Systems Support Engineer Jobs in California (NOW HIRING)

About Abtech Technologies

• Abtech Technologies is a growing Managed IT Services, Cloud, Cybersecurity, and Dell solution provider helping organizations modernize and protect their IT environments.

Position Summary

• Abtech Technologies is seeking an experienced Tier 2 IT Support Engineer to support MSP clients throughout Southern California, but mainly in Orange County and Los Angeles .
• The role requires a technically strong, customer-focused engineer who can resolve escalated issues, support Microsoft 365, Intune, Entra ID, Windows systems, networking, endpoint security, and client-facing MSP environments.
• Candidates must live within 25 miles of Lake Forest, CA 92630.
• If your ZIP code is not listed on your resume, please include it in your initial correspondence.
• Please also put the following code in the subject heading of your response: Code ZR-MSP-6126

Key Responsibilities

• Provide Tier 2 remote and onsite support for desktops, laptops, mobile devices, servers, Microsoft 365, networking, security, and business applications.
• Take escalated tickets from Tier 1 technicians and drive issues to resolution with clear communication and strong documentation.
• Administer Microsoft 365, including Exchange Online, Teams, SharePoint, OneDrive, licensing, users, groups, mail flow, and security settings.
• Support Microsoft Intune and endpoint management, including device enrollment, compliance policies, configuration profiles, application deployment, Autopilot, and mobile device management.
• Administer Microsoft Entra ID, including users, groups, MFA, Conditional Access, password resets, SSO, device registration, and hybrid identity troubleshooting.
• Troubleshoot Active Directory, Group Policy, DNS, DHCP, file permissions, logs, backup systems, endpoint protection, email security, and basic cybersecurity controls.
• Assist with onboarding/offboarding, M365 migrations, workstation deployments, endpoint cutovers, client documentation, and knowledge base articles.
• Coordinate professionally with users, client management, vendors, Tier 3 engineers, and internal service teams.

Required Skills and Experience

• Strong Windows 10/11 troubleshooting, including hardware, software, drivers, printing, profiles, connectivity, performance, and Microsoft 365 Apps.
• Hands-on Microsoft 365 administration experience, including Exchange Online, Teams, SharePoint, OneDrive, mailbox permissions, shared mailboxes, spam/security filtering, and M365 migrations.
• Production experience with Microsoft Intune, Autopilot, endpoint security policies, device lifecycle management, and troubleshooting enrollment or policy failures.
• Working knowledge of Microsoft Entra ID, MFA, Conditional Access, SSO, account security, hybrid identity, least privilege, and authentication troubleshooting.
• Windows Server administration experience, including Active Directory, DNS, DHCP, NTFS permissions, file shares, print services, Group Policy, event logs, backup review, and remote/onsite server support.
• Understanding of TCP/IP networking, DNS, DHCP, VPN, VLANs, routing, switching, wireless, and firewall troubleshooting. Meraki experience preferred; Cisco experience a plus.
• Experience with Hyper-V and/or VMware, including VM troubleshooting, snapshots/checkpoints, resource review, storage, networking, and performance basics.
• Experience using helpdesk ticketing, RMM, remote support, monitoring, patching, endpoint management, and client documentation systems.
• Security awareness, including MFA, patching, endpoint protection, phishing risk, password hygiene, suspicious email review, log review, and incident escalation.
• Strong written and verbal communication skills, professional client service, ownership, prioritization, follow-through, and ability to work in a fast-paced MSP environment.

Preferred Qualifications

• 5+ years of system administration or MSP support experience.
• Microsoft certifications such as Microsoft 365 Fundamentals, Endpoint Administrator Associate, Azure Administrator Associate, or Identity and Access Administrator Associate.
• CompTIA A+, Network+, Security+, Server+, Cisco CCNA, or equivalent hands-on experience.
• PowerShell scripting for administration, reporting, automation, and troubleshooting.
• Experience with Azure services, Azure Virtual Desktop, Azure Backup, Defender for Endpoint, Defender for Office 365, Mac support, and iOS/Android support.

Work Status and Travel

• Full-time position.
• Occasional travel throughout the greater Orange County and Los Angeles areas may be required, depending on assigned territory.
• Reliable vehicle required. Abtech reimburses company-related mileage. Overnight travel is rare but may occasionally be required.

Ideal Candidate

• The ideal candidate is a dependable, hands-on Tier 2 engineer who can solve problems, communicate clearly, document properly, and represent Abtech professionally.
• This person should be technically curious, security-aware, practical, and capable of owning client issues from escalation through final resolution.

Abtech Technologies, Inc. is a 35+ year old computer services company in Southern California with other offices around the country. We have 28 W2 engineers in the company. See our website for more information: www.abtechtechnologies.com.