Systems Administrator - Journeyman

Overview

A leader in cutting-edge research and technology in the cyber arena, CPMG focuses on using business drivers to guide cybersecurity activities and manage risk. CPMG offers flexible, integrative solutions for Department of Defense (DoD) contractors, among others, and specializes in cybersecurity, information and operational technology, electronic security surveillance, and support services.

Summary: The Journeyman Systems Administrator will monitor daily operations, including server hardware, software, and operating systems.

Essential Job Functions:

• Designing, implementing, and managing Role-Based Access Control (RBAC) permissions within a multi‑tenant enterprise environment.
• Administering, maintaining, and optimizing Microsoft Active Directory domains, forests, trusts, and replication services.
• Analyzing, troubleshooting, and resolving Active Directory, authentication, DNS, and server‑related issues.
• Configuring, optimizing, fine‑tuning, and monitoring domain controllers, Windows Server operating systems, and related infrastructure.
• Implementing advanced security measures to protect Active Directory environments and ensure secure authentication services.
• Performing system backups, recovery procedures, and disaster recovery support for enterprise directory services.
• Building, promoting, configuring, and managing domain controllers in support of enterprise operations.
• Coordinating technology installations, upgrades, patching, and maintenance activities for Windows server environments.
• Developing and utilizing Power Shell scripts, Active Directory utilities, and diagnostic tools to automate administration and troubleshoot complex issues.
• Managing production Windows Server environments supporting multiple mission‑critical initiatives and global operations.
• Testing, troubleshooting, and modifying enterprise directory services and server infrastructure to ensure optimal performance, availability, and security.
• Providing technical expertise in Kerberos authentication, Active Directory LDAPS/LDAP, DNS, and enterprise identity management solutions.
• Possessing and applying comprehensive knowledge of Microsoft Windows Server 2016/2019/2022, Active Directory, DNS, and related enterprise technologies.
• Planning and leading major infrastructure and directory services initiatives.
• Evaluating performance results and recommending improvements affecting system reliability, security, and operational effectiveness.
• Functioning as a technical expert across multiple project assignments and enterprise technology initiatives.
• May supervise, mentor, or provide technical guidance to junior administrators and support personnel.

Necessary Skills and Knowledge:

• Strong knowledge of Microsoft Active Directory, Domain Services, Domain/Forest Trusts, replication, and enterprise Windows Server environments.
• Proficiency with Role‑Based Access Control (RBAC), identity and access management principles, and enterprise authentication technologies.
• Strong understanding of Kerberos Authentication Protocols, Active Directory LDAPS/LDAP, DNS, and their roles within enterprise environments.
• Demonstrated ability to analyze, troubleshoot, and resolve complex directory services, authentication, server, and infrastructure‑related problems.
• Knowledge of industry best practices for Active Directory security, system hardening, access management, and enterprise infrastructure administration.
• Strong problem‑solving, analytical, organizational, and communication skills with the ability to manage multiple priorities in a complex enterprise environment.
• Highly organized, self‑motivated professional with experience implementing and supporting enterprise technology solutions while maintaining security, reliability, and operational excellence.
• Ability to effectively communicate technical concepts to both technical and non‑technical stakeholders and provide guidance on infrastructure and identity management initiatives.

Minimum Qualifications:

• DoD 8570 IAT II Certification required.
• Minimum years of experience:
  • 9 years of experience with a High School Diploma.
  • 7 years of experience with an Associate's degree (AS/AA).
  • 5 years of experience with a…