Senior Network Administrator

LiquidPiston Inc • Bloomfield, NJ

59d

About The Position

LiquidPiston is a technology-driven engineering company developing advanced rotary engines based on a new thermodynamic cycle. Our team of ~40 engineers and professionals is solving some of the most challenging problems in modern propulsion. We're seeking a Senior Network Administrator to manage and enhance our IT infrastructure, ensuring secure, reliable connectivity across our hybrid Windows and Linux environment. This is a hands-on role for someone who enjoys working independently, supporting a high-performing engineering team, and building resilient systems from the ground up. This position will operate as a one-person IT shop, responsible for all aspects of IT and network management across the organization.

Requirements

• Bachelor's degree in Information Technology, Computer Science, or a related field (MS preferred)
• 5+ years of experience managing enterprise or small-company IT/network infrastructure
• Strong proficiency in both Linux and Windows Server environments
• In-depth understanding of TCP/IP, VLANs, VPNs, firewalls, routing, and switching
• Hands-on experience with Microsoft 365, Active Directory, Exchange, DNS, and SSO
• Familiarity with NIST 800-171 / CMMC 2.0 compliance requirements
• Proven ability to work independently as a one-person IT department
• Excellent troubleshooting, communication, and documentation skills

Nice To Haves

• Networking certifications such as CCNA, CompTIA Network+, or equivalent
• Experience managing High-Performance Computing (HPC) or lab network environments
• Familiarity with containerization (Docker, Kubernetes) or DevOps workflows
• Scripting experience (Python, Bash, PowerShell, or Ansible) for automation and system management
• Knowledge of MySQL or relational database management

Responsibilities

• Design, implement, and maintain a secure and scalable network infrastructure, including routers, switches, firewalls, and wireless access points
• Monitor network performance, troubleshoot connectivity issues, and optimize reliability and uptime
• Manage and support Windows and Linux servers, virtual environments, and user workstations
• Oversee Active Directory, DNS, DHCP, and Microsoft 365 administration
• Collaborate with leadership to identify, procure, and deploy IT and networking assets
• Ensure compliance with cybersecurity frameworks, including NIST 800-171 and CMMC 2.0
• Implement and maintain network segmentation, VPNs, and encryption protocols
• Manage data backup, disaster recovery, and endpoint protection systems
• Support licensing and connectivity for engineering tools such as SolidWorks, ANSYS, and MATLAB
• Develop automation scripts (e.g., Bash, PowerShell, or Ansible) to improve system efficiency

Benefits

• Flexible PTO: We value work-life balance and encourage time to rest and recharge.
• Health & Wellness: Comprehensive medical, dental, and vision coverage-you choose what works best for you.
• Equity Participation: Permanent employees receive RSUs (Restricted Stock Units).
• 401(k) Match: We offer a 401k w/100% matching up to 3% of your salary and then 50% of contributions between 3-5%
• Career Growth: Ongoing training, mentorship, and learning opportunities to accelerate your growth.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Industry: Machinery Manufacturing
• Number of Employees: 11-50 employees