Systems Engineer

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 – 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  (SCIM, SAML 2.0, OAuth/OIDC, Just‑In‑Time provisioning).
• Owning full‑lifecycle deployment of Intune MDM/MAM, Windows Autopilot, GPO-to‑Intune 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, One Drive, Teams) and Azure IaaS/PaaS resources for resilient collaboration and messaging.
• Active Directory Engineering – multi‑site, multi‑forest AD DS; replication design, schema/forest upgrades, delegated OU structures, PKI/CA integration.
• Hybrid Identity & Entra  – Azure AD Connect / Cloud Sync, Hybrid Join, Conditional Access, PIM, SSO integrations (SCIM, SAML, OAuth/OIDC).
• Intune / Autopilot / Endpoint Security – Intune tenant management, legacy GPO migration, Autopilot rings, compliance profiles, Defender for Endpoint, Proactive Remediations.
• Proofpoint Administration – PPS/TAP cluster installation, configuration, policy tuning, connectors, quarantine, threat intel, message delivery troubleshooting.
• Microsoft 365 Services – Exchange Online (hybrid mail flow, EOP), SharePoint Online, One Drive, and Teams retention/eDiscovery administration.
• Automation & Scripting – Power Shell/Graph scripts for deployment, reporting, Proofpoint/Intune automation, CI/CD pipeline maintenance.
• Technical Support – 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, coordinate with cross‑functional teams.
• Documentation – produce and maintain designs, runbooks, SOPs, and change‑control artifacts.
• Security & Compliance – enforce security baselines and FFIEC/NCUA requirements; participate in audits and risk assessments.
• Vendor Liaison – 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 , SCIM provisioning, SAML 2.0, OAuth/OIDC, Conditional Access.
• Strong Power Shell / Graph automation skills; ability to create JSON/Win
  32 and Proactive Remediation scripts.
• Excellent analytical and root‑cause troubleshooting for multi‑discipline issues (identity, mail flow, endpoint, security).
• Effective project management, task prioritization, and stakeholder communication abilities.

• Microsoft 365 Enterprise Administrator Expert (MS‑102)
• Entra  Associate (SC‑300) or Intune Administrator Associate (MD‑102)
• Proofpoint Certified Specialist (PPS/TAP); CISSP, CISM, or similar.

System One and its subsidiaries 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 offers eligible employees health and welfare benefits coverage options, including medical, dental, vision, spending accounts, life insurance, voluntary plans, and 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.