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Antonios Hondroulis

Systems Engineer III

Sr. Cloud Solutions Architect

Raleigh, North Carolina

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Antonios Hondroulis's Email Addresses & Phone Numbers

Antonios Hondroulis's Work Experience


Systems Engineer III

June 2016 to May 2017


Consulting Systems Engineer

October 2013 to April 2016

Riverbed Technology

Systems Engineer III

March 2012 to September 2013

Antonios Hondroulis's Education

University of Illinois at Urbana-Champaign

MS, Mathematics

2005 to 2007

Stanford University

MS, Computer Science

1999 to 2004

Polytechnion Kritis

B.Sc., Electronics & Computer Engineering

1994 to 1999

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About Antonios Hondroulis's Current Company


Covering Enterprise Sector accounts within the CarolinasAssisted with Channel growth in the region, met with regional partners to build the Fortinet channel and enhance the relationships, gave high-level and technical presentations to regional partners, participated in regional security conferences and other Fortinet sponsored events.Met and collected initial requirements, presented Fortinet solutions, set up PoC for potential customersCertified...

Frequently Asked Questions about Antonios Hondroulis

What company does Antonios Hondroulis work for?

Antonios Hondroulis works for Fortinet

What is Antonios Hondroulis's role at Fortinet?

Antonios Hondroulis is Systems Engineer III

What is Antonios Hondroulis's personal email address?

Antonios Hondroulis's personal email address is a****[email protected]

What is Antonios Hondroulis's business email address?

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What is Antonios Hondroulis's Phone Number?

Antonios Hondroulis's phone (704) ***-*180

What industry does Antonios Hondroulis work in?

Antonios Hondroulis works in the Information Technology and Services industry.

Who are Antonios Hondroulis's colleagues?

Antonios Hondroulis's colleagues are Jonathan miller, Gary Arutyunyan, Norman Boyer, Rory V., Brian Kerr, Brandon Hunter, Gowrishankar Holalkere, Harinath Sonnathi, Francisco Fernandez, and Ninggang Chen

