MARC SZABO

** ******** ****

Norwalk, CT *****

addhr3@r.postjobfree.com

203-***-****

SPECIALIST: Systems Specialist (UNIX (Solaris, Linux, SCO, AIX and HP) Windows 2016/Active Directory & Citrix.

Virtualization (ESXi, VMware, vSphere, vCenter, RHEV, ….) and AWS Cloud technology.

HARDWARE/ Printers, Hubs, Routers, Switches, HP/Dell hardware, SAN equipment (3Par, Kaminario, EMC).

SOFTWARE: WINS, DHCP and DNS, LDAP, SAMBA, MySQL, Windows applications (i.e., MS Office Suite)

Operating Systems (i.e., Linux v5, v6 & v7, HP-UX, SCO, Solarisv2.6 – 10 and AIX.)

EXPERIENCE:

Teladoc Health 11/2018 - Present

Experience working with the AWS Cloud Environment including:

oBuilding EC2 Instances (Amazon Linux 2 & Windows 2016), from scratch, using AMIs, and using CloudFormation.

oCreating and mounting EFS mounts to an EC2 Instance, as well as S3 buckets.

oCreate and apply Load balancers (ELBs), internal or external.

oCreate and attach security groups as necessary per EC2, ELB, EFS, ….

Develop and Maintain our own on-prem cloud environment using VMware vSphere v5.5, v6.0 & v6.5 along with vCenter v6.0.

Support applications teams with installation/configuration and hardening of IIS Web instance for Cognos App.

Perform daily systems administration tasks, including patching and supporting multi-site-forest Active Directory, Free IPA, GCs, DNS, Windows servers, Windows file/print, Linux servers, Office365, VMware ESXi-6.x, and RHEV.

Technologies including Routing, Switching, Wireless, Firewall, VPN, MPLS, VLAN’s, Puppet and Satellite.

Install software releases, OS system upgrades/Patches and troubleshoots all OS/software issues.

Participate in Application Development release management cycles when needed.

Maintain data integrity and monitor system configurations to ensure data integrity – Nagios, Observium, LibreNMS & AWS Monitoring (WatchCloud).

Develop and maintain installation and configuration procedures, and system documentation using confluence.

Handle and maintain the confidentiality, integrity and accessibility of sensitive information (PCI, PHI, …).

Provide support to global remote offices and customers as needed via the Team Support Ticketing system.

Participate in Disaster Recovery implementation and testing.

Assist in the planning and implementation of new IT initiatives in a team environment.

Priceline.com 4/2005 – 6/2018

Sr. Systems Administrator

Team Leader responsible for the Build/Support/Secure and Maintenance of the Linux Unix environment for 3 Datacenters – RHEL and CentOS v5, v6 & v7- 64-bit using PXE Boot, kickstart, Ansible and Rundeck.

Successfully reduced deployment times of Server Builds from 4 hours to 30 minutes using Ansible and rundeck.

Helped to develop our own internal cloud environment using VMware vSphere v5.5, v6.0 & v6.5 along with vCenter v6.0 as well as working with AWS and EC2 cloud environment.

Implement automation processes and procedures, including PowerShell, Ansible and Rundeck to automate server builds.

As an Administrator, I’ve performed all the duties related to system administration within a 24/7 working environment including – Rack and stack server hardware, build out the OS, perform backups and restores as necessary, perform resource and capacity planning, involved in performance monitoring and tuning as well as shell script writing (sh, ksh, Python, awk, sed) to automate manual jobs

Work with and support the DBAs to manage database configurations, install Oracle clients as well as create mount points and set permissions as required.

Work with and support Developers and the QA Team to install utilities and tools such as Websphere, java & MQ7 applications.

Work with QLOGIC SAN hardware equipment and Veritas Volume Management tools to integrate with either 3Par and Kaminario SAN technology or other StorageArrays for the Linux and Solaris Operating Systems.

Work with other distribution technologies such as the BladeLogic package.

Create confluence sites to support and maintain documentation for the Unix group.

