M.C. Dean, Inc.
Core Infrastructure System Administrator (System Administrator)- Fremont, CA
M.C. Dean, Inc., Fremont, California, us, 94537
Core Infrastructure System Administrator (System Administrator) - Fremont, CA
Pay: $114,480.00 - $171,720.00 per year.
Overview 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 7,000 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.
Responsibilities
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, configuring, and removing various technologies related to access control, intrusion detection, emergency, video, and other security systems.
Document daily functions and troubleshooting processes to create and revise playbooks.
Work Schedule
Required time in the office 3 days/week. Some surge support may be required during peak operational periods. This may require extended hours or weekend support.
On‑site requirements are subject to change and could increase at any time.
Qualifications
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.
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.
2+ years of experience programming/administrating Physical Access Control Systems.
Previous experience effectively managing small teams.
Understanding of Windows patching and vulnerability remediation.
Advanced knowledge of Windows Active Directory hierarchy and implementation.
Basic knowledge of large‑scale networking, VLANs, and routing.
Reliable attendance at customer site during required work hours.
Ability to work flexible shifts including nights, weekends, and holidays.
Minimum of Security+ Certification, CASP, or CISSP certification.
Background working with multidisciplinary teams.
Strong time management and organization skills.
Proficiency in MS Excel, Word, Visio, and PowerPoint.
Travel
Up to 25% annual, CONUS and OCONUS locations.
Benefits
A competitive salary.
Medical, dental, vision, life, and disability insurance.
Paid time off.
Tuition reimbursement.
401(k) Retirement Plan.
Military Reserve pay offset.
Paid maternity leave.
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Overview 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 7,000 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.
Responsibilities
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, configuring, and removing various technologies related to access control, intrusion detection, emergency, video, and other security systems.
Document daily functions and troubleshooting processes to create and revise playbooks.
Work Schedule
Required time in the office 3 days/week. Some surge support may be required during peak operational periods. This may require extended hours or weekend support.
On‑site requirements are subject to change and could increase at any time.
Qualifications
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.
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.
2+ years of experience programming/administrating Physical Access Control Systems.
Previous experience effectively managing small teams.
Understanding of Windows patching and vulnerability remediation.
Advanced knowledge of Windows Active Directory hierarchy and implementation.
Basic knowledge of large‑scale networking, VLANs, and routing.
Reliable attendance at customer site during required work hours.
Ability to work flexible shifts including nights, weekends, and holidays.
Minimum of Security+ Certification, CASP, or CISSP certification.
Background working with multidisciplinary teams.
Strong time management and organization skills.
Proficiency in MS Excel, Word, Visio, and PowerPoint.
Travel
Up to 25% annual, CONUS and OCONUS locations.
Benefits
A competitive salary.
Medical, dental, vision, life, and disability insurance.
Paid time off.
Tuition reimbursement.
401(k) Retirement Plan.
Military Reserve pay offset.
Paid maternity leave.
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