About Antonios Hondroulis

đź“– Summary

Systems Engineer III @ Fortinet Covering Enterprise Sector accounts within the CarolinasAssisted with Channel growth in the region, met with regional partners to build the Fortinet channel and enhance the relationships, gave high-level and technical presentations to regional partners, participated in regional security conferences and other Fortinet sponsored events.Met and collected initial requirements, presented Fortinet solutions, set up PoC for potential customersCertified for up to Fortinet’s NSE 6 IAM specialist (Network Security Expert program). From June 2016 to May 2017 (1 year) Consulting Systems Engineer @ Cisco Member of Meraki Cloud Networking group, covering SLED - Public Sector accounts at Federal/State/Local/Education level, in South-East US.Trained and developed Cisco SEs on how to best address customer needs via Cloud Networking solutions in Wireless, UTM, switching/routing, and Enterprise Mobile Management / MDM spaces.Explained Cloud Networking and gave demos of actual networks to customers, including Wireless and Security options, Switching, Routing, UTM Security and EMM / MDM / BYOD options. Assisted customers with design, installation and Proof-of-Concept setup, and evaluation/testing. Assisted in problem resolution.Quarterly offered Cisco-Meraki partner CMNA certification instruction and hands-on labs. Offered Meraki Mini-Labs hands-on experience training to customers.Expert in Cisco Meraki MR wireless, MX security, MS switching, Systems Manager MDM (IOS, OS-X, Win, Android) From October 2013 to April 2016 (2 years 7 months) Systems Engineer III @ Riverbed Technology Covering major accounts in the Carolinas, including financial, energy, gov and telecom verticals. IBM, TIAA-CREF, Lincoln Financial, Duke/Progress Energy, Time Warner Cable/Media, Hearst, Redhat, NC DOT etc.Consulted and designed on best strategies for consolidating Servers and local Storage out of branches into the datacenter. Determined best approach to delivering WAN Optimization solution to corporate locations and mobile users. Reviewed and responded to technical requirements in RFPs. Routinely performed network design, and virtualized storage (Granite) pre-sales support. Provided hands-on setup assistance to customers, during first install and also fine tuning existing installs. Provided technical explanations and extensive training to customers. Worked with Customers in accelerating applications like : CIFS, HTTP, MAPI, SSL, Citrix ICA, VMware View, RDP Terminal Services, SCCM, AD replication, Sharepoint, Outlook Anywhere, NFS, Lotus NotesPresident's Club 2013, Headwaters Club 2012 From March 2012 to September 2013 (1 year 7 months) Systems Engineer @ Cisco Systems Service Provider Channels, supporting Verizon channel, main responsibilities to develop Verizon’s SEs & provide presales support. Team of 11 SEs and 2 SEMs supporting a $900+ million channel.Supported Verizon’s Adv. Customer Engineering (ACE) group, typically working on deals with Fortune 100, global scale enterprise customers. Provided extensive network design presales support, mostly in Borderless Networks, Data Center areas, including routing, switching, security, wireless, server virtualization, DC switching, application acceleration:o Reviewed technical requirements in RFPs, assisted Verizon SEs with technical discussions with customers on tech requirementso Developed technical solutions: designed data network topologies (MPLS / PIP, Internet Access / IDE/IDA, private lines EPL, Metro-E EVLP / VPLS, IP VPN, TDM based solutions etc), routing protocol selectiono Recommended, developed or validated hardware configurations and bills of materials (BOMs), for customer side (CPE) and SP sideo Provided references to Cisco datasheets, design documentation (CVDs), IOS configuration documentationo Provided assistance with network availability analysis, MTBFSupported Verizon’s Mid-tier groups (Sub-1000 user space), small scale deal support, presentations or demos twice a month for 1.5 years, to over 50 partner SEs, on the following topics:o Design (WAN Edge, Internet Edge, LAN side), routing CPE, LAN switching, Metro-E switching, Wireless, Security (Firewalling, IPsec, GET-VPN, DM-VPN), Servers (B-series and C-series UCS), Nexus DC switching, WAAS Application Acceleration.Before SP Channels, as Associate SE at Cisco, I received a one-year long training in Sales at Cisco’s Sales Associate Program (CSAP ASE portion), focusing on technical Cisco products & solutions as well as development of business acumen and presentation skills:o Areas of focus: selling, presentation skills, understanding the customer and building rapport, essentials of business financials From July 2008 to August 2011 (3 years 2 months) System Administrator, DBA, Financial Software Maintainer @ University of Illinois at Urbana-Champaign Administered a local network of Sun servers running UISES, the online trading platform used at UIUC and another 10 universities world-wide in teaching trading. Sole administrator for about 1000 users)Technical problem analysis and resolution. Responsible for Sybase DB (mostly backups and log maintenance), Apache and Tomcat servlets maintenance. Setup and maintenance of networks, DNS, email, cron, backups within LAN, account management.Programmed/maintained the financial application, using Java, CORBA and SQL / PLSQL, to fix bugs of varying severity, from simple mathematical/financial cacluations to total system hang-ups. From August 2007 to May 2008 (10 months) Department of FinanceSystems Software Engineer @ Cisco Systems In IOS-XE kernel development (now running on all WAN routers from Cisco, ISR, ASR and CSR!), I designed and implemented pmr-script, a Python script taking control of, resetting and re-configuring a Lab test router. The script would verify or book a reservation, detect current state of router (which could be in ROMON, IOS-XE, Linux or IOS modes), resetting it smoothly, re-configuring the IOS-XE and IOS environments and handing over control of router to developer. The script automated the process of testing IOS-XE