Sedgwick · 1 hour ago
IT Systems Administrator Sr
United States
Full-time
Remote
Mid, Senior Level
$95K/yr - $100K/yr
5+ years expSedgwick is a company dedicated to providing meaningful support to individuals facing unexpected challenges. They are seeking a Senior Active Directory Infrastructure Engineer responsible for designing, administering, and supporting their Active Directory infrastructure and Entra ID environment, while also ensuring the security and efficiency of directory services.
BankingInsuranceRisk Management
Responsibilities
Design, implement, and manage hybrid Active Directory infrastructure
Advanced troubleshooting and knowledge of AD replication, Trusts, Group Policy Management, LDAP, Kerberos, AD security, AD Federation Services, and DNS
Perform regular maintenance, updates, and troubleshooting of on-premises Active Directory across multiple forests
Migration support, project planning, design and implementation of migrating AD objects between domains, and collaboration to decommission legacy domains post migration
Participate in on-call rotation for 24x7 incident response, be available for flexible work hours as needed to conduct changes in off-hour change windows
Develop and enforce security policies and procedures for directory services
Collaborate with other IT teams to ensure seamless integration of directory services with other systems and applications
Monitor Active Directory and domain controller performance and implement improvements to optimize efficiency and reliability
Provide technical support and guidance to junior engineers and other team members
Stay up-to-date with the latest developments in Active Directory, Entra ID, and related technologies
Qualification
Required
Bachelor's degree in Computer Science, Information Technology, or a related field
Minimum of 5 years of experience in managing and maintaining Active Directory infrastructure
Strong knowledge of Entra ID and related technologies
Experience with security best practices and policies for directory services
Excellent problem-solving and troubleshooting skills
Strong communication and collaboration skills
Relevant certifications (e.g., Microsoft Certified: Identity and Access Administrator Associate) are a plus
Preferred
Experience with hybrid environments integrating on-premises Active Directory with cloud-based directory services
Knowledge of scripting and automation tools (e.g., PowerShell)
Experience with domain migrations and domain consolidation
Familiarity with other identity and access management solutions such as Microsoft Identity Manager
Knowledge of Public Key Infrastructure (PKI)
Basic network troubleshooting skills
Advanced Excel skills
Optional skills in Google SecOps, Windows Server Update Services, PRTG monitoring
Advanced knowledge working with Microsoft Windows Server Operating System 2016-2025 across physical and virtual environments
Benefits
Medical
Dental
Vision
401k and matching
PTO
Disability and life insurance
Employee assistance
Flexible spending or health savings account
Other additional voluntary benefits
Company
Sedgwick
Sedgwick is the world’s leading risk and claims administration partner, helping clients thrive by navigating the unexpected.
10001+ employees
H1B Sponsorship
Sedgwick has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (11)
2024 (10)
2023 (4)
2022 (9)
2021 (14)
2020 (10)
Funding
Current Stage
Late StageTotal Funding
$1.5BKey Investors
Altas PartnersLa Caisse
2024-09-12Private Equity· $1B
2018-12-01Private Equity
2018-09-12Acquired
Leadership Team
Michael Arbour
Chairman & Chief Executive Officer
Kalani Reelitz
Global Chief Financial Officer
Recent News
Morningstar.com
2025-11-10
2025-09-04
Company data provided by crunchbase