Senior Sys Admin

Apex Systems; Juno Beach (FL); On-site; USD 95,000 - 125,000; Full time

Job summary

Everforth Apex Systems in the United States is seeking an experienced Systems Administrator to support and maintain a large enterprise infrastructure. The role emphasizes hands-on work with Active Directory, Azure/Entra ID, domain controllers, DNS, and SSO configuration in a complex environment.

The position requires approximately 5+ years of systems administration experience and the ability to work onsite five days per week.

Qualifications

• Approximately 5+ years of Systems Administration experience.
• Strong, hands-on Active Directory, DNS and Windows Server expertise.
• Experience with Azure AD/Entra ID and domain controller maintenance.
• Experience configuring and troubleshooting SSO and hybrid identity.
• Experience with Azure or AWS cloud environments.

Responsibilities

• Administer and maintain Active Directory users, groups, GPOs, and domain health.
• Perform domain controller upgrades, migrations, patching and troubleshooting.
• Manage DNS within an enterprise Windows environment.
• Support Entra ID/Azure AD identity administration and synchronization.
• Configure and troubleshoot SSO integrations with enterprise apps.
• Support hybrid identity environments with on-prem AD and Entra ID.
• Monitor infrastructure performance, security and system health.
• Maintain technical documentation and follow change management processes.

Skills

Active Directory

Azure AD

SSO

DNS

Windows Server

Cloud (Azure/AWS)

Tools

PowerShell

Azure AD Connect

Job description

Job#: 3058928

Job Description:

Systems Administrator

Location

Onsite, 5 days per week

Experience

Approximately 5+ years

Environment

Large enterprise environment

Position Overview

We are seeking an experienced Systems Administrator to support and maintain a large enterprise infrastructure environment. This role requires strong hands-on experience with Active Directory, Azure/Entra ID, domain controllers, DNS, and SSO configuration. The ideal candidate has approximately 5+ years of systems administration experience and has worked in a complex enterprise environment.

Key Responsibilities

• Administer and maintain Active Directory, including users, groups, Group Policy, authentication, permissions, and overall domain health.
• Perform domain controller upgrades, migrations, patching, and troubleshooting.
• Manage and troubleshoot DNS within an enterprise Windows environment.
• Support Microsoft Entra ID (Azure AD), including identity administration, synchronization, authentication, and access management.
• Configure and troubleshoot Single Sign-On (SSO) integrations with enterprise applications.
• Support hybrid identity environments integrating on-premises Active Directory with Microsoft Entra ID.
• Administer and troubleshoot Azure or AWS infrastructure and services.
• Monitor infrastructure performance, availability, security, and system health.
• Resolve escalated infrastructure issues beyond basic desktop or user support.
• Maintain technical documentation and follow enterprise change management and security processes.

Required Qualifications

• Approximately 5+ years of Systems Administration experience.
• Strong, hands-on Active Directory experience beyond basic account provisioning and support.
• Demonstrated experience upgrading and maintaining domain controllers.
• Strong knowledge of DNS, Group Policy, authentication, and Windows Server environments.
• Hands-on experience with Microsoft Entra ID / Azure AD.
• Experience configuring and troubleshooting SSO.
• Strong experience with Microsoft Azure or AWS. Candidates with either cloud platform are acceptable.
• Current or previous experience supporting a large enterprise environment.
• Ability and willingness to work onsite 5 days per week.

Preferred Qualifications

• Experience supporting hybrid on-premises/cloud identity environments.
• Experience with Entra Connect / Azure AD Connect, MFA, Conditional Access, and identity lifecycle management.
• PowerShell scripting or automation experience.
• Familiarity with enterprise monitoring, patching, backup, and change-management processes.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.

© 2026 Everforth, Inc. All rights reserved.

Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc.

NYSE: EFOR

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Everforth Apex is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex.