IT Support Specialist

STR is seeking an IT Support Specialist with ACTIVE SECRET CLEARANCE to play a hands-on role in keeping our employees productive and our technology running smoothly. In this role, you’ll be the front line of IT support-solving problems, supporting local and remote staff, and partnering with a collaborative IT team in a mission-driven, technical environment.

If you enjoy troubleshooting, working directly with users, and learning new technologies, this role offers meaningful impact and growth.

What You’ll Do

• Provide first-line IT support to local, remote, and mobile employees by diagnosing and resolving hardware, software, and system issues
• Troubleshoot and resolve issues across Windows, macOS, and Linux environments
• Provision and configure laptops, desktops, mobile devices, phones, and voicemail
• Create, maintain, and deploy Windows and macOS system images
• Manage user accounts, permissions, and access in Active Directory and Linux environments
• Maintain accurate inventory of hardware, software, and licenses
• Document solutions and procedures in the IT knowledge base
• Administer and support the IT service management (ITSM) system
• Support office technology including scanners, printers, and workstations
• Assist with onboarding, offboarding, and intern program IT support
• Collaborate with the IT team on broader infrastructure, server, and network support
• Participate in occasional off-hours or on-call support as needed

• Active Secret security clearance (U.S. citizenship required)
• Minimum High School Diploma or equivalent
• Hands-on experience providing desktop or helpdesk IT support
• Strong troubleshooting and customer service skills
• Experience supporting Windows, macOS, and Linux operating systems
• Familiarity with Active Directory user administration
• Ability to manage multiple priorities in a fast-paced environment, * 3+ years of IT support or helpdesk experience
• Experience supporting engineering and business applications (e.g., Microsoft Office, MATLAB, Visual Studio, VMware)
• Experience supporting Dell and Apple hardware
• Intermediate Active Directory skills (users, groups, printers, resources)
• IT certifications such as Network+, Security+, or Linux+
• Strong documentation, organization, and time-management skills
• Collaborative, adaptable, and eager to learn

Full-Time Salary Range: $72,000 - $90,000

The salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate’s experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.

STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.

STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.

STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can’t do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at for more info.