Khaleal Williams
Flushing
Summary
Senior systems administrator with extensive experience in Microsoft 365 networking and endpoint management. Proven track record in leading technology initiatives that enhance operational efficiency and reliability. Skilled in mentoring teams and collaborating with stakeholders to implement secure, scalable technology solutions.
Overview
5
5
years of professional experience
Work History
Senior Systems Administrator
Ascend Public Charter Schools
Brooklyn
06.2025 - Current
- Administered Microsoft 365, Entra ID, SharePoint, Google Workspace, and Cisco Meraki, ensuring secure and reliable user services across the organization.
- Supported network modernization through infrastructure upgrades and technology deployments, enhancing performance and scalability.
- Led infrastructure endpoint management and operational technology initiatives across multiple school locations and administrative offices.
- Mentored systems administrators, providing technical guidance and troubleshooting support that enhanced team capabilities and project success.
- Collaborated with leadership, operations teams, vendors, and service providers to execute technology projects and improvements.
- Partnered with security teams on cybersecurity initiatives, access management programs, and technology governance efforts.
- Managed SharePoint intranet by centralizing documentation and self-service resources for staff efficiency.
- Streamlined processes through standardization of documentation and automation of reporting, fostering operational best practices.
Virtual Tech Assistant
STENO
Remote
12.2023 - 09.2025
- Delivered real-time technical support for virtual depositions, resolving audio and video connectivity issues to ensure seamless proceedings.
- Secured reliable access to virtual meeting platforms for attorneys, court reporters, witnesses, and clients, enhancing overall deposition experience.
- Resolved technical issues swiftly while minimizing disruptions during live legal proceedings.
- Assisted with document coordination and session management to facilitate successful deposition execution.
- Adapted to evolving technologies and client requirements, consistently delivering high-quality support.
- Achieved high client satisfaction through clear communication and prompt resolution of technical issues during live sessions.
Systems Administrator
Ascend Public Charter Schools
Brooklyn
11.2022 - 06.2025
- Administered Azure Active Directory, Microsoft 365, and Google Workspace services.
- Managed Cisco Meraki firewalls, switches, and wireless access points across multiple locations.
- Provisioned hardware, performed Windows device imaging, and executed PXE deployments to streamline device setup.
- Provided tier 1-3 support while serving as escalation resource for complex operational issues.
- Achieved over 95% SLA compliance while delivering support to leadership and operational teams.
- Administered enterprise platforms including Zendesk, Mimecast, and RingCentral.
- Managed security camera systems to enhance surveillance across various sites.
- Streamlined endpoint lifecycle management to maximize hardware utilization.
Network & Cybersecurity Technician
The Academy Charter School
Hempstead
10.2021 - 11.2022
- Supported network endpoint and cybersecurity operations across multiple school locations, enhancing reliability of technology services.
- Conducted security reviews and implemented content filtering solutions to enforce security policies.
- Managed user account permissions, licensing, and identity administration through Active Directory and Microsoft 365, streamlining user access.
- Administered Apple School Manager and Jamf environments for effective device deployment and lifecycle management.
- Supervised Level 1 technicians, providing technical guidance to ensure consistent support delivery.
- Oversaw inventory deployment and support for desktops, laptops, tablets, smartboards, and instructional technology assets.
Education
Master of Science - Cybersecurity
SUNY Empire State University
Saratoga Springs, NY05-2026
Bachelor of Science - Security Systems
Farmingdale State College
Farmingdale, NY05-2021
Skills
- Systems administration
- Windows Server management
- Active Directory services
- Azure AD and Entra ID
- Microsoft 365 administration
- PowerShell scripting
- Network security protocols
- Identity and access management
- Multi-factor authentication solutions
- Incident response support
- Security compliance measures
- Cybersecurity governance frameworks
- Zero trust principles implementation
- Access control administration
- DNS management
- DHCP configuration
- Identity management strategies
- Awareness training programs
- Incident response planning
- Cisco Meraki expertise
- Wireless networking solutions
- VoIP systems management
- Governance frameworks development
- Access administration practices
- Technical project management skills
- Team collaboration techniques
- Service level agreements oversight
- IT operations management
- Process improvement initiatives
- Stakeholder relations development
- Operational efficiency strategies
- System configuration documentation
Timeline
Senior Systems Administrator
Ascend Public Charter Schools
06.2025 - Current
Virtual Tech Assistant
STENO
12.2023 - 09.2025
Systems Administrator
Ascend Public Charter Schools
11.2022 - 06.2025
Network & Cybersecurity Technician
The Academy Charter School
10.2021 - 11.2022
Master of Science - Cybersecurity
SUNY Empire State University
Bachelor of Science - Security Systems
Farmingdale State College