System Administrator Level II

LinTech Global•Fort Belvoir, VA

1d•Onsite

About The Position

Dexian Government Solutions is recruiting for a System Administrator II to support our contract at the Defense Health Agency (DHA) GSP TO7 onsite at ATAMMC in Fort Belvoir, VA. The System Administrator II provides foundational system administration support including server management, Active Directory administration, backup operations, and STIG compliance in support of ATAMMC operations. Contract Support Hours: Monday-Friday, 0600-1800.

Requirements

Four (4) years of progressive experience demonstrating proficiency in system administration.
Experience deploying and sustaining enterprise server operating systems including Microsoft Windows Server, Linux, and VMware.
Experience managing Microsoft Active Directory in enterprise environments.
Experience with backup/recovery operations, performance monitoring, and capacity analysis.
Experience with DISA STIG compliance in DoD IT environments.
DoD Cyber Workforce Framework (DCWF) proficiency level: Intermediate.
Cyber Role Designation: 451 - System Administrator - Intermediate.
High School Diploma or G.E.D. from an accredited institution or equivalent years of experience.
A Tier 3 (T3) Background Investigation required.
All personnel must obtain favorable suitability adjudication prior to commencement of duties.
An IAT II certification is required prior to performing contract tasks (DoD 8570.01-M).
CompTIA Security+ce, CompTIA CySA+ce.

Responsibilities

Provide system administration and technical support for Government Off-The-Shelf (GOTS) and Commercial Off-The-Shelf (COTS) hardware, software, and applications, including servers and reporting tools.
Manage all operational tasks, including backup/recovery, performance tuning, software/firmware upgrades, technology refreshes, and maintenance of policies and procedures.
Install, configure, maintain, and optimize server operating systems (e.g., Microsoft, Linux, and VMware).
Sustain Microsoft Active Directory, including object creation and maintenance.
Perform Root Cause Analysis to identify, document, and resolve problems as directed.
Administer data center programs, including site assessments, preventive maintenance, emergency and corrective services, power and cooling analysis, risk assessments, and optimization evaluations.
Apply, document, and gain approval for application Security Technical Implementation Guides (STIGs).
Participate in On-Call/Call-Back rotation for Engineering Services.