Senior Systems Engineer/infrastructure Architect Resume
SUMMARY
- 16 years of professional experience IT experience to with a focus in Engineering, Integration, Configuration Management and Automation
- Knowledge and in depth understanding of full life cycle software development projects
- In depth knowledge of Linux and Windows architectures, administration and engineering.
- Experienced PKI engineering with various Identity management and 2 - factor authentication solution deployments; Probaris, IAS, Centrify, Putty-CAC. Provides technical direction for development, design and systems integration of various COTS/GOTs applications.
PROFESSIONAL EXPERIENCE
Confidential
Senior Systems Engineer/Infrastructure Architect
Responsibilities:
- Provided infrastructure engineering and management to identity and authentication internal systems including; ProBell, Probaris ID, PIV-I Card, as well as managed authorized certificate authority systems for DOD ECA, GSA ACES, TWIC, FiXs, and the GSA Shared Service Provider program.
- Installed, configured, deployed, and maintained various LAMP stacks and provisioned vm’s in a mixed Solaris/Linux and Windows PKI environment, hosted on Citrix XenServer and Vmware ESXi 6.0 farms in an integrated Active Directory/Kerberos authentication scheme. Implemented configuration management, automation, patch management, backups, and disaster recovery using; Puppet, Spacewalk, Ansible, Bacula, shell scripts.
- Managed various projects to include Centrify deployment, CRL to OCSP Responder solution design and migration, Axway Validation Authority Suite configuration, deployment, and maintenance, and certificate based authentication implementation to internally hosted middleware.
Confidential
Linux Solution Architect
Responsibilities:
- Maintained and streamlined enterprise Redhat 5/6/7 dev-prod physical and virtual server farm hosting various Geospatial applications (ESRI, Matlab, IDL, ArcGis, Geoserver, PostGis, ESRI), svn repositories, Apache-Tomcat, JBoss middlwares, Drupal and bootstrapped webapps, and integration with Oracle and PostGreSQL databases.
- Developed long-range strategic IT infrastructure capacity planning in selection of hardware, software, tools, and application architecture. Translated business requirements into technical solutions, evaluated application architecture, recommended implementation of business logic and interfaced with executives and stakeholders.
- Created and deployed full disaster recovery strategy and COOP plan, Full CAC Enforcement solution deployment (Centrify, PuttyCAC), patch management and configuration management solutions Redhat Satellite Server, AD/Kerberos integrated authentication, KVM and Hyper-V virtualization, and Azure deployment.
Confidential
Senior Systems Engineer
Responsibilities:
- Responsible for the design and implementation of Confidential enterprise migration strategy from Solaris 9/10 to Linux (RedHat 5/6, CentOs) in support of Confidential application infrastructure. Migration consisted of system identification, sizing and requirements analysis of distributed, multi-tier, clustered, systems running JBOSS, Weblogic, SunOne, Tomcat mid tiers and MySQL and Oracle 10/11g databases (2500+nodes).
- Configured, deployed, and managed, Oracle Exalogic and VMware compute nodes/virtual machines, Solaris zones and containers, ldoms, ILOMs. Experience implementing VMWare and Exalogic v irtual infrastructure environment that consisted of ESXi Server, multiple virtual centers, vMotion, HA, DRS, VCB. Managed Netapp storage presentation in coordination with storage team. Experience configuring, maintaining Active Director with Linux PAM authentication along with and Centrify integration.
- Developed and executed disaster recovery plan for Confidential critical and non-critical VMs and application data.
- Achieved $200k cost reduction in creation and implementation of enterprise network monitoring software and resource consolidation plan.
Confidential
Systems Architect
Responsibilities:
- Lead Systems Engineer/Architect managing enterprise SDLC of MHS applications (Solaris, Windows, RedHat, AIX); creating and translating technical requirements, documentation and design, builds and prototyping, testing methodologies, deployment and sustainment of Service Oriented Architecture based systems within DISA hosted environments. COTS product integration. Familiarity with AHLTA, EAS IV, DMHRSi CCQAS
- Created and prepared multiple DHSS Design Requirement Worksheets (DRW), System Engineering Plan (SEP) ICD9-ICD10 conversion analysis and requirements gathering, HL7 interface analysis, Root Cause Analysis of system outages, coordinated DIT/SIT test scripts, process automation using shell and perl scripts, and conducted various TR/PDR/CDR presentations to executive clients.
- Successfully architected and deployed Oracle upgrade strategies, patches, iavas, and releases. Identity Management solution research (IAS, Centrify) and CAC/PKI/SSO implementation. Involved in various information assurance (ATO/RA/C&A) efforts, and was selected to nine member team that integrated standalone EAS IV system into Business Objects Common Services (multiple healthcare applications) environment that lead to 39.41% reporting time decrease within functional community (received DHSS recognition award as well as Confidential Employee of the Quarter).
Confidential, Reston, VA
Senior Systems Engineer
Responsibilities:
- Manage and maintain Administrative Office of confidential Compaq and Confidential server farm to include, VMware vsphere admin, project management, server builds, troubleshooting, migrations, tuning upgrades, hardening, and patching in a Solaris7-10/Red Hat 5/Windows Server 2003-08 environment.
- Architected and deployed solution that drastically decreased the confidential client downtime by building and deploying in-house hosting of redundant Informix instances and implementing high availability disk and tape backup solution, DB upgrade (Informix 7 to 11), optimized, streamlined, and consolidated database export process, thus enhancing export and backup process by 24%.
