Senior Manager, IT Infrastructure & Security, Clearwater, FL

About TECfusions

TECfusions quite simply means the fusion of Technologies, Environmental Protection, and the support of our communities. Technology does not need to impair the communities where the back-end processes take place… “the dirty side of IT.”

TECfusions tackles real data problems such as the need for more space, reliable sustainable energy, environmental conditioning, overcoming energy scarcity, environmental damage, and use of community resources with proven practices.

We achieve these goals by implementing illuminating ideas, processes, and solutions to provide energy-reliable infrastructure through architectural, agricultural, and engineering processes to meet all our global challenges.

We welcome all to join us on this journey to embrace technology while repairing our fragile planet.

The Role

TECfusions is hiring a Senior Manager, IT Infrastructure & Security to provide senior-level, hands-on leadership across the company’s internal IT environment.

The role spans infrastructure, systems administration, user support, IT security, and compliance. This individual will help stabilize, scale, and secure the internal IT environment while supporting a growing organization with increasing expectations around security, audit readiness, and operational maturity.

Experience working within ISO-driven environments, particularly as it relates to IT security controls and audit readiness, is highly valuable.

Responsibilities

IT Infrastructure & Systems Administration

Provide senior-level oversight and hands-on support for internal IT systems and infrastructure
Administer networks, endpoints, collaboration tools, and user environments
Manage hardware, software, provisioning, and system access
Ensure stability, performance, and reliability of day-to-day IT operations
Troubleshoot and resolve escalated technical issues
Coordinate with vendors and service providers

IT Security & Risk Management

Support and maintain the security of internal systems, networks, and endpoints
Implement and uphold IT security policies and controls
Identify risks and vulnerabilities and drive remediation
Manage access controls, permissions, and system integrity
Support incident response readiness and security awareness efforts

ISO / Compliance / Audit Support

Support IT-related compliance efforts, including ISO-aligned practices
Prepare for and participate in audits and control reviews
Maintain policies, procedures, documentation, and audit evidence
Ensure alignment with internal controls and security standards
Partner cross-functionally to address gaps and improve processes
Exposure to ISO 27001 environments strongly preferred

Operational Support & Process Improvement

Act as a senior escalation point for internal IT needs
Build and improve scalable IT processes
Identify opportunities to enhance efficiency, security, and user experience
Balance responsiveness with structure in a fast-moving environment

Cross-Functional Partnership

Partner with internal teams across the business to support operations and growth
Support onboarding, offboarding, access management, and asset control
Translate technical needs into practical business solutions
Help mature IT practices in a secure and scalable way

Profile

8–12+ years of progressive IT experience
Strong background in infrastructure, systems administration, and IT operations
Experience working in lean environments with high ownership
Solid understanding of IT security and risk management
Experience supporting compliance, audits, and documentation
Familiarity with ISO-related IT security requirements; ISO 27001 preferred
Comfortable operating as the senior day-to-day IT resource
Strong troubleshooting and problem-solving skills
Experience managing vendors, systems, and user environments
Strong documentation and process discipline
Clear communicator with a practical, solutions-oriented approach

Preferred Background

Exposure to Microsoft environments, identity/access management, and endpoint tools
Experience with security tools and formalized IT controls
Experience building or maturing IT functions in a growing company

TECfusions is an Equal Opportunity Employer.

TECfusions

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Senior Manager, IT Infrastructure & Security