IT Infrastructure & Security Administrator

Job Description

Job Description

AMT, Inc. is seeking a mid-level IT Infrastructure & Security Administrator to serve as the primary backup and operational partner to our Infrastructure & Security Lead. This person will own day-to-day infrastructure operations, support our CMMC compliance journey, and bring working knowledge of AI tools, scripting, and modern server environments. This is a high-visibility role with a direct path toward senior leadership as the firm continues to grow. Position can be based out of any of our offices in the DMV (Maryland, DC, VA).

Why This Role?:

• Direct mentorship from an experienced IT director with 20+ years at the firm
• Opportunity to grow into a senior or lead infrastructure role as the team expands
• Involvement in firm-wide strategic technology initiatives including AI, CMMC, and ERP
• Competitive compensation, ESOP participation, MIP bonus program, and full benefits
• Hybrid schedule with a collaborative, people-first team culture

Responsibilities

• Manage and monitor servers, networks, and cloud infrastructure across multiple office locations
• Serve as primary backup for all infrastructure and security functions, including on-call coverage during evenings and weekends on a rotating basis
• Support and help advance CMMC Level 1 and Level 2 compliance efforts, including documentation, policy enforcement, and staff training
• Assist in managing Microsoft 365 environment including Teams, SharePoint, OneDrive, and Entra ID
• Maintain and improve cybersecurity posture — endpoint protection, SIEM monitoring, vulnerability management, and incident response
• Support the buildout and management of a formal after-hours helpdesk rotation system
• Contribute to AI tool evaluation, deployment, and internal training initiatives
• Support office infrastructure needs across outlying locations including occasional travel

Qualifications

• 5-8 years of experience in IT infrastructure, systems administration, or security engineering
• Hands-on experience with Windows Server, Active Directory, Microsoft 365, and cloud environments (Azure preferred)
• Scripting or programming ability (PowerShell, Python)
• Working knowledge of network administration — firewalls, switching, VPN, DNS/DHCP
• Familiarity with cybersecurity frameworks — NIST, CMMC, or similar
• Strong problem-solving skills with the ability to work independently under pressure
• Excellent communication skills — able to explain technical issues to non-technical staff

• Preferred
• Experience with CMMC compliance implementation
• Familiarity with AI tools and their practical application in a business environment
• Experience with CrowdStrike or similar enterprise backup/security tools
• Relevant certifications: CompTIA Security+, Microsoft certifications, CISSP, or equivalent

Why Join AMT? At AMT, we understand that our most valuable asset is our staff. For 70 years, we have worked diligently to build a team of talented employees who fully embody our values as an organization – values such as teamwork, integrity, and innovation. Now that we have transitioned into an employee-owned firm, we are excited to place the future of AMT into over 500 sets of dedicated hands. The AMT Difference Our company culture is characterized by a workforce that holds the highest standards of ethics and integrity, focused client care, and commitment to AMT's Core Values of safety, respect, integrity, commitment, quality, teamwork. leadership, responsibility, and profitable growth. Operating as an ESOP allows us to reward our dedicated and loyal employees with additional benefits from the company’s stock as well as an incentive to continue building a high-performance ownership culture. To strengthen and support its employees, AMT invests in programs and processes to sustain an engaging work environment. AMT also recognizes the importance of employee benefits and policies and remains committed to providing programs that are both comprehensive and competitive in the industry. Competitive Benefit Package To strengthen and support its employees, its greatest asset, AMT invests in programs and processes to sustain an engaging work environment. AMT also recognizes the importance of employee benefits and policies and remains committed to providing programs that are both comprehensive and competitive in the industry. With AMT, you will get: • Tiered medical coverage • Dental/Vision • 401(k) with a generous 6% Company Match • Short- and long-term disability • College savings plan • Life insurance • Paid time off • Holidays • Training/Certifications

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.