Put the credential in three places and stop there. Beside your name in the header as the postnominal, so a human sees it before anything else. Inside a Licenses and Certifications section, written out in full with the issuing state, the number, and the year, for example Professional Engineer (PE), Texas, No. 000000, 2023. And once inside the summary, because a keyword filter may be matching the two-letter string, the words "Professional Engineer", or the phrase "registered civil engineer", and you cannot know which. Add the states you hold comity or reciprocity in if you hold more than one, since a multistate firm reads that as immediate billable capacity.
If the license is still ahead of you, be exact about where you stand rather than silent. EIT certified, or FE passed with the PE exam scheduled, is a concrete fact that a hiring manager can plan around. Vagueness here reads as evasion, and it costs you the same interview a plain sentence would have won.
A junior civil engineer resume is then built from real work done under supervision, described precisely. Say what you drafted, what you took off, what you inspected, and what you calculated, and name the engineer or the phase you did it under. Coursework capstones count when you treat them like projects: the design problem, the code you applied, the software you modeled it in, the deliverable you handed over. So do internships, co-ops, field and survey work, and concrete or soils testing. A GPA above roughly 3.5 is worth keeping for the first two or three years, and after that the projects have earned the space it was using.