BRIAN D STAJKOWSKI
7628 Chase Hallow Street

Las Vegas, NV 89149

Preferred Contact: Phone
702.575.7890
stajkowski100@gmail.com

 

Objective: DevOps Engineer, Senior/Principle Network Engineer, Systems Engineer III

Clearance: Top Secret SCI (TS/SCI)

Available: Full-Time

Technical Skils

 

Networking:

·   Expert: BGP, OSPF, HSRP, QOS, 802.1x, Multicast, VLANs, STP, IPSEC VPN, DMVPN, G2 ISR Routers, 15.X IOS, Network Security, ACLs, Cisco ASA 55xx, TCP, DHCP, DNS, CDNs, F5 Load Balancing LTM, Fiber Channel Switching

 

Programming/Automation:

·   Advanced: Chef, Rightscale

·   Skilled: Ruby, Vagrant, Test-Kitchen, Serverspec, Chef-Server, HTML/CSS

·   Novice: Python, Django, Java

 

Systems/Application Support:

·   Advanced: NGINX, Windows IIS, JIRA

·   Skilled: VMware, HP EVA, HA Proxy, Apache, Ubuntu, Debian, CentOS, MSSQL, MySQL, Memcached, HTML/CSS, Varnish, Github

·   Novice: 3Par Storage, XEN Server, Jenkins

 

Education and Certifications

 

College/University:

Associate of Arts Information Technology/Networking   Univ. of Phoenix

Bachelors of Arts Computer Science/Networking     Univ. of Phoenix

 

Certifications:

Cisco Certified Network Associate (CCNA)

Cisco Certified Network Professional (CCNP)
Cisco Certified Internetwork Professional (CCIP)

 

Employment

 

DevOps Engineer/Manager (Bally Technologies Las Vegas, Nevada) Promotion  January 2014 – Present

·         Responsibilities:

Lead a team of 4 DevOps Engineers to provide design solutions for all online gaming systems/networks. Led the project to develop continuous delivery using Jenkins, EC2, VMware and more. Using Python/Flask, developed QA portal to provide interface to launch online games, analyze game performance. Developed Serverspec Tests and utilized Test-Kitchen/Foodcritic to provide full cookbook testing prior to acceptance of revisions.

Designed automation for one key Windows/.NET online gaming product using Chef/Rightscale not under the current DevOps methodologies. Developed using Chef with Ruby LWRP utilizing JSON environments for site configuration to improve consistency.

Provided overall systems design with input from infrastructure engineers. Developed solid VMware/3Par infrastructure and designed every aspect from networking/systems to integration with Rightscale and moved from manual methods of deployment to fully automated environments.

Implemented key resource management skills using Kanban to visualize overworked staff to identify unplanned work, technical debt, and flow of work through our work center. Picked key business projects and internal projects that would affect the greatest amount of change. Strived to understand how our group improved and helped the business achieve its goals.

Configured JIRA, JIRA Agile, Service Desk, and developed workflows and full customization for the support desk, development, DevOps, and infrastructure teams.

 

·         Technical Environment:

Chef/Rightscale, Ruby, Python, Jira, Test-Kitchen, Rspec/Serverspec,NGINX, Varnish, Apache, HA Proxy, F5, VMware, IIS, MSSQL, MySQL, .NET, Jenkins, EC2/AWS, Foodcritic, Memcached

 

·         Projects:

Designed automation for one key Windows/.NET online gaming product not under the current DevOps methodologies. Developed using Chef with Ruby LWRP utilizing JSON environments for site configuration to improve consistency.

 

Network Engineer III (Bally Technologies Las Vegas, Nevada)            March 2013 – January 2014

·         Responsibilities:

Maintained core BGP/EIGRP network for 350 DMVPN remote sites. Redesigned BGP to support mutual distribution between 3 Autonomous Systems. Developed automated DR failover using Enhanced Object Tracking, IP SLA, and BGP. This allowed for primary to secondary site failover, including the DMVPN connections. Configured CA ArcServe Replication and High Availability to interact with underlying network for automated failover.

