Senior IT Systems Administrator (REQ 339)

Overview Applied Physical Sciences (APS), a subsidiary of General Dynamics, is seeking a highly motivated and experienced Senior IT Systems Administrator to join our growing team. In this critical role, you will support and enhance enterprise-level information systems while driving the adoption of new technologies across the organization.

Job Functions And Responsibilities

• Contribute to IT and cybersecurity compliance initiatives, including NIST 800-171 and CMMC frameworks, by writing/revising policy, implementing processes, and maintaining audit records.
• Design, Deploy, implement, and support new technologies for both end users and administrators, across on-prem and cloud environments.
• Lead and support IT break/fix escalations, operations, updates, lifecycle refreshes, and add/change activities.
• Help manage records labeling and retention efforts.
• Manage and remediate vulnerabilities in CUI and higher classification networks to maintain a secure, compliant enterprise environment.
• Support cybersecurity monitoring, analysis, and response efforts.

Required Attributes And Skills

• Professional experience of 7 or more years is desired but may not be required in all circumstances.
• A strong track record supporting enterprise IT systems across desktop support, server administration, virtualization, compliance, and cybersecurity operations.
• Experience with end-user support, break/fix tasks, and routine IT operations.
• Experience evaluating and implementing new systems based on business needs.
• Familiarity with Microsoft 365 administration and enterprise Windows environments.
• Experience supporting IT regulatory compliance programs (e.g., NIST 800-171, CMMC).
• Ability to obtain and maintain a DoD Secret security clearance (U.S. citizenship required).

Preferred Attributes And Skills

• Experience with Microsoft Purview and data governance programs, both designing and implementing them.
• SIEM experience and comfort investigating security alerts.
• Linux administration capability in an enterprise setting.
• Experience managing a Microsoft 365 GCC-High tenant.
• Knowledge of L2/L3 networking.
• Familiarity with Tenable.SC or Nessus vulnerability platforms.
• Strong documentation and communication skills.

This position is located in the Groton, CT office.

APS, a wholly owned subsidiary of the General Dynamics Corporation, offers competitive salaries, excellent benefits, and comfortable working conditions. Candidates must possess or be able to obtain a DoD security clearance. Please note, obtaining a security clearance is a condition of employment which typically requires US citizenship and a thorough background investigation. Qualified applicants are invited to submit a resume and application online at  www.aphysci.com , fax them to 860-495-1744, Attn: Human Resources, or mail to the company address. Please reference the requisition number and title of the position in the subject line of your submission.

EOE: Vet/Disability Invitation to Self-Identify In keeping with our commitment to Equal Employment Opportunity (EEO), Applied Physical Sciences invites all applicants to self-identify pre-offer as a protected veteran and/or an individual with a disability.

Invitation to Self-Identify as Protected Veteran Online Form Invitation to Voluntary Self-Identification of Disability Online Form