How to get hired
Electrical design jobs come in three flavours. Read the job description for these clues.
Building and industrial electrical design
Consultancies and MEP firms design the electrical systems for factories, hospitals, data centres, airports and commercial buildings. The work: load schedules, single-line diagrams (SLDs), cable sizing and voltage drop, short-circuit and breaker selection, earthing and lightning protection, lighting design, and layouts in AutoCAD or Revit. Indian projects follow IS codes and the National Building Code; overseas projects in these firms' Indian offices use IEC, BS or US NEC rules, which you learn on the job.
Substation and transmission design
Primary design covers the layout, equipment selection, clearances, earthing grid (IEEE 80 is the common method) and structures of a substation. Secondary design covers protection, control and SCADA: relay panels, schematics, wiring diagrams and the interlocking logic. Titles look like "Lead Engineer – Secondary Substation" or "Principal Engineer – Substation". OEMs of grid equipment and the engineering arms of global firms run large teams for this in Bengaluru, Chennai, Vadodara and the NCR. Big renewable parks, such as the Khavda renewable energy park in Kutch, keep these teams busy.
Power system studies and protection
Study engineers model the network in ETAP, DIgSILENT PowerFactory, PSS/E or PSCAD: load flow, short circuit, relay coordination, arc flash, harmonics, transient and grid-connection studies for solar and wind plants. Protection engineers set and test relays. This is the most specialised track; an M.Tech in power systems is common here, and simulation projects from college count.
Panel and control design
Panel builders and automation companies hire design engineers for LT panels, MCCs and control panels. EPLAN or AutoCAD Electrical is the tool, and the job sits close to the factory floor. It is one of the easier entries for freshers and diploma holders.
The design test
Most employers set one. Expect to:
- Size a cable for a given motor or feeder: current, derating for grouping and temperature, voltage drop, short-circuit withstand
- Draw an SLD for a small plant with a transformer, DG set, main panel and feeders
- Pick a transformer and breaker ratings from a load list
- Explain how you would coordinate an overcurrent relay with a downstream fuse
Practise these by hand with a calculator and the manufacturer catalogues. Software skills (ETAP, DIALux, EPLAN) come next, and many interviewers ask you to explain what the software did.
Getting in from site or factory
Two or three years in testing, commissioning or site execution is the most common entry. While there, ask for the design drawings, check them against what you see built, and note every change you raised. That list is the strongest thing you can say in a design interview. ETAP and similar courses help only if you can explain the study, not just the clicks.
What the work is like
Office hours, often hybrid in larger firms, with deadline pressure before drawing submissions and client reviews. You will spend time on calls with overseas clients if your firm designs for other countries. Site visits and factory acceptance tests break up the desk work. Design engineers rise to Senior and Lead Engineer, then Discipline Lead or Design Manager; pay improves sharply for engineers who can sign off a study or lead a substation package on their own.