Assisted in maintenance of Cisco ASA Firewalls and rules through troubleshooting denied connections, denied traffic due to matched threat detection, and denied traffic due to matched IPS signatures. Actively assisted in rule adjustment to secure networks supporting critical infrastructure.

Primary administrator of F5 LTM for Bally Interactive Online Gaming for installation, configuration, and maintenance. Developed iRules for standard HTTP header modifications required by the product. Ensured proper persistence, monitoring, http profiles, compression, ramcache, and various other configuration was sufficient to provide the highest level of performance.

Provided direct 24x7 support for growing Bally Interactive Online Gaming products. Maintained core system infrastructure of VMware, HP 3Par, IIS, Windows 2008 R2, MSSQL 2008/2012, Debian Linux, MySQL, HA Proxy, NGINX, Memcached, and Apache. Critical in maintaining database performance and identification of issues impacting database operations as well as VMware infrastructure.

Developed and owned redesigned systems/network specifications through CAPEX and quoting process. Maintained vendor relationships and ensured proper selection of the best-fit VAR to service fulfillment.

 

·         Technical Environment:

Cisco 3700/3800 WAN Routers, Cisco ASA 5525X, F5 LTM, Cisco 2960, DMVPN, BGP, EIGRP, Mutual Redistribution, IP SLA, QoS CBWFQ, VMWare 5.X, HP EVA, HP 3Par, HP DL Series Servers, IIS, Apache, Nginx, Varnish, MySQL, MSSQL, .NET, Postfix, BIND, Debian/Ubuntu Linux, Memcached, HA Proxy, CA ArcServe.

 

·         Projects:

Designed critical improvements to the Bally Interactive Online Gaming infrastructure and improved availability by increasing resources of the system due to bad systems design. Drastically improved reliability of the VMware infrastructure, Database Performance, and Storage growth by analyzing underlying performance.

 

Senior Field Service Technician (L-3 Communications Las Vegas, Nevada)         July 2009 – March 2013

·         Responsibilities:

Maintain satellite communications link for the Predator UAV.  Ground Control Station troubleshooting from Las Vegas to the distant end location. Maintain and troubleshoot Ground Control Station equipment for communications failures/human error.  Maintain and troubleshoot aircraft communications equipment: satellite dish, up converter, down converter, modem, etc.  Deploy to distant end locations to assist the military in maintenance of aircraft equipment in Iraq and Afghanistan.

 

·         Technical Environment:

L-3 Communications PPSL satellite dish, PMA Modem assembly, Various Up Converter/Down Converter equipment, Spectrum Analyzer, Ground Control Station LMA/SLMA.

 

·         Projects:

Helped design the infrastructure move from ATM to IP.  Assisted in the technical analysis of each routing and switching technology to help identify the most appropriate fit.  Assisted in infrastructure decisions on routing platforms appropriate for each site deployment.

 

Senior Network Engineer (MGM Mirage Las Vegas, Nevada)                            October 2007 – July 2009

·         Responsibilities:

Designed the new CityCenter Las Vegas multi property hospitality network to service all in-room guests in a first ever all IP based hospitality system.  Deployed PEAP 802.1x NAC infrastructure for over 50,000 authenticating devices while providing auto-installation for each and every device through VLAN assignment. 

 

Provided auto-installation design through the use of Option 82 for over 6,500 Cisco 3560s to service In-Room devices: phones, IPTV, Control4, and many others.  Redesigned the MGM Mirage Corporate Network to accommodate the largest deployment of over 1000 Juniper EX4200s, while scripting the install of each device.  Lead a team of 3 Network Engineers to analyze blueprints, bill of materials, and requirements for the 8 billion dollar CityCenter property.

 

·         Technical Environment:

Cisco 3700, 3500, 2900 switching platforms, Juniper M10i and MX Routers, Juniper 4200 and 3200 switching platforms, Juniper ISG/SSG Firewalls, Aruba Wireless Controllers with AP65 and AP70s, GuesTEK and MFH3 DirecTV IPTV Systems, SDD/Solution’s INC and Superclick Captive Portal Systems, Red Hat Linux Enterprise for use with DHCPD, Juniper Steel Belted Radius, Juniper UAC Access Controller, Infoblox DHCPD/DNS/TFTPD Appliance, Spirent SmartBits TestCenter.

