Systems Administrator

Addison Group is looking for a Systems Administrator to support our client in the nonprofit/cross-border philanthropy space. This hands-on role administers enterprise platforms, identity and access systems, and IT infrastructure, with a focus on automation and operational excellence to keep the environment secure, reliable, and scalable. The role operates under the client's Technology & Transformation Team for architectural direction, while exercising independent judgment in day-to-day configuration, automation, and coordination across platforms and partners.

Partner with Vendors, Managed Service Providers, and internal IT Teams to successfully execute on the following:

· Enterprise system administration and implementation

· Contribute to the architecture and design of enterprise systems as required under the design authority and direction of the IT Manager.

· Collaborate with the technical teams, business analysts, SMEs, and other business partners as required to implement enterprise business solutions.

· Deploy, automate, and support infrastructure and operational system solutions, such as workflow or configurations.

User & Application Administration (platform operations and lifecycle management)

· Administer enterprise platforms (CRM, M365, collaboration tools) at the technical and platform configuration level, excluding business logic ownership.

· Administer and configure identity providers in partnership with the IAM Technical Lead (or others enabling IAM), ensuring all configurations follow IAM governance policies, security standards, and access control requirements.

· Execute provisioning and deprovisioning of users and groups within CRM, productivity suites, identity providers, and other enterprise systems in alignment with IAM governance policies.

· Implement and maintain automation for onboarding/offboarding workflows in alignment with IAM-defined lifecycle processes.

IT Infrastructure & Systems Operations (Global or holistic IT environment)

· Perform operational maintenance of IT infrastructure.

· Administer VPN and domain security infrastructure (DNS, SPF, DMARC, DKIM records).

· Identify, retire and remove legacy systems.

· Monitor infrastructure performance and manage certificates within the tenant.

· Manage and maintain the organization's intranet platform (SharePoint)

· Implement monitoring and alerting for infrastructure and enterprise systems.

In addition to the primary duties and responsibilities this role is required to facilitate, enable, and back-up vendors, Managed Service Providers and internal IT teams in the following areas:

User Support and Training

· Support the execution of onboarding/offboarding workflows, device configuration, and VPN access.

· Assist with end-user support, manage internal tickets, resolve outages, and deliver technical assistance for in-office setups and events.

· Maintain IT documentation and hardware inventory.

· Serve as an escalation point for complex system administration issues, including identity, access, and platform configuration, and oversee resolution of operational tickets across enterprise systems.

Vendor and Partner Management

· Provide technical input for vendor integrations and support implementation of approved SaaS solutions under the direction of IT leadership.

· Serve as a technical escalation point for vendors or MSPs to resolve system and platform issues.

· Operationally manage software licensing assignments in alignment with IT leadership oversight., Role: Desktop Engineer Location: Houston, TX Pay Range: $120,000 - $130,000 / year Benefits: This position is eligible for medical, dental, vision and 401(k). About the Role We are seeking an experienced Desktop Engineer to support and enhance enterpri... Recommended *, Job Title: IT Systems Support Technician Location: Oklahoma City, OK (Onsite with local travel) Pay Range: $50,000 - 65,000 / year depending on experience Benefits: The position is eligible for medical, dental, vision, and 401(k). **Onsite requirement ... Recommended *, Title: Hosting Enterprise Architect Location: Dallas, TX - Onsite 1 day a week Salary: $150k Position is not eligible for sponsorship Benefits: Immediate eligibility for health and welfare benefits 401(k) savings plan with dollar-for-dollar match up to... 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· Must be eligible to work legally in the United States.

· Work with multiple entities (internal teams, vendors, users, etc.) simultaneously while resolving complex system issues

· Maintain resilience, positive attitude, and supportive disposition while resolving difficult technical problems with complex decentralized SaaS and Cloud solutions

· Proficiency in automation tools and scripting (MS Power Automate, PowerShell) for user lifecycle, application provisioning, and infrastructure workflows.

· Proven experience administering enterprise platforms (CRM, M365) including user provisioning and lifecycle operations.

· Strong understanding of IT infrastructure operations (Certificate Management, VPN, DNS, SPF/DMARC/DKIM), and cloud hosting environments.

· Excellent documentation and communication skills, with experience maintaining IT knowledge bases and delivering end-user documentation.

Computer/Software Experience:

· Familiarity with enterprise CRM and productivity platforms including basic user provisioning and password reset tasks.

· Exposure to identity and access management tools like Entra ID, with experience configuring SSO/MFA for third-party SaaS applications.

· System Administration of file-sharing and collaboration tools including SharePoint, OneDrive, and Teams.

· Proficiency in automation tools and scripting (PowerShell, MS Power Automate) for system and application lifecycle tasks.

· Hands-on experience with internal ticketing systems and support workflows, including triaging and resolving system issues.

· Understanding of IT infrastructure components such as VPN, DNS, and domain security records (SPF, DMARC, DKIM), with guidance from senior staff.

· Exposure to cloud and web hosting environments like AWS and CMS systems, with opportunities to assist in maintenance and monitoring tasks.

· Experience implementing monitoring and alerting for infrastructure and enterprise systems.

· Understanding of security best practices for enterprise systems and SaaS platforms.

Education/Experience:

· Bachelor's degree (B.A./B.S.) from a four-year college or university preferred; or equivalent combination of education and experience.

· Four to eight years of experience in enterprise systems administration, IT infrastructure operations, or related technical roles.

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Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.