System Administrator

SAIC is currently seeking a motivated and experienced System Administrator to join our team at the Pentagon in Arlington, VA.

Shift Schedule: Monday–Friday, 6:00 AM to 6:00 PM core hours with occasional after ‑ hours onsite work to support a NIPR and SIPR environment.

Responsibilities:

- Manage currently supported and subsequent Windows Server Operating Systems on virtual operating environments, providing technical oversight and consultation services.

- Perform complex system administration and security engineering efforts, STIG remediation, advanced GPO implementation and system upgrades.

- Research and resolve performance, capacity, and other server ‑ related issues.

- Provide mentorship and guidance to junior systems administrators and other IT staff.

- Improve efficiencies by documenting and standardizing support processes while capturing and developing best practices.

- Provide support for the escalation and communication of statuses to leadership to include the government customer.

- Maintain and update Server STIG (Security Technical Implementation Guide) requirements to comply with DISA standards.

- Ability to remain flexible and adapt to changing priorities with efficiency.

- Adhere to change management guidelines by writing Change Requests and seeking the necessary approvals.

- Support operational transition of enterprise solutions into production.

Required Qualifications:

- Bachelors and two (2) years or more experience or Masters and 0 years related experience.
- Active DoD Top Secret clearance
- Active DoD 8570.01 ‑ M/8140 IAT Level II certification (e.g., Security+ CE, CySA+, etc.) is required prior to start
- Expert-level knowledge of Microsoft Windows Server, Active Directory Domain Services (AD DS), Domain Name System (DNS), and Group Policy (GP) management.
- Experience implementing and managing Active Directory Certificate Services (AD CS) to support a large-scale Public Key Infrastructure (PKI).
- Strong understanding of authentication mechanisms (Kerberos, LDAP, NTLM) and experience with advanced troubleshooting.
- Experience implementing Public Key Infrastructure (PKI) with Active Directory.
- Knowledge of Security Assertion Markup Language (SAML).
- Excellent analytical skills and a proven track record in developing and implementing innovative solutions to complex problems.
- Experience working in a multi-tenant or large enterprise server environment.
- Skilled in scripting and automation using PowerShell to improve and standardize system management.

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