System Administrator

J

JFR Staffing

System Administrator

Neptune, NJ
Full Time
Paid
  • Responsibilities

    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