IT Infrastructure System Administrator

NDI Engineering; West Deptford Township (NJ); On-site; USD 62,000 - 84,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Paid time off (vacation, sick, company

Retirement savings plan with employer

Life and disability insurance

Professional development and training

Job summary

NDI Engineering Company seeks a full-time IT Infrastructure System Administrator to support Windows server environments, network appliances, and security compliance. The role covers on-site design, deployment, and maintenance of our infrastructure in South Jersey, including AD, GPO, and Azure integrations.

The ideal candidate will have DoD clearance eligibility, 3–5 years of Windows/Network admin experience, and strong scripting for automation. On-site availability is required.

Qualifications

• Must be US citizen and able to qualify for DoD Secret clearance.
• 3–5 years’ experience as Windows System and Network Administrator.
• Hands-on with Windows 11 and Windows Server 2022 hardened OS per NIST 800-171/800-53.
• Experience designing and deploying network infrastructure incl. SD-WAN.
• Ability to work on-site in South Jersey offices.

Responsibilities

• Configure, install, and manage network appliances (firewalls, switches, routers, APs).
• Create and manage GPOs and AD CS.
• Implement Windows OS hardening per DISA STIGs.
• Automate design/deployment using PowerShell/Ansible.
• Configure Windows servers and Azure deployments on-premise/Cloud.
• Manage user access and security across services and apps.
• Document IT environment configurations and changes.
• Support help desk and perform scheduled maintenance.

Skills

Windows Server

Network Administration

PowerShell

AD/GP Management

DISA STIG Compliance

Education

Associate’s degree in information/computer science

Technical school certificate (Windows/Network)

Tools

Fortigate Firewall

Firewall Policies & Interfaces

AD CS & GPO

Azure (on-prem + Azure)

JIRA Service Management

Job description

Title: IT Infrastructure System Administrator
Location: Thorofare, NJ
Schedule: Full-Time

About the company:

NDI Engineering Company is a privately-held small business consulting firm. NDI provides engineering and technical services to Government clients chartered with responsibility for the defense of our country. NDI offerings include naval architecture, marine, civil, structural, mechanical, and electrical engineering and design services. NDI has an ISO 9001:20015 Certified Quality System and was a prior recipient of the U.S. Small Business Administration Region II, Prime Contractor of the Year Award. NDI's corporate office is located in Thorofare, NJ with additional offices at the Naval Business Center, Philadelphia, PA, and Virginia Beach, VA.

About the role:

NDI Engineering Company is seeking a full-time IT Infrastructure System Administratorto join our team in South Jersey to support our growing operations. The ideal candidate will have demonstrated experience performing administration of Windows server environments; ability to design, install, and configure windows servers; perform scheduled and ad hoc control/compliance vulnerability scanning of laptops, desktop workstations and windows servers, perform system backups and disaster recovery, ability to install and configure system hardware, troubleshoot system problems and analyze system logs, identifying potential issues with systems, configuration and maintenance of network appliances (firewalls, switches, routers, WiFi access points, etc.) and other typical duties of this role. The ideal candidate will have experience in online part ordering and researching how to find the best value (price and delivery) from distributors and evaluating requirements for company-wide computing infrastructure modifications and upgrades.

Primary Responsibilities:

• Configuration, Installation, checkout and administration of network appliances (Fortigate Firewall, Fortigate/HP/Netgear/CISCO network switch(s), routers, access points) which include creating existing firewall configuration, creating new firewall policies and firewall interfaces and maintaining and updating network switch configurations.
• Create and Manage Group Policy (GPO) and Implement Active Directory Certificate Services (AD CA)
• Implement Windows OS hardening per DISA STIG requirements
• Automate the design, build, testing, and deployment of solutions and standards using tools such as PowerShell, and Ansible
• Design, configure windows servers, laptops, and desktop workstations and install them on premise and in Azure.
• Manage user authentication and access to services and applications to maintain systems security; configure access by user identification and role.
• Document the configuration of IT environment; hardware, network and software.
• Perform maintenance, user/customer support, compliance testing, system upgrades, performance monitoring, disaster recovery, system backups and documentation
• Installation and checkout and administration of Windows server environments (2022/2025) and Windows 11 laptop/desktop deployments.
• Perform scheduled and ad hoc control/compliance vulnerability scanning of laptops, desktop workstations and windows servers
• Troubleshoot system problems; analyze system logs and identify potential issues
• Provide support with escalated help desk requests via JIRA Service Management; perform troubleshooting as needed, assist with problem-solving efforts, involving other teams, partners, and outside vendors

