Eh? So that entire list of bullet points on the first page is from one employer?
You could turn this into a 1 page CV tbh...
No one cares if you purport to have "streamlined process...", "assisted colleagues...", "resolved staff and student claims in a positive and timely manner" - that's just pointless fluff that people needlessly put in about themselves... you might as well have thrown in claims about being "organised" or being a "self starter" etc... it's all waffle and tells us nothing about what you actually do in your role or what you've achieved.
Also you've got a section for your skills, you don't need to duplicate that by using bullet points to list the same skills under the work experience section
What is interesting is just getting across the gist of what you did there and maybe some key achievements (if they are worth mentioning, otherwise don't force some in). You don't need much for the previous roles, the important one is the current one, I don't care much about the details of the entry level IT tasks you did 7 years ago if you're doing something rather more advanced now - it is good to mention the role as it shows progression but beyond that meh...
You could do that in about a third of the page and then whack in your education and skills on the same page too - you've got a college course, a foundation degree and a (pending) Bachelors degree - that isn't going to be hard to fit in.
I'd be tempted to lay it out more like the below - don't needlessly confuse them with overlapping timelines etc...
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Employer
Network Systems Officer 2018 - Present
(insert say 3 lines talking about this role)
.
.
MI Systems Officer 2014 - 2018
(no one gives a **** if you were actually 80% this role and 20% the entry level role - just keep it simple and talk about this role for a couple of lines)
.
IT Technician 2012 - 2014
(doesn't need more than 1 line really, it's your entry level role from years ago at the same employer as the above roles, don't need many details)
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Just keep it simple, no one wants to read a whole page of bullet points especially if there is a load of fluff/pointless ones thrown in. Showing some progression is great though, if you've been somewhere for 7 years then progressing in terms of job titles etc.. tells a nice story.
It could be worth throwing in a few lines at the end to tell them a little bit about yourself - few hobbies etc... for example I used to go scuba diving (I don't anymore) but had it on my old CV and it was a talking point in a couple of interviews. If you find a common interest then that allows a little break in the interview (one interviewer started going off about wrecks he'd dived on in the north sea for example) or have a hobby or have done something that they might find interesting even if it isn't a common interest then it is worth putting it down.
That's a bit generic tbh... better to think about what job you'd actually want to do then find relevant companies.
