US Citizen | Austin, TX 78758 | (512) xxx-xxxx
| tishchenko@yahoo.com
Alex
Tishchenko
- Extensive IT
experience in Financial and Technology sectors
- Infrastructure: HA architecture, cost management, automation, BCDR,
Cloud migration, environment standardization
- Public and Private cloud: VMware, Docker/Containers, Amazon Web
Services (AWS), MS Azure
- OS platforms: in-depth knowledge of Linux (RHEL, CentOS, Amazon Linux),
Windows; HPCC
- Toolsets: Bash, Python (incl. Boto3), PowerShell, SQL, Terraform, Git,
Tableau; fundamentals of C, Java, .NET, PHP
- Expert knowledge of Dell|EMC, HP, Brocade, Cisco, F5 and other
enterprise product lines
- Datacenter: colocation selection, relocation/setup from ground up,
Telco/datacenter management
- Compliance: PCI-DSS 3.x, SSAE 16 (former SAS70), HIPAA, NIST (STIG)
security framework
- Financial Planning/IT budget management; ROI/VOI; Project Management;
contract negotiation, vendor management
- Agile (Scrum/Kanban) and Waterfall methodologies; DevOps; IaC, IaaS,
technical writing
- Enterprise
Architecture (EA) framework: TOGAF 9 Foundation (The Open Group Architecture
Framework)
- Cloud: AWS Certified Solutions Architect-Associate
- Linux: RHCE (Red Hat Certified Engineer), LPIC-1 (Linux Professional
Institute Certification)
- Microsoft: MSCA, MCSE (Microsoft Certified Systems Engineer)
- EMC: EMCIEe (Implementation Engineer, Solutions Expert), EMCCE
(Customer Engineer, Solutions Specialist)
- Dell: DCSNP (Dell Certified Storage Networking Professional)
Infrastructure
Architect
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Oct '20 to Present
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Acxiom
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Austin, TX
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- VMware,
Block/File/Object Storage, Backups and BCDR; Dell|EMC, IBM, Infinidat,
Brocade, Veritas
- AWS Infrastructure, Lambda, Boto3, Control Tower, Docker, Jenkins,
CI/CD
- Automation, scripting, Python, Bash, IaC Terraform Cloud, GitHub
Enterprise, REST API
- Capacity Management, AWS Config, Tableau and Excel
Dashboards/Analyses/Forecasting; SQL Data Manipulation
- Various projects, POCs, cost assessments and benchmark testing for
on-prem and in AWS
Director of IT
Operations and Infrastructure
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Dec '19 to Jun '20
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CreditShop LLC
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Austin, TX
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- Responsible for IT,
DevOps, DBA, MFT, Production Support and Help Desk
- Lead a geographically dispersed team to drive Infrastructure and
Continuous Integration/Delivery (CI/CD) Modernization,
Cost Savings and PCI-DSS compliance in AWS and Azure clouds and on-prim
environments
Accomplishments:
Cut AWS infrastructure cost by 25% thru:
- Migration to On-Demand Development environments, Jenkins
infrastructure, and containers
- Implementation of EFS, S3/Glacier manual (end user) and intelligent
tiering
- Change from monolithic to microservices architecture
- Contract negotiations, savings plan, prepay, spot instances use
Implemented processes and infrastructure changes to achieve PCI-DSS and CIS
Benchmarks compliance:
- Matured enterprise patch management by implementing governance, process
automation and control structures, resulting
in drop from 1,000s of non-compliant vulnerabilities monthly to zero
across AWS and Laptops
- Corp, Prod, CDE infrastructure segmentation (AD, network, AWS
accounts); AWS Transit VPC standup; PaloAlto HA
- Implemented Ansible Tower for patching and configuration automation;
ELK, LogRhythm, Symantec SEP, DLP, MSS;
Azure SAML/MFA; server LDAP auth; migrated from Keys to AWS IAM Roles;
Contrast Security CI/CD integration
IT CAB processes; 24hr Production Support coverage, hand-off/rotation
procedures
COVID-19 pandemic response:
- Migrated company to 100% remote; implemented MS Teams (Conferencing
solution); remote Help Desk
Completed monitoring, performance, and latency improvements:
- Service Monitoring and Alerting leveraging AWS Lambda functions; NOC
Single Pane of Glass monitoring dashboard
- Migration to DB stored procedures to increase response times; DB
connection pooling enablement to decease latency
Cost/time saving projects:
- 3rd party Java SSL certificate management improvements
- On-demand Encryption/Decryption services for Tech Ops team
