Systems Administrator

Thales Defense & Security, Inc.; Clarksburg (MD); Hybrid; USD 90,000 - 115,000; Full time

Benefits offered by this job

Competitive Salary

Yearly Incentive Compensation Plan

Medical insurance for self and family

Generous 401(k) up to 7% company match

Tuition Reimbursement

Paid wellness, vacation, and holiday

Paid maternity, paternity, and family/

9/80 Work Schedule (every other Friday

Job summary

Thales Defense & Security, Inc. in Clarksburg, MD, is seeking a System Administrator to join the IT Network Operations team.

You will maintain and support Windows Server environments, NAS/SAN storage, and cloud services, while working with Azure GCC High and Intune in a hybrid, security-conscious setting. Candidate should have 3–6 years in IT infrastructure, a 4-year IT degree or equivalent, and strong problem-solving skills.

Qualifications

• 4-year IT degree or equivalent IT work experience required.
• 3–6 years of IT infrastructure operations experience.
• Strong troubleshooting and documentation skills.
• Experience with Windows Server 2016/2019 and Active Directory.

Responsibilities

• Maintain and support Windows Server environments (physical and virtual).
• Support Nutanix hosts and virtual infrastructure under guidance of senior engineers.
• Administer AD, DNS, DHCP, and GPOs across domains (on-prem and cloud).
• Manage storage solutions (NAS/SAN) and data backup (Commvault).
• Support Microsoft 365 GCC High tenant operations (Intune, Exchange Online).
• Assist with Azure GCC High services and hybrid cloud workloads.

Skills

Windows Server administration

PowerShell scripting

Azure/Cloud basics

Networking fundamentals

Security awareness

Education

Bachelor's degree in Information Technology or related field

4-year IT degree or equivalent IT work experience

Tools

Nutanix

Commvault

Microsoft 365 GCC High

Intune

JSM ticketing

Job description

Req Id: 542

Location: CLARKSBURG, MD, US, 20871

Date: Nov 10, 2026

Thales Defense & Security, Inc. (TDSI) Headquartered in Clarksburg, MD, is a U.S. company that has been serving domestic and international defense Air, Land and Sea domains for 60+ years. With over 1,000 employees, TDSI and its four subsidiaries (Advanced Acoustic Concepts, Digital Receiver Technology, Tampa Microwave, and Trusted Cyber Technologies), supports U.S. Joint Services, special operations forces and multi-national partners with a variety of communication, visualization, signal intelligence/electronic warfare, and sensor/sonar capabilities. TDSI's key technologies include tactical handheld radios, expeditionary satellite terminals, helmet-mounted displays, optics and target recognition capability, advanced radars, undersea sensing and missile systems. Lives depend on what we do!

Top Benefits (Subject to terms of applicable policies/plans)

• Competitive Salary
• Yearly Incentive Compensation Plan
• Medical insurance for self and eligible family members
• Generous 401(k) program- up to 7% company contribution and 100% immediate vesting
• Tuition Reimbursement
• Paid wellness, vacation, and holiday leave
• Paid maternity, paternity, and parental leave
• 9/80 Work Schedule (every other Friday off)
• Hybrid working environment

We have an exciting opportunity for a System Administrator in our Clarksburg, MD office in our IT Network Operations team.

Responsibilities

• Maintain and support physical and virtual servers operating Windows Server and currently supported versions.
• Support Nutanix hosts and virtual infrastructure under the guidance of senior engineers.
• Support Windows infrastructure services including Active Directory, DNS, DHCP, and Group Policy Objects (GPOs) across multiple domains, both on-premise and cloud-hosted.
• Administer, troubleshoot, document, secure, and implement hardware, operating systems, and supporting software for Windows-based systems.
• Increase day-to-day operational efficiency and accuracy through the use of automated tools and scripts (PowerShell preferred).
• Contribute to data center architectural planning with senior team members and management.
• Manage and maintain NAS, SAN, and virtualized storage solutions.
• Provide technical support for storage and backup management and monitoring solutions, including Commvault.
• Support Microsoft 365 GCC High tenant operations, including Intune, Exchange Online, and related services under the guidance of senior staff.
• Support Azure GCC High services and hybrid cloud workloads as part of enterprise infrastructure operations.
• Manage and maintain the above across multiple domains and both isolated and non-isolated networks.
• Work with team members, management, and stakeholders to support business requirements and resolve systems issues.

Qualifications

The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• U.S. Citizenship required. Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information.
• 4-year IT degree or equivalent IT work experience.
• 3-6 years of experience in IT infrastructure operations
• Basic knowledge of SQL or relational databases: ability to write simple SELECT queries, understand tables/views, and follow existing backup or job procedures. Full DBA experience is not required.
• Experience utilizing a ticketing system (JSM or equivalent).
• Working knowledge of Windows Server 2016 and 2019.
• Strong troubleshooting skills and the ability to grasp new concepts quickly.
• Proficient oral and written communication skills.
• Positive attitude and ability to work with Helpdesk, Sysadmin, AppDev, and other teams.
• Ability to lift up to 50 lbs with or without assistance (occasional hardware handling).
• Ability to comply with all Company guidelines, policies, procedures and embrace Company Core Values.

Preferred Qualifications

• Bachelor's degree in Information Technology or related field.
• Experience supporting project work or coordinating with stakeholders on systems changes

The annualized pay range for this role is $ 90,000 - $ 115,000 USD along with a target incentive compensation plan (ICP) of 5%. The pay range provided is a good faith estimate representative of the experience level for the role described above. TDSI considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

For specific questions about this job posting, candidates may contact talent acquisition at [e-mail].

Thales Defense & Security, Inc. is committed to non-discrimination as applicable under federal, state and local laws. We are an E-Verify Employer.

If you need an accommodation or assistance in order to apply for a position with Thales Defense & Security, Inc., please call Human Resources at 240-864-7000

Nearest Major Market

Washington DC