil Nadu (SIPCOT)
• Assistant Manager (Accounts) – Tamil Nadu State Transport Corporation
• Assistant Manager (Finance) – SIPCOT
• Deputy Manager (Accounts) – Tamil Nadu Corporation for Development of Women
• Senior Officer (Finance) – Tamil Nadu Industrial Investment Corporation (TIIC)
• Manager Grade III (Finance) – TIIC

2. Engineering & Technical Management Roles (Interview-level)

Typical Role: Supervising plant operations, project execution, technical safety, and engineering quality for state-run factories, cement units, and infrastructure corporations.
Core Responsibilities & Duties: Overseeing production/maintenance schedules; ensuring equipment safety and statutory compliance; managing technical teams and contractors; preparing technical reports and project estimates; coordinating procurement of machinery/materials; troubleshooting plant or electrical/mechanical breakdowns; ensuring quality control.

Posts under this category:

• Assistant Manager (Projects) – SIPCOT (Electrical/Electronics/Mechanical Engineering)
• Assistant Manager (Materials), (Technical-Mechanical), (Civil) – Tamil Nadu Cements Corporation
• Assistant Superintendent (Chemical Wing) – MSME Department
• Deputy Manager (Electrical), (Instrumental), (Materials), (Mechanical), (Safety) – Tamil Nadu Cements Corporation
• Manager (Chemical), (Mechanical), (Electrical) – Tamil Nadu Cements Corporation
• Factory Manager (RKD), (SKD) – Tamil Nadu Magnesite Limited
• Unit Head – Deputy General Manager Cadre – Tamil Nadu Cements Corporation
• Senior Assistant Director of Boilers – Public Works
• Assistant Electrical Inspector – Electrical Inspectorate
• Senior Officer (Technical) – TIIC
• Assistant General Manager (Engineering-related) – SIPCOT
• Assistant General Manager (Projects) – Infrastructure / Project Management – TIDCO

3. Business Administration & Marketing Management Roles

Typical Role: Strategic planning, marketing, business development, and project investment management for PSUs.
Core Responsibilities & Duties: Developing business/marketing strategies; managing investment proposals and feasibility studies; coordinating with external agencies/investors; overseeing sales and promotional activities; preparing MIS reports for top management; project costing and risk assessment.

Posts under this category:

• Assistant General Manager (Projects) – Investment – TIDCO
• Assistant Manager (Marketing) – Tamil Nadu Cements Corporation
• Manager (Marketing) – Tamil Nadu Cements Corporation
• Assistant Manager (P&A) – Tamil Nadu Cements Corporation (Personnel/Industrial Relations)

4. Statistics, Economics & Survey Roles

Typical Role: Data collection, statistical analysis, and economic reporting to support departmental planning and regulatory decisions.
Core Responsibilities & Duties: Designing and conducting surveys; compiling and analyzing statistical data; preparing reports for tariff/regulatory decisions; forecasting and economic modelling; maintaining statistical databases; supporting policy formulation with data-driven insights.

Posts under this category:

• Assistant Director of Statistics – Department of Statistics
• Assistant Director (Statistical Analyst) – Tamil Nadu Electricity Regulatory Commission
• Assistant Director of Industries and Commerce (Survey and Statistics)
• Assistant Manager (Statistics and Economics) – SIPCOT

5. Library & Information Science Roles

Typical Role: Managing library collections, cataloguing, and information services for institutions, government departments, and public libraries.
Core Responsibilities & Duties: Acquiring, cataloguing, and classifying books/journals/manuscripts; managing digital and physical archives; assisting researchers and the public with reference services; maintaining library automation systems; preserving rare/heritage documents (for archival postings); supervising library staff.

Posts under this category:

• Librarian – Legal Studies, Legislative Assembly Secretariat, TNPSC, Tamil Nadu Archives
• District Library Officer – Public Libraries
• Librarian and Information Officer – Anna Centenary Library, Public Libraries

6. Legal Roles

Typical Role: Providing legal advice, drafting contracts/agreements, and representing the organization in legal matters.
Core Responsibilities & Duties: Vetting contracts and legal documents; advising management on statutory/regulatory compliance; handling litigation and liaising with legal counsel; drafting agreements, MoUs, and legal notices; ensuring corporate governance compliance.

