Active Directory Administrator IV

CommIT Enterprises, Inc.; Quantico (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

CommIT Enterprises, Inc. is seeking an Active Directory Administrator IV in Quantico, VA. The ideal candidate will manage over 265,000 user accounts, providing Tier III support and ensuring the health of Active Directory and internal DNS.

Responsibilities include resolving tickets, coordinating with teams, and implementing AD-related solutions. Candidates must have significant experience and relevant certifications, alongside a Top-Secret clearance.

Qualifications

• 7 years related experience in Active Directory administration.
• Experience with firewall and DMZ configuration.
• Knowledge of AD architecture, databases, and logs.

Responsibilities

• Maintain overall health of Active Directory and internal DNS.
• Resolve AD tickets and provide administrative activities.
• Support change-management processes and escalations.

Skills

Active Directory expertise

Windows Server 2019/2022

PowerShell proficiency

Network security

Communication skills

Education

DoD 8580 IAT III certification

MCSA Windows Server 2016/2019/2022

Tools

Windows Server tools

VMware

Job description

Overview

CommIT Enterprises, Inc. is seeking an Active Directory Administrator IV to join the team in Quantico, VA. The successful candidate will be a self‑starter who thrives in a challenging environment, a team player who seeks new solutions and is willing to teach and learn. They will be part of an Enterprise Tier 3 level Active Directory (AD) support team supporting over 265,000 user accounts and 140,000 computer accounts across several AD domains on government‑operated networks. The team supports account and group management, security configuration of the AD infrastructure, DNS, DHCP, DFS, GPOs, and other directory services technologies.

The ideal candidate will provide Tier III level Active Directory support and have knowledge of the Windows Server operating system and relevant AD applications such as Lync, System Center Suite, and Exchange. The underlying infrastructure consists of physical servers and VMware‑based servers and requires knowledge in VMware virtualization and vCloud to perform specialized AD tasks.

CommIT is a Certified Veteran‑Owned Small Business that provides technical engineering and data‑science services, including cloud management, IT modernization, and cybersecurity.

Responsibilities

• Maintain the overall health of technologies associated with AD and internal DNS.
• Resolve AD tickets escalated from the service desk, provide administrative activities, and submit a weekly status report.
• Coordinate incident tickets between Tier II and III sections and other sections as required.
• Provide documentation, guidance and instruction to Tier II and service desks for handling standard AD incidents, work orders, and service requests.
• Submit and execute AD‑related Request for Change tasks.
• Monitor system availability and performance of AD with government‑provided event‑management tools, and take corrective action for incidents that reduce AD health.
• Provide project support for AD‑related technologies.
• Coordinate with the Engineering Team and other sections on AD‑related issues.
• Support change‑management processes; submit requests through the Change Approval Board and participate in review boards.
• Escalate product issues to third‑party product vendors as required; implement monitoring thresholds and conduct proactive event remediation.
• Provide analysis and remediation for DISA STIGs for all responsible technologies in preparation for the annual Commanders Cyber Readiness Inspections (CCRI).
• Document and implement technical solutions for operational requirements using existing and emerging technologies.

Qualifications

• DoD 8580 IAT III (CASP+CE, CCNP Security, CISA, GCIH, GCED, or CISSP or Associate).
• Professional level certification, e.g., MCSA Windows Server 2016/2019/2022, MCSE Core Infrastructure, Microsoft Windows Server Hybrid Administrator.
• 7 years related experience.
• Firewall, DMZ configuration, certificate configuration, and troubleshooting experience.
• Experience with PowerShell to manage AD features, roles, mailboxes, performance, and troubleshooting.
• Experience identifying the need for AD system reconfigurations.
• Experience maintaining policies, procedures, and training plans for AD system administration and appropriate use.
• Experience building, tuning, and maintaining servers in an enterprise environment.
• Experience troubleshooting server performance issues using native Windows Server tools and utilities.
• Strong experience with AD 2019/2022, planning, deploying, and migrating, including mailbox server failover and cluster management.
• Extensive knowledge of AD architecture—databases and logs, mail routing, and protocol support.
• Thorough working knowledge of Windows Server 2019/2022.
• Ability to evaluate the need for any messaging system reconfigurations.
• Ability to maintain policies, procedures, and training plans for messaging system administration.
• Maintain a forward‑looking posture and work with management to plan future upgrades, including AD migration to newer versions.

Competencies

• Good communication and interpersonal skills.
• Ability to follow policies and procedures.
• Clear speaking voice and ability to respond clearly to questions.
• Aptitude to address negative situations and resolve them positively.

Physical Demands and Work Environment

• General office environment; work is sedentary but may require standing, walking, or light lifting (up to 10 lbs).
• Possible contractor site travel (0–10%) and occasional off‑hours work.
• Require hand and finger dexterity and visual acuity for operating equipment and reading technical information.

Security Requirements

• Top‑Secret with SSBI clearance (minimum level for consideration).

Equal Opportunity Employer

CommIT Enterprises, Inc. is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status, or other characteristics protected by law.