- Managed File Transfer (MFT) migration from Cerberus to GoAnywhere
- IBM Sterling Connect:Direct to allow for NDM communication to TSYS
- Wilmington, DE office move
Lead Infrastructure
Architect
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Nov '16 to Dec '19
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Visa Inc
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Austin, TX
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- Strategic planning,
development and facilitation of solutions to business and infrastructure
challenges
- Building organizational consensus around infrastructure strategy;
assurance of organizational broad awareness
- Assessment of industry trends and emerging technologies; Gartner/IDC
research
- Scrum Master (Kanban Flow Manager); Data Protection Program management;
automation initiative; DR strategy
- Funding approvals, contract negotiation, vendor relationship
maintenance
- Analyses of large data sets; SQL; Tableau and Excel dashboards
- Hands-on help to Storage, Network, Virtualization, Automation, OS, DB
and Capacity teams: network packet capture/
analyses, automation spec writing, design blueprints, RHEL/AIX/VMware
performance/analyses/troubleshooting,
Bash and PowerShell scripting, Windows security, ...
Accomplishments:
- Achieved 48% decrease in Data Protection spend by development and
leading migration to new architecture utilizing
updated technology stacks and improved Database and VMware backup
methodologies
- Re-negotiated Visa International and Visa Europe Data Protection
license costs resulting in 70% cost savings
- Integrated WORM protection into Data Protection stack
Senior Manager Virtualization
and Automation
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Feb '16 to Nov '16
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WorldPay
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Atlanta, GA
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Senior Enterprise
Infrastructure Architect
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Aug '14 to Feb '16
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WorldPay/SecureNet
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Austin, TX
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Senior Systems
Engineer
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Nov '12 to Aug '14
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SecureNet
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Austin, TX
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- Responsible for the overall
vision, leadership, direction, governance & strategies associated with
the planning, delivery,
management, and support of virtualization infrastructure and automation
- VMware ESX/vSphere support across 6 data centers; Horizon View VDI environment;
monitoring
- Self-service portal build up and automation;
- Management of geographically dispersed team; project management
- Cost reduction, integration and processes optimization
- Amazon Web Services (AWS) and Microsoft Azure proof of concept
- Managed, defined, and evolved enterprise technology strategy through
alignment with corporate business strategy by
driving technology blueprints, conducting technology assessments,
automation and managing the technology portfolio
- Budgeting; primary point of contact for vendor engagement and
relationship management; project management
- PCI DSS compliance; environment standardization and documentation
- RHEL/CentOS, Solaris, VMware vSphere administration
- EMC CLARiiON/Dell Compellent SAN, PowerVault MD administration on SAS,
iSCSI, Cisco MDS, Brocade fabrics
- f5 Big IP, Cisco ASA/Catalyst and Windows secondary admin
responsibilities
Accomplishments:
- Grown Virtualization & Automation team from a single engineer to a
team of six
- Inventoried, patched and secured WorldPay virtualization infrastructure
for PCI DSS ROC submission
- Successfully completed primary WorldPay datacenter migration to a new
colocation (Atlanta, GA)
- Built IT lab
- Under budget near 100% server and SAN hardware refresh and retrofit;
over 90% environment virtualized; near $1 million
(USD) in savings via optimization, re-engineering, automation and
contract/vendor negotiations
- Architected and implemented DR infrastructure and automation to meet
<30min RTO
- Successful datacenter migration from Sterling, VA to Las Vegas, NV with
close to zero hardware budget; allowed