Posts under this category:

• Manager Grade III (Legal) – Tamil Nadu Industrial Investment Corporation
• Senior Officer (Legal) – TIIC
• Assistant Manager (Legal) – Tamil Nadu State Transport Corporation, SIPCOT
• Deputy Director (Legal) – Tamil Nadu Electricity Regulatory Commission
• Deputy Manager – II (Direct Legal) – Electronics Corporation of Tamil Nadu

7. Architecture, Traditional Sculpture & Heritage Roles

Typical Role: Designing, restoring, and overseeing temple architecture and sculpture works under Hindu Religious & Charitable Endowments.
Core Responsibilities & Duties: Supervising temple construction/renovation as per traditional Agamic/Shilpa Shastra norms; guiding sculptors and artisans; preparing architectural drawings respecting heritage conservation guidelines; coordinating with HR&CE engineering wing for structural integrity.

Posts under this category:

• Chief Sthapathi, Regional Sthapathi – Tamil Nadu Hindu Religious and Charitable Endowments

8. Agriculture, Horticulture, Veterinary & Fisheries Roles

Typical Role: Extension services, technical advisory, and field-level management in agriculture-allied sectors.
Core Responsibilities & Duties: Advising farmers on crop/livestock practices; implementing government schemes for agriculture/horticulture development; disease diagnosis and treatment (veterinary roles); fisheries resource management; conducting field surveys and demonstrations; preparing extension reports.

Posts under this category:

• Assistant Director of Agriculture (Extension) – Agriculture
• Assistant Director of Horticulture – Horticulture
• Assistant Director of Fisheries – Fisheries and Fishermen Welfare
• Manager (Veterinary), Research Assistant – Tamil Nadu Co-operative Milk Producers’ Federation / Animal Husbandry
• Veterinary Assistant Surgeon – Animal Husbandry and Veterinary Services

9. Town Planning & Urban Development Roles

Typical Role: Urban planning, zoning, and infrastructure project oversight.
Core Responsibilities & Duties: Preparing master/development plans; reviewing building plan approvals; coordinating infrastructure projects with engineering teams; ensuring planning regulation compliance; conducting urban surveys.

Posts under this category:

• Assistant Director of Town and Country Planning – Housing and Urban Development
• Deputy Planner, Assistant Planner – Chennai Metropolitan Development Authority (CMDA)

10. Specialized/Other Interview Posts

TNPSC CTS 2026 Job Profile — Roles & Responsibilities for Non-Interview Posts (Degree/PG Degree Level)

Explore the TNPSC CTS 2026 Job Profile for Non-Interview Posts (Degree/PG Degree Level). Check the roles, responsibilities, and key duties of each post across various Tamil Nadu government departments to understand the nature of the job before applying.

1. Civil, Electrical & Mechanical Engineering — Assistant Engineer Roles

Typical Role: Field/site engineering for public infrastructure — roads, buildings, water supply, power distribution, and housing projects.
Core Responsibilities & Duties: Site supervision and quality control of construction/maintenance works; preparing technical estimates and tender documents; ensuring adherence to engineering standards and safety codes; inspecting completed works; managing contractors and labour; processing technical sanctions and progress reports; handling electrical/mechanical installation and maintenance (for respective branches).

This is the single largest category in TNPSC CTS, spanning the following departments:

• Civil Engineering Assistant Engineers: Rural Development & Panchayat Raj, Tamil Nadu Maritime Board, Fisheries and Fishermen Welfare, CMDA, Tamil Nadu Urban Habitat Development Board, Tamil Nadu Police Housing Corporation, Tamil Nadu Small Industries Development Corporation, SIPCOT, Tamil Nadu Power Distribution Corporation (TANGEDCO), Tamil Nadu Water Supply and Drainage Board (TWAD), Tamil Nadu Adi Dravidar Housing and Development Corporation, Water Resources Department, Public Works Department, Highways Department, HR&CE, Tamil Nadu Housing Board, Electronics Corporation of Tamil Nadu (ELCOT)
• Electrical Engineering Assistant Engineers: TANGEDCO, Public Works Department, Tamil Nadu Magnesite Limited, ELCOT
• Mechanical Engineering Assistant Engineers: TANGEDCO, TWAD Board, Tamil Nadu Magnesite Limited
• Agricultural/Multi-discipline Engineering: Agricultural Engineering Department (Agricultural, Mechanical, Automobile, and Civil Engineering combined)
• Environmental/Chemical Engineering: Tamil Nadu Pollution Control Board (effluent treatment compliance, environmental monitoring)

