System Administrator
Resume Metrics

The Numbers Recruiters Look For

The System Administrator resume metrics that earn a read: which numbers to use, what good looks like, and where to find each one. Built from 12 years of recruiting, including many years at Google.

Emmanuel Gendre, former Google Recruiter and Tech Resume Writer

Authored by

Emmanuel Gendre

Tech Resume Writer

Last updated: June 4th, 2026 · ~10 min read

Get a Free System Administrator Resume Review

I review personally all resumes within 12 hrs

PDF, DOC, or DOCX • under 5MB

Want to read more first? See how the resume review works →

12 Years recruiting
10,000s Resumes screened
1,500+ Resumes rewritten
★4.9 Fiverr • 419 reviews
Ex-Google Recruiter
Emmanuel Gendre, former Google Recruiter and Tech Resume Writer

From the author

Emmanuel Gendre, ex-Google recruiter

A recruiter's opinion on system administrator resume metrics

Almost every resume guide circles one piece of advice: quantify your work. A system administrator is well placed for it, since running systems spits out hard figures, an uptime percentage, a patch-compliance rate, a restore time anyone can confirm.

But which warrant room on the resume? Which tool gives you each one? And can a single figure really swing a hiring decision?

Over a long stretch recruiting for names like Google, the sysadmins who earned call-backs shared a habit: they tied their work to something the business genuinely felt. Not “kept the servers running” but “held the fleet at 99.99% uptime and cut critical-patch time from 30 days to 3.” That proof is already sitting in your own monitoring and backup data, waiting to be used.

Settling on the figures that earn their place and pitching them so a recruiter feels the weight makes up most of my resume writing service. Below I cover every figure that wins a place on a system administrator resume: what it conveys to a reader, the spot it occupies, and how to press it into a single line that reads as proof.

Want a second look first? Ping me for a brief once-over, free.

Start here

Why metrics matter on a System Administrator resume

I detail the whole screening in a standalone piece on how recruiters screen resumes, and it breaks into stages. The recruiter gets through the opening rounds: a swift look over your profile summary, then whatever roles you held lately. Next a senior sysadmin or the hiring manager works through the detail and decides if you actually have the craft.

So your numbers meet two readers in turn: the recruiter, and then a hands-on engineer who can judge in a blink what a 99.99% uptime or a same-hour restore really means.

A recruiter hardly registers the figure; they hunt for keywords. The hiring manager over you is the one who notices “cut critical-patch time from 30 days to 3” and sees the graft it took. That is precisely its value: proof you keep systems secure and up, not just switched on.

And the three carry different weight. If yours looks modest, no worries: for a sysadmin, having one real figure already places you above most resumes.

Here is how the three split out:

The logic

Which types of metrics to use
for a System Administrator resume

Put hours into the Job Search Toolkit and you will know I link every resume back to a role profile. As a refresher: a role profile is the bundle of core competencies a role is really recruiting for.

That yardstick is what a recruiter holds you to. The system administrator resume guide spells out what each part needs to hold.

Every slice of the sysadmin profile deserves a line on the resume, ideally inside a recent role, with its supporting figure right beside it.

I split those under the metric types. A system administrator carries six, one for each major slice of the work. These six:

The full list

The full list of System Administrator resume metrics

Six types of metric are open to a system administrator, spanning uptime and patch compliance through to recovery time and access hygiene. The five that a hiring manager rates most inside each type lead the list. Every entry gives the definition, the average, good, and great bands, where you pull it from, plus a bullet to borrow. Most of it sits a click inside the tools you live in: monitoring, the patch console, backup logs, and the directory. The System Administrator resume skills page covers the rest.

1

Uptime & Reliability

The job stands or falls on whether the systems stay up. These figures prove the servers you ran kept running and came back fast when they did not.

Server uptime

Uptime held on the systems you ran.

Benchmark

Average99%
Good99.9%
Great99.99%

Measure with

Grafana Prometheus

Example bullet

Held core servers at 99.99% uptime for a full year.

Unplanned downtime

Outage time taken off the board.

Benchmark

Averagehours
Goodminutes
Greatnear zero

Measure with

Datadog Grafana

Example bullet

Cut unplanned downtime 70% by catching problems early.

Mean time to recovery

How fast a downed system came back.

Benchmark

Averagehours
Good< 1 hr
Greatminutes

Measure with

Datadog Grafana

Example bullet

Brought mean time to recovery under 30 minutes.

