On-Site IT Manager - San Diego | Security & Cloud Ops

Applications International Corporation

San Diego (CA)

On-site

USD 125,000 - 145,000

Full time

4 days ago

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Benefits offered by this job

401K match

Medical coverage

Life insurance

Dental & Vision

Vacation

Holidays

Wellness program

Training & growth

Office snacks

Dog-friendly office

Job summary

Applications International Corporation in San Diego, CA is seeking an Information Technology Manager to lead a small IT team and oversee infrastructure, security, and operations for a SaaS environment. This on-site role reports to ownership and requires hands-on leadership in a fast-paced setting.

The ideal candidate has 7–10 years of IT leadership, expertise in Windows Server, Exchange in a DAG, virtualization, Azure, and vendor management.

Qualifications

Bachelor's degree in Computer Science or Information Technology or equivalent
Microsoft certifications related to messaging or infrastructure are valued
Security or networking certifications preferred

Responsibilities

Lead and direct IT operations with one direct report and serve as technical escalation point
Manage on-site infrastructure, security, and day-to-day IT operations for a SaaS environment
Oversee server virtualization, backups (immutable on‑premises and cloud), and SAN health
Administer Windows Server, Active Directory, and group policies; maintain runbooks and documentation
Manage Exchange Server in a production DAG, email security, and failover readiness
Oversee firewall, VPN, WAF, network design, and security patching across multi-site environment
Own IT projects from scoping to delivery and manage vendor relationships