 

·         Projects: 

Designed and configured an automated guest room deployment through the use of DHCPD and TFTP which enabled one configuration file for over 6500 hotel rooms.  Was able to accomplish this with PERL scripting on the DHCP Red Hat Linux Server.

 

Designed and configured a robust 802.1x In-Room switch deployment to automate device type (phone, set-top-box, etc) to VLAN assignment while protecting the Guest Network from attackers within the room.  Designed and configured the MPLS VPLS domains for Internet users, which provided layer 2 access across a layer 3 OSPF network. 

 

Designed and configured the new and improved MGM Mirage Corporate Network utilizing OSPF to the closet and switch stacking technology.  Designed and configured an automated edge VoIP deployment utilizing LLDP and Voice VLANS. Automated the configuration of over 1000 Corporate Access Switches through the use of HTML and JavaScript.  This automation ensures consistency in deployment and efficient use of engineer’s time. 

 

Designed and configured an improved/centralized access method for all network equipment for MGM Mirage with Steel Belted Radius.  Designed intricate excel spreadsheets to track all aspects of the CityCenter project.

 

ATM Network Engineer (SAIC Las Vegas, Nevada)                                          April 2007 – October 2007

·         Responsibilities:

Provide onsite and on-call technical support of the Predator Operations in Las Vegas.  Respond to network ATM failures and reroute/repair failed circuits to ensure 24/7 operational flying time. 

 

Worked with various contracting companies and coordinated troubleshooting to locate failures and pinpoint responsible parties.  Install new circuit requirements set forth by lead engineer to expand current network topology.  Provide Systems Administration support when needed.

 

·         Technical Environment:

Cisco 2600, 2800, 2900, 3700, 5000, 6500, 7200 devices.  FASTLANE 75(a), TACLANE E100/Classic/GIG, KIV-7, KIV-19 crypto logic equipment.  Marconi ASX-1000, 200BX.  Firebird 6000 and 8000 testing equipment.  Fiber optic SM and MM SC, ST, MTRJ, Cat 5e, RS-530, RS-449 termination.

 

·         Projects: 

Developed extensive training material and standardized future training material.  Assisted in the installation of the four position MAC and ensured proper operation during first flight.

 

Network Engineer (General Dynamics Stuttgart, Germany)                                      May 2005 – April 2007

·         Responsibilities:

Provide engineering and technical support for the European RSC local area and wide area Cisco network consisting of 500+ users.  Troubleshoot escalated incidents and provide resolution to consistent problems related to network performance and availability.  Provide maintenance and design support for the ERSC multicast network and directly maintain the Cisco IPTV system. 

 

Provide maintenance support for the Tier 0 Fastlane 75a’s through requested field tampering and rebuilding of configurations.  Provide satellite base station support for the DIVNE initiative through dish alignment and maintenance with Ku Band/L Band equipment.  Provide network configuration support and troubleshooting for deployed transit cases either in preparation for deployment or on-call response.  Provide training on Swedish FA-150/IPT equipment for deployable personnel.

 

·         Technical Environment:

Cisco 2600, 2800, 2900, 3700, 5000, 6500, 7200 devices.  FASTLANE 75(a), TACLANE E100/Classic/GIG, KIV-7, KIV-19 crypto logic equipment. Firebird 6000 and 8000 testing equipment. Canoga Perkins and Pairgain modems.  SkyX Mentat and Perebit Network TCP Accelerators.  Swedish FA-150 and IPT Ku Band satellite equipment.  Fiber optic SM and MM SC, ST, MTRJ, Cat 5e, RS-530, RS-449 termination.  Tandberg VTC 1000, 6000, 8000 VTC systems.

 

·         Projects: 

Redesigned the ERSC’s multicast network to align itself with a growing platform by configuring a Sparse-Dense mode based multicast system, which decreased troubleshooting time and decreased mroute tables considerably.  Installed the Cisco IPTV Broadcast Server, Archive Server, and Content Server to support real-time viewing of VTC conferences. 

