Systems Administrator, Mid-Level

Simtechinc; Huntsville (AL); On-site; USD 70,000 - 95,000; Full time

Job summary

SimTech, Inc. in Huntsville, AL is seeking a Mid-Level Systems Administrator to join our corporate IT team. You will manage Windows and Linux systems, provide helpdesk support, and ensure secure, reliable IT operations for employees and business applications.

The role emphasizes hands-on Linux, strong troubleshooting, and a customer-focused approach, with opportunities for growth, a competitive benefits package, and a supportive work environment.

Qualifications

• Associate degree or equivalent in IT/ networking or related field.
• 5+ years in systems administration or IT support; 7+ years preferred.
• Hands-on Linux administration, troubleshooting, and end-user support.
• Working knowledge of Windows desktop OS, Windows Server, AD, and M365.
• Experience with patching, backups, security, and network connectivity.
• Strong communication and customer-service skills.

Responsibilities

• Install, configure, administer, and maintain Windows/Linux servers and workstations (Ubuntu or similar).
• Provide helpdesk support for hardware, software, and network issues; document resolutions.
• Troubleshoot Linux using CLI, logs, and utilities; manage users, permissions, services.
• Administer Windows Server and Active Directory; manage GPOs and monitoring.
• Support Microsoft 365 apps, licensing, and user access.
• Coordinate onboarding/offboarding, provisioning, and basic training.
• Perform imaging, deployments, patching, backups, and restorations.
• Monitor health, investigate issues, and propose reliability improvements.
• Troubleshoot network connectivity and VPNs; coordinate with IT staff.
• Support cybersecurity activities and compliance documentation.
• Maintain system documentation and asset inventories.
• Collaborate with vendors, IT staff, and end users on changes.

Skills

Linux experience

Troubleshooting

Customer focus

Analytical thinking

Documentation

Education

Associate degree in IT/Networking

Equivalent training/experience

Bachelor's degree preferred

Tools

Windows Server

Active Directory

Microsoft 365

Bash

PowerShell

Job description

Systems Administrator, Mid-Level

Overview

SimTech, Inc., recognized as one of the 2026 Best Places for Working Parents, is seeking a Systems Administrator, Mid-Level to join our corporate team in Huntsville, AL.

This role will support the administration, maintenance, and troubleshooting of Windows and Linux systems while providing responsive helpdesk support. This position supports servers, workstations, user accounts, business applications, and network connectivity to maintain reliable and secure IT operations. The ideal candidate will bring hands-on Linux experience, strong troubleshooting skills, and a customer-focused approach to supporting employees and technical teams.

SimTech offers a market-leading compensation and benefits package, work/life balance, an outstanding retirement plan, career growth opportunities, and much more.

Responsibilities

Install, configure, administer, and maintain Windows and Linux servers and workstations, including Ubuntu or similar Linux distributions.

Provide helpdesk support for hardware, software, operating systems, account access, email, printers, and network connectivity; prioritize requests, document resolutions, and communicate status to users.

Troubleshoot Linux systems using command-line tools, system logs, and diagnostic utilities; manage user accounts, permissions, packages, services, and routine updates.

Administer Windows Server and Active Directory functions, including user accounts, security groups, permissions, Group Policy, and system monitoring.

Support Microsoft 365 services, including Outlook, Teams, SharePoint, licensing, and user access.

Coordinate employee onboarding and offboarding activities, including account provisioning, access changes, workstation setup, software installation, and basic user training.

Perform system imaging, deployments, patching, upgrades, backups, and restoration activities in accordance with established procedures.

Monitor system health and performance, investigate issues, and recommend improvements to system reliability and support processes.

Troubleshoot network connectivity and remote access issues involving TCP/IP, DNS, DHCP, VPNs, switches, and firewalls; coordinate complex issues with appropriate IT personnel.

Support cybersecurity activities, including vulnerability scanning, remediation, system hardening, access controls, and compliance documentation.

Support applications used by business, engineering, and manufacturing teams.

Maintain accurate system documentation, configuration records, asset inventories, support procedures, and helpdesk notes.

Work with IT staff, cybersecurity personnel, vendors, and end users to resolve issues and support system changes; el

Perform other duties as assigned.

Minimum Qualifications & Education Requirements and Desired Skillsets

Required

Associate degree in Information Technology, Networking, or a related technical field preferred; equivalent relevant education, training, and experience considered.

At least five years of relevant experience in systems administration or IT support, including hands-on responsibility for Linux systems and end-user support. Seven or more years preferred.

Experience installing, configuring, maintaining, and troubleshooting Linux operating systems, preferably Ubuntu or a comparable distribution.

Working knowledge of Windows desktop operating systems, Windows Server, Active Directory, and Microsoft 365.

Experience troubleshooting hardware, software, peripherals, user access, and network connectivity issues.

Understanding of networking fundamentals, including TCP/IP, DNS, DHCP, and VPN connectivity.

Familiarity with system patching, backups, access controls, secure configurations, and basic cybersecurity practices.

Strong analytical, organizational, and customer service skills, with the ability to manage competing priorities and communicate technical information clearly.

Ability to work independently within established procedures and collaborate with IT staff and technical teams.

Preferred Qualifications

Bachelor's degree in Information Technology, Computer Science, or a related technical discipline.

CompTIA Linux+ or Security+ certification is a plus.

Familiarity with Bash or PowerShell scripting to automate routine administrative tasks.

Experience supporting manufacturing operations and technical teams.

U.S. Citizenship with Active Secret Security clearance and ability to maintain required clearance.

Work Environment & Expectations

Employees in these roles will work in a typical office environment, utilizing standard office equipment such as computers, phones, printers, and video conferencing tools. Responsibilities include regular use of computer software, engaging with diverse personnel, participating in meetings, and contributing to team objectives by delivering timely outcomes and generating reports. Key duties involve effectively receiving and communicating information.

The role may allow for occasional telework and may require flexible shifts or hours to meet organizational needs and business demands. Periodic travel may also be necessary to support assigned tasks.

About SimTech, Inc.

Founded in 1983, SimTech, Inc. is a Huntsville-based defense contractor providing advanced engineering, modeling and simulation, test and evaluation, cyber, hardware and software, and manufacturing solutions in support of our nation's defense.

SimTech continues to experience significant growth, expanding our workforce, programs, capabilities, and manufacturing operations over the past year.

Recognized as a Best Place to Work and a Best Place for Working Parents from 2022-2026, SimTech offers a competitive compensation and benefits package, exceptional retirement benefits, work/life balance, and opportunities for career growth.

Learn more about SimTech at www.simtechinc.com.

Equal Employment Opportunity and Affine Action Employer

SimTech, Inc. is an Equal Opportunity/Affirmative Action Employer. SimTech, Inc. is a committed EOE/Vet/Disabled employer.

Simulation Technologies, Inc. (SimTech) is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, [e-mail] and/or phone number (256.428.2910) to contact us about your interest in employment with SimTech.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. SimTech participates in E-Verify.