Ok these are just suggestions for interview prep from a coach:
Research website, values etc. Google news about them. Research interviewers if possible. Know job spec thoroughly. Prepare STAR examples. What is the process - tests?
Know your previous roles in depth, think about achievements in each role, know the job spec, so you can relate past experience/learning to the role
Tell me about yourself - brief synopsis of recent years
Questions about your CV - motivations for moving to each role, what did you learn, what skills did you need
Why do you want this job - 3 reasons you want the role (what they do, values, info from external sources-don't mention benefits or location), 3 facts about the organisation, enthusiasm for role and organisation
What your colleagues, boss, friends say about you? How people see you in workplace/how you work with authority/external stakeholders
What are your strengths? 3-4 strengths and brief example for each one
What qualities do you think an X needs to be successful?
What are your weaknesses? What areas do you need support? What areas do you feel you need development in to be successful in this role?
Where do you see yourself in 2/5 years time?
What is your greatest achievement to date?
How do you measure personal success?
What has been your biggest challenge/failure to date?
Competency Questions
Skills/personal attributes/qualities listed on job spec.
Use STAR. Describe Situation Task Action Result. Use I not We. Include processes/considerations/any challenges, complexities, dilemmas/outcome/learrning
Examples related to job spec
Also Teamwork, problem solving approach/examples
What challenges do you foresee in the role
Prepare a few questions for them - development, training. Nothing obvious on job spec.
Be 5-10 mins early. Be aware of and try to engage everyone. Don't play with phone in reception. Interact with receptionist etc. When approached stand, firm handshake, smile, eye contact. Interact on way to interview roon. Accept water. Smile throughout and look at all interviewers. Don't fidget, hair etc. Mention competencies in your answer so they can be ticked off. Thank for time, smile and state your interest in role at the end.
Nerves
Breathe. You have the skills, knowledge and experience. You are prepared, there are no trick questions. They are people, they want you to do well. It is a 2 way prrocess. If you are not sure ask them to clarify the Q, be honest if you don't know. If you are still nervous tell them.