 

Programmed a VB based Excel Spreadsheet to generate auto configurations for deployed 2940 user access switches which diminished install time, and provided the ability for non-experienced technicians to configure each device.  Designed a $1 million dollar network infrastructure solution for the ERSC’s new building server floor and offices.  Provided a Distributed Director solution to alleviate the problematic failover of Cisco Call Manager’s VoIP Directory.

 

Intelligence Systems Network Administrator (USAF Ramstein AB, Germany)     May 2002 – May 2005

·         Responsibilities: 

Provide residential, on-call, and deployed Wide Area Network support for the United States Air Forces in Europe command.  Maintain local ATM black side LANE network and FASTLANE 75a devices. Maintain FASTLANE 75a’s for the Predator mission. 

 

Test new equipment against all existing configurations and provide feasibility for integration into the Wide Area Network. Perform requested installations and configure equipment to provide connectivity for distant end users.  Maintain and install system servers and applications.

 

·         Technical Environment: 

Cisco 2900, 3550, 5500, 6500 switches. Cisco 2500, 2600, 3700, 7200 routers.  Marconi ASX 200-BX, ASX-1000, ASX-1200 Switches, Timplex CX 1500.  ADC Fibermux Multiplexers, Pairgain Modems, RAD Modems, Canoga Perkins Modems. FASTLANE 75(a), TACLANE E100/Classic, KIV-7, KIV-19, KG-194 crypto logic equipment.  Firebird 6000 testing equipment.  Fiber optic SM and MM SC, ST, MTRJ, Cat 5e, RS-530, RS-449 termination.  Tandberg VTC 1000, 6000, 8000 VTC devices.  IGP routing protocols.  Operating system installation and troubleshooting consisting of Windows 2000 Professional, Windows 2000 Server, Windows 2000 Advanced Server, Solaris 8, Solaris 9.  Server applications consisting of SQL Server, DNS Server, WINS, Active Directory, Citrix, Exchange, Remedy Action Request System ARS, IIS, HP Openview.

 

·         Projects: 

Continuous installation of ATM crypto logic devices and supporting ATM network.  Pinpointed the failure point for the Predator feed and ended the extensive amount of downtime by injecting a Timeplex-CX into the path and attaching a FireBird 6000 to generate cells when a cell injector was not available. 

 

Over hauled a 200 PC network infrastructure and relined fiber optics with termination.  Installed VTC Tandberg devices to numerous locations and configured supporting network devices.  Programmed custom web based application with SQL Database and PHP to track circuit outages and layout.  Integrated web based application with HP Openview to track exact up times and down times.

Visual Basic Programmer (Equifax Payment Processing St Petersburg, Florida)        Mar 1999 – Apr 2000

·         Responsibilities: 

Design, program, and implement departmental applications to help rid paper trails and increase efficiency of Equifax Corporation.  Meet with managers and department leads to ensure design and implementation either meets or exceeds their needs.  Manage coding and ensure proper documentation.

 

·         Technical Environment: 

Microsoft SQL Server, Microsoft Visual Basic, Microsoft Access Database, WIN32 API, DAO, and X86 Assembly Language.

 

·         Projects: 

Programmed individual Assembly Language DLLs to retrieve stored memory locations from existing Customer Service Delphi application and passed parameters to overlapping Customer Service Reference application.  Programmed self-standing Customer Service Reference application to rid manuals and ensure consistent information, approximately 20,000 lines coded.  Developed VBS script based macros to interface with existing COBOL application, approximately 8,000 lines coded.

Systems Technician (Nova Research and Engineering Largo, Florida)                        June 1998 – Feb 1999

·         Responsibilities: 

Build and troubleshoot custom PCs for local customer base.  Assist special projects and cable required segments.  Manufacture desired ISA cards per client request from blueprint.  Fix automated solder points and replace any failed components.

 

·         Technical Environment: 

Industry standard components – resistors, capacitors, and logic.  Soldering and De-Soldering of components.  Standard PC components.

 

·         Projects: 

Assisted in the production of an acid treatment basin for a medical research team in Europe by providing cabling to specifications.  Unit assisted in producing metallic stents for repairing aorta blood vessels.