Computer Security 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

We open closed systems. It's not just a slogan - it's our focus. We specialize in unraveling the complexities of IT systems to broaden understanding, enhance security, and ensure interoperability. We connect top talent with critical work, crafting robust partnerships and creating effective, real-world solutions. We are committed to moving quickly, embracing risks, and continuously challenging the status quo to achieve exceptional outcomes for our customers.

Render is looking for a Computer Security Systems Specialist to join our highly competent and motivated Naval Air Warfare Center (NAWC) team. This position is located aboard Marine Corps Base Hawaii (MCBH) Kaneohe Bay, Hawaiiand will serve as the NAWC’s on-site liaison for critical Information Technology (IT) networking, system administration, and communications initiatives. The role supports both ongoing operations and future mission requirements within a dynamic, fast paced, and highly rewarding program environment.

Primary responsibilities include:

• Design, configure, maintain, and troubleshoot IP networks using Cisco®, Fortinet, and Juniper hardware, inline network encryptors, firewalls, and other network devices (switches, routers, IDS/IPS, cryptographic equipment)
• Administer Windows domains, including OU management, Group Policy configuration and verification, WSUS patch cycles, and Active Directory maintenance
• Manage Linux servers, including patching, configuration management, and performance tuning
• Implement and maintain virtualization infrastructure (vCenter, ESXi, virtual distributed switches, virtual machines)
• Conduct vulnerability scanning with ACAS/Nessus, enforce DISA STIG compliance, and utilize automated tools such as Evaluate-STIG for security validation
• Implement, monitor, and maintain network and system security measures across multiple platforms
• Maintain detailed documentation for TDPs, wiring, cabling layouts, and configuration baselines
• Lead technology refresh projects, hardware swaps, and lifecycle upgrades
• Mentor and provide oversight to subordinate technical personnel

QUALIFICATIONS (REQUIRED)

• Minimum 5years relevant experience in combined network and
  system administration roles
• Strong knowledge of routing protocols and networking technologies: OSPF, RIP, VRF,
  VLAN, MPLS, IP multicast routing, IP QoS, IPSec
• Demonstrated expertise in both Windows and Linux administration, patch management,
  and enterprise integration
• Hands-on experience with enterprise-grade network hardware, virtualization platforms,
  and security compliance frameworks
• Proficiency in vulnerability scanning, DISA STIG compliance, and security hardening in
  accordance with DoD standards
• Proven ability to troubleshoot complex, multi-layer technical issues in mission-critical
  environments
• Strong documentation habits and adherence to configuration control best 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

ADDITIONAL QUALIFICATIONS (PREFERRED BUT NOT REQUIRED)

• Bachelor’s degree in an Engineering or IT-related field; 5years relevant experience
• Knowledge of Marine Corps Enterprise Network (MCEN) user and administrative processes

Render offers exciting opportunities for professional growth, leave benefits, participating in 401(k) with matching opportunities consistent with plan qualifications. We also offer health, vision and dental benefits on a cost-sharing basis. Annual bonus can be included in compensation based on company performance and policy. This position has an annual salary range of $80,000 to $100,000 based on annualized USD. The offered rate will be based on the selected candidate’s knowledge, skills, abilities, and/or experience and education and in consideration of internal pay equality.

Employment decisions are made without regard to race, color, religion, sex, national origin, age, disability, or protected veteran status, in accordance with applicable federal, state, and local laws.

Render prohibits retaliation and discrimination against employees or applicants who inquire about, discuss, or disclose their own or another individual’s compensation, as required by law.

Render participates in E-Verify to confirm employment eligibility under federal law.