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Senior System Administrator III

2 months ago

Columbia, Maryland, United States Dezign Concepts LLC Full time
Job Summary

We are seeking a highly skilled Senior System Administrator III to join our team at Dezign Concepts LLC. As a key member of our IT department, you will be responsible for analyzing and resolving complex problems associated with server hardware, applications, and software integration.

Key Responsibilities
  • Provide support for customer networks involving cross-domain solutions, including VPNs, one-way data transfers, unclassified mission-related infrastructures, and Taclane 175 encryption devices.
  • Configure and troubleshoot Cisco catalyst switches (Spanning Tree, Port Security, VTP, Ether channels, VLANs); Cisco ASR routers (including HSRP, OSPF, BGP, route-map); and Cisco ASA firewalls.
  • Troubleshoot various DNS, SMTP, IP routing, latency, and connectivity issues; implement TCP/IP & related services-DHCP/DNS.
  • Install/Upgrade Cisco Switches and Firewalls (ASA) IOS using TFTP; maintain all LAN/WAN connectivity.
  • Document network problems and resolution for future reference; oversee software and network security.
Requirements
  • Citizenship: Must be a US Citizen.
  • Existing Clearance Required: Active Top-Secret SCI with Poly.
  • Fifteen (15) years experience as a SA in programs and contracts of similar scope, type, and complexity is required.
  • Bachelor's degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor's degree.
  • Provide support for implementation, troubleshooting, and maintenance of IT systems.
  • Provide Tier 1 (Help Desk) problem identification, diagnosis, and resolution of problems.
  • Manage the daily activities of configuration and operation of IT systems.
  • Provide assistance to users in accessing and using IT systems.
  • Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution of problems.
  • Provide support to IT systems including day-to-day operations, monitoring, and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
  • Provide support for the escalation and communication of status to agency management and internal customers.
  • Optimize system operations and resource utilization, and perform system capacity analysis and planning.
  • Provide in-depth experience in trouble-shooting IT systems.
  • Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
  • Provide support for the dispatch system and hardware problems and remains involved in the resolution process.
  • Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of, and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
  • Support the design of systems, mission architecture, and associated hardware.
  • Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA).
  • Analyze and resolve complex problems associated with server hardware, applications, and software integration.
Benefits
  • 100% Medical & Fixed costs for Dental, Vision & Short-Term Disability.
  • 4 Weeks PTO & 11 Paid Holidays.
  • 401K Up to 5% Matching & $5K Training / Certification Reimbursement.