ZipRecruiter

Log In

1

Infrastructure System Administrator Jobs in California

CFS

System Administrator

Fresno, CA

$28 - $32/hr

System Administrator Direct hire | Onsite | $28-32/hour We are seeking a System Administrator to support enterprise technology operations, infrastructure, cybersecurity, and AI-driven automation ...

CFS

System Administrator

Fresno, CA · On-site

$28 - $32/hr

System Administrator Direct hire | Onsite | $28-32/hour We are seeking a System Administrator to support enterprise technology operations, infrastructure, cybersecurity, and AI-driven automation ...

HOME - Stanislaus Foods

System Administrator

Modesto, CA · On-site

$95K - $120K/yr

Senior Infrastructure Manager Department: Information Technology Classification: Full-time, Exempt Pay: $95,000-$120,000 annually Stanislaus Mission To attract quality-oriented restaurateurs with ...

Corto Olive Co.

System Administrator

Modesto, CA · On-site

$95K - $120K/yr

Senior Infrastructure Manager Department: Information Technology Classification: Full-time, Exempt Pay: $95,000-$120,000 annually Stanislaus Mission To attract quality-oriented restaurateurs with ...

Stanislaus Foods

System Administrator

Modesto, CA · On-site

$95K - $120K/yr

Senior Infrastructure Manager Department: Information Technology Classification: Full-time, Exempt Pay: $95,000-$120,000 annually Stanislaus Mission To attract quality-oriented restaurateurs with ...

Numentica LLC

Infrastructure/System Engineer

Torrance, CA · On-site

$111K - $146K/yr

This role combines hands-on infrastructure support with systems engineering responsibilities ... Administer endpoint management solutions including Microsoft Intune, Autopilot, Entra ID, and ...

SEIU Local 2015

System Administrator

Oakland, CA · On-site

Key ResponsibilitiesSystems Administration & Infrastructure Management * Administer, maintain, and support servers, operating systems, workstations, mobile devices, printers, audiovisual equipment ...

New

cosm

System Administrator

Los Angeles, CA · Hybrid

$60 - $70/hr

Cosm is looking for a Senior Systems Administrator to keep our creative infrastructure running -- render farms, remote VFX/post workstations, and large-scale media asset management and archival ...

Foxconn Assembly LLC

System Administrator

San Jose, CA · On-site

System Administrator Ingrasys is a global leader in advanced technology and manufacturing, specializing in cutting-edge cloud infrastructure and AI computing solutions. As a subsidiary of Foxconn ...

cosm

System Administrator

Los Angeles, CA · Hybrid

$60 - $70/hr

Cosm is looking for a Senior Systems Administrator to keep our creative infrastructure running -- render farms, remote VFX/post workstations, and large-scale media asset management and archival ...

next page

Showing results 1-20

All JobsInfrastructure System Administrator JobsInfrastructure System Administrator Jobs in California

Infrastructure System Administrator information

What is the difference between Infrastructure System Administrator vs Network Administrator?

AspectInfrastructure System AdministratorNetwork Administrator
CertificationsCompTIA Network+, Cisco CCNA, Microsoft Certified: Windows ServerCompTIA Network+, Cisco CCNA, Cisco CCNP
Work EnvironmentData centers, server rooms, cloud environmentsNetwork operations centers, office networks, data centers
ResponsibilitiesManaging servers, storage, virtualization, cloud infrastructureConfiguring, maintaining, and troubleshooting network hardware and connections
Industry UsageIT companies, data centers, cloud providersTelecommunications, corporate IT, service providers

The Infrastructure System Administrator focuses on managing servers, storage, and cloud infrastructure, ensuring overall system stability. In contrast, the Network Administrator specializes in maintaining network hardware and connections. Both roles require similar certifications and often work in overlapping environments, but their core responsibilities differ significantly.

Do infrastructure system administrators make good money?

Infrastructure system administrators typically earn competitive salaries that vary based on experience, certifications, and location. They often work with technologies like servers, networks, and cloud platforms, and advanced skills or certifications such as Cisco or Microsoft can increase earning potential.

Is infrastructure system administrator a high paying job?

Infrastructure System Administrators typically earn competitive salaries that vary by experience, location, and industry. They often require skills in network management, server maintenance, and familiarity with tools like Windows Server or Linux, which can influence earning potential.

What do infrastructure system administrators do?

