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AT Process Technologies

IT Administrator

System AdministrationConfirmed live in the last 24 hours
Full-timeWaltham, MA, USA$100k - $150k /yr

About the Job

Requirements

  • A bachelor's degree in Information Technology, Computer Science, Cybersecurity, or a related discipline, or equivalent experience.
  • At least 5 years of professional experience in systems administration or IT infrastructure.
  • High proficiency with Microsoft 365 and Entra ID.
  • Hands-on experience implementing NIST SP 800-171 or CMMC controls.
  • Experience with endpoint management using Intune or an equivalent, and enterprise networking.
  • Demonstrated experience owning an IT environment end-to-end, from architecture through audit.
  • Strong written documentation skills.
  • Strong problem-solving and debugging skills.
  • Ability to lift 50 pounds.
  • U.S. Person status and ability to obtain a security clearance.
  • Ability to work on-site and travel as needed.
  • To meet U.S. Government export regulations, applicants must be a U.S. citizen or national, U.S. lawful permanent resident, refugee under 8 U.S.C. § 1157, asylee under 8 U.S.C. § 1158, or eligible to obtain the required authorizations from the U.S. Department of State.

Responsibilities

  • Design, implement, and maintain organization-wide IT infrastructure, including cloud tenants, identity, endpoints, networking, and collaboration tools.
  • Administer the Microsoft GCC High environment, including Entra ID, Intune, Exchange Online, Purview, and Defender.
  • Own identity and access management, including single sign-on, SCIM provisioning, multifactor authentication, conditional access, and least-privilege controls across SaaS and development platforms.
  • Lead CMMC Level 2 readiness, including the System Security Plan, POA&M, NIST SP 800-171 control implementation, and evidence collection for assessment.
  • Implement DFARS 252.204-7012 requirements, including CUI handling, FIPS 140-validated encryption, and cyber incident reporting.
  • Maintain the Technology Control Plan and enforce ITAR access controls across digital and physical systems.
  • Architect network segmentation between corporate IT and OT/SCADA environments supporting production modules.
  • Manage relationships with the managed service provider, compliance partners, and IT vendors, including tracking inherited controls from FedRAMP-authorized providers.
  • Author and maintain IT policies, procedures, and security awareness training.
  • Lead incident response, root cause analysis, and corrective actions for security events and infrastructure issues.
  • Supervise and mentor IT helpdesk staff.

Desired Qualifications

  • GCC High experience.
  • Five to ten years of relevant industry experience.
  • Experience supporting a C3PAO assessment or DIBCAC audit.
  • Experience securing OT/ICS environments, such as Ignition or Siemens, or equivalent.
  • CMMC CCP/CCA, Security+, CISSP, or Microsoft Azure/M365 administrator certifications.
  • Experience in defense, aerospace, energetics, or other regulated manufacturing environments.

About the Company

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