SUMMARY:

• Microsoft, Networking, Linux, and Mac
• Storage and Virtualization Active Directory
• Cross - functional experience and study in finance and technology industries.
• Startup build-out and international Ecomm engineering.
• Working relationships from Senior/Chief Officers through line employees.
• Installs processes, embodies leadership, and engenders mentorship.

TECHNICAL SKILLS:

Operating Systems: Windows 2000/2003 R2 /2008 R2 /2012 R2 /2016/2019 Server Standard/Enterprise and Small Business Server 2003; Windows NT 4.0 Workstation; 2000 Professional; XP Professional/Home; Vista Business; 7 Professional; 8 Professional; ME/9x/3.x; VMware ESX(i) 3.5/4.x/5.x/6.0/6.5, Server 2.0.x, Workstation 4.x/5.x/6.x, Fusion 5/6/7/8; Red Hat Enterprise Linux 3/6/7, Fedora Core 9-14; ONTAP 7-mode/C-mode 9.1; Mac OS X; FreeBSD 4.x/5.x; Debian 4.0; BlackBerry OS 3.x/4/5/6/7.

Enterprise and Utility Applications and Services: Microsoft Active Directory (AD) 2000/2003 R2/2008 R2/2012 R2; VMware vRealize Operations Management (vROps); BlackBerry Enterprise Server (BES) 4.x/5.x; NetApp Unified Manager, NetApp Performance Manager, NetApp for vCenter integration Virtual Infrastructure Management Storage Console (VSC), NetApp 7-Mode Transition Tool (7MTT); Nagios; Commvault Simpana Virtual Server Protection (VSP) 10/11 (including NAS/NDMP, CIFS/Stubbing); Microsoft Exchange 2000/2003/2007 and migration to hosted 2007/2010 (Intermedia, Rackspace), Office 365 hybrid Exchange; MSFT SQL/MSSQL 2008, 2012; OnBase 14; OpenText RightFax Enterprise Server 10.x; Zetta Enterprise Backup to Amazon Web Services (AWS) Simple Storage Service (S3); Symantec Antivirus Corporate/Endpoint Protection (SAV/SEP) 9/10/12; Symantec Mail Security/Information Foundation for Microsoft Exchange 4.6/5.0/6.0; Kaspersky Anti-Virus (KAV) 6/8; Symantec Ghost Corporate Edition 8/Solution Suite 2; Symantec Backup Exec 8/9/10/11/12; Symantec NetBackup 6.5; Veeam Backup & Replication 9.5; Microsoft Terminal Services (TS) 2000/2003/2008 ; Postini Email Security, SMTP smart host, and Message Archiving; Internet Information Services (IIS) 6/7/7.5; Microsoft AppFabric (for IIS/.NET); Proofpoint (a.k.a. Fortiva) Stubbing; Kaseya (for AVG Antivirus, Sophos, and Altiris bare-metal backup/restore)

Hardware: Dell PowerEdge, Precision, OptiPlex, Latitude; Hewlett Packard (HP) Proliant, Compaq Notebooks and Desktops; NetApp FAS 20xx/8020; IBM BladeCenter; SonicWALL TZ/PRO/NSA; Cisco PIX/ASA/Catalyst; HP ProCurve/Aruba, LeftHand SAN (acquired by HPE); JetStor SAS RAID Systems; Quantum Scalar LTO Libraries; BlackBerry handhelds; Xyplex Max Server

Networking: Routing; Network Address Translation (NAT)/Port Address Translation (PAT); Access Control Lists (ACLs); Virtual Private Networks (VPN) via Secure Sockets Layer (SSL); Internet Protocol Security (IPsec), Layer 2 Tunneling Protocol (L2TP), Secure Sockets Layer (SSL), OpenVPN for remote access, site-to-site; Hardware and ISP failovers; packet tracing/sniffing; OSI model; Domain Name System/Services (DNS); Dynamic Host Configuration Protocol (DHCP); secured 802.11b/g/n Wi-Fi; trunking/aggregating 802.3ad/Link Aggregation Control Protocol (LACP); Virtual LAN (VLAN)