Infrastructure system administrators are responsible for managing and maintaining an organization’s IT infrastructure, including servers, networks, and storage systems. They install, configure, and troubleshoot hardware and software, ensure system security, and monitor performance to ensure reliable operation. Proficiency with operating systems, networking, and tools like virtualization platforms is essential for this role.
Infrastructure System Administrator jobs near you
Infographic showing various Infrastructure System Administrator job openings in California as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, and 5% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Core Infrastructure System Administrator (System Administrator 3)- Fremont, CA

Fremont, CA • On-site

M.C. Dean, Inc
Engineering Professional Services • 10K+ employees
Learn more about M.C. Dean, Incexternal

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

M.C. Dean rating

7.8

Company rating: 7.8 out of 10

Based on 46 frontline employees who took The Breakroom Quiz

Job description

Overview
About M.C. Dean
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 9,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.
Why Join Us?
Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values-agility, expertise, and trust-we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.
We are seeking a Core Infrastructure System Administrator (System Administrator 3) to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets.
Responsibilities
Core Infrastructure System Administrator (Sys Admin 3) is a key member of the global technology team responsible for building and maintaining enterprise technology application systems
Essential Responsibilities and Activities Include but are Not Limited to:
  • Maintaining production systems, software, hardware, and end devices.
  • Installation, configuration, maintenance, and support of physical and cloud-based Windows and Linux servers.
  • Ensuring the security, integrity, and availability of systems.
  • Monitoring operational systems for errors and alerts.
  • Troubleshooting, adding, configuring, and removing various technologies related to access control, intrusion detection, emergency, video, and other security systems.
  • Document daily functions and troubleshooting process to create and revise playbooks.

Work Schedule:
  • This may require extended hours or weekend support.
  • On-site requirements are subject to change and could increase at any time.

Qualifications
Education:
  • Bachelor's Degree and 5+ Years of progressive experience or
  • Associates Degree and 8+ Years of progressive experience or
  • HS Diploma or Equivalent and 10+ Years of progressive experience

Requirements:
  • Requires system administrator experience in performing triage on system problems, resolving the system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.
  • Requires 2 + years of experience programming/administrating Physical Access Control Systems.
  • Demonstrated previous experience effectively managing small teams.
  • Demonstrated understanding of Windows patching and vulnerability remediation.
  • Demonstrated advanced knowledge of Windows active directory hierarchy and implementation.
  • Basic knowledge of large-scale networking, VLANS and routing.
  • Requires reliable attendance at customer site during work hours required by customer.
  • Requires the ability to work flexible shifts that include nights, weekends and holidays as needed.
  • Requires minimum of Security + Certification, CASP, or CISSP certification.
  • Demonstrated background working with multidisciplinary teams.
  • Demonstrated time management and organization skills to meet deadlines and quality objectives.
  • Proficient in MS Excel, Word, Visio, and PowerPoint.

Travel:
  • Up to 25% annual

What we offer:
  • A collaborative team inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better. We are driven by our core values of agility, expertise, and trust.
  • An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years.
  • Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement.
  • Open and transparent communication with senior leadership as well as local office management.

We offer an excellent benefits package including:
  • A competitive salary
  • Medical, dental, vision, life, and disability insurance
  • Paid time off
  • Tuition reimbursement
  • 401k Retirement Plan
  • Military Reserve pay offset
  • Paid maternity leave

Abilities
  • Exposure to computer screens for an extended period of time.
  • Sitting for extended periods of time.
  • Reach by extending hands or arms in any direction.
  • Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.
  • Listen to and understand information and ideas presented through spoken words and sentences.
  • Communicate information and ideas in speaking so others will understand.
  • Read and understand information and ideas presented in writing.
  • Apply general rules to specific problems to produce answers that make sense.
  • Identify and understand the speech of another person.

Pay Range
USD $114,640.00 - USD $157,630.00 /Yr.

What M.C. Dean employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

M.C. Dean logo

About M.C. Dean

Sourced by ZipRecruiter

M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation's most recognizable mission-critical facilities, secure environments, complex infrastructure, and global enterprises. The company's capabilities include electrical, electronic security, telecommunications, life-safety, instrumentation and control, and command and control systems. M.C. Dean is headquartered in Tysons, Virginia, and employs more than 5,100 professionals who engineer and deploy automated, secure, and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability.

Industry

Engineering professional services

Company size

10,000+ Employees

Headquarters location

Tysons, VA, US

Year founded

1949

Social media

FacebookTwitter

View All M.C. Dean Jobs

Apply