* An enthusiastic and dependable individual who excels in challenging and competitive environments * Acknowledged for meeting company goals while maintaining excellent client relationships * Excellent Hardware/Software troubleshooting skills * Accustomed to working with executive and senior level management * Over twenty years technical experience * Experience working with vendors outside the company to obtain goods and services * Proven skills in leadership, communication, and problem solving * Demonstrated ability to analyze, evaluate, and incorporate changes * Adept at establishing trust and credibility with the public System Center 2012 Architect - Design, Implementation, Configuration and Training of System Center 2012 Operations Manager (SCOM) (R2) and System Center Configuration Manager (SCCM) (R2) - Using Windows 2008/2012 and SQL 2008/2012/2014/Azure (Virtual and Physical environments) Microsoft Operations Manager (SCOM) 2005/2007/2012/2012 R2, SiteScope, LogLogic and ProactiveNet monitoring platform infrastructure setup and support - Engineering, migration and support of enterprise level monitoring solutions eCommerce Web Operations Engineering - Building, deploying, monitoring and supporting web based eCommerce applications running on Windows IIS, Java and Apache web platforms (Tier 2/3) Career Highlights • Successfully managed system build out, applications deployment and testing for an Enterprise Datacenter Migration datacenter build out (including writing command line scripts to build all service groups, virtual servers, monitoring, content switching and failover policies from the ground up) • Implemented policies and procedures for production changes, incident management and engagement driving outages/site/customer impacting issues to a 10 year low • Streamlined the deployment process between change management, security, development and devops to strengthen the testing, security, stability and validation of code prior to production deployment

DevOps Engineer - Level 2 Technology Group - Linux Engineer @ Application Operations Engineer works as part of a team responsible for end-to-end technical support of complex web based applications. Work as a trouble-shooting expert supporting operating systems, applications, performance monitoring and middleware stacks. With an understanding of programming object oriented programming techniques. Interfaces with Enterprise Engineering, Software Delivery and Testing teams in a Dev-Ops environment. * Recognized as a subject matter expert on Windows/Linux OS and proficient with including OS performance monitoring, tuning, debugging and troubleshooting. * Acts as a liaison and manages the Dev-Ops process with project delivery teams. * Part of 24x7x365 on-call rotation * Able to interpret error messages from OS, Middleware stacks, Performance Management tools and applications to identify root cause and to restore service * Demonstrated the ability to independently triage highly complex system and application incidents * Evaluate new application requirements for operations best practices * Evaluate new system and/or infrastructure solutions for technical feasibility against known requirements and standards * Able to transition in role or handle a significant modification to workflow or technology with minimal ramp-up time and with very little guidance. * Comfortable presenting issues to management as well as peers, both written and verbally in a concise fashion. * Able to receive feedback in a constructive manner and consistently apply it to tasks. * Able to create system and production documentation, adhering to organization standards. * Experienced with Performance Management/Monitoring Tools - Interscope, AppDynamics and Sitscope * Proven experience debugging and troubleshooting java code * Expert with load balancers - F5, Citrix, Cisco, Barracuda * Understanding of a middleware stack - Oracle, Microsoft, Rails From October 2015 to Present (3 months) Lead DevOps (Web Operations and DevOps) @ Carnival Corporation Global Information Services – Web Operations/DevOps Management of the team on a day-to-day basis an assigning resources for code deployments and projects. Drove projects for site performance, stability, monitoring to help increase conversion rates as well as reducing bounce rates of our site visitors. • Vendor relations management with various companies – eg. Keynote, Akamai, Soasta, Yotta, and many more • Subject Mater Expert for external tools such as Keynote, Akamai (cache configuration, global traffic management, site shield and more), mPulse (Soasta) and many more • Documentation Manager – Manage all of the documentation for Carnival Corporate and Holland America DevOps teams • Served as technical escalation point for critical production issues and drive escalation/resolution of problems into Application Development and Engineering teams • Drove requirement for automation/tooling needs as well as other cross-functional business priorities including helping define, develop and maintain monitoring tools and automation systems within the team • Collaborate with engineering and other operations teams on ongoing technical initiatives within Carnival.com, Hollandamerica.com, PrincessCruiseLines.com and Fathom.org • Drove requirements to consolidate the DevOps teams by cross training across various infrastructure platforms (Windows/Linux/Unix) From August 2014 to October 2015 (1 year 3 months) Engineer @ Microsoft Corporation Global Foundation Services/Online Services Division (Bing/BingAds) Perform auditing