Top 1691 Technology infrastructure & security occupations Jobs in Downey, Ca

System Engineer
Total Network Solutions —Long Beach, CA
- $100,000 - $130,000 a year
- Full-time
- 5 years
- System design
- Mid-level
- Paid holidays
- Health insurance
Quick Apply
IT Administrator
Digital Watchdog —Cerritos, CA
- $90,000 - $120,000 a year
- Full-time
- Background check
- Computer science
- Computer Science
- Health savings account
- Health insurance
Quick Apply
Cloud Security Engineer
Impulse Space —Redondo Beach, CA
- $135,000 - $165,000 a year
- Full-time
- Azure
- DevOps
- Senior level
- Health insurance
- Dental insurance
Quick Apply
Senior Business Systems Analyst
Jada Staffing Inc. —Pasadena, CA
- $49 - $62 an hour
- Temporary
- Background check
- Office
- SQL
Quick Apply
9d
Patch Management Administrator
Cathay Bank —Rosemead, CA
- $47.40 - $50.05 an hour
- Full-time
- Computer Science
- 5 years
- Mid-level
- Health savings account
- Disability insurance
Quick Apply
Applications Support Analyst
Cathay Bank —Rosemead, CA
- $36.05 - $43.27 an hour
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Health savings account
- Disability insurance
Quick Apply
Office Assistant / Jr. Systems Administrator
ALMA MATER —Los Angeles, CA
- Email
- Word processing
- Computer literacy
- Office
Application Security Engineer
Laserfiche —Long Beach, CA
- $108,000 - $140,000 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Office
- Free parking
- Paid holidays
HR Business Systems Analyst
AltaMed Health Services Corporation —Commerce, CA
- $97,697.60 - $122,116.80 a year
- Full-time
- Background check
- 5 years
- ERP systems
- 403(b) matching
- Paid holidays
IT Security Analyst
Confie Administrative Services Inc —Huntington Beach, CA
- $110,000 - $130,000 a year
- Hybrid work
- Mid-level
- Office
- Windows
- Health insurance
- Dental insurance
Quick Apply
Expert Engineer, Security - Central Technology
Activision —Santa Monica, CA
- $124,000 - $229,400 a year
- Email
- Writing skills
- Office
- 8 years
- Health savings account
- AD&D insurance
8d
IT Service Desk Engineer
Los Angeles Dodgers LLC —Los Angeles, CA
- $38 - $43 an hour
- Full-time
- Computer Science
- Bachelor's degree
- Continuous improvement
Quick Apply
Systems Analyst 1596 (B) (Rev 07-15-2026)
City of Los Angeles, CA —Los Angeles, CA
- $114,088 - $135,239 a year
- Full-time
- System design
- Mid-level
- Office
9d
Systems Administrator
Integris —Costa Mesa, CA
- Full-time
- Remote
- Mid-level
- Paid holidays
- Disability insurance
Quick Apply
Infrastructure Engineer - Early Career
Northwood Space —Los Angeles, CA
- $88,000 - $111,000 a year
- Full-time
- Linux
- Communication skills
- Entry level
IT Network Specialist 3
Convergint Technologies LLC —La Palma, CA
- $46 - $60 an hour
- Full-time
- Hybrid work
- 7 years
- Customer service
- Mid-level
- Wellness program
- Paid parental leave
14d
Computer Systems Engineer
V-Soft Solutions —Cerritos, CA
- $80,000 a year
- Full-time
- Computer Science
- Mid-level
- Windows
Information Technology Analyst III (Finance Support)
Orange County Sanitation District —Fountain Valley, CA
- $131,747.20 - $160,014.40 a year
- Extended hours
- Computer Science
- Pass drug screening
- System design
- Paid holidays
- Disability insurance
10d
Senior Systems Administrator
AltaMed Health Services Corporation —Commerce, CA
- $103,084.80 - $128,856.00 a year
- Full-time
- Background check
- 7 years
- Computer Science
- 403(b) matching
- Paid holidays
IT Security Analyst
The Lamb Co-Operative Inc —Compton, CA
- $115,000 - $125,000 a year
- Computer science
- Azure
- Computer Science
- Disability insurance
- Health insurance
Quick Apply

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technology infrastructure & security occupations jobs near downey, ca

System Engineer

Total Network Solutions
Long Beach, CA

Quick Apply

Job Details

Full-time
$100,000 - $130,000 a year

Benefits

Paid holidays
Health insurance
Dental insurance
401(k)
Paid time off
Vision insurance
401(k) matching
Professional development assistance

Qualifications

Authentication
Endpoint Security
Customer communication
Technical engineering
Content creation for technical audiences
IT user and group management
GPO
Technical documentation
macOS support
Direct client contact
Equipment troubleshooting
Microsoft Exchange
Windows
Endpoint Detection and Response (EDR)
DHCP
Driver's License
Customer engagement
Azure AD
DNS
Server virtualization
Networking equipment (troubleshooting support)
MFA
macOS
Network security appliance implementation
Windows support
Technical writing experience within technology
CompTIA Security+
Security technology solutions implementations
Intune

Full Job Description

Build Great IT. Protect Great Businesses.

