System Administrator

IDT•Mount Laurel, NJ

1d•Onsite

About The Position

Innovative Defense Technologies (IDT), a leading defense software company, is seeking a Systems Administrator (SA) to support our Mt. Laurel, New Jersey office. The Systems Administrator will have experience in managing, maintaining, and securing Mount Laurel’s critical virtual infrastructure (Linux/Windows/ESXi) and physical Windows/Linux environments. The ideal candidate has a deep technical background in Windows OS, Linux OS, and virtualization/physical best practices, excellent troubleshooting skills, and a proven ability to maintain highly available, secure, and performant systems. All applicants must currently possess an active Secret U.S. Security Clearance. This is an on-site position, requiring at least 5 days in office, based out of our Mount Laurel, New Jersey location. Innovative Defense Technologies (IDT) is a leading defense technology company focused on rapidly delivering mission-critical software and systems solutions to the U.S. government. The company specializes in automation, digital engineering, and enabling the rapid integration of advanced capabilities into complex weapon and combat systems. These essential solutions empower the warfighter to field, operate, and sustain decisive capability at speed and scale. At IDT, our employees are developing advanced mission-critical outcomes by consistently delivering high-quality results, fostering innovation, applying rigorous problem-solving, and effectively collaborating across multifaceted teams and stakeholders. Grounded in these competencies, IDT translates complex customer priorities into robust software solutions.

Requirements

Bachelor’s degree in computer science, information technology, or related field or equivalent full-time professional experience
3+ years of professional systems administration experience, preferably in a security position
Security+ CE certification, or equivalent level I or II IAT/IAM certification (DoD Directives 8140/8570)
Ability to travel up to 10% of the time, as needed
Experience with virtualization technologies (e.g., VMware vSphere, Microsoft Hyper-V)
Experience configuring systems and performing associated Continuous Monitoring (ConMon) tasks, including daily, monthly and quarterly maintenance to all systems
Proficiency with backup and disaster recovery solutions
Ability to understand and interact with complex DoD compliance tools

Nice To Haves

Linux system administration experience
Experience with, or knowledge of managing & maintaining system compliance through STIG implementation, SCAP scanning, and ACAS/Nessus vulnerability management (Windows/Linux/ESXi)
Understanding of networking technologies, including TCP/IP, DNS, DHCP, VLANs, and firewalls
Experience with PowerShell or Bash scripting for automation
Familiarity with software deployment tools (e.g., PDQ Deploy)
Strong verbal and written communication skills
Ability to manage multiple complex projects simultaneously

Responsibilities

Install, configure, secure, and maintain windows operating systems (Windows 11) in both virtual and physical environments.
Install, configure, secure, and maintain server operating system (Server 2022 and 2025) in both virtual and physical environments.
Install, configure, secure, and maintain Linux operating systems (Red Hat) in both virtual and physical environments.
Perform monthly maintenance by applying Operating system and software patches to remediate open vulnerabilities on the information system.
Ensure the highest levels of systems and infrastructure availability, security, and performance; implement and maintain security, backup, and redundancy strategies.
Demonstrate the ability to manage, execute, and maintain system compliance through STIG implementation, SCAP scanning, and ACAS/Nessus vulnerability management.
Provide Tier 2/3 support to quickly diagnose and resolve complex system and virtual/physical system performance issues, system configuration problems, and outages.
Develop and maintain automation scripts (e.g., Bash, Python, PowerCLI, Ansible Playbook) to streamline routine administrative tasks, deployments, and reporting.
Install, configure, and maintain VMware vSphere environments, including ESXi hosts and vCenter Server.