2. Museum Curator Roles

Typical Role: Curating, preserving, and researching museum collections across natural science, art, archaeology, and anthropology.
Core Responsibilities & Duties: Cataloguing and conserving exhibits; conducting research on artefacts; organizing public exhibitions and educational programs; coordinating acquisition/restoration of specimens; maintaining climate-controlled storage for sensitive items.

Posts under this category (all under Museum department):

• Assistant Curator (Natural Science, Children’s Museum) – Zoology/Botany/Geology/Physics background
• Assistant Curator (Anthropology)
• Assistant Curator (National Art Gallery) – Fine Arts/History
• Assistant Curator (Numismatics) – Ancient History/Archaeology
• Assistant Curator (Archaeology)
• Assistant Curator (Zoology)
• Curator (Chemical Conservation) – Chemistry/Chemical Technology, focused on artefact preservation chemistry

3. Library & Information Science Roles (Non-Interview)

Typical Role: Same core library functions as the interview-post librarians, but at junior/assistant grade across more departments.
Core Responsibilities & Duties: Cataloguing, circulation management, reference assistance, archival preservation, and library automation support.

Posts under this category: Assistant Librarian (Archives and Historical Research; Archaeology – Government Oriental Manuscripts Library); Assistant Librarian and Information Officer (Public Libraries); Librarian (Animal Husbandry, Agriculture, SCERT, CMDA); Library Assistant / Library Assistant Grade I (Public Libraries, Archives); Librarian Grade I (Labour, Economics & Statistics, Town & Country Planning, Industries & Commerce); Librarian and Information Assistant Grade I & II (Public Libraries); Librarian (Grade II) (Tamil Nadu Pollution Control Board); Film Librarian (Agriculture); Assistant Librarian (Legal Studies).

4. Statistics, Economics & Research Assistant Roles

Typical Role: Departmental data collection, statistical compilation, and applied research support.
Core Responsibilities & Duties: Conducting field-level data collection and surveys; statistical compilation for departmental reports; supporting socio-economic research projects; preparing tables/charts for planning documents; assisting senior researchers with applied studies on economics, geography, or sociology.

Posts under this category: Assistant Statistical Investigator (Economics and Statistics); Block Health Statistician (Family Welfare); Computor / Computor-cum-Vaccine Store Keeper (Public Health); Statistician (Medical Education; Indian Medicine and Homeopathy); Statistical Assistant (Food Safety and Drug Administration); Statistical Compiler (Public Health); Statistical Inspector (Animal Husbandry); Research Assistant (Evaluation and Applied Research; and Economics/Geography/Sociology/Statistics specializations under Town and Country Planning).

5. Chemistry, Pharmacy & Laboratory Roles

Typical Role: Quality testing, analysis, and regulatory inspection in chemical, pharmaceutical, and industrial contexts.
Core Responsibilities & Duties: Conducting lab analysis/testing of samples (drugs, chemicals, salt, industrial products); ensuring regulatory compliance with quality standards; inspecting manufacturing units; preparing analytical reports; maintaining lab safety protocols.

Posts under this category: Chemist (Industries and Commerce; Industrial Safety and Health; Geology and Mining); Junior Chemist (Industries and Commerce; Tamil Nadu Magnesite); Drug Inspector / Junior Analyst (Drug Control Administration); Inspector of Salt (Industries and Commerce); Laboratory Assistant (Fisheries); X-Ray Analyst (Tamil Nadu Cements Corporation); CCR Operator (Chemical Engineering, Tamil Nadu Cements Corporation); Store Keeper (Forensic Science – Physics/Chemistry background); Junior Scientific Officer (Forensic Science).

6. Geology & Mining Roles

Typical Role: Geological surveys, mineral resource assessment, and mining project supervision.
Core Responsibilities & Duties: Conducting geological surveys and mapping; assessing mineral/groundwater resources; supervising mining operations for compliance; preparing geological reports for infrastructure projects (dams, highways).

