Senior Active Directory/Systems Analyst (MSIC)

COLSA Corporation • Huntsville, AL

1d

About The Position

The Senior Active Directory Engineer serves as the subject matter expert for the design, implementation, and maintenance of a robust on-premises Identity and Access Management (IAM) infrastructure. This role is focused on the architecture and security of a complex Windows Server environment, ensuring high availability and seamless authentication across the enterprise. You will lead forest-level migrations, disaster recovery planning, and the hardening of AD objects against modern security threats. At COLSA, people are our most valuable resource and centered at our core value. We invite you to unite your talents with opportunity and be a part of our “Family of Professionals! Learn about our employee-centric culture and benefits here .

Responsibilities

• Design and deploy multi-forest/multi-domain AD architectures, including Site and Services optimization for low-latency authentication.
• Standardize and manage GPOs to enforce security baselines, software distribution, and user environment configurations.
• Implement Tiered Administration models (Red Forest/Privileged Access Workstations) and manage Kerberos, NTLM, and LDAP security protocols.
• Lead Domain Controller (DC) promotions, demotions, and OS upgrades (e.g., migrating from Windows Server 2016 to 2022).
• Establish and regularly assess AD-specific backup and restoration procedures (Authoritative vs. Non-authoritative restores).
• Maintain the health of AD-Integrated DNS, ensuring proper zone replication and scavenging.
• Lead Domain Controller (DC) promotions, demotions, and OS upgrades (e.g., migrating from Windows Server 2016 to 2022).

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 501-1,000 employees