Systems Administrator III

Job Description

Job Description

Description :

This opportunity is open only to U.S. citizens or lawful permanent residents (LDRs)

We are seeking an experienced and highly skilled Systems Administrator III to serve as a senior-level technical expert responsible for managing, maintaining, and optimizing enterprise systems and infrastructure. This role is pivotal in ensuring uptime, security, and scalability across server, storage, and cloud environments. The role will provide advanced support for infrastructure initiatives, lead complex system implementations, and mentor junior administrators.

Job Responsibilities :

• Endpoint Management & Engineering

o Design, deploy, and optimize enterprise endpoint configurations using Microsoft Intune and Autopilot

o Manage device provisioning, application deployment, patching, and policy enforcement across Windows and macOS platforms.

o Engineer and maintain Autopilot, compliance, and conditional access policies in Microsoft Entra (Azure AD).

o Integrate endpoint security with Microsoft Defender for Endpoint, BitLocker, and third-party solutions.

o Develop advanced PowerShell scripts to automate endpoint tasks, reporting, and remediation workflows.

o Diagnose and resolve network-related endpoint issues (DNS, DHCP, IP conflicts, routing, VPN, wireless connectivity).

o Work closely with the network operations team to ensure endpoints maintain secure and consistent connectivity to corporate resources.

o Utilize advanced knowledge of TCP / IP, ports, firewalls, and routing to identify and resolve endpoint communication issues.

o Assist in the configuration and troubleshooting of Fortinet firewalls, Fortinet Switches, FortiNet Access Points, Meraki Access Points, and Zscaler Secure Access Service Edge (SASE) solutions.

o Implement and maintain endpoint security baselines, encryption, and conditional access policies.

o Collaborate with cybersecurity teams to detect, investigate, and remediate endpoint vulnerabilities or incidents.

o Ensure endpoint compliance with corporate standards and regulatory frameworks.

o Contribute to audits, vulnerability assessments, and remediation planning.

o Serve as a technical mentor to junior administrators and help desk technicians, providing guidance on complex endpoint and networking issues.

o Collaborate cross-functionally with networking, infrastructure, and cybersecurity teams to maintain end-to-end endpoint reliability and security.

o Document system configurations, policies, and processes for knowledge sharing and continuity.

o Participate in major endpoint-related projects, migrations, and upgrades.

Education and Work Experience :

Knowledge Skills & Abilities :

o Advanced proficiency with PowerShell scripting for automation, monitoring, and reporting.

o Expertise in Microsoft Endpoint Manager (Intune / SCCM) and Active Directory GPO management.

o Familiarity with Fortinet firewall and VPN solutions.

o Experience or understanding of Zscaler Internet Access (ZIA) or Zscaler Private Access (ZPA) preferred.

o Strong understanding of endpoint security controls, encryption, and zero-trust access concepts.

o Microsoft Certified : Intune Administrator (MD-102), Azure Administrator (AZ-104), or equivalent.

o Fortinet NSE or Zscaler Certified Cloud Professional (ZCCP) a plus.

o CompTIA Network+ or equivalent networking certification preferred.

o Strong analytical and troubleshooting abilities, especially for cross-layer endpoint and network issues.

o Excellent communication skills for technical collaboration and documentation.

o Proven ability to balance operational responsibilities with project-based initiatives.

o Commitment to continuous learning and technology improvement.

o Team-oriented mindset with the ability to mentor and lead by example.

Typical Physical Demands :

Employee Signature : ­­­­ ___________________ Date : ___________________

NOTE : This job description is not intended to be all-inclusive. Employee may perform other related duties as negotiated to meet the ongoing needs of the organization.

Requirements :