Glassdoor users rated their interview experience at NOMAC as 100% positive with a difficulty rating score of 3 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for I&C Maintenance Engineer and rated their interviews as the hardest, whereas interviews for I&C Maintenance Engineer and roles were rated as the easiest.
Ask me about RO membrane cleaning procedures, Many have asked about the best practices for RO membrane cleaning and how to maintain peak efficiency. Beyond cleaning, it is crucial to monitor key parameters like TDS, Chloride levels, and pH balance to prevent fouling and corrosion. Always prioritize Safety protocols when handling chemicals to ensure both system longevity and operator protection
I applied through an employee referral. The process took 2 weeks. I interviewed at NOMAC (Ras Gharib) in Dec 2025
Interview
I applied for the position via LinkedIn and was contacted by HR about two weeks later to schedule an online interview. The interview was conducted with both the CEO and General Manager, lasting about 60 minutes. The process was well-organized, respectful, and focused on both technical and managerial competencies.
Interview questions [1]
Question 1
Q1.. Introduce your self? Q2.what are the KPI for O&M Dep.? Q3. one IQ test ? Q4. what is the mean by accountability? how you can balance your life ? Q5. what you will do if make a wrong decision ? Q6. how you can make a risk assessment ? Q7. who you can plan for shutdown with different teams ? Q8. how to keep your team motivated ? Q9. how to be proactive in safe environment ? Q10. who you can be sure the work is done as you plan? Q11. Explain the MTTR and MTBF ? Q12. what you will do if the sub-contractor dose not doing work as agreement ? q13. what is your expected salary? what is the PR for your previse site? and the components ? what is the main KPI for operations ? what is the main KPI for Maintenance? what is your strength points ?
Very technical question and required detailed answer with explanation on the method and rectification.
Steps of performing the test and machine model.
Situation based questions and need to elaborate the answer
Interview questions [1]
Question 1
What is hipot test and what is the purpose of doing it