System Administrator Job at Aero Simulation, Inc. (ASI) (Tampa)

Job Description

The System Administrator supports, secures, and modernizes the company’s IT infrastructure in a regulated U.S. Defense Industrial Base (DIB) environment. This role is part of a small, collaborative IT team and is expected to take ownership of one or more defined technical domains while also contributing to general systems administration and organizational end-user support.

Job Responsibility

Administer on-premises and hybrid infrastructure, including: Microsoft Azure and Microsoft 365, Active Directory, Hyper-V virtualized environments, Windows Server systems
Monitor system health, performance, and capacity
participate in lifecycle planning and upgrades
Support backup, recovery, and disaster recovery processes in alignment with business and compliance requirements
Create and maintain technical and procedural documentation to support operational continuity and audit readiness
Participate in change management routines to ensure controlled and documented system changes
Provide support for internal users as needed, including issue escalation from the helpdesk
Work closely with IT management, security/compliance personnel, and HR on access provisioning, policy enforcement, and onboarding/offboarding
Administer and support Microsoft 365 GCC High tenants in compliance with DoD, CMMC, and contractual requirements
Configure and manage security, compliance, and governance capabilities, including: Microsoft Purview (eDiscovery, Information Protection, DLP, retention), Microsoft Intune (endpoint compliance, configuration profiles, conditional access support), Microsoft Sentinel (log ingestion, alerting, and basic security operations support)
Support identity and access management using Entra ID (Azure AD), including role-based access control, MFA, and conditional access policies
Assist with audit preparation, evidence collection, and continuous compliance monitoring activities
Support and maintain TCP/IP networking and security infrastructure, including: Firewalls and network devices from Cisco, Aruba, and Palo Alto, VLANs, routing, VPNs, and access control policies
Assist with firewall rule reviews, documentation, and change management
Collaborate with security and compliance stakeholders to ensure network configurations align with CMMC and NIST SP 800-171 requirements
Support endpoint lifecycle management for Windows systems, including provisioning, configuration, patching, and decommissioning
Develop and maintain scripts and automation (e.g., PowerShell) to improve operational efficiency and consistency
Assist with configuration baselines and secure system hardening in alignment with compliance requirements

Requirements

Seven (7) or more years of progressively responsible experience in systems administration or related IT roles
Strong understanding of Windows-based enterprise environments
Demonstrated experience operating in a regulated or compliance-driven environment (Defense Industrial Base strongly preferred)
Familiarity with NIST SP 800-171, CMMC, or similar security frameworks
Bachelor’s degree in a technical discipline (e.g., Information Technology, Computer Science, Cybersecurity), or equivalent experience
CompTIA Security+ required or must be obtained within six (6) months of hire
U.S. Citizenship Required
Must be able to successfully pass an initial background screening
Must be able to obtain and maintain an active Department of Defense (DoD) security clearance
Must be able and willing to travel domestically and, on occasion, internationally
Must pass pre-employment and random drug testing
Ability to sit, stand, and walk for extended periods
Ability to use hands and fingers to handle, feel, and operate tools, equipment, and computer peripherals
Ability to communicate effectively in person, over the phone, and in writing
Visual acuity required to perform inspections, read drawings, specifications, and computer screens
Ability to work in a manufacturing environment with varying noise levels, temperatures, and activity

Nice to have

Hands-on experience administering Microsoft 365 GCC High
Experience with Microsoft Purview, Intune, and/or Sentinel in a compliance-focused environment
Networking and firewall experience with Cisco, Aruba, and/or Palo Alto platforms
Scripting or automation experience (PowerShell strongly preferred)
Prior experience supporting audits, assessments, or compliance evidence collection
Relevant certifications preferred (e.g. Microsoft, Cisco, Palo Alto, or similar)

What we offer

Employee Stock Ownership Plan (ESOP)
Flexible work environment
Generous paid time off
Professional development opportunities
Industry competitive compensation
Medical benefits
Dental benefits
401k

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