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IT Systems Administrator Sr
Senior Level Active Directory Infrastructure Engineer (Hybrid AD) PRIMARY PURPOSE OF THE ROLE: We are seeking a highly skilled and experienced Senior Active Directory Infrastructure Engineer to join our team. This role is responsible for the design, administration, and ongoing support of our on-premises Active Directory infrastructure and Entra ID environment. The ideal candidate is a self-motivated, proactive professional who can independently own initiatives, identify opportunities for improvement, and drive enhancements from concept through completion. This position requires deep expertise in Active Directory, Entra ID, and related technologies to ensure the security, reliability, and efficiency of our directory services
ARE YOU AN IDEAL CANDIDATE? We are looking for enthusiastic candidates who thrive in a collaborative environment, who are driven to deliver great work, are customer-oriented and are naturally empathetic.
ESSENTIAL RESPONSIBLITIES MAY INCLUDE - 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.
Qualifications: - 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 Skills:
- 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.
TAKING CARE OF YOU - Career development and promotional growth opportunities.
- A diverse and comprehensive benefits offering including medical, dental vision, 401k, PTO and more.
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Work environment requirements for entry-level opportunities include -
Physical: Computer keyboarding
Auditory/visual: Hearing, vision and talking
Mental: Clear and conceptual thinking ability; excellent judgement and discretion; ability to meet deadlines
The statements contained in this document are intended to describe the general nature and level of work being performed by a colleague assigned to this description. They are not intended to constitute a comprehensive list of functions, duties, or local variances. Sedgwick retains the discretion to add or to change the duties of the position at any time.
Sedgwick is an Equal Opportunity Employer and a Drug-Free Workplace.
If you're excited about this role but your experience doesn't align perfectly with every qualification in the job description, consider applying for it anyway! Sedgwick is building a diverse, equitable, and inclusive workplace and recognizes that each person possesses a unique combination of skills, knowledge, and experience. You may be just the right candidate for this or other roles. As required by law, Sedgwick provides a reasonable range of compensation for roles that may be hired in jurisdictions requiring pay transparency in job postings. Actual compensation is influenced by a wide range of factors including but not limited to skill set, level of experience, and cost of specific location. For the jurisdiction noted in this job posting only, the range of starting pay for this role is $95,000 - $100,000. A comprehensive benefits package is offered including but not limited to, medical, dental, vision, 401k and matching, PTO, disability and life insurance, employee assistance, flexible spending or health savings account, and other additional voluntary benefits.
Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers, the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, the San Diego Fair Chance Ordinance, the San Francisco Fair Chance Ordinance, the California Fair Chance Act, and all other applicable laws.
Sedgwick is an Equal Opportunity Employer and a Drug-Free Workplace.
If you're excited about this role but your experience doesn't align perfectly with every qualification in the job description, consider applying for it anyway! Sedgwick is building a diverse, equitable, and inclusive workplace and recognizes that each person possesses a unique combination of skills, knowledge, and experience. You may be just the right candidate for this or other roles.
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