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SAIC · 1 day ago

Senior System Administrator

Arlington, VA

Full-time

Onsite

Senior Level

5+ years exp

SAIC is seeking a motivated and experienced System Administrator to join our team at the Pentagon in Arlington, VA. This position involves managing Windows Server Operating Systems, performing system administration and security engineering, and providing mentorship to junior staff.

Information TechnologySecurityService IndustrySoftware

Work & Life Balance

No H1B

Security Clearance Required

U.S. Citizen Only

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

Qualification

Microsoft Windows ServerActive Directory Domain ServicesGroup Policy managementPublic Key InfrastructurePowerShell scriptingAnalytical skillsSecurity Assertion Markup LanguageAuthentication mechanismsDoD 8570.01-M certificationRelevant Computing Environment Certificate

Required

Bachelors degree and five (5) years or more of experience or Masters and three (3) or more years of related experience

Active DOD Top Secret clearance; ability to obtain a TS/SCI

US citizenship

Active DoD 8570.01-M/8140 IAT Level II certification (e.g., Security+ CE, CySA+, etc.)

Relevant Computing Environment Certificate

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