EXPERIENCE:

Confidential, New York, NY

Responsibilities:

• Administration of Veeam jobs, AD/HR audit, Sophos and Kaseya deployment, Office 365 hybrid Exchange.
• Active Directory domain build, triage with developers for integration, configuration for rights/delegation, and design of custom attributes to manage public key block chain values.
• Design and deployment of data and VoIP networks, including redundant ISP circuits, firewall, and switch. Workstation and server audit and replacement plan.
• Infrastructure upgrades, including firewall and Hyper - V migration and Active Directory upgrade.

Confidential, New York, NY

Manager of Infrastructure and Systems

Responsibilities:

• Assumed responsibilities of departed Directors and sole Engineering peer. Negotiated pricing, advised business units, oversaw project management of storage and virtualization, and provided architecture, guidance, and mentoring to desktop support team. In absence of Director/Client Support lead, re-architected WSUS and Symantec Endpoint Protection. Approved hiring of new desktop engineer and recruited systems engineer.
• Designed replacement of entire VMware infrastructure 5.1 to 6.0 (software, servers) via VMware Update Manager for growth, High Availability (HA), and Fault Tolerance (FT).
• Deployed VMware vRealize Operations Manager (vROps) to identify performance bottlenecks and to determine replacement ESXi hosts to handle projected loads. Deployed replacement Dell PowerEdge systems with sufficient processing power and memory capacity to reduce number of physical ESXi hosts. Designed and deployed reporting/alerts via PowerCLI (PowerShell cmdlet).
• Developed and deployed NetApp refresh proposal with performance metrics to ensure procurement of systems capable of handling current and projected loads. Negotiated price reduction for HW renewal by 52% from original quotes. Architected and executed data migration of Network File System (NFS), Common Internet File Systems/Services (CIFS), and VMware datastores from 7-mode to Clustered ONTAP (c-mode/cDOT) 9 nodes via 7-Mode Transition Tool (7MTT). Configured performance and health reporting and alerting via Unified and Performance Managers and Nagios, implemented firewall rules, reconfigured HA and DRS, migrated nodes from public to private IP space, and triaged with networking team to provide fully redundant switching with LACP on Cisco Nexus.
• Architected modern, VMware-centric backup systems and methodology with Commvault to include Disaster Recovery (DR) preparedness for 100+ guests, as well as Storage Area Network (SAN) nodes and physical hosts. Drove daily success rate from c. 30% over 12 hours to 100% in 2 hours. Secured support renewals that spread spending over 2 fiscal years, including version upgrade, at no additional cost. Configured automated reporting and real-time alerts via vROps, NetApp Unified and Performance Managers, and PowerCLI cmdlets on PowerShell.
• Directed migration plan to new data center racks, ensuring remote power management and fully redundant switching to reduce threat of downtime (not applied in previous infrastructure design).

Confidential, Yonkers, NY

Active Directory and Exchange Lead

Responsibilities:

• Ran full audit and remediation of existing Active Directory (AD) services.
• Planned and executed upgrade from AD 2003 to AD 2008 R2.
• Consolidated and reorganized Exchange storage groups.

Confidential, New York, NY

Systems Administrator

Responsibilities:

• Ran full audit, design, and budgeting to reconfigure and secure entire infrastructure, including network nodes, physical servers, VMware ESXi (including replication to second data center for disaster recovery), SAN upgrade from test to enterprise lines, cloud backups, replication, antivirus/endpoint security, documentation and workflow, monitoring and patch management.
• Assumed all systems administration duties from development team during migration from Linux to Windows production systems.