- Implemented data center green initiative with RedHat KVM virtualization deployment and administration, utilizing monitoring tools (Nagios), creating disaster recovery and COOP procedures, automating processes with shell and perl scripts incorporating sendmail, and documenting various processes for SOP catalog.
Confidential, Herndon, VA
Systems Engineer
Responsibilities:
- Systems Administrator for central repository archive Air Traffic Control System Command Center data related to the control and flow of all national and international air traffic (20+Terabytes). Parsed, threaded, and archived all data.
- System administration (Windows/Unix) duties in to include; Active Directory (5.2) user management and troubleshooting, intranet and Lab WIKI creation and maintenance, DNS sub domain management, shell scripting, minor Oracle database admin, COTS and proprietary hardware/software support, sql queries, server tuning, patching, and upgrades.
- Backup administration using Veritas Netbackup, ArcServe Backup, EMC/Clariion management in association with configuration and maintenance of various libraries/arrays and web interface software (CAM, Insight Manager), Exabyte Ex80, Quantum PX510, StorEdge Tek 6100 series, Confidential 6100 series.
- Deployed and managed several enterprise systems/tools and application servers; network monitoring inventory management (EM7, Big Brother, BMC), network security, and revision control systems (Sharepoint, CVS, Subversion)
Confidential, Alexandria, VA
Systems Analyst/ Military Traffic Management Command/Surface Deployment Distribution Command
Responsibilities:
- Team provided technical assistance and guidance to over 200 DOD installations running Sun Solaris 6-10. This task included remote LAN/WAN support and troubleshooting, router ACL creation/modification, software and hardware firewall configuration, VPN support, and daily remote troubleshooting of TOPPS servers and WPS systems.
- Provided system performance tuning, storage management, and network troubleshooting expertise in administering standalone and network installations, file system management, backups, process control, user administration, and device management.
- Provided project management expertise coordinated deployment of resolution kits to sites, development of technical requirements, task scheduling, progress reporting, project budgeting.
Confidential, Bethesda, MD
Telemedicine Systems Engineer
Responsibilities:
- Facilitated enterprise-wide Radworks to MedWeb PACS Teledermatology and Teleradiology systems migration that consisted of new product research, identification and analysis, multiple business case analysis, software/hardware compatibility testing, acquisition of software and associated hardware for use aboard Navy fleet vessels, hospitals, and facilities.
- Liaison between the Clinical Staff in Radiology (supporting all levels of users) and the Radiology Technologists aboard the vessels. Ensured accurate and timely transmission of images and data to the appropriate destinations. Participated in modification, development, and improvement the hardware and software for the RIS and PACS.
- Member of four person team responsible for project management (Sharepoint MOSS/WSS,Visio, MS Project) and issue resolution of image transmission (network, desktop, and application) and PACS related issues aboard entire Naval fleet and select shore facilities.
Confidential, Silver Spring, MD
Security Analyst
Responsibilities:
- Performed vulnerability and attack & penetration assessments in Internet, Intranet and Wireless environments.
- Conducted discovery and scanning of ports and services, responded to network and system intrusive activity, analyzed network traffic and concentrator logs to determine corrective action using tools such as netForensics and Snort 2.1-3.
- Created and compiled training materials to include Knowledge Base and current S.O.P documentation Supported VA network with installation, connection, and troubleshooting of Cisco secure VPN and related software; Anti-virus/ePO, Firewall, Dial-up, Citrix, CPRS, and Vista. Utilized Remedy ticketing system to track security events, incidents, and inquiries.
Confidential, Rockville, MD
System Administrator
Responsibilities:
- Provided Active Directory system administration support to evening staff at corporate headquarters. Provided support for Outlook 2000, 2002, and 2003 in an Exchange 2000 environment.
- Administered Veritas back-up jobs, exchanged tapes, and monitored logs on a daily basis. Manage Active Directory user account contact objects, created and archived Exchange 2000 mailboxes
- Imaged and setup laptops and desktops for onsite and remote users.
Confidential, College Park, MD
Technical Analyst/Desktop Support
Responsibilities:
- Responsible for system administration duties via Active Directory to include user account admin, print server, imaging, and DHCP management for lab and user pc's.
- Performed daily software/hardware installs and upgrades in support of several multi-station labs and student/staff pc's with access to various domains. Played integral role in group migration to highly organized helpdesk structure based on ticket tracking system implementation.
Confidential, Chantilly, VA
MicroComputer Specialist/Field Engineer
Responsibilities:
- Supported DNS, DHCP, WINS, Ghost imaging and various application servers in 2000+ node corporate laboratory environment, as well as maintained Windows and Novell 4.11-5 user accounts.
- Provided local server admin and desktop support in corporate and laboratory testing environment for various software (Tandem, StockClerk, PeopleSoft 8, Oracle 8i, McAfee solution (ePO)) and associated hardware.
- Promoted to Field Engineer responsible for daily configurations, installations, and support of DSL routers, modems, Torol Thin Client systems, as well as collaborated with sales reps to provide organized training sessions.
Confidential, Bethesda, MD
Technical Analyst (Corporate LAN Support Services)
Responsibilities:
- Resolved tier II Siebel tickets to include network printer setups, file restores/backups, IP address conflicts/statics using DHCP Manager, Server Manager, and other network tools in a migrated Win 98 to 2k environment.
- Coordinated with various groups and vendors to develop and implement network projects (Ikon-Ricoh, Marriott Credit Union) and provided on call/site troubleshooting to ensure projects met time, budget, and specification requirements.
- Network diagnostics and troubleshooting along with server side hardware and software installation and configuration, routing, and subnetting in preparation for temp and perm network setups.
