Resume synonyms
Synonyms for "Maintained" on a resume
"Maintained" implies you kept the lights on and nothing more. That is a hard bullet to hire from, even when the reliability work behind it was genuinely difficult. Reframe around uptime, scale, or cost of ownership.
When to actually use "maintained"
Use it for genuine steady-state ownership, and always attach an availability, volume, or cost number that shows the difficulty.
ATS-friendly alternatives
Operated
You ran a production system day to day.
Administered
You managed a platform, database, or environment.
Sustained
You held performance steady under growth or pressure.
Maintained uptime of
Lead with the number rather than the verb.
Modernized
You did more than maintain — you upgraded it.
Hardened
You improved security or resilience of an existing system.
Serviced
You supported a fleet, portfolio, or account base.
Curated
You kept a dataset or library accurate and current.
Before & after bullets
— Maintained the company's servers.
+ Operated a 140-node production fleet at 99.97% uptime while cutting annual hosting cost by $190K.
— Maintained the customer database.
+ Curated a 1.2M-record customer database, raising data-completeness from 68% to 94% and cutting bounce rate on campaigns by half.
Avoid these phrasings
These weaken the bullet and can hurt your ATS score:
- "Maintained various systems"
- "Kept things running"
- "Was responsible for upkeep"
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