Monitoring coverage

Share of hosts actually watched.

Benchmark

Averagepartial
Goodbroad
Greatfull

Measure with

Prometheus Grafana

Example bullet

Took monitoring coverage to every production host.

Alert noise

Noise trimmed so real issues show.

Benchmark

Averagehigh
Goodlower
Greattuned

Measure with

Datadog Prometheus

Example bullet

Cut alert noise 60% so the real incidents stood out.

2

Patching & Vulnerability Hygiene

Unpatched servers are how most breaches start, and a hiring manager knows it. They prove you kept the fleet current and closed holes fast.

Patch compliance

Share of the fleet fully patched.

Benchmark

Averagemost
Good95%
Great99%+

Measure with

Microsoft Ansible

Example bullet

Held patch compliance at 99% across 600 servers.

Patch cadence

How often patching actually ran.

Benchmark

Averagequarterly
Goodmonthly
Greatweekly

Measure with

Microsoft Red Hat

Example bullet

Moved patching from quarterly to a steady monthly cycle.

Remediation time

Time to close a critical CVE.

Benchmark

Averageweeks
Gooddays
Greathours

Measure with

Microsoft Ansible

Example bullet

Cut critical-CVE remediation from 30 days to 3.

Systems current

Share on a supported OS version.

Benchmark

Averagelagging
Goodmostly
Greatall

Measure with

Red Hat Microsoft

Example bullet

Got every server onto a supported OS version.

Vulnerability backlog

Open findings burned down.

Benchmark

Average-30%
Good-60%
Great-90%

Measure with

Microsoft Ansible

Example bullet

Burned the vulnerability backlog down 85% in two quarters.

3

Backup & Recovery

Backups only count if they restore, and that is exactly what an interviewer probes. These show your backups were real and your recovery was tested.

Backup success rate

Share of backups that completed clean.

Benchmark

Averagemost
Good98%
Great99.9%

Measure with

Veeam VMware

Example bullet

Held backup success at 99.9% across the estate.

Recovery point (RPO)

How much data a failure could cost.

Benchmark

Average24 hr
Goodhours
Great< 1 hr

Measure with

Veeam VMware

Example bullet

Tightened RPO from a day to under an hour on critical systems.

Recovery time (RTO)

How fast a system came back.

Benchmark

Averagedays
Goodhours
Great< 2 hr

Measure with

Veeam VMware

Example bullet

Cut RTO from two days to two hours with tested runbooks.

Restore drills

How often restores were rehearsed.

Benchmark

Averagenone
Goodyearly
Greatquarterly

Measure with

Veeam VMware

Example bullet

Ran quarterly restore drills that actually worked.

Recovery proven

Coverage of recovery you tested live.

Benchmark

Averageuntested
Goodpartial
Greatfull

Measure with

Veeam VMware

Example bullet

Proved full recovery of every tier-1 system in a live test.

4

Identity & Access

Identity is where most internal risk hides, so these numbers carry weight. They show you moved access fast on the way in and shut it off on the way out.

Provisioning time

Time to set up a new account.

Benchmark

Averagedays
Goodhours
Greatminutes

Measure with

Microsoft Okta

Example bullet

Cut account provisioning from 2 days to 15 minutes.

Deprovisioning

How fast a leaver lost access.

Benchmark

Averageslow
Goodsame day
Greatinstant

Measure with

Okta Microsoft

Example bullet

Got leaver accounts disabled within the hour, closing a real gap.

Stale accounts

Dormant accounts cleaned out.

Benchmark

Averagemany
Goodfew
Greatnone

Measure with

Microsoft Okta

Example bullet

Cleared 1,400 stale accounts out of Active Directory.

MFA coverage

Share of staff on multi-factor.

Benchmark

Averagepartial
Goodmost
Great100%

Measure with

Okta Microsoft

Example bullet

Rolled MFA to 100% of staff in one quarter.

Access reviews

How often access got reviewed.

Benchmark

Averagead hoc
Goodyearly
Greatquarterly

Measure with

Microsoft Okta

Example bullet

Stood up quarterly access reviews the auditors signed off.

5

Automation & Toil Reduction

The strongest sysadmins automate themselves out of the repetitive work. These show you turned manual routines into scripts and got real hours back.

Manual hours saved

Routine time scripting gave back.

Benchmark

Averagesome
Good-40%
Great-70%

Measure with

PowerShell Ansible

Example bullet

Saved 15 hours a week scripting the routine jobs.

