Associate System Administrator

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We’re a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies – collaborating with industry and academia to deliver integrated, high-impact solutions that advance our nation’s health, security, and prosperity.

Our people tackle the toughest technical challenges, supported by competitive benefits, meaningful career development, and a culture of innovation, collaboration, and technical excellence. Choose MITRE for a career with purpose — and help shape the future.

MITRE Mission Computing is a new organization that bridges the gap between Mission and Technology and helps enable MTIRE projects to focus on their work, without worrying about compliance and the underlying platform infrastructure. We apply new technologies that can address the Government's most challenging Systems Engineering problems. This is an opportunity for experienced platform engineers who are highly motivated, innovative, and proactive and interested in owning and maintaining their work to enable the rest of MITRE and sponsors.

We are seeking a Jr Systems Administrator to join a secure, compliant enterprise platform team
, delivering infrastructure for mission-critical workloads.

This role sits at the front of the platform lifecycle, combining technical expertise with customer-facing responsibilities. The engineer will support customer onboarding, solution scoping, and delivery of compute environments aligned with security and compliance requirements.

This is a high-impact role requiring both technical depth and clear communication with customers and internal teams.

• Handle tier 1 support inquiries (tickets) from our internal customers.
• Assist in the installation, configuration, and maintenance of hardware and software systems.
• Perform routine system updates, patches, and upgrades.
• Monitor system performance and troubleshoot issues to ensure optimal functionality.
• Assist in managing and troubleshooting desktops, servers and network devices.
• Collaborate with senior administrators on projects.
• Provide technical support to end-users by troubleshooting hardware and software problems.
• Assist in setting up and configuring system builds for users, projects and labs.
• Maintain accurate documentation of system configurations, procedures, and troubleshooting steps.
• Collaborate with cross-functional teams to identify and implement technology solutions that support business objectives.
• Assist in evaluating and recommending IT hardware and software purchases.

• Typically requires less than 1 year of related experience with a related Bachelor’s degree, or equivalent combination of related education and work experience.
• Familiarity with Windows and Linux operating systems.
• Strong understanding of computer systems, networking, and IT infrastructure.
• Basic knowledge of virtualization technologies (e.g., VMware, Hyper-V).
• Basic understanding of Ansible, Puppet or other configuration management tools a plus.
• Proficiency in troubleshooting hardware and software issues.
• This position requires a minimum of 4 days a week on-site.

• Customer service experience a plus.
• Strong written communication skills.
• Ability to work well in a team and independently.
• Strong problem-solving skills and attention to detail.
• Eagerness to learn and adapt to new technologies.
• Any relevant certifications (e.g., CompTIA A+,…