of Monitoring, Alerting and System/Application metric data collection and correlation through System Center Operations Manager 2012 for hundreds of thousands of production Windows servers spanning datacenters across the globe. • Support hundreds of thousands of production Windows servers that make up the Bing & Ad Center environment • Capacity planning & analysis through metric collection through System Center Operations Manager 2012 • Work closely with our SOC/NOC to detect, prioritize and resolve incidents • Identify and document common recovery procedures for service impacting incidents • Establish and follow a ROB (Rhythm of Business) to ensure that all break / fix issues are resolved in a timely manner or escalated to the appropriate group • Develop, communicate and drive Service Improvement Plans to maintain an environment of continuous improvement with a focus on rapid growth, world class quality, and cost efficacy • Provide team feedback and drive improvements with current tools and process; drive initiatives to the appropriate group for either design and implementation or business risk assessment • Drive operational aspects of incident management, ensuring SLA’s for time, quality, and customer satisfaction are met in for our global infrastructure. • Demonstrated strategic thinking, quantitative and analytical skills, team leadership, and collaboration • Excellent problem resolution, judgment, negotiating and decision making skills From July 2012 to August 2014 (2 years 2 months) Tier 3 Systems Engineer - CX Application Engineering @ • Engineering and operationally supporting new and current customer facing production applications, systems, and supporting infrastructure. • Systems analysis, such as capacity review, support management, application level monitoring, documentation, and improvement analysis for new and existing production systems. • Provide extensive troubleshooting, proactively identifying issues and driving them to resolution, as well as accepting escalations for issue resolution, to deter and halt impacts on service delivery. • Work with software development and 3rd party teams to drive projects into production, implementing and applying engineering and operational best practices. • Utilizing engineering and operational support expertise to set and improve existing standards and processes for application and systems administration. • Maintain, Design and Verify all Akamai work (GTM, Kona, Dynamic Page Caching, Net Storage & more). • Engineering owner of SiteSpect systems, implementation, troubleshooting/configuration management. • Citrix NetScaler Management: Creation and Management of load balancer for internal/external load balancing. • Sr. Engineer for Expedia eCommerce Mobile Web and Mobile Applications platforms. • ads Double Click - Dart Enterprise Engine 7.5 engineer and system owner. • Expert with Microsoft Operating systems Windows 2003/2008 at Enterprise level Engineering/Administration. • Remote management of systems and applications. • Experienced with Apache Tomcat and IIS, JVM and Java. • Expertise in monitoring enterprise level environments (SCOM 2007). From June 2011 to July 2012 (1 year 2 months) Tier 3 Systems Engineer - Hotel Lodging Operations @ • Remote management of systems and applications. • Strong Expertise in a web applications environment. • Expertise in design, implementation, and support of enterprise level transactional E-Commerce systems. • Expertise in Internet Information Services 6/7. • Expert with System Center Operations Manager 2007 (RTM to CU3), deployment, management and reporting in an enterprise environment. • Expert with Caplan to perform analysis of system metrics for Capacity Planning (metric correlation/reporting). • Experience with SPLUNK for event log analysis, reporting and alerting. • Experience with Apache Tomcat on Win32/64. • Experience with Linux (Red Hat Enterprise, Oracle Enterprise and Solaris in an enterprise environment). • Expertise in performance tuning of web applications using IIS/Tomcat on Windows based systems. • Expertise in monitoring web applications and systems in a web applications environment. • Proven expertise with the following scripting languages; VBS, PERL, ASP, ASP.NET, PowerShell and SQL • Solid understanding of security fundamentals as they pertain to application systems, such as SSL, JKS, and Domain Security. • Strong interpersonal, presentation and customer service skills. • Strong organizational skills, with a proven track record of managing and/or facilitating work across multiple functional teams • Proven support documentation skills. From August 2010 to June 2011 (11 months) Tier 3 Unix Support Systems Engineer (WebLogic) @ • Tier 3 Engineer for T-Mobile Web2Go Portal Platform • Designed, deployed, maintained and supported over 130 UNIX/Linux servers including Proxy, Database (Oracle) and WebLogic Web Application Servers in a production and lab environment • Maintained and managed Oracle Streams for Database replication across multiple data centers • Helped the monitoring team design and deploy HP Open View to monitor the platform and environment • Calculated alarm thresholds based on load tests and trending reports • Performed Load Testing with Grinder • Performed code deployments of Java applications through WebLogic, command line and shell scripts. • Determined the impact of operational issues and performed detailed root cause analysis • Conducted self-directed investigations into data irregularities, and proactively identify and resolve potential system