Cybersecurity & Network Systems Specialist II

Render Security Engineering LLC; Hawaii; On-site; USD 80,000 - 100,000; Full time

Job summary

Render Security Engineering LLC seeks a Computer Security Systems Specialist to join the NAWC team aboard Marine Corps Base Hawaii Kaneohe Bay. This on-site role supports IT networking, system administration, and secure communications for mission-critical operations.

You will design and manage networks and servers (Cisco/Fortinet/Juniper; Windows/Linux), run vulnerability scans, enforce DISA STIGs, manage virtualization (ESXi/vCenter), and mentor staff while holding TS clearance and DoD

Qualifications

• Minimum 5 years combined network and system administration experience.
• Strong knowledge of routing protocols and networking technologies such as OSPF, RIP, VRF, VLAN, MPLS, IP multicast, IP QoS, IPSec.
• Experience in Windows and Linux administration, patch management, and enterprise integration.
• Hands-on with enterprise network hardware, virtualization platforms, and security compliance frameworks.
• Proficiency in vulnerability scanning, DISA STIG compliance, and security hardening per DoD standards.
• Ability to troubleshoot complex, multi-layer technical issues in mission-critical environments.
• Excellent documentation and configuration control practices.
• Active DoDD 8140/DoD 8570 certification.
• Excellent written and verbal communication.
• Experience with Microsoft Visio.
• Must possess and maintain TS clearance.
• Security+, CCNA, CCNP, GVF certifications.

Responsibilities

• Design, configure, maintain, and troubleshoot IP networks using Cisco, Fortinet, and Juniper devices.
• Administer Windows domains, including OU management, Group Policy, WSUS, and AD maintenance.
• Manage Linux servers, including patching, configuration management, and performance tuning.
• Implement and maintain virtualization infrastructure (vCenter, ESXi, virtual distributed switches, VMs).
• Conduct vulnerability scanning with ACAS/Nessus and enforce DISA STIG compliance.
• Implement, monitor, and maintain network and system security measures across platforms.
• Maintain detailed documentation for TDPs, wiring layouts, and configuration baselines.
• Lead technology refresh projects, hardware swaps, and lifecycle upgrades.
• Mentor and supervise subordinate technical personnel.

Skills

Network administration

Windows administration

Linux administration

Virtualization

Vulnerability scanning

DISA STIG compliance

DoD 8140/8570 cert

TS clearance

Security+

CCNA

CCNP

GVF certifications

Education

Bachelor’s degree in Engineering or IT

Tools

Cisco hardware

Fortinet

Juniper hardware

VMware vCenter/ESXi

ACAS/Nessus

Evaluate-STIG

Active Directory/WSUS

Job description

Render Security Engineering LLC seeks a Computer Security Systems Specialist to join the NAWC team aboard Marine Corps Base Hawaii Kaneohe Bay. This on-site role supports IT networking, system administration, and secure communications for mission-critical operations.

You will design and manage networks and servers (Cisco/Fortinet/Juniper; Windows/Linux), run vulnerability scans, enforce DISA STIGs, manage virtualization (ESXi/vCenter), and mentor staff while holding TS clearance and DoD