IT Security · Networking · Systems Administration

Jacob Herren

Jacob
Herren

IT Infrastructure and Security professional with 5+ years of experience across manufacturing and MSP environments. Specializing in network security, endpoint management, and ISO 27001 implementation.

// Austin, Texas · Open to opportunities

View Experience Get in Touch
ISC² SSCP AWS CCP PenTest+ CySA+ Security+ Network+ A+ Project+ ITIL 4

01 — About

IT Infrastructure and Security professional with 5+ years of experience across manufacturing and MSP environments. Proven track record owning full-scope IT operations — from network design and endpoint management to ISO 27001 certification and enterprise security stack deployment.

Marine Corps veteran with a Top Secret clearance background, bringing discipline, precision, and mission-critical thinking to every environment. Hands-on with Cisco, Fortinet, Microsoft 365, NinjaOne RMM, SentinelOne EDR, and Intune.

Network Security ISO 27001 Endpoint Management Cisco / Fortinet Microsoft 365 Azure SentinelOne EDR NIST / MITRE Incident Response VMware vSphere
5+
Years of Experience
9
CompTIA / ISC² Certifications
350+
Endpoints Managed
TS
Security Clearance (USMC)

02 — Experience

Seoyon E-Hwa Texas
Sep 2024 – May 2026
Hutto, TX
Assistant IT Manager
  • Supported ISO 27001 implementation and certification, establishing security controls, policies, and audit readiness across the organization
  • Deployed enterprise security stack (RMM, EDR/AV, NAC, DLP, MFA), improving endpoint visibility and strengthening threat detection
  • Designed segmented network infrastructure using VLANs, NAC, and secure wireless, reducing attack surface and strengthening access control
  • Built high-availability network infrastructure with redundant ISPs and failover systems for continuous manufacturing uptime
  • Automated provisioning of Zebra printers, scanners, industrial PCs, and production devices, reducing deployment time by 50%
  • Created and maintained network diagrams and technical documentation, improving infrastructure visibility and standardization
  • Developed IT asset lifecycle and inventory system, improving hardware tracking and standardizing deployment procedures
Renaissance Systems, Inc.
Aug 2023 – Sep 2024
Austin, TX
Systems Engineer
  • Deployed firewalls, switches, wireless access points, and point-to-point links, strengthening client network infrastructure
  • Led Microsoft Exchange to Microsoft 365 migration projects, driving cloud adoption and reducing legacy infrastructure reliance
  • Managed security patching and maintenance across 350 endpoints and 150 VMware vSphere and Azure VMs
  • Executed 10 network refresh and infrastructure upgrade projects with segmentation, ISP redundancy, and EDR solutions
  • Performed vulnerability assessments and penetration testing, remediating findings aligned with governance standards
  • Configured and managed Veeam data backup and multi-site replication for 35 virtual servers
CISOSHARE
May 2020 – Jul 2020
Austin, TX
Cybersecurity Intern
  • Remediated SOC report findings using Qualys, strengthening vulnerability management processes
  • Developed Third-Party Risk Management assessments aligned with NIST and ISO frameworks
  • Supported security policy development and compliance documentation for client environments
U.S. Marine Corps
Jul 2011 – Jul 2016
Zimbabwe · Israel · Senegal
Security Operations Specialist
  • Provided internal security at U.S. embassies and consulates worldwide, protecting classified information and personnel
  • Maintained Top Secret security clearance throughout service

03 — Skills

Infrastructure

Network Administration

TCP/IP, DHCP, DNS, LAN/VLAN, Cisco switches, WLC, firewalls, Fortinet FortiGate, VoIP

Systems

Endpoint Management

Windows Server, Linux, macOS, Microsoft 365, OS patching, MDM, NinjaOne RMM, VMware vSphere, Azure, VDI

Security

Security Stack

IDS/IPS, VPNs, SentinelOne EDR, Genian NAC, Cisco Duo MFA, Microsoft Defender, Qualys, 1Password

Frameworks

Compliance & IR

NIST, ISO 27001, MITRE ATT&CK, incident response & management, audit readiness

Operations

IT Operations

Hardware & software troubleshooting, asset lifecycle, technical documentation, vendor management, onboarding/offboarding

Support

Helpdesk & End User

ConnectWise ITSM, helpdesk ticketing, A/V setup & support, Microsoft Intune, Apple Business Manager, end user training

04 — Certifications

ISC²
SSCP
Amazon Web Services
AWS Cloud Practitioner
CompTIA
PenTest+
CompTIA
CySA+
CompTIA
Security+
CompTIA
Network+
CompTIA
A+
CompTIA
Project+
Axelos / PeopleCert
ITIL 4 Foundation

05 — Education

2023
B.S. Cybersecurity and Information Assurance
Western Governors University
Focus on cybersecurity, network security, and information assurance
2021
B.A. Government
The University of Texas at Austin
Minor in Business, Texas McCombs · Security Studies Certificate, Clements Center for National Security

06 — Projects

// Project showcase coming soon —
documentation and case studies in progress

07 — Contact

Let's
Connect.

Open to discussing IT security and infrastructure roles, consulting opportunities, or just connecting with others in the field.