problems • Insured the stability of the operational systems as well as maintain the integrity of the data they contain • Identified sources and trends of technical problems to prevent future occurrences • Served as an escalation point for difficult problems and complex inquiries. Acted as a peer group leader to and helped train staff • Provided 24 X7 support as part of an on-call rotation From February 2010 to August 2010 (7 months) Tier 3 Retail Applications Analyst @ • Planned for supporting both applications functionality and capacity requirements in a rapidly growing, changing and complex environment • Insured the stability of the operational systems as well as maintain the integrity of the data they contain • Assisted in determining the impact of operational issues and provide input into their resolution via data extraction and quantification • Coordinated and prioritized all escalated activities, including testing, project management and implementation of system upgrades, enhancements, and bug fixes • Proactively reviewed infrastructure changes and assessed the risks • Conducted self-directed investigations into data irregularities, and proactively identify and resolve potential system problems • Identified sources and trends of technical problems to prevent future occurrences • Served as an escalation point for difficult problems and complex inquiries. Acted as a peer group leader to and helped train staff • Took ownership of the issues, through root cause analysis and issue resolution • Developed solid relationships with infrastructure/operational teams and leveraged the relationships to improve system stability and availability • Provided 24 X7 support as part of an on-call rotation • Developed strong experience working with Oracle on Unix using command line and GUI SQL tools • Developed a strong understanding of Oracle/Web Logic system administration • Worked as the lead Application Support Analyst for WebLogic application datacenter migration project • Troubleshoot and resolve applications issues escalated to our team from Tier 1/Tier 2 on a daily basis • Perform capacity planning analysis for future growth impacts of our WebLogic servers • Worked as the lead for new WebLogic application deployment and capacity planning installing and supporting new WebLogic servers From April 2009 to February 2010 (11 months) Global Data Center Operations eCommerce Applications Support Tier 3 @ • Developed and demonstrated detailed, proactive operations ownership for supported systems, including configurations, monitoring and documentation • Worked closely with Information Technology and Product Development counterparts on requirements, solution design, issue identification and resolution, problem solving and planning related to production issues and software releases • Identified security and performance issues at multiple layers of deployment, from hardware, operating environment, network and application • Provided feedback and guidance to product development teams on adherence to policies, standards, and operational best practices • Evaluated performance trends and expected changes in demand and capacity • Established key monitors to insure performance SLAs are met by analyzing, interpreting and summarizing performance data and metrics • Provided technical expertise in identifying issues that impact service delivery • Proactively identified top performance bottlenecks and work with cross-functional teams to bring rapid, effective resolution • Developed and maintained internal documentation • Recommend and maintained technology related policies and procedures From August 2008 to April 2009 (9 months) Tier 2 AdCenter Systems Analyst @ Volt Technical Services (Contract) AdCenter Operations Manager 2007 Sr. Systems Engineer/Unified Monitoring Platform February 2008 – August 2008 • Configured, deployed and maintained an Operations Manager 2007 (SP0 and SP1) environment for production monitoring of over 10,000 servers • Configured clusters specifically for deployment of Operations Manager 2007 in a fully clustered environment (RMS and MS SQL Database Clusters) • Deployed multiple environments for dedicated monitoring of specialized applications • Worked with the Operations Manager 2007 development teams for case study work on the enterprise scalability of the product • Submitted multiple feature requests and bugs for the Operations Manager 2007 SP0 and SP1 versions as well as many documentation corrections • Developed a close relationship with EMC Vendors for SMARTS Operations Manager connectors and tie-ins for systems integration • Developed training documentation for cross training of Tier 1, 2 and 3 teams in the use of Operations Manager 2007 Operations Management Console to manage alerts and maintain healthy system states • Performed training of Tier 1, Tier 2 and Tier 3 teams in the use of Operations Manager 2007 Operations Management Console to manage alerts and maintain healthy system states • Hardware Allocation – Quality checked, patched and distributed thousands of Windows servers to teams and groups on a per project basis • Windows server patching – Performed regular patching of server pool hardware as well as production and development systems • Installed, configured and distributed SAN space for servers on a per project basis (0.5 – 30TB allocations) • Installed, maintained & configured IIS6, SQL Server 2005 Enterprise and other server components/applications • Configured Windows Clustering for SQL 2005 Servers (Active/Passive, Active/Active/Passive, etc.) • Maintained