• Administer and maintain Microsoft Defender XDR and Microsoft Purview.
• Manage Microsoft Entra ID security controls, including Conditional Access.
• Monitor, investigate, and respond to cybersecurity incidents and vulnerabilities.
• Support vulnerability identification, remediation, and ongoing security management.
• Maintain technical security controls supporting ARM's CMMC compliance requirements.
• Assist in maintaining secure system configurations and cybersecurity standards across the organization.

• Administer ARM's cloud-hosted repository server infrastructure.
• Manage and maintain Linux server/system environments.
• Administer and support network infrastructure.
• Monitor system performance, availability, and security.
• Troubleshoot infrastructure and systems-related issues and implement appropriate resolutions.
• Support the reliability and operational continuity of ARM's technology environment.

• Collaborate with the User Systems Administrator on Microsoft Intune and Autopilot configuration and system deployment.
• Support secure identity and access management practices within Microsoft Entra ID.
• Assist with the implementation and maintenance of security policies affecting endpoints, identities, and enterprise systems.

• Maintain technical controls and system configurations required to support CMMC compliance.
• Collaborate with the Director of Information Technology and other IT team members on cybersecurity, infrastructure, and compliance initiatives.
• Support documentation and technical evidence associated with cybersecurity and compliance activities.
• Participate in incident response, risk mitigation, and continuous improvement activities.

• Associate or Bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related field, or equivalent relevant experience.
• Five (5) or more years of systems administration experience.
• Experience administering Microsoft 365 security technologies.
• Experience managing network infrastructure.
• Experience administering Linux systems.
• Demonstrated ability to troubleshoot complex systems, infrastructure, and security-related issues.
• Strong organizational, analytical, documentation, and communication skills.
• Ability to work collaboratively across technical and non-technical teams.

• Microsoft security certification(s).
• CompTIA Security+, Network+, Linux+, or comparable certification(s).
• Experience administering AWS environments.
• Experience supporting GitHub Enterprise.
• Experience with Microsoft Defender XDR, Purview, Entra ID, Conditional Access, Intune, and/or Autopilot.
• Experience working in a CMMC, NIST SP 800-171, or similarly regulated cybersecurity environment.
• Experience supporting cybersecurity incident response and vulnerability management.

• Enjoy 4 weeks of paid vacation from your first year, 11 paid holidays, 5 floating holidays annually
• Company-paid Short-Term Disability (STD), Long-Term Disability (LTD), and Life Insurance on day one
• Enroll in Medical, Dental, and Vision insurance with health savings plan options beginning the first day of the month following your hire date.
• Receive a $100 monthly communication allowance and a one-time $500 home office stipend to support your remote work environment.
• Receive employer retirement contributions equal to 8% of your salary beginning after your first month of employment. Employer contributions become fully vested after three years.
• Receive up to 2 weeks of paid parental and family leave, including paid bonding leave, after 6 months of employment.
• ARM proudly supports those who serve by providing up to 30 days of paid military leave each year.

We believe diversity is essential to our organization’s growth and success and strive to create an inclusive, accepting culture and seek individuals of all backgrounds to join our innovative organization. ARM is an equal opportunity employer.