Posts under this category: Assistant Geologist / Geologist (Geology and Mining; Water Resources; Public Works; Agricultural Engineering); Assistant Geochemist (Public Works); Executive Geologist (Tamil Nadu Cements Corporation); Mining Engineer (Tamil Nadu Magnesite Limited); Assistant Manager – Mines (Tamil Nadu Minerals Limited); Project Officer (Tamil Nadu Minerals Limited).

7. Finance, Accounts & Costing Roles (Non-Interview)

Typical Role: Junior/assistant-level accounting, costing, and financial recordkeeping.
Core Responsibilities & Duties: Maintaining day-to-day accounts and ledgers; processing bills and payments; assisting in budget preparation; cost accounting for production units; reconciling financial statements.

Posts under this category: Assistant Accounts Officer (Tamil Nadu Medical Services Corporation); Cost Assistant (Industries and Commerce); Junior Manager – Finance and Accounts (Tamil Nadu Urban Finance and Infrastructure Development Corporation, TUFIDCO); Manager (Finance) and Junior Manager (TUFIDCO; Tamil Nadu Co-operative Milk Producers’ Federation/Aavin).

8. IT & Computer Science Roles

Typical Role: Software systems management, network administration, and digital infrastructure support for government departments and PSUs.
Core Responsibilities & Duties: Maintaining and developing IT systems/applications; managing servers and network security; database administration; user support and training; coordinating digitization projects.

Posts under this category: Deputy Manager (Systems) – Aavin; Assistant System Analyst / Assistant System Engineer – CMDA; Computer Programmer – TUFIDCO; System Manager – Civil Supplies and Consumer Protection; Assistant Manager (IT) – ELCOT.

9. Legal & Secretarial Roles (Non-Interview)

Typical Role: Corporate legal support and company secretarial compliance at a junior level.
Core Responsibilities & Duties: Drafting routine legal correspondence; assisting in corporate filings and compliance; supporting senior legal officers in casework; maintaining statutory registers.

Posts under this category: Secretarial Officer (Legal) and Secretarial Officer/Manager – Secretarial (Associate Company Secretaryship) – TIDCO; Executive Officer, Grade I (Hindu Religion and Law) – HR&CE.

10. Social Welfare, Psychology & Counselling Roles

Typical Role: Casework, counselling, and rehabilitation support for vulnerable populations.
Core Responsibilities & Duties: Conducting case assessments and counselling sessions; coordinating rehabilitation/welfare programs; liaising with families and institutions; maintaining case records; running awareness/community outreach programs.

Posts under this category: Assistant Superintendent of Approved Schools / Vigilance Institutions (Criminology, Forensic Science, Psychology); Junior Rehabilitation Officer (Welfare of Differently Abled); Psychologist (Welfare of Differently Abled); Vocational Counsellor (Medical Education); Social Case Work Expert (Prisons and Correctional Services); Community Officer (Tamil Nadu Urban Habitat Development Board); Mass Interviewer (Public Health).

11. Architecture, Town Planning & Environmental Roles (Non-Interview)

Typical Role: Junior planning, architectural drafting, and environmental compliance support.
Core Responsibilities & Duties: Preparing planning drawings/maps; assisting in urban development scheme approvals; monitoring environmental compliance for industries; conducting site assessments.

Posts under this category: Architectural Assistant/Planning Assistant (Town and Country Planning); Junior Architect (Public Works); Junior Planner (CMDA); Assistant Sthapathi (HR&CE – traditional temple architecture); Environmental Scientist (Tamil Nadu Pollution Control Board); Deputy Manager (Environment) – Tamil Nadu Cements Corporation.

12. Other Specialized Non-Interview Roles

TNPSC CTS 2026 Job Roles & Duties – Other Guidelines

The TNPSC CTS 2026 job profile & duty descriptions above reflect the standard functional scope typically associated with each designation and department in Tamil Nadu government service — they’re meant to give you a realistic, practical understanding of what each post involves.

For legally binding duty charters, recruitment rules, and pay scales specific to each post, always cross-check the official TNPSC CTS 2026 notification and the post-wise Special Rules published by the respective department, since exact duties can vary slightly by department and may be revised through government orders.