Job Description

CORPORATE OFFICE, Kolkata, West Bengal, India








Department
TENDERING, BIDDING & ESTIMATION
Job posted on
Oct 09, 2025
Employee Type
REGULAR
Experience range (Years)
5 years - 10 years

JOB DESCRIPTION

SECTION I: BASIC INFORMATION ON THE ROLE

Position Name

Manager Tender,Estimation& Costing

Function

Line of Business

BESS

Grade

Reporting to

Functionally

Administratively

Roles Reporting into

No. of employees

Role Description

SECTION II: JOB SUMMARY

The Manager - Proposals & Tenders will lead the preparation, development, and submission of winning proposals for Battery Energy Storage System (BESS) projects. This position requires a strong technical and commercial understanding of BESS technologies, EPC project environments, and global bidding processes. The role is critical in converting business opportunities into successful project wins.

SECTION III: DO - KEY ACTIVITIES AND RESPONSIBILITIES OF THE ROLE

Perspective

Responsibility

Job Responsibilities

Proposal Management:

Lead end-to-end preparation and submission of technical and commercial proposals for BESS projects. Review tender documents (RFQs, RFPs, RFIs) and ensure compliance with all customer requirements. Collaborate with internal teams (engineering, procurement, finance, legal) to gather inputs for proposal content.

Technical Expertise:

Ensure technical soundness of proposed solutions including sizing, layout, configuration, and integration of BESS. Provide oversight on design concepts, single-line diagrams, and compliance with relevant codes/standards.

Commercial Strategy:

Develop competitive pricing models and cost estimations including CAPEX and OPEX. Analyze competitor offerings and strategize value-added propositions.

Team Leadership:

Build and manage a cross-functional tendering team. Assign responsibilities, set deadlines, and ensure quality control for all deliverables.

Customer Engagement:

Participate in pre-bid meetings, technical clarifications, and negotiations with clients. Maintain strong relationships with key stakeholders and industry partners.

Risk Assessment & Compliance:

Conduct risk assessments and ensure compliance with corporate and customer policies. Coordinate legal, tax, and financial reviews prior to submission.

Lead technical evaluations for BESS projects, supporting the presales team
with customized solutions that meet client requirements.
Conduct detailed cost analysis and equipment selection to ensure optimal
system performance within budget constraints.
Collaborate with vendors and stakeholders to identify cutting-edge battery
technologies and balance of system (BoS) components.
Prepare comprehensive proposals and presentations for clients, highlighting
the technical benefits and financial advantages of proposed solutions.
Oversaw the technical aspects of vendor selection, ensuring alignment with
project specifications and cost objectives.
Developed strong relationships with key vendors, securing favorable pricing
and delivery terms for critical energy storage components.

SECTION IV: DELIVER - KEY OUTPUTS / RESULTS FROM THE ROLE

Key Performance Indicators (KPI) What are the measurable indicators for the role?

Measurable Deliverables

At least 5 years specific to BESS, energy storage, or hybrid power systems.
Knowledge of global BESS standards (e.g., UL 9540, IEC 62933, IEEE 1547).
Strong understanding of grid integration, inverters, EMS, and SCADA systems.

SECTION V: DISPLAY - KNOWLEDGE & SKILLS

In this section, please mention the qualification, technical skills and capabilities which are essential to execute the role. It may be a reflection of your own qualification and skills

Qualification and technical skills required to execute the role. Please mention any functional knowledge. E.g. PhD in xyz

Qualifications

Bachelor's/Master's in Electrical Engineering, Renewable Energy, or related field.

Technical Skills

MS Office & Project, Knowledge of SAP is preferred

Experience levels required to execute this role

E.g. 2-5 yrs of experience as an Electrical Engineering in Battery/Solar Grid

Specific Experience

5 - 10 years in electric engineering in Battery/Automative.

Over all Experience

5 - 10 years in electric engineering in Battery/Automative.

Behavioral skills / competencies required for the role. E.g. Attention to detail

Behavioral Skills

Excellent problem-solving skills and attention to detail. Strong communication skills, both written and verbal. Ability to work in a team environment and manage multiple projects simultaneously.

SECTION V: KEY INTERACTIONS

Mention names of the roles which are not in your department with whom this role interacts

Key Interaction - Internal

Nature or purpose of interaction

Team Members and Inter-departmental members

Seek instructions, provide technical advice * Keep them informed of progress