Design Estimation Engineer

Arakan Electrical Suppliers; Hadapsar; On-site; INR 446,000 - 614,000; Full time

Benefits offered by this job

Salary negotiable

Diverse solar projects

Growth opportunities

Job summary

Arakan Electrical Suppliers Pvt. Ltd. is seeking a Solar Design & Estimation Engineer to support its growing Solar EPC business in Pune.

You will design rooftop and ground-mounted PV systems, perform sizing calculations, prepare BOQs, and develop techno-commercial proposals for rooftop and ground-mounted projects below 1 MW. The ideal candidate has 3–6 years in solar design/estimation, a B.E./B.Tech or Diploma in Electrical Engineering, and proficiency with AutoCAD and PVsyst.

Qualifications

• 3–6 years of solar design/estimation experience.
• B.E./B.Tech or Diploma in Electrical Engineering.
• Experience with rooftop and/or ground-mounted solar projects.
• Strong analytical, calculation and documentation skills.
• Ability to coordinate with BD, procurement and project teams.

Responsibilities

• Design rooftop and ground-mounted PV systems per requirements.
• Prepare preliminary sizing, layouts, and SLDs.
• Evaluate bills, loads and energy consumption.
• Calculate PV capacity, module strings and inverter size.
• Prepare BOQs and project cost estimates.
• Prepare techno-commercial proposals and tender docs.
• Coordinate with vendors for quotations and specs.
• Assist Project Manager during installation and commissioning.
• Maintain estimation records and cost databases.
• Stay updated on solar standards and guidelines.

Skills

PV design

Inverters & cables

Electrical drawings

Cable sizing

AutoCAD

MS Excel

PVsyst

Grid-connectivity

Education

Electrical Engineering degree

Tools

AutoCAD

MS Excel

PVsyst

Job description

SOLAR DESIGN & ESTIMATION ENGINEER

**Company:** Arakan Electrical Suppliers Pvt. Ltd.

**Location:** Pune, Maharashtra

**Industry:** Solar EPC | Renewable Energy | Electrical Infrastructure

**Experience:** 36 Years

**Qualification:** B.E./B.Tech or Diploma in Electrical Engineering. Candidates with relevant solar design and estimation experience will be preferred.

About the Role

Arakan Electrical Suppliers Pvt. Ltd. is looking for a technically strong and detail-oriented Solar Design & Estimation Engineer to support its growing Solar EPC business.

The candidate will be responsible for solar system design, technical calculations, BOQ preparation, cost estimation, tender documentation and techno-commercial proposal preparation for rooftop and ground-mounted solar projects, primarily below 1 MW.

Key Responsibilities

• Design rooftop and ground-mounted solar PV systems based on customer requirements and site conditions.
• Prepare preliminary system sizing, layouts, single-line diagrams (SLDs) and electrical drawings.
• Conduct technical assessments of customer electricity bills, connected loads and energy consumption.
• Calculate solar capacity, expected energy generation, module configuration, inverter sizing and system losses.
• Prepare detailed Bills of Quantities (BOQs), material specifications and project cost estimates.
• Estimate the cost of solar modules, inverters, mounting structures, DC/AC cables, switchgear, earthing, lightning protection and other electrical materials.
• Prepare detailed techno-commercial proposals, quotations, tender submissions and technical compliance documents.
• Coordinate with the Business Development Manager to understand customer requirements and develop competitive proposals.
• Coordinate with vendors and suppliers to obtain quotations, verify technical specifications and compare material costs.
• Conduct site surveys and assess roof area, shading, orientation, access, existing electrical infrastructure and installation constraints.
• Coordinate with structural consultants for rooftop load assessments and with civil engineers for ground-mounted foundations where required.
• Assist in preparing project schedules, procurement plans and preliminary installation budgets.
• Review technical drawings, material specifications and BOQs before procurement and execution.
• Support the Project Manager during installation, testing, commissioning and technical troubleshooting.
• Maintain estimation records, approved drawings, revision histories and project cost databases.
• Keep updated on applicable solar standards, equipment specifications, utility requirements and relevant government guidelines.

Technical Skills Required

• Practical knowledge of rooftop and ground-mounted solar PV systems.
• Understanding of PV modules, string inverters, DC/AC systems, cables, switchgear, earthing and lightning protection.
• Ability to prepare BOQs, SLDs, layouts, cable-sizing calculations and cost estimates.
• Working knowledge of AutoCAD and MS Excel.
• Familiarity with PV design and generation simulation software such as PVsyst or equivalent is preferred.
• Understanding of grid-connected solar systems, net metering, protection requirements and commissioning documentation.
• Ability to evaluate vendor quotations and prepare accurate material and labour estimates.

Eligibility Criteria

• 3–6 years of relevant experience in solar design, estimation or Solar EPC engineering.
• B.E./B.Tech or Diploma in Electrical Engineering.
• Experience with rooftop and/or ground-mounted solar projects.
• Strong analytical, calculation, documentation and problem-solving skills.
• Ability to coordinate with business development, procurement and project execution teams.
• Attention to detail and commitment to accurate costing and timely proposal submission.

Compensation & Benefits

• **Salary:** 40,000–55,000 per month, negotiable based on experience and technical skills.
• Opportunity to work on diverse rooftop and ground-mounted solar projects.
• Professional growth in the renewable energy and electrical infrastructure sector.
• Other applicable benefits as per company policy.

2. Detailed job responsibilities for the appointment letter

A. Solar PV system design

• Prepare preliminary and detailed designs for rooftop and ground-mounted systems.
• Calculate PV capacity, module strings, inverter capacity and system configuration.
• Prepare layouts, SLDs, equipment schedules and cable routing drawings.
• Estimate expected energy generation using suitable software and site-specific assumptions.
• Evaluate shading, orientation, roof area, system losses and technical constraints.

B. BOQ and cost estimation

• Prepare detailed BOQs for modules, inverters, structures, cables, switchgear and electrical accessories.
• Estimate material, labour, transportation, installation, testing and commissioning costs.
• Obtain and compare supplier quotations.
• Prepare project-wise costing sheets, contingency provisions and estimated gross margins.
• Identify cost-saving opportunities without compromising technical quality or safety.

C. Tendering and technical proposals

• Review RFQs, tender documents, technical specifications and customer requirements.
• Prepare technical offers, commercial BOQs, compliance statements and tender documentation.
• Coordinate with the Business Development Manager on pricing and proposal submission deadlines.
• Identify deviations, exclusions, assumptions and technical risks before submitting offers.
• Maintain revision-controlled records of all proposals and drawings.

D. Site survey and execution support

• Conduct site surveys and collect technical measurements, photographs and electrical information.
• Coordinate structural assessments and civil design inputs with qualified specialists.
• Assist the Project Manager with approved drawings, material specifications and technical clarifications.
• Review as-built drawings, commissioning records and project handover documents.
• Support troubleshooting and ensure deviations from approved designs are documented and authorized.

E. Quality and compliance

• Check designs and equipment selections against applicable standards and project specifications.
• Verify electrical calculations, protection requirements and equipment compatibility.
• Coordinate applicable grid-connectivity and metering documentation.
• Ensure technical submissions are consistent with applicable regulations and customer requirements.
• Obtain qualified review or approval wherever required; do not independently certify structural or specialist designs outside the employee's competence.