Total Network Solutions (TNS) is a rapidly growing Managed IT and Cybersecurity Services Provider supporting businesses throughout Southern California and across the United States.

Our clients rely on us to design, secure, and support the technology that keeps their businesses running. We are looking for a Systems Engineer who enjoys solving difficult technical problems, working directly with clients, and continuously learning new technologies.

If you're the engineer everyone calls when things get complicated, you'll fit in well here.

About the Role

This is not an internal IT position.

You'll support multiple client environments across a wide variety of industries, designing, implementing, and supporting modern Microsoft, virtualization, networking, and cybersecurity solutions.

This position is approximately:

2–3 days working from our Long Beach office
2–3 days visiting client locations throughout Southern California

Candidates must currently live within approximately 30 minutes of Long Beach, CA.

What You'll Do

As one of our engineers, you'll serve as a technical lead responsible for both reactive support and proactive engineering.

Responsibilities include:

Design, implement and support Microsoft 365 environments
Administer Microsoft Entra ID, Exchange Online, SharePoint, Teams and OneDrive
Deploy and manage Microsoft Intune and Microsoft Defender
Configure Microsoft Purview policies and data protection solutions
Design and administer Windows Server environments
Active Directory, Group Policy, DNS and DHCP administration
Deploy and support VMware and Hyper-V virtualization platforms
Configure and troubleshoot business-class networking equipment including:
Fortinet
Meraki
Ubiquiti
SonicWall
Configure VPNs, VLANs, switching and wireless infrastructure
Lead server migrations, Microsoft 365 migrations and infrastructure upgrades
Support backup and disaster recovery solutions
Troubleshoot complex performance, networking and security issues
Utilize RMM and PSA platforms to manage client environments
Develop PowerShell automation to improve operational efficiency
Create accurate technical documentation
Mentor junior engineers
Participate in after-hours maintenance windows as required

Cybersecurity Experience

Cybersecurity is a core part of every client engagement.

You should have experience working with technologies such as:

Microsoft Defender for Business / Defender for Endpoint
Huntress
SentinelOne
MDR/XDR platforms
Email security solutions
Multi-factor authentication
Conditional Access
Vulnerability remediation
Security awareness best practices
Basic incident response

Experience with Microsoft Sentinel or other SIEM platforms is a plus.

Required Qualifications

We are looking for someone with:

5+ years of Systems Engineering experience
3+ years working for a Managed Service Provider (MSP) or IT consulting firm
Strong Microsoft 365 administration experience
Deep knowledge of:
Windows Server
Active Directory
Microsoft Entra ID
Intune
Microsoft Defender
Microsoft Purview
Strong networking knowledge
VMware and/or Hyper-V administration
Experience supporting Windows 10/11 and macOS
Strong troubleshooting skills
Excellent written documentation skills
Excellent customer communication skills
Valid driver's license
Reliable transportation

Preferred Qualifications

Microsoft certifications
Fortinet NSE / FCA
Meraki certifications
VMware certifications
CompTIA Security+
Azure certifications
PowerShell scripting
Experience with:
NinjaOne
Autotask PSA
Huntress
Microsoft 365 Lighthouse
CIPP
Auvik
Veeam

Who You Are

The right person for this role is:

Personable and enjoys working directly with clients
Calm under pressure
A strong troubleshooter
Naturally curious
Organized
A team player
Self-motivated
Professional in appearance and communication
Comfortable leading technical conversations
Someone who owns problems until they're solved

Why Join TNS?

You'll work with modern technologies in environments that are constantly evolving.

No two days are the same.

You'll have the opportunity to:

Work with a talented engineering team
Lead challenging infrastructure projects
Expand your cloud and cybersecurity skills
Build long-term relationships with clients
Influence standards and best practices across the company
Grow into Technical Lead or Solutions Architect roles

Benefits

Competitive Salary
401(k)
Health Insurance
Dental Insurance
Vision Insurance
Paid Time Off
Paid Holidays
Certification reimbursement
Company-provided laptop and tools

Why This Position Is Different

We don't measure success by how many tickets you close.

We measure success by how well you solve problems, improve client environments, and help our team succeed.

If you're looking for a place where your technical expertise is valued and your work has a direct impact on our clients' success, we'd love to meet you.

Pay: $100,000.00 - $130,000.00 per year

Benefits:

401(k)
401(k) matching
Dental insurance
Health insurance
Paid time off
Professional development assistance

Work Location: In person

Quick Apply

Refine Your Search

technology infrastructure & security occupations jobs in downey, ca

System Engineer

IT Administrator

Cloud Security Engineer

Senior Business Systems Analyst

Patch Management Administrator

Applications Support Analyst

Office Assistant / Jr. Systems Administrator

Application Security Engineer

HR Business Systems Analyst

IT Security Analyst

Expert Engineer, Security - Central Technology

IT Service Desk Engineer

Systems Analyst 1596 (B) (Rev 07-15-2026)

Systems Administrator

Infrastructure Engineer - Early Career

IT Network Specialist 3

Computer Systems Engineer

Information Technology Analyst III (Finance Support)

Senior Systems Administrator

IT Security Analyst

I want to receive the latest job alert for technology infrastructure & security occupations in downey, ca

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