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).
• 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.
• Conducts 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.
• Performs troubleshooting of end user problems and responds to user requests.
• 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.
• Certification in relevant areas (e.g., CompTIA Security+, CISSP, etc.).
• Expert understanding of networking protocols.

Special Requirements/Security Clearance

• Active DoD Secret Clearance.

Pay

Salary Range: $75,000 - $120,000 annually. The annual base salary provided is a guideline for this position and is not a guarantee of compensation or salary. When extending an offer, By Light also considers other variables such as (but not limited to) work experience, education, training, skill set, internal peer equity, clearance level, and market conditions.