Work with diverse Hardware like the SUN M4000s, SUN Blades and HP BL460c Blade servers performing Firmware and BIOS upgrades as required.

Manage multiple projects, between multiple Departments (Development, QA and DBAs), to completion such as migrating from Linux RHEL/CentOS v5 to v6 or v7, migrating physical servers to virtual servers (P2V) for the purpose of server consolidation and perform PCI compliance.

Build out and Maintain VMWare ESXi v5.5, v6.0 & v6.5 Host servers for the virtual environment.

Amnet Systems 5/2004 – 4/2005

Consultant – Sr. Systems Architech

Successfully designed, planned and implemented multiple Virtual Windows 2000, 2003 and Linux servers running on the VMWare ESX operating systems for our clients requiring HA systems.

Successfully Designed planned and implemented a migration from a Windows NT 4.0 Server network to Windows 2003 Server with Active Directory based on customer requirements for a Client of 100 users and 20 servers in three sites. Also, configured Group Policies for tightened security.

Successfully implemented a Citrix Farm of 4 Windows 2003 Standard Servers, using Nfuse and published Applications including Lotus Notes, Microsoft Office XP and other client specific (legacy) applications.

Successfully designed, planned and implemented a complete Local Area Network with a Windows 2003 Standard File & Print server including the installation of six (6) HP xw8000 workstations running Windows XP, for high reliability, for a hedge fund requiring high processors and high reliability systems.

Implemented the Trends ISMSS Anti-virus / Anti- SPAM solution for a client. Implemented the solution running on Red Hat Linux for high reliability.

Install IP Power Strips into the Racks within a colo facility and labeled each hardware plugged into each outlet to provide remote access to power cycle hardware devices.

GE Capital Commercial Finance 10/2000 – 5/2004

Sr. Engineer

Developed, wrote procedures for and performed Standard Red Hat Linux 7.2 & 7.3 Operating systems Installations as well as for the Solaris versions 2.6, 2.7 and 8 Operating Systems– Also responsible for performing complete server builds from hardware to racking including Virtual Servers using the VMWare ESX operating system.

Perform capacity planning objectives with the development team in order to evaluate and/or recommend purchases of proper size hardware required per project using the six sigma DMAIC process.

Ensure security of the three-tiered Hosting environment (web, app and database) by hardening the O/S and implementing firewalls running the CheckPoint software, configuring Netscape proxies and Apache Web servers

Responsible for the design, testing, implementation and continual updates to the companies Disaster Recovery Plan.

My experience also includes good communication and documentation skills as well as good hands-on skills like taking apart and Trouble shooting various desktop and server hardware.

Heating Oil Partners. 5/2000 – 10/2000

IT Manager

Manage a staff of 4 IT professionals in supporting the corporate office as well as 22 satellite offices for a total of 300 users.

Responsible for the setup, upkeep and maintenance of 30 plus Windows NT servers, Terminal Servers and Domino Notes Servers. Also responsible for installing and configuring the Citrix client on end-user systems and training systems.

Responsible for the upkeep and maintenance of the PIX Firewall.

Thomson Newspapers, Inc 7/98 – 5/2000

Sr. Network Engineer / System Administrator

Project Manager for the planning and implementation of an MS Exchange rollout project to replace the cc:Mail system Corporate wide (20 Sites in the US and Canada). The rollout included installing MS Outlook 2000 as the mail client. In order to accomplish the migration many sites needed to have an NT Domain infrastructure created for them. This required the installation of a PDC and supporting BDC in addition to the Exchange server and in some sites a Bridgehead server and firewall.

Provide support for the MS Exchange system by creating monitors to ensure the MTA and other connectors are functioning properly and alerting when there is a problem. Also provide day-to-day User Account Adds/Mods/Deletes.

Electronic Retailing Systems International, Inc. 1/98 – 7/98

Systems Administrator

Responsible for the Administration of the AIX UNIX Servers (RS/6000s), SCO UNIX Servers and Windows NT Servers for the Software Engineering Department. Also involved in writing Detailed Functional Requirements and implementing Communication between the Store’s Point-of-Sale Controller (POSC) and ERS’s Application Server.

