System Administrator with Security Clearance

About the Role: 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.

Clearance & Location Requirements

• 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.

What You Will Do

• Window System Administration: Install, configure, secure, and maintain windows operating systems (Windows 11) in both virtual and physical environments.
• Server Administration: Install, configure, secure, and maintain server operating system (Server 2022 and 2025) in both virtual and physical environments.
• Linux System Administration: Install, configure, secure, and maintain Linux operating systems (Red Hat) in both virtual and physical environments.
• System & Software Maintenance: Perform monthly maintenance by applying Operating system and software patches to remediate open vulnerabilities on the information system.
• Security & Compliance: 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.
• Troubleshooting: Provide Tier 2/3 support to quickly diagnose and resolve complex system and virtual/physical system performance issues, system configuration problems, and outages.
• Automation & Scripting: Develop and maintain automation scripts (e.g., Bash, Python, PowerCLI, Ansible Playbook) to streamline routine administrative tasks, deployments, and reporting.
• VMware Infrastructure Management: Install, configure, and maintain VMware vSphere environments, including ESXi hosts and vCenter Server.

Who You Are (Required):

• Bachelor’s degree in computer science, information technology, or related field or equivalent full-time professional experience
• 3+ years of professional windows 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

What Makes You Stand Out:

• 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

If you see yourself reflected in this role and are excited about the impact you could make, we encourage you to apply! If you know someone who may be a great fit, please feel free to share this opportunity with your network. Pay Range*: $90,000 - $150,000 or $114,000 - $184,000 *Pursuant to New Jersey Senate Bill 2310 IDT is required to disclose the “pay scale” or “pay range” associated with a job posting. Notably, however, this amount may not be reflective of actual compensation that may be earned as pay is dependent on a candidate’s experience, skills, and education. The posted range does not include bonuses, commissions, tips, or other benefits. Click here for additional information about Senate Bill 2310. IDT is often looking to place multiple candidates at various levels. Therefore, more than one pay range has been included, commensurate with experience. About Innovative Defense Technologies (IDT): 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. Why Work at Innovative Defense Technologies (IDT): IDT is a growing company with a vibrant, entrepreneurial culture. We are headquartered in Arlington, VA with additional offices in Fall River, MA; Mount Laurel, NJ; and San Diego, CA. At each location, our employees work together in a modern, snack-filled, and social office space, designing innovative solutions for our defense industry customers. We offer employees competitive pay and benefits including:

• Generous benefits package
• Competitive PTO
• Paid holidays
• 401(k) with immediate vesting and matching
• 9/80 optional schedule (2nd and 4th Friday off every month)
• Tuition Assistance Reimbursement Program
• Professional Development Resources
• Pre-Tax Commuter Benefits
• Organization-Wide Monthly Tech Connect Events
• Annual Employee Recognition Awards
• Regular Social Events and Catered Lunches

EEO Statement: IDT is an Equal Opportunity employer. Apply Apply Later ← Back to Current Openings Share Share LinkedIn Facebook Twitter Email Similar Jobs System Administrator Powered by Jobvite * * * * * * *

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