System Administrator - Directory Services

System Administrator - Directory Services Peraton United States, Arizona, Fort Huachuca May 12, 2026 System Administrator - Directory Services Job Locations US-AZ-Fort Huachuca Requisition

ID 2026-164080

Position Category Information Technology Clearance Secret Responsibilities This position is responsible for administering, developing, testing, implementing, and maintaining operating systems and related software, with a specialized focus on the organization's Directory Services and Public Key Infrastructure (PKI). The Systems Administrator will establish and implement standards for computer operations, ensure compatibility between hardware and software, and provide high-level technical support. The role involves managing the full lifecycle of system administration, from initial design and requirements gathering to implementation, security hardening, and post-project support.

Key Responsibilities General System Administration:

Schedule, perform, and monitor system backups and execute data recoveries when necessary. Troubleshoot and resolve complex software, operating system, and networking problems. Recommend and perform hardware and software upgrades based on growth statistics and forecasts, including coordinating the transition from test to production environments. Configure hardware such as workstations, printers, servers, and tape devices. Schedule tasks using software support tools and scripts and provide technical support for system users.

Directory Services & Security:

Manage the Active Directory (AD) forest schema, including any extensions required for applications and third-party tools. Establish AD Sites, Site Links, and subnet addressing; configure replication intervals and scheduling. Build, install, configure, and maintain Domain Controllers (DCs) and Domain Name Services (DNS) within Active Directory. Implement security hardening via vendor-specific patching, group policies, registry edits, and scripted actions. Conduct Security Technical Implementation Guide (STIG) checks for Windows Server OS, DNS, Domain Controllers, and the AD Domain and Forest. Delegate administrative privileges for the management of tools, applications, and other domain-level operations.

Planning, Documentation & Support:

Plan, design, develop, evaluate, test, and integrate the Directory Services infrastructure and PKI implementation. Capture, translate, and document customer requirements to define system and product specifications. Create and maintain comprehensive programmatic and technical documentation to ensure efficient planning and execution. Manage and document system configurations and oversee all transitions into production. Provide high-level technical support for lower-level administrators and perform post-project end-user support. Qualifications Minimum of 8 years with BS/BA; Minimum of 6 years with MS/MA; Minimum of 3 years with PhD Active DoD Secret Clearance Peraton Overview Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure. Target Salary Range $86,000 - $138,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO EEO:

Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.