Tasks scripted

Repeat work moved off by hand.

Benchmark

Averagefew
Goodmany
Greatmost

Measure with

PowerShell Bash

Example bullet

Scripted the top 20 repeat tasks the team did by hand.

Runbook automation

Manual checklists turned into code.

Benchmark

Averagemanual
Goodpartial
Greatautomated

Measure with

Ansible PowerShell

Example bullet

Turned a manual build checklist into one Ansible run.

Config consistency

Drift removed across the fleet.

Benchmark

Averagedrifting
Goodmanaged
Greatenforced

Measure with

Ansible PowerShell

Example bullet

Brought 500 servers under config management, ending drift.

Onboarding automation

New-hire setup done hands-off.

Benchmark

Averagemanual
Goodpartial
Greatautomated

Measure with

PowerShell Microsoft

Example bullet

Automated new-hire setup end to end, saving a day per hire.

6

Security & Compliance

Sysadmins own the controls an auditor comes looking for. They prove you hardened the systems, closed the findings, and held access to the few who needed it.

Hardened baselines

Servers built to a secure standard.

Benchmark

Averagenone
Goodpartial
Greatenforced

Measure with

Microsoft Linux

Example bullet

Rolled CIS-hardened baselines to every server.

Audit findings

Open findings closed before audit.

Benchmark

Averagemany
Goodfew
Greatzero

Measure with

Microsoft Okta

Example bullet

Closed every finding before the SOC 2 audit.

Endpoint protection

Share of endpoints fully covered.

Benchmark

Averagemost
Good95%
Great100%

Measure with

Microsoft Okta

Example bullet

Got endpoint protection to full coverage.

Least privilege

Admin rights cut to who needs them.

Benchmark

Averagebroad
Goodtighter
Greatenforced

Measure with

Microsoft Okta

Example bullet

Cut admin rights to the few who truly needed them.

Policy compliance

Standing against the security policy.

Benchmark

Averagepartial
Goodmost
Greatfull

Measure with

Microsoft Linux

Example bullet

Held full compliance with the security policy across audits.

Do the numbers on your sysadmin resume hold up?

Running systems hands you metrics most engineers would envy: uptime, patch compliance, recovery time. The common miss is dropping them and stuffing the page with product names instead. Tough to catch on a draft of your own making.

Let me have a look.

I'll run through your System Administrator resume the way a hiring manager would, calling which figures earn their place and which to bin. Free, inside half a day.

Get a Free System Administrator Resume Review

I review personally all resumes within 12 hrs

PDF, DOC, or DOCX • under 5MB

Want to read more first? See how the resume review works →

Qualitative metrics

What if my work didn't leave a number?

Plenty of strong sysadmin work will not condense to a neat number: a hardening project that quietly closed a hole, a cleanup no one ever sees. With no figure on hand, the piece you owned and the difference it made still counts for a lot. Each card here maps a plain route there, plus a line to borrow.

1

Uptime & Reliability

Practice introduced

When to use it: there was no monitoring before you

Example bullet

Stood up the monitoring the whole team now watches.

Reliability owned

When to use it: keeping the servers up was yours

Example bullet

Owned the systems that ran a full year with no unplanned outage.

Before / after direction

When to use it: uptime got better but nobody recorded it

Example bullet

Tuned the alerts until problems got caught before users felt them.

2

Patching & Vulnerability Hygiene

Practice introduced

When to use it: patching was ad hoc before you

Example bullet

Built the patch cycle the team now runs to a schedule.

Risk owned

When to use it: clearing the patch backlog fell to you

Example bullet

Owned the push that got a neglected fleet fully current.

Before / after direction

When to use it: servers got patched but nobody quantified it

Example bullet

Tracked compliance until an unpatched server was the exception.

3

Backup & Recovery

Practice introduced

When to use it: backups went untested before you

Example bullet

Set up the restore drill the team now trusts.

Recovery owned

When to use it: proving recovery worked was yours

Example bullet

Owned the work that turned untested backups into proven recovery.

Before / after direction

When to use it: backups completed but nobody checked them

Example bullet

Ran restores until recovery stopped being a guess.

4

Identity & Access

Practice introduced

When to use it: there was no joiner-leaver process

Example bullet

Built the access process every new hire and leaver now follows.

Access owned

When to use it: cleaning up identity was yours

Example bullet

Owned the cleanup that cut years of stale accounts from the directory.

