Sr. System Administrator

Concept Plus, LLC • San Diego, CA

3d • Onsite

About The Position

Concept Plus is seeking a Senior System Administrator to act as on-site support for a client system.

Requirements

• US Citizen
• Fully Onsite support at client office locations
• Strong IT environment experience
• Must be able to work with end-users, communicate clearly, and meet deadlines
• Must be able to maintain Public Trust Clearance (Clearable)

Responsibilities

• Network Troubleshooting & Support: Basic understanding of Layer 1, 2, and 3 support. Basic knowledge of Cisco hardware and OS. WiFi troubleshooting. Knowledge of Ethernet and fiber wiring, including basic troubleshooting.
• Active Directory & Identity Management: Creating, modifying, and deleting user accounts for staff onboarding/offboarding; Putting accounts in other OUs for CAC Waiver or other reasons; Diagnosing account lockout sources (identifying which device/service is triggering lockouts); Managing Organizational Unit (OU) placement for new users and computers; Troubleshooting login/authentication failures; Managing service accounts and delegated permissions; Joining/rejoining workstations to the domain; Configuring and troubleshooting mapped network drives.
• Google Workspace Administration & Support: Account & Identity: Provisioning/deprovisioning Google Workspace accounts; Troubleshooting Single Sign-On (SSO) / SAML integration; Helping staff members with Google account passwords and 2-Step Verification (2FA) issues. Gmail / Email: Diagnosing email delivery failures (bounce-backs, spam filtering, blacklisting); Configuring and troubleshooting email forwarding and filters; Troubleshooting shared inbox and group email access. Calendars, Drive, and Apps: Troubleshooting shared calendar permissions and resource calendars (e.g., conference room booking); Resolving Google Drive sync issues (Drive for Desktop); Managing Shared Drive permissions and access; Troubleshooting Google Forms, Sheets, Docs sharing and permission errors; Investigating storage quota issues; Troubleshooting offline access and sync conflicts.
• Windows Workstation & Endpoint Support: Advanced OS troubleshooting (boot failures, blue screens/BSOD analysis); Windows profile corruption repair/rebuilding; Registry edits for application or system issues; Driver installation, updates, and rollback; Diagnosing performance issues (high CPU/memory/disk, startup bloat); Windows Update failures and manual patching; Application installation, configuration, and repair (beyond standard packages); Disk cleanup, defragmentation, and storage management; BitLocker encryption troubleshooting and recovery key management; Configuring VPN clients and diagnosing connectivity issues; Imaging and reimaging workstations; Backup and data migration during staff member hardware upgrades.
• Hardware Support & Repair: Peripheral troubleshooting (printers, scanners, docking stations, multi-monitor configurations); Printer driver installation and print queue/spooler troubleshooting; Setting up and configuring new workstations and laptops; Diagnosing power and charging issues on laptops; Computer and peripheral firmware updates and issues that arise.
• Network & Connectivity (Tier 2 Scope): Troubleshooting wired/wireless connectivity for endpoints; Diagnosing DNS and DHCP client-side issues (ipconfig, nslookup, ping, tracert); Configuring and troubleshooting network printers; Resolving Wi-Fi authentication issues with NWAVE; Basic switch port connection troubleshooting and verification (possibly escalating to Tier 3).
• VTC / Conference Room / Google Meet Support: Google Meet Hardware Kit: Troubleshooting Google Meet hardware kits compute unit (Chromebox/Chromebase) issues; Firmware and software updates for Meet hardware that brick them; Troubleshooting touch controller/tablet connectivity and pairing; Resolving room calendar sync issues on Meet devices. Audio/Video: Troubleshooting camera issues (no video, poor quality, framing/auto-zoom); Diagnosing microphone and speaker problems (no audio, echo, feedback); Configuring and troubleshooting speaker bars/mics; Resolving audio routing and input/output device selection issues in big conference room; Trouble shoot Crestron audio video switcher. Displays & Projectors: Troubleshooting projector connectivity (HDMI, wireless casting); Diagnosing display/resolution/scaling issues; Managing screen sharing and presentation failures; Bulb/lamp and projector maintenance coordination; TV/monitor input and signal troubleshooting. Meetings & Connectivity: Diagnosing Google Meet join failures and dropped calls; Troubleshooting bandwidth/network quality issues affecting meetings; Configuring interoperability with other VTC platforms (Zoom, Teams) if applicable; Testing and validating rooms before high-priority meetings; Cable management and physical connection troubleshooting; Supporting live meetings/VIP events and on-site event coverage.
• Ticketing, Documentation & Process: Documenting resolutions and updating knowledge base articles and IT SOP; Creating internal how-to guides and troubleshooting scripts for Tier 1; Root cause documentation for recurring issues; Following up on long-running tickets and coordinating with users; Mentoring/coaching Tier 1 staff.
• Additional Responsibilities: License management and software asset tracking; Certificate installation and renewal on endpoints; Mobile device support (email/app configuration, MDM enrollment); Verizon Wireless Business account phone management; Coordinating with vendors for warranty and support cases; Testing and piloting new hardware/software before wider deployment.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed