$115k - $155k
Role: Senior IT Systems Administrator Location: San Diego, CA (in-office) Salary: $115,000 - $155,000 / yr + stock options, 401k matching, and other benefits Role Overview: Seasats is growing rapidly, and we're looking f…
Engineering & IT · San Diego, CA
Systems Administrator jobs in San Diego, CA
Systems administrators keep an organization's servers, networks, and core services running — handling installs, patching, backups, permissions, and the problems that surface in between.
218
Open roles today
$28–$74/hr
Typical pay range
$100k
Median, full-time
6
Fresh in this list
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01
Open systems administrator roles
12 shown of 218 · sorted by freshness
San Diego, CAJob TypeFull-timeDescriptionClient Solution Architects (CSA) is currently seeking a Systems Engineer III to support a program onsite in San Diego, CA,This position will support critical naval software delive…
$150k - $244k
Staff / Sr Staff Engineer - System SoftwareCategorySoftwareLocationSan Diego, CA ExperienceMore than 8 Years Work Expe.Job Description• Bring up new platform boards and verify the major functions independently• Regular s…
$100k - $130k
Clearance: SecretBusiness Unit: Zachary PiperPosition Owner: Logan SeitzZachary Piper Solutions is looking for a Senior Linux System Administrator to join a large DOD program in San Diego, CA. Essential Duties of the Sr…
Clearance: SecretBusiness Unit: Zachary PiperPosition Owner: Julia McLeanZachary Piper Solutions is seeking a Windows & Linux System Administrator to support a company focused on Research, Development, Test, and Evaluati…
$109.2k - $150.15k
production of highly complex optical, mechanical, electrical, and system- level assemblies used in advanced lithography systems.As a... ...controlled technology, as defined in theUnited States Export Administration Regul…
Job Title: Systems Administrator Location: 5 days onsite in San Diego Clearance Required: Secret Job Type: Contract To Hire Must Have Active Secret clearance Certifications (IAT Level II) One of the following: CySA+, Sec…
$100k - $120k
10445 – Systems Administrator Location: San Diego, CA (5 days on-site) Company Overview Hyundai AutoEver America (HAEA) is the dynamic IT powerhouse behind Hyundai Motor Corporation, a Fortune 500 global leader in the au…
We are seeking a Senior CJA Implementation Engineer to lead the design, implementation, configuration, and reporting of Adobe Customer Journey Analytics (CJA) alongside a website implementation. The role will support the…
$115k - $135k
System Administrator Expeditionary Systems (OpAI) The Marlin Alliance, Inc. | San Diego, CA | 100% On-Site | Clearance Required This position requires an ACTIVE DoD security clearance. Applicants who do not currently hol…
Systems Administrator with strong Windows Server and Networking experience to support an enterprise IT environment. The ideal candidate will have solid experience administering Windows infrastructure, Active Directory, a…
$100k - $135k
solutions. From software-defined radios to cutting-edge cryptographic systems and avionics, everything we build powers the next era of New... ..., together. A DAY IN THE LIFE: As an IT Systems Administrator III , you’ll…
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What systems administrators earn in San Diego
Hourly first — that's how the offer arrives
| Experience | Hourly | Annual, full-time |
|---|---|---|
| Entry level | $28–$41 | $59k–$85k |
| Mid level | $41–$56 | $85k–$116k |
| Senior | $54–$74 | $112k–$153k |
Adjusted for the San Diego market from national ranges.
03
What employers ask for
The skills these listings keep naming
Windows Server and Active DirectoryLinux administrationNetworking (DNS, DHCP, VPN)Virtualization (VMware, Hyper-V)Backup and disaster recoveryScripting (PowerShell, Bash)Microsoft 365 / Azure ADPatch and endpoint managementDocumentation
04
Interview questions worth rehearsing
With the thing the interviewer is actually listening for
Users report they cannot access a shared drive. How do you troubleshoot?
Work in layers: scope (one user or many), network, permissions, and the server itself. Narrating a clear elimination process is the whole answer.
Walk me through your backup and restore strategy.
Cover the 3-2-1 principle, retention, and — most importantly — actually testing restores. 'Backups exist' means nothing until a restore succeeds.
How do you roll out patches without breaking things?
Talk about test groups, maintenance windows, rollback plans, and prioritizing by severity. Balance security urgency against stability.
Tell me about a major outage you handled.
Structure it: detection, communication, fix, and what you changed afterward. Mentioning how you kept users informed matters as much as the fix.
How do you manage user onboarding and offboarding securely?
Describe standardized checklists or automation, least-privilege access, and prompt deprovisioning. Orphaned accounts are the risk they are probing.
What do you automate in your day-to-day work?
Give real script examples — account creation, monitoring checks, cleanup jobs. Automation instinct is what separates admins who scale.
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Resume tips that move the needle
For systems administrators specifically — generic advice costs you here
01
State the environment size you supported: users, servers, sites — it frames everything else on the page.
02
List the platforms precisely (Windows Server versions, Linux distros, VMware, M365) since job postings screen on exact matches.
03
Quantify reliability: uptime maintained, ticket backlog reduced, restore times improved.
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Show scripting and automation work explicitly; it is the main lever for moving up from this role.
05
Include certifications that are current (Microsoft, CompTIA, Linux) and drop expired ones.
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Where this role goes
Typical progression
01
IT Support Specialist
02
Systems Administrator
03
Senior Systems Administrator
04
IT Infrastructure Manager
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