Required Qualifications:

• Must be a US citizen and able to qualify for a DoD Secret clearance.
• Associate’s degree in information/computer science, technical school certificate in windows/Network administration or US Military “C” school certificate (ET, IT, ITN)
• 3-5 years’ experience as Windows System and Network Administrator
• Hands-On experience with design, configuration, test and deployment of Windows 11 and Windows Server 2022 hardened operating systems per NIST 800-171 and NIST 800-53 requirements
• Hands-On experience with local and wide area network design and implementation and SD-WAN and configuration of the following: firewall policies, firewall interfaces, firewall security policies, network VLANS, IPSec VPN, configuring network switches and topologies, configuration, deployment and administration of WiFi access points.
• Hands-On experience in integrating Windows 11 and Windows Server 2022 with NDI security applications that monitor activity on the NDI network that includes; Endpoint Management System (EMS), Network Analyzer, Endpoint Detection and Response (EDR), SIEM, GCCH security platform and Identification and Authentication (SmartID Card).
• Windows MSCA/MSCE Certification for Windows Server and Office 365 and Comp TIA+
• Ability to work on-site in our offices is required. Ability to provide periodic after-hours support for infrastructure weekend maintenance and related emergencies
• Good verbal and written communications skills along with ability to implement feedback from engineers, follow work instructions and work somewhat independently are highly desirable traits

Compensation:

The compensation for this position will be based on a combination of factors, including experience, education, skill level, and internal equity. The expected pay range for this role is $62,000 to $84,000 annually. Final compensation will be determined after evaluating the candidate’s qualifications and alignment with role requirements.

Benefits:

This position is classified as an exempt role and includes a comprehensive benefits package designed to support employee well‑being and work–life balance. Benefits typically include:

• Medical, dental, and vision insurance
• Employer‑sponsored or partially funded health coverage options
• Paid time off, including vacation, sick leave, and company holidays
• Retirement savings plan with employer contribution or match
• Life and disability insurance
• Employee assistance programs and wellness resources
• Professional development and training opportunities
• Additional voluntary benefit options

Actual benefits may vary based on company policies and eligibility requirements.

NDI Engineering Company is an Equal Opportunity Employer. This contractor and subcontractor shall abide by the requirements of 41 CFR §§ 60-1.4(a), 60-300.5(a) and 60-741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity, or national origin. Moreover, these regulations require that covered prime contractors and subcontractors take affirmative action to employ and advance in employment individuals without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.

NDI Engineering Company is a privately-held small business consulting firm. NDI provides engineering and technical services to Government clients chartered with responsibility for the defense of our country. NDI offerings include naval architecture, marine, civil, structural, mechanical, and electrical engineering and design services. NDI has an ISO 9001:20015 Certified Quality System and was a prior recipient of the U.S. Small Business Administration Region II, Prime Contractor of the Year Award. NDI's corporate office is located in Thorofare, NJ with additional offices at the Naval Business Center, Philadelphia, PA, and Virginia Beach, VA.

NDI Engineering Company is an Equal Opportunity Employer. This contractor and subcontractor shall abide by the requirements of 41 CFR §§ 60-1.4(a), 60-300.5(a) and 60-741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity, or national origin. Moreover, these regulations require that covered prime contractors and subcontractors take affirmative action to employ and advance in employment individuals without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.