Senior System Administrator IT & Security Lead
Resume:
JAMES LEA
SR SYSTEM ADMINISTRATOR
CONTACT INFO
1411Hampton CT
Friendswood TX 77546
*******@****.***
EDUCATION
**** – 1997 Bachelor of Science
University of Houston, Clear Lake, TX
1989 – 1992 Associate of Applied Science Alvin Community College, Alvin, TX
SUMMARY
Experienced IT Support Specialist and Systems Administrator with over 25 years supporting enterprise environments, including secure government operations at NASA’s Johnson Space Center. Skilled in Windows systems, Active Directory, endpoint management (BigFix, Desktop Central), and security tools like SentinelOne. Proven track record in resolving complex technical issues, supporting mission-critical systems, and leading deployments, upgrades, and user support across diverse industries.
EXPERIENCE
System Administrator
Aegis Aerospace (KBR) – Johnson Space Center, Houston, TX
2020 – Present
Provide Tier 2/3 IT support for NASA labs, clinics, and mission-critical environments including NBL and MARS systems.
Administer user and computer accounts using DAR and manage endpoint security with SentinelOne.
Utilize ServiceNow, BigFix, and Desktop Central for ticketing, software deployment, patch management, and compliance.
Support GFE devices (laptops, workstations, tablets) including update deployment and configuration.
Manage file permissions, user rights, and access control across various systems and shared resources.
Deliver IT support for TSC/ROI environments and act as backup for BioMedical Engineers supporting critical systems.
Coordinate with IT security teams on remediation, system hardening, and asset compliance initiatives.
Senior Site Operations Technician / IT Support Lead
Worley (formerly Jacobs Engineering), Houston, TX
2000 – 2019
Served as Lead Tech for Jacobs Tower 1; trained and supervised interns and new acquisition employees.
Administered AD tasks: password resets, user/computer management, and group policy implementation.
Provided enterprise-level support for VPN, Windows 10, Office 2016, Skype for Business, and mobile devices.
Imaged and deployed computers using Altiris, supported remote/field sites, and managed hardware inventory.
Supported Microsoft Surface and Dell Venue tablets, BitLocker encryption, and Windows 7 migration.
Managed network printer queues, repaired printers/plotters, and collaborated with Network Services for port configuration.
Supported office moves, telepresence setups, and large-scale acquisition integrations (CH2M, Aker, etc.).
Systems Analyst / Server Administrator
Jacobs Engineering (formerly Carter & Burgess), Houston, TX
2000 – 2019 (overlapping role)
Administered Novell, Windows NT, and Windows 2000 servers; managed backups, restores, and file recovery.
Migrated infrastructure from Novell to Microsoft, including user accounts, Exchange email, and SOPs.
Supported Citrix MetaFrame environments, Snap servers, and Firebox firewall configurations.
Wrote technical SOPs and led PC deployments across offices using Ghost imaging and standard configurations.
Performed daily server maintenance, user account administration, and access control across platforms.
Managed patching, network cabling, port punch-downs, and remote desktop environments.
Assisted in desktop OS upgrades (Win95/98/NT to Win2000) and archived systems using Ghost.
Systems Administrator
CDI Engineering Group, Houston, TX
1997 – 2000
Provided IT support for five regional offices and 250+ users, including remote and in-house environments.
Led company-wide OS upgrade to Windows NT/95 and enforced IT standards across all locations.
Handled daily network administration including user accounts, backups, and restores.
Delivered end-user training from novice to advanced levels, improving productivity and tech adoption.
Procured hardware/software for IT department and coordinated installations.
Supported web updates and maintained site-wide IT infrastructure.
Installed Cat5 cabling, patched ports, and built custom patch cables for network connectivity.
Customer Service Representative (IT Support)
IBM Corporation, Houston, TX
1994 – 1997
Provided PC troubleshooting, upgrades, and helpdesk support in a fast-paced service center.
Repaired IBM desktops/laptops and supported HP and Lexmark printers.
Participated in the Merrill Lynch PC upgrade project, ensuring smooth user transitions.
Trained and supervised new employees in technical procedures and service protocols.
Delivered onsite support at Dow Chemical, managing direct client relationships.
Supported legacy hardware including dumb terminals and controllers.
Maintained detailed service records and ensured SLA compliance for enterprise clients.
REFERENCES
[Available upon request]
Contact this candidate