Confidential, New York, NY

Senior Systems Administrator

Responsibilities:

• Technical lead in Active Directory migration (i.e. schism) of production systems. Active Directory maintenance and reconfiguration, including isolation of Update Sequence Number (USN) rollback errors. Setup daily and weekly replication summary reporting via email.
• Researched, conceived, and deployed Red Hat Enterprise Linux (RHEL) prototype to support LAMP (Linux-Apache-MySQL-PHP/Perl) stack, including review of multiple file systems (EXT3/4, XFS), including Active Directory integration (via LDAP) employing ACLs and sudo for rights/auditing.
• Planned for replacement of entire network infrastructure from Microsoft to Linux services to publish executive summary report. Researched features and market shares to determine best publishers/vendors to handle version control, databases, monitoring, web and application servers, file systems, patch and configuration management, bug tracking, builds, and backups.
• Administers day-to-day operations of over 300 Internet Information Services (IIS) web and ASP.NET application servers for both US and European sites. Architected upgrade and optimization of Windows AppFabric for #4 ecommerce site in France.
• Regularly engaged in build and deployment of IBM physical BladeCenter and ESX cluster virtual servers, including Scaleout, Control-M, and IIS configurations.

Confidential, San Francisco, CA

Systems Administrator

Responsibilities:

• Secured and remediated Active Directory replication across 14 domains controllers and 5 sites—including password resets, account lockouts, and DNS—which had been failed or severely degraded for nearly 4 years. Architected domain-wide Network Time Protocol (NTP) synchronization for all Windows hosts. Securing Active Directory replication via IPSec to reduce firewall management overhead.
• Stabilized systems by architecting new Windows Server Update Services (WSUS) in all sites to provide automated patch management of 250+ Windows servers in 5 sites and 3 time zones, as well as planning for new UK site.
• Tasked with daily support of 250+ virtual (ESX 4.0) and physical windows systems across dozens of SAN nodes, supporting service account authentication/permission to public site.

Confidential, New York, NY

Technical Lead/Senior Systems Engineer

Responsibilities:

• Team lead as primary consultant for largest account in the entire company, as well as team lead for other accounts totaling 30% more recurring revenue of any other engineer in the market.
• Repeatedly staffed to “at risk” and Tier I accounts. Responsible for coordination of remote support, network operations, procurement and scheduling teams.
• Ranked first in tenure among 22 Consultants/Systems Engineers for total hours billed.
• Twice recognized as a member of Confidential ’s “HEROES” team. Assisted senior team members in drafting the market’s first 24-month client technology plan.
• Designated as market resource for Symantec Antivirus, BlackBerry Enterprise Server/handhelds, Mac OS X, and Linux administration. Network WAN/LAN, backup, AD, and Exchange engineering (including hosted/cloud migrations).

Confidential, San Mateo, CA

Systems Administrator

Responsibilities:

• Joined among first two dozen employees to realize $374M in VC funding and an $80M IPO in 2013. Mentored under Silicon Valley veterans from Netscape and Excite@Home in the fundamentals of IPv4/IPv6, DOCSIS, and Systems Engineering.
• Full ownership of Microsoft domain. DNS and DHCP operation, domain policy creation and enforcement, and operating system patching. Terminal services licensing and optimization. End user support for software/firmware/hardware engineers running both Windows and Mac OS.
• Provided full design and support for messaging environment. Optimization of Exchange 2003, monitoring of services. Installed BlackBerry Enterprise Server and set group policies.
• Architected and deployed infrastructure and endpoint security via Symantec Mail Security for Microsoft Exchange 4.6 and Symantec Antivirus Corporate Edition from 7/8 to 9.0.
• Determine workstation standards and centralized deployment methodology via Ghost Corporate Edition. Manually built Microsoft 2000/2003 and FreeBSD servers. Ran Red Hat kickstart builds.
• Administered internal operations and procurement. Asset tracking, support records, software library, licensing. Maintained Avocent, rebuilt server RAID arrays, managed BackupExec. Inventory for back stocked machines and consumables.
• Complete desktop support and management for Windows and Linux users. Created domain, email, NIS, CVS, VPN accounts.