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Karen Melek

Karen Melek

Infrastructure & Identity Systems Administrator

Arlington, ArlingtonMember since September 12, 2025
Active DirectoryOktaaccount lifecycleconfigurationdeploymentMicrosoft 365MerakiAVDCISANetMOEServiceNowThousandEyesAppDynamicsperformance monitoringData center/closet walkthroughsDebuggingtestingtechnical documentation
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About

Systems administrator and operations specialist supporting mission-critical infrastructure across identity and access management, data center operations, enterprise printer infrastructure, CMDB/CI compliance, and cross-team IT operations. Strong foundation in Windows administration, networking/VPN support, Azure, VMware, and user support, with a track record of resolving issues quickly and accurately.

Experience

Infrastructure & Identity Systems Administrator - Federal Energy Regulatory Commission (Core IT) — Contractor - Virginia

(2025-11)

  • Perform daily data center/closet walkthroughs and document HVAC, UPS alarms, temperature, smoke/water, and rack error conditions.
  • Remediate CI discrepancies to improve CMDB data quality and collaborate in bi-weekly review sessions.
  • Process ServiceNow account creation/disablement and naming validation; perform VIP authentication resets.
  • Support an enterprise Xerox fleet of ~160+ devices through configuration, cloning, firmware/software updates, troubleshooting, tagging, and labeling.
  • Provide cross-team support with Networking, Active Directory, Storage, and VOIP teams while aligning work with CAB guidance.
  • Troubleshoot endpoint and browser compatibility issues, including Edge IE mode versus Chrome.

Senior T3 Service Desk Analyst - CACI – CISA - Arlington, VA

(2025-08 - 2025-11)

  • Supervised 8–12 Service Desk analysts supporting 8,000+ users while maintaining a personal ticket workload.
  • Delivered weekly call and ticket evaluations to improve quality and resolution speed.
  • Monitored performance using ThousandEyes, AVD, Meraki, and AppDynamics.
  • Managed user access through Okta while enforcing SSO/MFA policies.

T2 Service Desk Analyst - CACI – CISA - Arlington, VA

(2025-03 - 2025-09)

  • Supported MOE, CISANet, and LAN-A in a 24/7 mission environment with proactive monitoring.
  • Managed Azure and Active Directory accounts and configurations.
  • Provided Tier 2 troubleshooting for network/VPN, mobile devices, account lifecycle, and Microsoft 365.

IT Support Specialist - Teleperformance

(2023-06 - 2025-03)

  • Provided real-time inbound technical support with consistent user engagement.
  • Performed front-end and back-end diagnostics for hardware, software, account, and network issues.
  • Managed accounts, software installations, system configurations, and network setup.
  • Authored technical guides, supported upgrades, and monitored performance and security signals.

Software Development Support Intern - NextGen Federal Systems

(2023-06 - 2024-04)

  • Assisted with coding, testing, debugging, and validation.
  • Collaborated with teams to identify, reproduce, and resolve code issues.
  • Created and maintained technical documentation and supported deployments, version control, and performance monitoring.

IT System Administrator - Metro Steel Inc.

(2018-05 - 2023-06)

  • Delivered desk-side support to maintain operational continuity.
  • Installed, configured, and maintained applications and operating systems.
  • Performed computer imaging, setup, and deployment preparation.
  • Managed user accounts and permissions and troubleshot connectivity, device failures, and access issues.

Tutor - Self Employed

(2014-02 - 2023-08)

  • Provided individualized tutoring in core subjects including Math, English, Science, and Social Studies for students in grades K–9.
  • Delivered engaging lessons in beginner to intermediate computer skills, including typing, Microsoft Office, Google Workspace, and online research.
  • Created customized lesson plans aligned with school curriculum and student goals.

Education

Bachelor of Science - Computer Science - Virginia Commonwealth University

Associate of Science - Computer Science - Northern Virginia Community College

Skills

Infrastructure & Identity Systems Administrator

Reviews

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