accurate Asset Management information for server allocation accuracy From November 2007 to August 2008 (10 months) NOC Operator @ • Work as a team member in a 24 x7 x 365 environment to assist in the implementation and support of systems in an Operations Center • Maintain Windows/Linux Servers in a Development and Production environment in both Full Server and Virtual Server installation environments (VMWare) • Communicate with management and executive level support for high visibility/revenue impacting issues • Maintain documentation on existing processes as well as writing and evaluating current documentation • Monitor and support a global environment across multiple datacenters and server operating systems • Support and maintain enterprise level eCommerce Web Application Systems • Support an Enterprise Environment of Clustered (Microsoft) and Load Balanced systems From June 2007 to November 2007 (6 months) Operations Lead @ • Work as a team lead in a 24 x7 x 365 environment to assist in the implementation and support of systems in an Operations Center • Communicate with management and executive level support for high visibility/revenue impacting issues • Responsible for engaging /following to resolution outage, publically visible & customer impacting issues • Monitor and support over 100,000 servers/network devices located in multiple data centers globally • Support an Enterprise Environment of Clustered (Microsoft) and Load Balanced systems From February 2007 to June 2007 (5 months) Server Operations Specialist @ • Work as a team member in a 24 x7 x 365 environment to assist in the implementation and support of systems in an Operations Center • Deploying, testing and troubleshooting SiteScope monitoring system enterprise wide (versions 7.x/8.x) • Evaluating and implementing incident management processes to improve issue resolution at the SOC with no intervention from Tier 2 • Spearheaded Standard Operating Procedure documentation initiative • Created, deployed and managed the SiteScope Aggregator tool • Assisted with the initial HP OpenView monitoring system deployment into a mixed OS server environment (Windows, Solaris UNIX, HP-UX and Linux) • Spearheaded operations integration of international properties to conform to the company standard operating procedures • Supporting an Enterprise Environment of Clustered (Microsoft) and Load Balanced systems From April 2006 to February 2007 (11 months) Server Operations Center Analyst/Floor Lead @ • Work as a team lead in a 24 x7 x 365 environment to assist in the implementation and support of systems in an Operations Center • Track problems according to standards and refer to the next level of support if appropriate • Participate in the analysis and evaluation of computer systems • Follow standard practices/procedures in analyzing situations or data to determine responses • Support an Enterprise Environment of Clustered (Microsoft) and Load Balanced systems From June 2005 to April 2006 (11 months) CalcEngine Developer @ * Learn and understand customers (companies) Pension Benefits Plan * Became the Subject Matter Expert for the client teams in support of the Pension Benefits * Develop Actuarial Calculations and formulas in order to formulate participant’s benefits * Convert created actuarial calculations into MS Excel Formulas to be coded into a custom application (CalcBuilder) * Test Calculations by performing hand calculations and comparing the results to CalcEngine output * Support the call center by verifying calculations for participants that call in with benefit issues From January 2004 to June 2004 (6 months) Field Computing Services Analyst @ (Contract position with Airborne Express to assist in conversion and support during DHL acquisition) * Provide Global Support Services to all field offices * Image/Configure and Deploy computer systems to all global field offices * Maintain Inventory Database to ensure accurate Asset tracking * Configure, test and deploy specialized servers for shipping centers (Orion Systems) * Provided remote support using pcANYWHERE and Tight VNC From October 2003 to November 2003 (2 months) National Billing and Roaming: Mediation Billing Analyst @ * Member of Process Improvement team responsible for saving the company over $3.8million a month * Provided 24x7 Cross Functional Application support for TDMA/GSM/GPRS production billing environment * Supported over 165 TDMA/GSM/GPRS UNIX Switches * Central escalation point for all Nortel GSM Switch issues supporting 26 UNIX Switches * Performed call testing for GSM Mediation/Billing patch validation and new product implementation * Analyze data for End-To-End accuracy and completion * Maintained TDMA/GSM/GPRS Oracle databases by performing data entry and routine data integrity checks * Recycled switch records in the error pool database for TDMA/GSM switch records using SQL queries * Perform data validation, call testing and integrity checks post patch installation and switch software upgrades for over 165 TDMA/GSM/GPRS UNIX switches * Supported Development team by validating data in a testing environment for new code validation and implementation * Responsible for documenting GSM Billing Process Flow to help train new employees From August 2000 to March 2003 (2 years 8 months)

Dennis Christilaw is skilled in: Enterprise Architecture, IT Operations, Windows Server, Red Hat Linux, Information Security, Citrix, Enterprise Software, Data Center, VMware, Security, System Deployment, Integration, Active Directory, Linux, Troubleshooting