Systems Engineer
Melbourne, FL
Experience: 6
Category: Information Technology
Contractor Work Model: Hybrid
Brand: System One
Compensation Range: 115000.00 - 125000.00 Per Hour
Job ID: 344240
Date Posted: 12/16/2025
Shortcut: http://jobs.systemone.com/sewAav
Job Title: Systems Engineer
Location: Melbourne, FL
Type: Contract To Hire
Contractor Work Model: Hybrid
System One is seeking a Systems Engineer for a long-term opportunity with a well-established financial organization in Melbourne, FL. The Microsoft Systems Engineer will design, build, implement, and maintain enterprise Microsoft platforms.
- Administering and optimizing On Premises Active Directory—with an emphasis on replication topology, Sites & Services, multi forest trust models, and CIS benchmark hardening.
- Engineering hybrid identity with Azure AD Connect / Entra Cloud Sync (Password Hash Sync, Pass through Authentication, and staging/swing migration), Hybrid Join, and Microsoft Entra ID SSO (SCIM, SAML 2.0, OAuth/OIDC, and Just In Time provisioning).
- Owning full lifecycle deployment of Intune MDM/MAM, Windows Autopilot, GPO to Intune configuration/compliance profile conversion, and endpoint protection with Microsoft Defender for Endpoint.
- Architecting, administering, and troubleshooting Proofpoint PPS/TAP secure mail gateways (DMARC / DKIM / SPF, malware & impersonation defense, smart host connectors, DLP, encryption).
- Supporting Microsoft 365 (Exchange Online, SharePoint Online, OneDrive, Teams) and Azure IaaS/PaaS resources for resilient collaboration and messaging.
- Active Directory Engineering – Administer multi-site, multi forest AD DS; design replication, schema/forest upgrades, delegated OU structures, and PKI/CA integration.
- Hybrid Identity & Entra ID – Plan, deploy, and maintain Azure AD Connect / Cloud Sync, Hybrid Join, Conditional Access, PIM, and SSO integrations (SCIM, SAML, OAuth/OIDC).
- Intune / Autopilot / Endpoint Security – Build and maintain Intune tenant, migrate legacy GPOs to Intune, create Autopilot deployment rings, publish compliance & configuration profiles, implement Defender for Endpoint and Proactive Remediations.
- Proofpoint Administration – Install, configure, and tune PPS/TAP clusters; manage policies, mail flow connectors, quarantine, and threat intel; troubleshoot end to end message delivery.
- Microsoft 365 Services – Administer Exchange Online (hybrid mail flow, EOP), SharePoint Online, OneDrive, and Teams retention/eDiscovery.
- Automation & Scripting – Develop PowerShell / Graph scripts for deployment, reporting, and Proofpoint/Intune automation; maintain CI/CD pipelines where applicable.
- Technical Support – Provide Tier III response and on call escalation for identity, device management, mail security, and collaboration platforms.
- Project Participation – Lead or contribute to IT projects, create charters, timelines, and deliverables, and coordinate with cross functional teams.
- Documentation – Produce and maintain high level/low level designs, runbooks, SOPs, and change control artifacts.
- Security & Compliance – Enforce security baselines and FFIEC/NCUA requirements; participate in audits and risk assessments.
- Vendor Liaison – Act as primary contact with Microsoft, Proofpoint, and other vendors for support cases, roadmap alignment, and licensing.
- Continuous Improvement – Track emerging Microsoft and Proofpoint capabilities; recommend and pilot new features to enhance resilience, security, and user experience.
- 5+ years’ experience designing and implementing:
- Azure AD Connect / Cloud Sync topologies, Hybrid Join, federation models.
- Intune MDM/MAM, Windows Autopilot, and GPO to Intune migration.
- Proofpoint PPS & TAP secure mail gateways, including DMARC/DKIM/SPF tuning.
- Entra ID SSO, SCIM provisioning, SAML 2.0, OAuth/OIDC, and Conditional Access.
System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M-1
Ref: #431-IT Tampa
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