Sr. System Administrator (Western Range)

Responsibilities

• Designs and implements Windows and Linux server and workstation technologies in response to changing customer needs.
• Implements enterprise-level services across Windows/Linux/VMWare systems, including but not limited to: Domain Services, SYSLOG, DHCP, AAA Services, WEF, SNMP, NTP, Automated Patching 1x & 802.1x, MAB, Inter-relation of DNS services across disparate authoritative zones, VMWare ESXi, vCenter, Horizon services - provisioning, system redundancy, performance, etc.
• Automates system data processing according to overarching data management policies (e.g., archival/removal via triggered and/or scheduled event).
• Periodically generates scripts (bash/sh/CMD/Python/PowerShell/etc.) in support of specific use cases.
• Identifies and resolves system faults including but not limited to: Domain controller replication faults, SQL database access faults, indexing faults, etc.
• WSUS processing faults, NPS VSA-to-Device faults, NPS AAA lookup faults / policy mapping faults / template faults, d/systemd processing faults.
• Hardsens systems as appropriate, balancing customer Availability/Integrity/Confidentiality needs.
• Resolves IAVA/STIG findings as appropriate, providing proper documentation and/or justification to A&A personnel.
• Counsels site surveys to determine feasibility of equipment installations (e.g., telecommunications, electrical, temperature/humidity, cleanliness, space/weight, maintainability, logistical support).
• Maintains overall system health and advises on the need for potential upgrades or reconfigurations.
• Provides on-site technical and operational support in the installation and operation of any/all telecommunications equipment.
• Periodically reviews SIEM alerts as they relate to overall system status.
• Responds to user requests and troubleshoots end user problems.
• Mentors other IT personnel as needed.

Requirements

• Bachelor's Degree or equivalent experience.
• Must meet DoD 8570 IAT II requirements.
• Proven shell-scripting experience.
• Expert understanding of Windows and/or Linux server technologies.
• Competency with virtualization technologies.
• Expert understanding of networking protocols.

Special Requirements/Security Clearance

• Active DoD Secret Clearance.

Pay

• Salary Range: $75,000 - $120,000 annually.