Successfully configured and implemented the Routing and RAS Admin software on the NT 4.0 Server to allow the NT Server to act as a Router between the Lab Network and Corporate Network so that the programmers could access the lab UNIX servers for testing purposes.

LABATT USA, Inc. 101 Merritt 7, Norwalk, CT 06856 5/96 – 1/98

Systems Services Manager

Responsibilities include installing and maintaining the Windows NT server using the RAID 5 architecture and running

TCP/IP and NetBIOS Network protocols.

Maintaining the HP 9000 (G30, H50 and K450) system and file structure. Migrated from MS-Mail to the Exchange

email system from the HP 9000 box to a Windows NT server. Provide UNIX (and NT) Admin such as

adding users, modify CRON scripts, apply and Update Patches (and Service Packs for NT), provide performance

analysis, add disk drives as needed, run backups, etc. Setup the DIGIRAS LanaServer to provide laptop users

Remote Access to e-mail system and other server resources. Also maintain user's hardware and software

requirements on PC's running WFW and NT Workstation.

DORRIE International 9 Wilton Ave., Norwalk, CT 06852 10/94 - 5/96

Regulatory Compliance Manager

Functions include: System Administrator for the entire company. I developed and performed training programs

in the following areas: Microsoft Applications such as: Works, Word, WordPerfect, Excel and other applications as

needed. Also provide training and support for operating systems such as: Novell Netware, Windows and DOS.

Other responsibilities included system backups, data integrity as well as adding peripheral hardware to existing PC's

such as CD ROMs, Scanners, hard drives, video boards, SCSI boards.

CONSULTANT 5/93 - 10/94

CitiCorp, 1 Court Square, Long Island City, NY

Migration Specialist - Responsible for migrating systems from the Pathwork and Banyan environment to the Novell

Network version 4.1 environment. This involved upgrading hardware (i.e., installing larger hard drives, increasing

memory, replacing NIC cards ) and software. This also involved maintaining connectivity to the VAX system via

3270 emulation using Reflections 2 and TCP/IP & NLAT protocols. Also responsible for training each user on the

new capabilities of their system.

Bayer, Inc. Pharmaceutical division, 400 Morgan Lane, West Haven, CT 06516

Install, set up, train and support the Novell Networking system (LAN) and residing Applications. Integrated Novell's

Network system using the TCP/IP protocol and a Router to work in tandem with Pathworks Network system on each

workstation within the Pharmaceutical Division. Perform System Administration tasks such as: System Backups both

LAN and workstations. Maintain data integrity and system security for Netware v3.12. Write SOPs (Standard

operating Procedures) for various apparatus/equipment within the department. Responsible for Sanitary inspections

under GMP, to comply with FDA regulations.

DATALOGIX INTERNATIONAL, INC., Valhalla, NY 5/89 - 5/93

Assistant Product Manager/Resource Specialist

Served as project manager over a staff of six programmers responsible for the development of Product

Management, Formula Management, Costing, Regulatory and MRPII systems for CIMPRO and GEMMS

software product.

Managed programs and databases for each module within the operating system (UNIX, VMS, AIX) for the ERP

software. Maintained the integrity for new Releases to prevent the wrong programs from going out in the release.

Developed and performed in-house and on-site training courses, as well as implemented CIMPRO software to the

customer base, in the fields of Laboratory Techniques, Regulatory Compliance, Production Management, Order

Processing and Purchasing.

Written and executed system test plans, which resulted in a sizable reduction of system errors as well as increased

customer satisfaction.

ISIS COATINGS, INC., Stamford, CT 8/88 - 5/89

Research Associate/Safety Engineer

Implemented maintained and supported the Manufacturing Software (CIMPRO) for the company on the HP9000

system. This included late hours of system setup, manipulation of data and files within the IDOL database system

and UNIX O/S.

Provided technical support to the end users.

EDUCATION/TRAINING:

The University of Connecticut, Storrs, CT. B. S. Degree in Chemical Engineering, May 1988

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