On-Site IT Manager — Lead Secure On-Prem Infra

APCON; United States; On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Medical and dental coverage

401(k) plan with company match

Professional development program

Volunteer time off

On-site exercise facility

Job summary

APCON is seeking an experienced IT Manager to lead a small technical team and manage on-premises infrastructure across multiple sites. The role emphasizes security, reliability, and uptime for Windows Server 2019 environments, active directory services, and core Microsoft stack.

This is a fully on-site position with a strict work-week schedule. Ideal candidates will have 7+ years in related roles and 5+ years of leadership experience, with CCNP/CCNA or equivalent certifications highly desired.

Qualifications

• 7+ years in network engineering, system administration, or similar technical roles.
• 5+ years of IT team leadership or management experience.
• Proven experience securing and maintaining on-prem environments.
• Strong expertise with firewalls, IDS/IPS, network segmentation, and threat mitigation.
• Hands-on experience with Windows Server 2019, virtualization, and multi-site redundancy.
• Proficiency with Active Directory, Exchange, IIS, and Linux systems.
• Experience with network monitoring tools and enterprise infrastructure management.
• CCNP, CCNA, or equivalent network security certification highly desired.

Responsibilities

• Lead APCON's IT team, providing technical direction, mentorship, and performance development.
• Manage APCON's fully on-prem infrastructure, including Windows Server 2019, virtualization, storage, and multi-site redundancy.
• Administer and harden firewalls, VPN, routing, and perimeter security; maintain a strong and measurable security posture.
• Oversee Active Directory, Exchange, IIS, and core Microsoft server services.
• Conduct ongoing risk assessments, vulnerability mitigation, and infrastructure lifecycle planning.
• Lead incident response, root-cause analysis, and remediation.
• Maintain and test backups, disaster recovery, and business continuity plans.
• Develop and enforce IT policies, procedures, and change-management standards.
• Collaborate with internal teams to support system requirements and ensure reliable service delivery.
• Coordinate installation, configuration, and integration of internal systems and tools

Skills

Team leadership

Network security

On-prem infrastructure

Firewall administration

Active Directory

Windows Server 2019

Vulnerability assessment

CCNP/CCNA desired

Education

Bachelor's degree in Information Science/Computer Science

Tools

Exchange

IIS

Linux

VMware/ virtualization

Job description

APCON is seeking an experienced IT Manager to lead a small technical team and manage on-premises infrastructure across multiple sites. The role emphasizes security, reliability, and uptime for Windows Server 2019 environments, active directory services, and core Microsoft stack.

This is a fully on-site position with a strict work-week schedule. Ideal candidates will have 7+ years in related roles and 5+ years of leadership experience, with CCNP/CCNA or equivalent certifications highly desired.