development on Lab prototype routers.Ported lmbench tools from Linux Benchmark Suite to IOS-XE. Integrated building of lmbench into the IOS-XE build system, modified config scripts for running lmbench on lab routers, for detailed system benchmarking. From May 2007 to August 2007 (4 months) Systems Software Engineer @ Cisco Systems Worked on IOS-XE kernel development (currently running on the SP-grade ASR 1000 series routers of Cisco).Designed and implemented dag-tool, a user-space tool enabling ISSU and OIR, for keeping track of package dependencies and command-subsets available in IOS-XE. Model using DAGs, implemented graph module and algorithms based on traversals, cycle detections, connectivity etc. Parsed input and produced final output in XML. Programming in C.Designed and implemented IOS-XE commands for enabling/disabling and extracting statistics about the watchdog mechanism of IOS-XE. Extended existing mechanism to allow for keeping track of stats for different system daemons. From May 2006 to August 2006 (4 months) Systems Software Engineer V @ Hewlett-Packard Labs In distributed Storage Systems, I worked on FAB (Federated Array of Bricks).Designed and implemented an RPC/RDMA interface & library over Infiniband, using IT-API and VAPI, in C++. Implemented RDMA-capable hardware simulation layer in TCP sockets, for testing the above library.Wrote a Linux kernel module to provide polling capabilities on file descriptor handles of VAPI, facilitating asynchronous I/O.Ported portions of the thread and scheduling library of FAB, from custom built user-level threads to standard kernel-level pthreads. Recoded wrapper library for huge-stack lib calls, polling & threading facilities for deadlock prevention based on RPC priority levels.Set up automatic reinstallation of Linux (SuSE, Fedora) on rack mount storage servers using PXE.Created patch for Linux cciss RAID driver to enable HDD detection, command queueing and capturing by the scsi subsystem. From July 2004 to July 2005 (1 year 1 month) Research Assistant @ Stanford University Computer science PhD drop-out, Databases Systems Qual, operating systems, databases, networking, voice gateway software, scientific computing, computational logic From September 1999 to May 2004 (4 years 9 months) Systems Software Engineer @ Hewlett-Packard Labs In Storage Systems, I developed a virtual block device intended to be a component of Hippodrome, an enterprise scale storage system, which automates system configuration/reconfiguration while adapting to storage requirements. Block device supported controlled performance degradation, caused by administrative maintenance/reconfig operations that require data migrations.Designed and implemented a micro-LVM driver for Linux, in C. The virtual block device built was capable of supporting dynamically controlled rate of block migration to new physical partitions within a host. Implementation in user & kernel space. Modified existing administrative commands for volume management, and data migration. From June 2001 to September 2001 (4 months) Systems Software Engineer @ Hewlett-Packard Worked on enhancing the HP-UX kernel (HP's version of UNIX).Implemented enhancements in the threads and process scheduling subsystem using C, to enable fine profiling of scheduling delays in multi-CPU servers. Modified kernel side and user level command pstat() for statistics.Designed and implemented a highly configurable benchmarking script for multi-CPU scheduling, in Perl. Benchmarks allowed for variable number of processes and threads scheduled with different policies, different I/O vs CPU bound loads, different processor/cache affinities etc. From June 2000 to September 2000 (4 months) Sr. Cloud Solutions Architect @ Smartronix Member of SMX Professional Services. Cloud Migrations for Enterprise and SLED/Gov clients, Design and Implementation of AWS solutions for Smartronix customers: L’Oreal, States of MA, WV, DoD, TI Fluid Systems, IQPC. Author of the AWS Cloud Solution Delivery Procedures Document for a DoD IT organization acting as a Cloud MSP/Broker within DoD. Author of Backup and DR Strategy for a global enterprise customer. Designs of global/multi-region AWS networks and design reviews, with emphasis on networking and network security. Cloud network security implementations with Fortigate, FortiWeb, Palo Alto Networks NGFWs. VMware Cloud on AWS.EC2, ALB/NLB/ELB, VPC, VPC peering, Transit Gateway, Cognito, SAML Integration with AD, IAM, CloudWatch, VPC Flow Logs, AWS Workspaces, CloudFormation & Terraform, RDS, IAM, ACM, Route53, S3, ASG, Athena, SG. KMS, CloudWatch Events/Logs/alarms, Config, CloudTrail, SSM, ACM, WAF, IAM, Direct Connect, Route53, Transit Gateway, CloudFront, EBS, Storage Gateway, EFS, RDS, DynamoDB, Auto Scaling, SQS, SNS, AWS Directory Service/Connector. Architecting for DR, Web Applications, HADevOps: CloudFormation, AWS CodeCommit, CodeBuild, CodeDeploy, ECS, Docker Compose and networking. Knowledge of CI/CD deployments, EB. Familiarity with CDK & TerraformL2/3 Troubleshooting Security NGFW & WAF, Linux and Windows Server environments. Use Athena to import and process ALB logs, automate compliance with AWS Config rules, troubleshooting of connection issues with load balanced managed containers environments, Cloudera cluster authentication configurations and troubleshooting, troubleshooting of connection issues with load balanced Kubernetes managed containers, MongoDB, Cassandra, Windows AD user accounts, DDoS mitigation, Cloud Fortigate, Palo Alto, Sophos and FortiWeb implementation and/or operations, scripted deployment of Duo MFA, SAML integration, Rsyslog server implementation. Level 3 troubleshooting of Networking, Security and Unix related tickets. From October 2017 to October 2020 (3 years 1 month) Raleigh-Durham, North Carolina Area

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Antonios Hondroulis's Personality Type

Introversion (I), Intuition (N), Thinking (T), Judging (J)

Average Tenure

1 year(s), 7 month(s)

Antonios Hondroulis's Willingness to Change Jobs



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