organization cross datacenter operation with minimum latency; over 30%
savings in month-to-month colocation spending
- Key participant in SecureNet PCI DSS audit proceedings; year-to-year
successful ROC submission
- SolarWinds expansion to monitor storage and virtualization
infrastructure; vROPS implementation
- Monetra (payment gateway) major architecture upgrade for PCI-DSS
compliance
- Feedzai (Cassandra based fraud prevention system) design, buildout and
integration into SecureNet authorization system
- Planet Group - Acquire360 (Merchant Billing, Settlement and Chargeback
platform) migration from Solaris to Linux,
redesign and major version upgrade; allowed to scale SecureNet merchant
boarding capabilities and reduced hardware cost
- Multi-distribution Linux environment upgrade/standardization on latest
Red Hat OS; server deployment automation
- NTP and external DNS re-architecture; Oracle RAC environments migration
and standardization on 12c/RHEL
Senior Systems
Engineer, IT Hosting Services
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Oct '11 to Nov '12
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Epicor
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Austin, TX
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- EMC CLARiiON CX4-,
CX-series, HP 3PAR P10000 V800 storage administration on Brocade and McData
FC fabrics
- VMware administration: 40 ESX servers, 500+ VMs, multiple datacenters
- Automation; performance analyses and tuning; environment documentation
and standardization
- VAR relationship management; project management
- SAS70 (SSAE 16) and PCI DSS compliance
- Backup Linux/Unix admin: 400+ RHEL4,5,6 and Solaris 8,9,10 servers,
Veritas Clustering (VCS, VxVM)
Accomplishments:
- VMware contracts re-negotiations and infrastructure redesign resulting
in over 20% cost savings
- Storage and server hardware refresh: migration from EMC VNX/Dell
PowerEdge to HP 3PAR/ProLiant
- Key participant in Activant and Epicor infrastructure merger planning
- Successful PCI DSS ROC submission
PG Software Engineer
Advisor, Data Center Solutions Engineer
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Mar '10 to Oct '11
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Dell
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Austin, TX
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Services Technical
Consulting Advisor, Field Systems Engineer
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Dec '08 to Feb '10
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Dell
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Austin, TX
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Enterprise Technical
Support Advisor
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Aug '05 to Dec '08
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Dell
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Round Rock, TX
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Server/Storage Support
Analyst
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Apr '02 to Aug '05
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Dell
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Round Rock, TX
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- Dedicated operations
engineer for Facebook, Yahoo and OnLive; backup for Amazon and Microsoft
- Systems integration support; automation; scripting; performance
testing/optimization; IPMI; Intel Node Manager
- Microsoft/VMware failover clusters, ROCKS+/Platform PCM (OCS) HPC
clusters deployment and troubleshooting
- Brocade, Cisco MDS, InfiniBand/Mellanox, Dell|EMC, EqualLogic,
PowerEdge, PowerConnect, PowerVault NAS/tape,
Windows, Red Hat, VMware ESX and GSX (VMware server), Solaris, AIX,
HP-UX
Accomplishments:
- In collaboration with Facebook developed common platform for system
configuration changes and firmware delivery
- Wrote tool for SMBIOS modification
- Developed and pioneered factory integration model for HPC clusters at
Dell using 3rd party integrator (TriFusion)
- Developed and implemented North America's Dell|EMC Remote Enterprise
Assistance program, creating foundation
for Dell Global Services program
BS, Bachelor of Science,
Texas A&M University-Commerce; GPA: 3.95, Magna Cum Laude
Major: Computer Information Systems; Minor: General Business
Fluent in English, Russian
and Ukrainian, conversant in Spanish
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