JFR Staffing

System Administrator

JFR Staffing - Neptune, NJ, United States

Job Title: Systems Administrator
Location: Wall Township, NJ (Hybrid)

Overview
We are seeking a highly motivated Systems Administrator to join our IT team. This role is responsible for administering, supporting, and securing enterprise infrastructure across on-prem and cloud environments. The ideal candidate has strong Windows and Linux systems experience, solid Microsoft 365 administration skills, a security-first mindset, and a collaborative approach to supporting internal teams and development operations.

This role reports to the Director of IT.
Hybrid role with regular onsite presence required in Wall Township, NJ.

Key Responsibilities

  • Administer and support Windows Server and Windows 11 environments, including Active Directory, Group Policy, Intune, DNS, DHCP, file/print services, and vulnerability management
  • Manage and maintain Linux systems (Ubuntu, RHEL), including installation, patching, troubleshooting, and performance tuning
  • Administer the Microsoft 365 environment, including Entra ID, Security, Intune, Exchange Online, SharePoint Online, Purview, Teams, and M365 GCC
  • Monitor system health, security, and performance across servers, endpoints, and cloud services
  • Support identity, access, and endpoint security controls, including MFA, Conditional Access, and Microsoft security tooling
  • Support VMware environments, including VM provisioning, resource management, and troubleshooting
  • Assist with AWS administration and monitoring, including EC2, S3, and IAM
  • Execute patching, vulnerability remediation, and system hardening using tools such as PDQ Deploy, PDQ Inventory, and Action1
  • Install, configure, test, and support approved software applications; provide limited support for macOS development laptops
  • Troubleshoot network and application connectivity issues using TCP/IP, routing, firewalls, OSI model, and tools such as Wireshark and tcpdump
  • Support FedRAMP and broader compliance efforts by maintaining technical controls, collecting audit evidence, and documenting procedures aligned to NIST 800-53, SOC 2, and ISO 27001
  • Provide L2 internal support and serve as an escalation point for the service desk using Jira Service Management
  • Create and maintain system documentation, runbooks, SOPs, and knowledge base content
  • Develop automation scripts using PowerShell, Bash, and/or Python to improve efficiency

Required Qualifications

  • Bachelor’s degree in IT, Computer Science, or related field, or equivalent practical experience
  • 3–5 years of systems administration experience in Windows and Linux environments
  • Hands-on experience with Microsoft 365 administration, including user/license management and core services
  • Strong knowledge of networking fundamentals, including TCP/IP, DNS, DHCP, and connectivity troubleshooting
  • Experience with VMware administration
  • Familiarity with FedRAMP and regulated/compliance-driven environments
  • Experience with patching, vulnerability management, and IT security best practices
  • Strong troubleshooting, communication, and organizational skills
  • Ability to work independently, manage multiple priorities, and collaborate effectively across teams
  • Comfortable supporting issues outside standard business hours when needed
  • Strong ownership mindset with a desire to learn and drive issues to completion
  • Must be authorized to work in the U.S.
  • Ability to pass background screening

Preferred Qualifications

  • Experience with AWS
  • Service desk or escalation support experience
  • Experience with automation
  • Cabling experience
  • Mid-level technical certifications are a plus
  • Ability to obtain or maintain clearance

Additional Information

  • This role may require occasional after-hours or weekend support for maintenance, patching, or incident response


Posted On: Friday, April 3, 2026



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