Before / after direction

When to use it: access got tighter but no one reviewed it

Example bullet

Set up reviews until old access stopped piling up unnoticed.

5

Automation & Toil Reduction

Practice introduced

When to use it: everything was done by hand before you

Example bullet

Wrote the scripts the team now runs instead of clicking through it.

Automation owned

When to use it: wiping out the busywork was yours

Example bullet

Owned the automation that gave the team a day a week back.

Before / after direction

When to use it: tasks got scripted but no one counted the hours

Example bullet

Automated the routine until the repeat work stopped eating the day.

6

Security & Compliance

Practice introduced

When to use it: there was no hardening standard before you

Example bullet

Set the baseline every server is now built against.

Audit owned

When to use it: walking the audit clean was yours

Example bullet

Owned the work that cleared the audit with no findings.

Before / after direction

When to use it: hardening went in but no one watched drift

Example bullet

Locked the baselines until a misconfigured server got caught fast.

System Administrator, or just the person who keeps the servers on?

A heap of product names is no evidence you keep systems up and secure; only the numbers are. Show me the draft and I'll mark what shows real impact and what is still a bare tool list.

What returns is an honest read of the full resume, with a brief set of concrete fixes, inside 12 hours, my treat.

Get a Free System Administrator Resume Review

I review personally all resumes within 12 hrs

PDF, DOC, or DOCX • under 5MB

Want to read more first? See how the resume review works →

Frequently asked

System Administrator resume metrics FAQ

Swing to the qualitative side instead. A hard number is the ideal, but what you ran and how far it reached carry weight too. Point to the outage you designed out, the box you pulled back from the edge, or the backup routine the team leans on now. Every qualitative card above ships with one worked example you can borrow.

Yes, when the figure is well grounded and could defend it cleanly if asked. Say a server came back far quicker once you rebuilt the process, but you never logged the precise time: 'cut recovery time roughly in half' still stands. Reach for relative percentages when the underlying values are sensitive, and have the path to them ready.

Never. A sysadmin number is simple to test: an interviewer may ask which screen showed the uptime or how the recovery got timed. Invent one and it falls apart on the first follow-up, and your credibility follows it down. A qualitative angle survives that and still lands the point.

Far from all. Keep the figures to the lines under your latest role, the ones a recruiter hits first. Tag every line and the good ones get lost in the pile while you grab for filler. A handful of solid metrics outdo a screen full.

Whichever lands harder wins. A large proportional shift suits a percentage ('cut unplanned downtime 60%'), while a large raw figure carries itself ('a 600-server fleet'). Bin any solo percentage with no backing. Where the space is earned, pair them: 'cut recovery time 75%, from two days to two hours.'

Yes, and these numbers are within easy reach for most juniors. A service you quickened with a before and after, the uptime you kept on a small project, the backup you automated, plus the patch routine you scripted each trace back to a single project or a homelab. No sprawling production fleet required, only evidence your work changed something real.

Not far at all, really. Uptime and outages get tracked across your monitoring tools (Grafana, Datadog, or each host's own stats); patch compliance shows in your patch console; backup and restore timings are in the backup logs; access and audit records are in the directory. When the system is well behind you, estimate cautiously and label it clearly.

Just the one, up at the very top. One figure, how big the fleet you ran was or your peak uptime or recovery win, earns a few extra seconds of a recruiter's attention. Hold the rest for the work-experience bullets. The system administrator resume guide covers shaping that summary.

Who wrote this

Built by an ex-Google recruiter

Emmanuel Gendre, former Google Recruiter and Tech Resume Writer

Emmanuel Gendre

Former Google recruiter · 12 years · 1,500+ tech resumes rewritten

I screen System Administrator resumes the same way I did at Google: against the role profile, against the JD, and against the bar real hiring managers set. The metrics on this page are the ones I tell my own clients to chase.

Read my full story →

More resources

Other System Administrator Resume Resources

Resume Guide

System Administrator Resume Guide

The full walkthrough from format to skills, by an ex-Google recruiter.

Skills

System Administrator Resume Skills & Keywords

The exact stack and ATS keywords that clear the screen in 2026.

Template

System Administrator Resume Template

Free, interactive, pre-filled. Edit the placeholders and download as PDF.

Service

System Administrator Resume Writing Service

If you'd rather have me rewrite it. 4.9 stars on Fiverr, 419 reviews.